Intelligent boar detection equipment based on image recognition and projection positioning

Abstract

The utility model discloses intelligent boar measurement equipment based on image recognition and projection positioning, and aims to solve the problems of low efficiency and low accuracy when the conventional boar measurement equipment is used for measuring various performances of a pig. The system comprises a weighing platform, a cage scale outer frame, an RFID antenna, a binocular depth camera, a B ultrasonic backfat instrument and projection equipment. The binocular depth camera and the projection equipment are located above the cage scale to shoot an overall image of the back of the pig and project an image containing a backfat point to be measured on the back of the pig, the ultrasonic backfat probe is held by hand to press a point indicated by the projection equipment to obtain a backfat ultrasonic image, and a backfat value and an eye muscle thickness value are read; data is transmitted to the cloud server through the controller, so that information management is facilitated; according to the invention, the ear tag number, the body weight, the body length, the body width and the body height can be obtained simultaneously, the measurement of the backfat value and the eye muscle thickness value of the boar can be assisted, errors caused by human factors can be reduced, the manual labor intensity is reduced, the measurement efficiency is high, and the accuracy of boar performance measurement is high.

Description

Technical Field

[0001] This application relates to the field of breeding pig testing technology, specifically to an intelligent breeding pig testing device based on image recognition and projection positioning. Background Technology

[0002] In recent years, with the continuous growth of residents' material needs, the scale of pig farms has also expanded rapidly. To promote the high-quality development of pig breeding in my country, the objective measurement and evaluation of pig performance has become particularly important. The measurement of various performance indicators of pigs is directly related to the scientific selection and improvement of breeding pigs, thereby affecting the improvement of pork quality.

[0003] Currently, breeding pig farms generally use cage scales for weighing, and the specific procedure is as follows:

[0004] 1. Herding into the cage: The staff herds the pigs into the cage and locks the cage door.

[0005] 2. Ear tag record: The ear tag number of the breeding pig is recorded manually.

[0006] 3. Weight measurement: The cage scale screen displays the weighing result (e.g., 120kg), and the staff manually record the pig's weight data.

[0007] 4. Body size measurement: Staff members manually measure the length, width and height of the pigs using a ruler and record the data manually.

[0008] 5. Backfat and eye muscle thickness measurement: After the staff locates the pig's ribs by hand, they use tools to pinpoint the backfat measurement point, mark it with a marker, and then use an ultrasound backfat analyzer to obtain the ultrasound image and backfat and eye muscle thickness values ​​at that point. This process requires professional personnel from the veterinary or breeding department.

[0009] 6. Complete the measurement: Open the cage door and drive the pig out of the cage, then drive the next pig into the cage, and repeat the above process.

[0010] This traditional measurement procedure has obvious drawbacks:

[0011] 1. Herding pigs into cages for weighing can cause them to have a strong stress response, leading to inaccurate measurement results.

[0012] 2. When manually measuring body size, the pigs move around, making it difficult to determine a consistent starting and ending point, resulting in a large measurement error.

[0013] 3. Manually locating the backfat measurement points is not only time-consuming and labor-intensive, but also highly dependent on the professional skills of the operators, resulting in low measurement efficiency and data consistency.

[0014] 4. Measurement results need to be recorded manually, which leads to errors and low efficiency.

[0015] Therefore, there is an urgent need for a device that is easy to operate and has high measurement accuracy to improve the efficiency and accuracy of performance testing of breeding pigs. Summary of the Invention

[0016] Therefore, this application provides an intelligent boar endocrine testing device based on image recognition and projection positioning to solve the problems of low efficiency and low accuracy of existing boar endocrine testing devices (such as cage scales) when measuring various performance characteristics of pigs.

[0017] To achieve the above objectives, this application provides the following technical solution:

[0018] A smart boar weighing device based on image recognition and projection positioning includes: a weighing platform, a cage weighing frame, an RFID antenna, a binocular depth camera, a B-ultrasound backfat analyzer, a projection device, and a controller;

[0019] The weighing platform is located inside the outer frame of the cage scale, the RFID antenna is located behind the outer frame of the cage scale, and the binocular depth camera and the projection device are located above the outer frame of the cage scale. The ultrasonic back fat probe of the B-ultrasound back fat measuring instrument is used to press on the point indicated by the projection device to obtain back fat ultrasonic images and read back fat values ​​and eye muscle thickness values.

