47 results about "Photographic camera" patented technology

The invention provides a three-dimensional modeling processing method based on unmanned aerial vehicle oblique photography. The method is applied to the technical field of three-dimensional modeling, and comprises the following steps: obtaining a serialized image set containing geographical coordinate information according to original image data collected by an oblique photography camera carried by a multi-rotor unmanned aerial vehicle; according to time-space synchronization parameters of the serialized image set, determining a multi-view image matching relation matrix with an overlapping degree quantitative index; determining mixed three-dimensional point cloud data fusing sparse point cloud and dense point cloud according to geometric constraint conditions of the multi-view image matching relation matrix; determining an initial three-dimensional grid model with multi-level details according to the topological connection relationship of the mixed three-dimensional point cloud data; and determining an optimized three-dimensional model based on adaptive texture mapping according to the surface curvature distribution characteristics of the initial three-dimensional mesh model. In this way, the efficiency of three-dimensional modeling can be improved.

The invention is suitable for the technical field of geological monitoring, and provides a dangerous rock crack feature extraction method and system based on a live-action three-dimensional model, and the method comprises the following steps: carrying out the collection based on an oblique photography camera to obtain multi-view image data, and carrying out the collection based on a laser radar to obtain point cloud data; determining an oblique photography model based on the multi-view image data, determining a laser radar point cloud model based on the point cloud data, and obtaining a three-dimensional model of the dangerous rock area; performing crack identification on the three-dimensional model through an edge detection algorithm, and extracting crack types and crack geometric features through a deep learning algorithm; and geological background data are called, and a risk assessment index system is established according to the geological background data, the crack type and the crack geometric characteristics. According to the method, the high-precision live-action three-dimensional model is constructed, the limitation of a single data source on precision, details and coverage range is overcome through multi-source data fusion, and the integrity and accuracy of the three-dimensional model are remarkably improved.

The utility model relates to a light-emitting diode (LED) light source which comprises a light source plate and a plurality of light-emitting units, and the light-emitting units comprise a first light source unit and a second light source unit. The first light source unit comprises light sources of three different colors, and the second light source unit comprises light sources of three different colors. Each light source color of the second light source unit is different from each light source color of the first light source unit. The light source plate comprises a center light-emitting area and a plurality of annular light-emitting areas, and first light source units and second light source units are arranged in the center light-emitting area in a rectangular array mode. The annular light-emitting areas are concentrically arranged on the outer side of the center light-emitting area in parallel. First light source units and second light source units are alternately arranged in each annular light-emitting area, and the first light source units and the second light source units are distributed in an annular array mode with the center of the light source plate as the center. The LED light source is better in light mixing effect, higher in light emitting uniformity and capable of meeting the lighting requirement of the photography and video recording lamp.

The utility model relates to an LED light source module and an LED light source. The LED light source module comprises a light source plate and a plurality of light-emitting units. The light source plate comprises a first light-emitting area and a second light-emitting area, and the first light-emitting area and the second light-emitting area are symmetrically arranged with respect to a symmetry axis extending in the longitudinal direction and passing through the center of the light source plate. The light-emitting units are arranged on the light source plate in an array mode, and the light-emitting units are distributed in the first light-emitting area and the second light-emitting area in a one-to-one symmetry mode. Each light-emitting unit comprises a red light source device, a green light source device and a blue light source device which are distributed in a preset mode. The distribution positions and orientations of the light source devices in the light emitting units in the first light emitting area are the same, and the distribution positions and orientations of the light source devices in the light emitting units in the second light emitting area are the same. The distribution orientation of the light source devices in the light emitting units in the first light emitting area is opposite to that of the light source devices in the light emitting units in the second light emitting area. The light emitting uniformity of the LED light source module is high, and the lighting requirement of the photography and video recording lamp can be met.