[0020] The output terminals of the RFID antenna, B-ultrasound back fat analyzer, binocular depth camera, and projection device are respectively connected to multiple input terminals of the controller, which is also connected to a cloud server.

[0021] Optionally, the cage scale outer frame includes a bottom support frame, a front cage scale door frame, a rear cage scale door frame, and two side enclosure frames. The front cage scale door frame and the rear cage scale door frame are respectively equipped with a front movable door and a rear movable door. The bottom plate of the bottom support frame is connected to the front cage scale door frame, the rear cage scale door frame, and the two side enclosure frames. The bottom support frame is equipped with casters at the four corners. The length and width of the bottom support frame are approximately the same as the body length and width of the breeding pig being tested.

[0022] Optionally, a material trough is installed on the inner side of the rear movable door. The material trough has a quarter-spherical structure, with the opening facing upward and the rounded edge inclined downward.

[0023] Optionally, flaps are provided on the front and rear sides of the bottom support frame, and the two flaps are respectively connected to the two sides of the bottom support frame;

[0024] The bottom of the flap is also provided with reinforcing ribs.

[0025] Optionally, the weighing platform includes a rectangular weighing support frame and a rectangular anti-slip plate. The rectangular anti-slip plate is disposed above the rectangular weighing support frame. The rectangular weighing support frame is located inside the bottom support frame and is connected by four weighing sensors. Two weighing sensors are respectively installed on each side of the rectangular weighing support frame. The other end of the weighing sensors is connected to the bottom support frame, and the signal output terminal of the weighing sensors is connected to the input terminal of the controller.

[0026] Optionally, a device support plate is provided at the rear of the cage outer frame, and the RFID antenna is installed below the device support plate.

[0027] Optionally, the device support plate is provided with a coupling agent placement hole, an ultrasonic back probe placement hole and a water leakage hole, and a power supply compartment is installed at the upper center of the device support plate.

[0028] Optionally, the controller has a touch screen mounted on its front, and the controller data is uploaded to the cloud server via a wireless network, allowing users to view and manage the data through a user terminal;

[0029] The controller also has a built-in AI visual analysis model, which performs image recognition and analyzes and calculates the collected data.

[0030] Optionally, an equipment support rod is installed at the upper middle position of the rear cage frame. The equipment support rod is made of hollow square tubing and is divided into a vertical section, an inclined section, and a parallel section. A controller rotating bracket is installed on the inner side of the vertical section, and the controller is installed at the end of the controller rotating bracket. The inclined section is used to connect the vertical section and the parallel section. The binocular depth camera and projection device are installed at the end of the parallel section.

[0031] Optionally, the projection device is mounted on the end of the device support rod via a mounting bracket and is installed vertically, with the projection lamp of the projection device facing into the outer frame of the cage.

[0032] Compared with the prior art, this application has at least the following beneficial effects:

[0033] 1. Based on further analysis and research of existing technical problems, this application provides an intelligent weighing device for breeding pigs based on image recognition and projection positioning. The device includes a weighing platform and cage frame for weighing the breeding pigs, an RFID antenna for acquiring ear tag information, a binocular depth camera for acquiring back images of the pig's body length, width, and height, a B-mode backfat scanner for acquiring back ultrasound images of the pig's body length, width, and height, a projection device for assisting in the positioning of the pig's test points, and a controller for processing information from various sensors and uploading data. The binocular depth camera and projection device are positioned above the cage scale to capture the entire back of the pig. The device projects an image of the pig's back, showing the backfat measurement points. A handheld ultrasonic backfat probe is pressed against the point indicated by the projection device to acquire the backfat image and read the backfat value and eye muscle thickness. The data is then transmitted to a cloud server via a controller for easy information management. This application describes a cage scale for measuring various indicators of breeding pigs, which can identify backfat measurements. It has the advantages of simple measurement operation and ease of use. It can simultaneously acquire ear tag number, weight, body length, body width, body height, and auxiliary measurements of backfat and eye muscle thickness. It can reduce errors caused by human factors, lower labor intensity, and has high measurement efficiency and accuracy in measuring breeding pig performance.

[0034] 2. The inner side of the exit door of this application is equipped with a feed trough. By putting food into the feed trough, the breeding pigs can eat through the feed trough, which reduces their agitation and stabilizes their measurement state, thereby ensuring accurate measurement of the breeding pigs in the cage over a long period of time.

[0035] 3. The equipment support plate of this application is provided with drainage holes to prevent water accumulation in the power supply compartment during cleaning and disinfection;

[0036] 4. The controller of this application has heat dissipation fins on the back to assist in heat dissipation, and a touch screen is installed on the front of the controller for inputting parameters, controlling equipment, and managing measurement information; the controller data will be uploaded to the cloud server via wireless network, and the user terminal can view and manage the data. Attached Figure Description

[0037] To more intuitively illustrate the prior art and this application, exemplary drawings are provided below. It should be understood that the specific shapes and structures shown in the drawings should not generally be regarded as limiting conditions for implementing this application; for example, based on the technical concept disclosed in this application and the exemplary drawings, those skilled in the art are able to easily make conventional adjustments or further optimizations to the addition / reduction / classification, specific shapes, positional relationships, connection methods, size ratios, etc. of certain units (components).

[0038] Figure 1 A schematic diagram of the structure of an intelligent boar gestation detection device based on image recognition and projection positioning provided in one embodiment of this application;

[0039] Figure 2 for Figure 1 The side view shown Figure 1 ;

[0040] Figure 3 for Figure 1 The side view shown Figure 2 ;

[0041] Figure 4 for Figure 3 The sectional view shown;

[0042] Figure 5 for Figure 1 The front view shown;

[0043] Figure 6 for Figure 1 The bottom diagram shown;

[0044] Figure 7 for Figure 1 A schematic diagram of the structure with the central movable door in the open position;

[0045] Figure 8 A circuit block diagram of an intelligent boar gestation detection device based on image recognition and projection positioning provided in one embodiment of this application;

[0046] Figure 9 A flowchart illustrating the use of an intelligent boar gestation testing device based on image recognition and projection positioning, provided as an embodiment of this application.

[0047] Explanation of reference numerals in the attached figures:

[0048] 1. Weighing platform; 101. Rectangular weighing support frame; 102. Rectangular anti-slip plate; 103. First weighing sensor; 104. Second weighing sensor; 105. Third weighing sensor; 106. Fourth weighing sensor; 2. Cage weighing outer frame; 21. Bottom support frame; 22. Front cage weighing door frame; 23. Rear cage weighing door frame; 24. Enclosure frame; 25. Casters; 26. Front flap; 261. First fixing point; 262. First perforation; 263. Notch; 27. Rear flap; 271. Second fixing point; 272. Second perforation; 28. Reinforcing ribs; 3. RFID antenna; 4. Binocular depth camera; 5. Ultrasonic backfat probe; 51. Wiring harness hanging rod; 6. Projection equipment; 7. Controller; 71. Controller rotating bracket;

[0049] 8. Entrance door; 9. Exit door; 91. Material trough; 10. First door lock latch; 11. Second door lock latch; 12. Equipment support plate; 121. First coupling agent placement hole; 122. First ultrasonic backing probe placement hole; 123. Second coupling agent placement hole; 124. Second ultrasonic backing probe placement hole; 125. First coupling agent bracket; 126. First ultrasonic backing probe bracket; 127. Second coupling agent bracket; 128. Second ultrasonic backing probe bracket; 129. Drain hole; 13. Equipment support rod; 14. Power supply compartment; 15. Touch screen; 16. Hook lock stop bar. Detailed Implementation

[0050] The present application will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0051] In the description of this application: unless otherwise stated, "a plurality of" means two or more. The terms "first," "second," "third," etc., in this application are intended to distinguish the objects referred to and do not have any special meaning in terms of technical connotation (e.g., they should not be construed as an emphasis on importance or order). Expressions such as "comprising," "including," and "having" also mean "not limited to" (certain units, components, materials, steps, etc.).

[0052] The terms used in this application, such as "upper," "lower," "left," "right," and "middle," are generally used to indicate the general relative positional relationship for the purpose of intuitive understanding by referring to the accompanying drawings, and are not absolute limitations on the positional relationship in the actual product.

[0053] One embodiment of this application discloses an intelligent bovine endocrine testing device based on image recognition and projection positioning, such as... Figures 1-9 As shown, it includes: a weighing platform 1 for weighing breeding pigs, an outer frame of the cage scale 2, an RFID antenna 3 for acquiring ear tag information of breeding pigs, a binocular depth camera 4 for acquiring back images of the body length, body width, and body height of breeding pigs, a B-mode backfat analyzer for acquiring back ultrasound images of the body length, body width, and body height of breeding pigs, a projection device 6 (e.g., a photographic light) for assisting in the positioning of the test points of breeding pigs, and a controller 7 for processing information from various sensors and uploading data;

[0054] The weighing platform 1 is located inside the outer frame 2 of the cage scale, the RFID antenna 3 is located behind the outer frame 2 of the cage scale, and the binocular depth camera 4 and the projection device 6 are located above the outer frame 2 of the cage scale. The ultrasonic back fat probe 5 of the B-ultrasound back fat instrument is used to press on the point indicated by the projection device 6 to obtain back fat images and read back fat values ​​and eye muscle thickness values.

[0055] The outputs of RFID antenna 3, B-ultrasound backfat analyzer, binocular depth camera 4, and projection device 6 are respectively connected to multiple inputs of controller 7. The output of controller 7 is connected to the input of cloud server. The binocular depth camera 4 and projection device 6 are positioned above the cage scale to capture an overall image of the pig's back and project an image containing the backfat measurement points onto the pig's back. The handheld ultrasonic backfat probe 5 is pressed on the measurement point indicated by projection device 6 to obtain the backfat image and read the backfat value and eye muscle thickness value. The controller 7 transmits the data to the cloud server (cloud server) for information management.

[0056] Preferably, the outer frame 2 of the cage is composed of a four-sided iron pipe frame and a bottom support frame 21, specifically including the bottom support frame 21, a front cage door frame 22, a rear cage door frame 23, and side enclosure frames 24. A front movable door (also called the cage front door or entrance movable door 8) and a rear movable door (also called the cage rear door or exit movable door 9) are respectively installed at the front cage door frame 22 (entrance cage door frame) and the rear cage door frame 23 (exit cage door frame). The front and rear movable doors are respectively hinged to the front cage door frame 22 and the rear cage door frame 23. Viewed from the rear of the cage, the entrance movable door 8 is hinged to the left side of the outer frame 2 of the cage. The first door lock... The latch 10 is installed on the right side of the entrance cage door frame, the latch stop bar 16 is installed on the right side of the cage entrance movable door 8, the exit movable door 9 is hinged and fixed on the right side of the cage outer frame 2, the second door lock latch 11 is installed on the left side of the exit cage door frame, the latch stop bar 16 is installed on the left side of the cage entrance movable door 8, and the latch lock is a purchased existing pig pen latch product; the bottom plate of the bottom support frame 21 is connected to the front cage door frame 22, the rear cage door frame 23, and the side enclosure frames 24 respectively, and four or more universal wheels 25 with braking function are installed at the four corners of the bottom support frame 21. The length and width of the bottom support frame 21 are equivalent to the body length and width of the tested breeding pig.

[0057] Preferably, the weighing platform 1 includes a rectangular weighing support frame 101, a rectangular anti-slip plate 102, and weighing sensors. The rectangular anti-slip plate 102 is installed above the rectangular weighing support frame 101. The rectangular weighing support frame 101 is located inside the bottom support frame 21 and is connected by four weighing sensors. The rectangular weighing support frame 101 needs to be smaller than the bottom support frame 21 of the cage scale. Two weighing sensors are installed on each side of the rectangular weighing support frame 101, and are respectively designated as the first weighing sensor 103, the second weighing sensor 104, the third weighing sensor 105, and the fourth weighing sensor 106. The other end of the weighing sensors is connected to the outer frame 2 of the cage scale (specifically the bottom support frame 21) with screws, and the signal output terminal of the weighing sensor is connected to the input terminal of the controller 7. The weighing platform 1 and the outer frame 2 of the cage scale do not contact each other, but are connected together by the above-mentioned four weighing sensors. In addition, the weighing sensors are existing products, the weighing data concentrator is integrated into the controller 7, and the braked caster 25 is also an existing product.

[0058] More preferably, a feed trough 91 is installed on the inner side of the rear movable door (exit movable door 9). The feed trough 91 has a quarter-spherical structure with the opening facing upward and the rounded edge tilted downward to reduce the depth of the feed trough 91. By putting food into the feed trough 91, the breeding pigs eat through the feed trough 91, reducing their agitation and stabilizing their measurement state, thereby ensuring accurate measurement of the breeding pigs in the cage for a long time.

[0059] More preferably, the bottom support frame 21 is provided with a flap, specifically a front flap 26 and a rear flap 27 are provided on the front and rear sides of the bottom support frame 21, respectively. When the flap is flipped down, it can overlap the ground to form a gentle slope. At this time, the breeding pigs can easily enter the testing channel through the gentle slope. When the device is not in use, the exit door 9 can be closed and locked, and the flap can be flipped up and fixed to the outside of the door, which facilitates turnover management and saves space.

[0060] More preferably, the front flap 26 and the rear flap 27 are respectively connected to both sides of the bottom support frame 21 by hinges; the bottom of the flap is also provided with reinforcing ribs 28 to increase the support force; a flap fixing point (including a first fixing point 261 set on the front cage door frame 22 and a second fixing point 271 set on the rear cage door frame 23) is provided on the side of the door frame near the hinge of the cage door; a first through hole 262 and a second through hole 272 are respectively provided on one corner of the front flap 26 and the rear flap 27 for threading ropes; when the flap flips up, it fits onto the flap fixing point on one side of the door frame to complete the fixing; when the flap flips up, it will interfere with the door lock latch, so a notch 263 is opened on one side of the flap.

[0061] Preferably, an equipment support plate 12 is provided at the rear of the cage outer frame 2. The RFID antenna 3 is installed below the equipment support plate 12 via a rotating bracket. The RFID antenna 3 faces forward and downward, and towards the direction of the breeding pig's entry. The RFID antenna 3 is used to read ear tag information and transmit the read tag information to the controller 7. The controller 7 processes this information. The rotating bracket can adjust the pitch angle of the RFID antenna 3. The pitch angle (forward and backward rotation) of the RFID antenna 3 can be finely adjusted according to the different ear tag positions of the breeding pigs at different ages to better align with the direction of the breeding pig's ear tag.

[0062] More preferably, the equipment support plate 12 is installed above the two side enclosure frames 24 and near the rear of the cage. The equipment support plate 12 is symmetrically designed so that the user can easily access the coupling agent and the ultrasonic back probe 5 from either side of the cage. The two equipment support plates 12 are respectively provided with a first coupling agent placement hole 121 and a first ultrasonic back probe placement hole 122, a second coupling agent placement hole 123 and a second ultrasonic back probe placement hole 124, and respectively installed with a first coupling agent bracket 125 and a first ultrasonic back probe bracket 126, a second coupling agent bracket 127 and a second ultrasonic back probe bracket 128 below the placement holes.

[0063] Preferably, a power compartment 14 is installed at the upper center of the equipment support plate 12. An opening is provided on one side of the power compartment 14 to expose the battery pack output port and power switch. The opening of the power compartment 14 faces rearward, and a boss is provided below the opening to prevent the battery pack from vibrating and slipping out of the power compartment 14 during the movement of the cage.

[0064] The optional power compartment 14 can be equipped with an AC220V to DC24V switching power supply to connect to the 220V AC power supply at the equipment site; the battery pack can be removed and charged after the measurement is completed, and there are two optional power supply methods: battery pack power supply and direct AC power supply.

[0065] More preferably, the equipment support plate 12 is also provided with a water leakage hole 129 to prevent water from accumulating in the power supply compartment 14 during cleaning and disinfection.

[0066] Preferably, an equipment support rod 13 is installed at the upper middle position of the rear cage door frame 23 (exit cage door frame), and the equipment support rod 13 is opposite to the entry direction of the breeding pig. The equipment support rod 13 is made of hollow square tube and is divided into a vertical section, an inclined section and a parallel section. A controller rotating bracket 71 is installed on the inner side of the vertical section, and the controller 7 is installed at the end of the rotating bracket. An ultrasonic backfat probe wire harness hanging rod 51 is symmetrically installed at the middle position of the outer side of the vertical section to prevent the pig from biting the probe wire harness during use and to hang the redundant wire harness of the ultrasonic backfat probe 5. The inclined section is used to connect the vertical section and the parallel section. A binocular depth camera 4 and a projection device 6 are installed at the end of the parallel section. The end of the parallel section has a certain distance of concave design for installing the binocular depth camera 4. The binocular depth camera 4 can move back and forth a certain distance along the direction of the pig's body and has a certain back and forth adjustment capability. After each adjustment, it needs to be corrected together with the projection device 6 to calibrate the positioning point.

[0067] More preferably, the binocular depth camera 4 is installed at the concave position below the end of the parallel section of the equipment support rod 13, with the lens pointing vertically downwards towards the inside of the cage. It can capture a complete and clear color image and depth image of the back of the breeding pig. The image containing the depth value can be calculated by the controller 7 to obtain the body length, body width, body height, and the position of the backfat point to be measured of the breeding pig. The binocular depth camera 4 can obtain the distance from each point in the captured image or photo to the camera and determine the coordinates of each point in the 2D color image. In this way, the three-dimensional spatial coordinates of each point in the captured image can be obtained, and the information obtained can be reconstructed to learn and train the body shape of the breeding pig. The technology of using the binocular depth camera 4 to capture and analyze the body shape data using the image and data processing module is existing technology and will not be described in detail here. The binocular depth camera 4 is an Intel RealSense D435, which is connected to the controller 7 via USB.

[0068] Preferably, the projection device 6 is mounted on the end of the equipment support rod 13 via a mounting bracket and is installed vertically. The projection lamp faces the inside of the cage outer frame 2 and projects the image containing the backfat points to be tested, processed by the controller 7, onto the back of the breeding pig to indicate the position to be tested to the staff. The projection device 6 is an existing product that is connected to the controller 7 via an HDMI interface.

[0069] Preferably, such as Figure 2 As shown, it also includes a controller rotating bracket 71. The controller 7 is located at the end of the controller rotating bracket 71. The controller rotating bracket 71 is installed on the inner side of the vertical section of the equipment support rod 13. The controller rotating bracket 71 has two adjustment shafts. The controller 7 can be adjusted up and down and left and right. The adjustment shafts have a damping effect. After adjustment, the current position can be automatically locked. The operator can complete the measurement on either side of the cage scale.

[0070] Preferably, the controller 7 has heat dissipation fins on its back to assist in heat dissipation. A touch screen 15 is installed on the front of the controller 7 for inputting parameters, controlling the equipment, and managing measurement information. There are multiple indicator lights below the touch screen 15 to indicate the power status, network status, and equipment operating status. The controller 7 has network connectivity and automatically connects to the network after powering on, or can be manually connected to the network (4G or WIFI) via the touch screen 15. The controller 7 receives the signal from the RFID antenna 3. After obtaining the ear tag of the breeding pig, the controller 7 activates the binocular depth camera 4 to capture color and depth images of the breeding pig's back. The images are used by the controller 7 to calculate the body length, body width, body height, and backfat points to be measured. The image containing the backfat points to be measured is projected onto the back of the breeding pig through the projection device 6. The indicator image will automatically follow the pig's movement in real time. The operator operates the ultrasonic backfat probe 5 according to the measurement points indicated by the projected image. The controller 7 acquires the backfat image and calculates the backfat value and eye muscle thickness value.

[0071] Preferably, the mainboard of the ultrasound backfat measuring instrument is integrated inside the controller 7, and the ultrasound backfat probe 5 of the ultrasound backfat measuring instrument is connected to the mainboard of the ultrasound backfat measuring instrument via a customized data cable. When using the backfat measurement module, a coupling agent is applied to the point to be measured, the ultrasound backfat probe 5 contacts the pig skin at the point to be measured, the air between the pig skin and the ultrasound backfat probe 5 is squeezed out by pressing and shaking, and the capture button is pressed to acquire the backfat image. After the measurement is completed, the data is synchronized to the cloud server through the touch screen 15. The device can also be used offline, and the data can be exported through the USB interface on the controller 7. The data can be viewed and managed on the user terminal (user end) PC.

[0072] The controller 7 also has a built-in AI visual analysis model, which performs image recognition and data analysis and calculation on the collected data.

[0073] In addition, it also includes a power supply module to provide operating voltage for each electrical device.

[0074] The operating principle of the above embodiment is as follows: Push the device to the location of use, press the brakes on the four universal wheels 25, lower the flip panel, and have the staff stand outside the guardrail on one side, close to the controller 7. Turn on the power, initialize all devices, and calibrate the binocular depth camera 4 and the projection device 6 (calibration adopts a two-point calibration method or a multi-point calibration method. The two-point calibration method is that the projection device 6 projects two points, and the camera captures the projected image. The mapping relationship between the logical plane and the physical plane is established through the position information of these two points. The calibration effect is judged by whether the projected point and the captured point coincide). Then, open the entrance door 8 to allow the breeding pig to enter the cage scale outer frame 2, close the entrance door 8, obtain the ear tag number, and perform weighing and other measurement work. After completion, open the exit door 9 to drive away the breeding pig and complete one measurement of the breeding pig.

[0075] See Figure 9 The specific usage process is as follows:

[0076] Step 1: Push this equipment to the location of use and press the brake on the caster wheel 25 to prevent movement;

[0077] Step 2: Loosen the fixing ropes of the flap (also known as the buffer plate), lower the front and rear flaps of the cage scale; turn on the power switch, start the system, and add feed into the feed trough 91.

[0078] Step 3: Connect controller 7 to the wireless network hotspot;

[0079] Step 4: Open the front access door (entrance access door 8), drive the pig into the weighing platform 1 of the cage scale, and close the front access door;

[0080] Step 5: RFID antenna 3 reads the ear tag number, binocular depth camera 4 acquires the depth image of the pig's back in real time, controller 7 calculates the pig's weight, body length, body width and body height data and fills them into the database, and outputs an image containing the location of the back fat point P2 to be measured in real time.

[0081] Step 6: Projector 6 projects the image of the back fat at point P2 to be tested in real time;

[0082] Step 7: Apply coupling agent to the point to be measured, and use the ultrasonic back fat probe 5 to measure the back fat according to the projection image indication;

[0083] Step 8: Confirm that controller 7 has acquired the back fat image and calculated the back fat value and eye muscle thickness value, then write them into the database;

[0084] Step 9: Open the rear access door (exit access door 9), release the pigs that have been measured, and close the rear access door;

[0085] Step 10: If the measurement is not completed, restart Step 4 until the measurement is completed; if the measurement is completed, proceed to Step 11.

[0086] Step 11: Synchronize server data and turn off the power;

[0087] Step 12: Erect the front and rear buffer pads and secure them.

[0088] Step 13: Release the brake on the swivel wheel 25 and push the cage away from the site.

[0089] This application provides an intelligent boar weighing and testing device based on image recognition and projection positioning. This device measures backfat and body weight in pigs using image recognition and projection positioning. It can simultaneously acquire the pig's ear tag number, weight, body length, body width, body height, and auxiliary measurements of backfat and eye muscle thickness. A manual operator uses a handheld ultrasonic backfat probe to obtain backfat images, and a controller calculates the backfat and eye muscle thickness values. This improves the accuracy of boar data measurement and simplifies the measurement of boar performance data. This intelligent boar weighing and testing device achieves a comprehensive upgrade of the weighing and testing process through advanced technology, effectively solving the shortcomings of traditional processes. It provides an efficient, accurate, and intelligent solution for boar performance testing, contributing to the improvement of boar breeding and pork quality in my country.

[0090] 1. Accurately measure body size data

[0091] This device uses a binocular depth camera to capture video streams of pigs and combines AI visual tracking technology to measure the pigs' body length, width, and height in real time.

[0092] Even if the pigs move around inside the cage, the system can maintain the accuracy and consistency of the measurements, significantly shortening the measurement time and avoiding errors caused by the pigs moving around during manual measurements.

[0093] 2. Automatically mark back fat measurement points

[0094] The system uses a binocular depth camera to capture video streams of pigs and utilizes an AI visual analysis model to quickly calculate the location of the backfat test points.

[0095] The area to be tested is then displayed on the pig's back using a projection device. The operator only needs to place the ultrasonic backfat probe in the indicated area to complete the measurement.

[0096] The ultrasound images acquired from the back fat test points can also be used to measure the thickness of the eye muscles.

[0097] This process uses AI technology to replace the manual search for backfat testing points by professionals, reducing reliance on professional skills. Ordinary breeders can complete the measurement without the need for external professionals.

[0098] 3. AI-automated measurement of back fat and eye muscle thickness.

[0099] The system uses the AI ​​visual analysis model built into the controller to automatically analyze the collected ultrasound images of the backfat test points and quickly measure the backfat value and eye muscle thickness.

[0100] In traditional procedures, this measurement is typically performed manually by a professional veterinarian on an ultrasound image, or relies on the automated measurement function within the ultrasound backfat measuring device. This application utilizes advanced AI technology to complete the measurement without human intervention, significantly reducing operation time and improving work efficiency.

[0101] 4. High-efficiency data transmission and management

[0102] The system supports the automatic recording and transmission of ear tag reading, weight data, ultrasound images, backfat value, eye muscle thickness value, and body size data.

[0103] Through IoT and cloud computing technologies, this data will be automatically saved to the system, completely avoiding errors from manual recording and ensuring data security and convenient transmission.

[0104] The technical features of the above embodiments can be combined in any way (as long as there is no contradiction in the combination of these technical features). For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described; these embodiments not explicitly written should also be considered to be within the scope of this specification.

Claims

1. A smart boar gestation testing device based on image recognition and projection positioning, characterized in that, include: Weighing platform, cage scale outer frame, RFID antenna, binocular depth camera, B-ultrasound backfat analyzer, projection equipment and controller; The weighing platform is located inside the outer frame of the cage scale, the RFID antenna is located behind the outer frame of the cage scale, and the binocular depth camera and the projection device are located above the outer frame of the cage scale. The ultrasound back fat probe of the B-ultrasound back fat measuring instrument is used to press on the point indicated by the projection device to obtain back fat ultrasound images and read back fat values ​​and eye muscle thickness. The output terminals of the RFID antenna, B-ultrasound back fat analyzer, binocular depth camera, and projection device are respectively connected to multiple input terminals of the controller, which is also connected to a cloud server.

2. The intelligent boar gestation testing device based on image recognition and projection positioning according to claim 1, characterized in that, The cage weighing outer frame includes a bottom support frame, a front cage weighing door frame, a rear cage weighing door frame, and two side enclosure frames. The front and rear cage weighing door frames are respectively equipped with a front movable door and a rear movable door. The bottom plate of the bottom support frame is connected to the front cage weighing door frame, the rear cage weighing door frame, and the two side enclosure frames. The bottom support frame is equipped with casters at the four corners. The length and width of the bottom support frame are approximately the same as the body length and width of the breeding pig being tested.

3. The intelligent boar gestation testing device based on image recognition and projection positioning according to claim 2, characterized in that, A material trough is installed on the inner side of the rear movable door. The material trough has a quarter-spherical structure with the opening facing upward and the rounded edge tilting downward.

4. The intelligent boar gestation testing device based on image recognition and projection positioning according to claim 2 or 3, characterized in that, The bottom support frame is provided with flaps on the front and rear sides, and the two flaps are respectively connected to the two sides of the bottom support frame. The bottom of the flap is also provided with reinforcing ribs.

5. The intelligent boar gestation testing device based on image recognition and projection positioning according to claim 2, characterized in that, The weighing platform includes a rectangular weighing support frame and a rectangular anti-slip plate. The rectangular anti-slip plate is disposed above the rectangular weighing support frame. The rectangular weighing support frame is located inside the bottom support frame and is connected by four weighing sensors. Two weighing sensors are respectively installed on each side of the rectangular weighing support frame. The other end of the weighing sensors is connected to the bottom support frame, and the signal output terminal of the weighing sensors is connected to the input terminal of the controller.

6. The intelligent boar gestation testing device based on image recognition and projection positioning according to claim 1, characterized in that, A device support plate is provided at the rear of the outer frame of the cage, and the RFID antenna is installed below the device support plate.

7. The intelligent boar gestation testing device based on image recognition and projection positioning according to claim 6, characterized in that, The equipment support plate has a coupling agent placement hole, an ultrasonic back probe placement hole, and a water leakage hole, and a power supply compartment is installed at the upper center of the equipment support plate.

8. The intelligent boar gestation testing device based on image recognition and projection positioning according to claim 6, characterized in that, The controller has a touch screen mounted on its front, and the controller data is uploaded to the cloud server via a wireless network. The user terminal can view and manage the data. The controller also has a built-in AI visual analysis model, which performs image recognition and analyzes and calculates the collected data.

9. The intelligent boar gestation testing device based on image recognition and projection positioning according to claim 2, characterized in that, An equipment support rod is installed at the upper middle position of the rear cage frame. The equipment support rod is made of hollow square tube and is divided into a vertical section, an inclined section and a parallel section. A controller rotating bracket is installed on the inner side of the vertical section. The controller is installed at the end of the controller rotating bracket. The inclined section is used to connect the vertical section and the parallel section. The binocular depth camera and projection device are installed at the end of the parallel section.

10. The intelligent boar gestation testing device based on image recognition and projection positioning according to claim 9, characterized in that, The projection device is mounted on the end of the device support rod via a mounting bracket and is installed vertically, with the projection lamp of the projection device facing into the outer frame of the cage.

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