This device comprises: an X-ray tube 11; an X-ray detector 9; an X-ray image generation unit 51; and an optical image capturing unit 29 arranged in an inspection room R1. The optical image capturing unit 29 includes: a housing 33; an opening 35 arranged on the housing 33; an optical lens 37 of a photographic camera 36 arranged inside the housing 33 so as to face the opening 35; and a shielding member 41 configured to be movable between a shielding position P1 and a retreat position P2 inside the housing 33 and capable of shielding the optical lens 37. The shielding member 41 is configured to shield the optical lens 37 so that the optical lens 37 cannot be visually recognized from the outside of the opening 35 in a state where the shielding member 41 is moved to the shielding position P1, and to enable the photographic camera 36 to capture an optical image through the opening 35 in a state where the shielding member 41 is moved to the retreat position P2.

The utility model discloses a lifting device of a camera pavilion, and belongs to the technical field of camera equipment, a shooting assembly comprises a bottom shell, a shooting camera is installed on the bottom shell, the bottom shell is fixed on a sliding block, a rotating shaft is rotatably installed on the side, close to the sliding block, of the bottom shell, and a locking gear is fixedly arranged on the rotating shaft; a rack is fixedly arranged on the side edge of the guide rail and meshed with the locking gear. The rotating shaft is provided with a locking assembly used for locking rotation of the rotating shaft. The rotating shaft is locked through the locking assembly, so that the locking gear is fixed and does not rotate, the shooting assembly is fixed to the optimal shooting height through cooperation of the locking gear and the rack, and it is prevented that during shooting, a camera moves downwards, and the shooting effect is affected.

The invention relates to the technical field of construction quality detection, in particular to an electromechanical pipeline construction quality inspection system and method based on an unmanned aerial vehicle. Comprehensive inspection of pipelines and supports in a construction site is achieved through autonomous flight of an unmanned aerial vehicle. The method comprises the steps that route planning is conducted based on construction site structure data; the unmanned aerial vehicle flies according to a preset route, and the oblique photography camera collects multi-angle image data; denoising is carried out through a non-local mean value algorithm, the image contrast is enhanced through histogram equalization, and in combination with weighted fusion of local and global features, feature point matching and splicing of multi-view images are realized; analyzing the spliced image by using a DeepLabV3 + semantic segmentation algorithm, extracting geometric characteristics of the pipeline and the bracket, and detecting potential hazards based on an inclination angle calculation formula of the suspended pipeline and the bracket; a detection result is fed back to related personnel and is displayed in the monitoring system in real time; according to the invention, the efficiency and precision of construction site potential safety hazard detection are comprehensively improved.

Provided is a parking management system that can manage so that parking of a pre-registered vehicle is permitted and that can improve user convenience. A parking management system (1A) having a management device, the management device manages so that a pre-registered registered vehicle is parked in a parking space of a parking lot, and is operated by connecting the management device and a portable terminal (100) operated by a passenger of a pre-entry vehicle to be parked in the parking space via a communication line. The management device comprises: a vehicle camera (40) for photographing the pre-entry vehicle; a pre-entry vehicle specific information acquisition unit (72) for acquiring specific information of the pre-entry vehicle based on image data based on the pre-entry vehicle photographed by the vehicle camera (40); a registered vehicle determination unit (51) for checking the acquired specific information with a database recording registered specific information related to the registered vehicle to determine whether the pre-entry vehicle is a registered vehicle; and a sending unit (54) for treating the pre-entry vehicle as a permitted entry vehicle and sending a permission entry notification for permitting entry into the parking space to the portable terminal (100) when the registered vehicle determination unit (51) determines that the pre-entry vehicle is a registered vehicle.

The utility model relates to an LED light source which comprises a substrate, the substrate comprises a central light-emitting area and a plurality of annular light-emitting areas, the central light-emitting area is arranged in the central area of the substrate, light-emitting light sources with six different colors are arranged in the central light-emitting area, and the number of the light-emitting light sources with each color is more than one. The multiple annular light-emitting areas are arranged on the outer side of the center light-emitting area in parallel, and the center of each annular light-emitting area coincides with the center of the substrate. More than three kinds of light-emitting light sources with different colors are arranged in each annular light-emitting area, and the light-emitting light sources in each annular light-emitting area are distributed in an annular array. The light-emitting light sources of the same color in each annular light-emitting area are separated by the light-emitting light sources of other colors, and the light-emitting light sources of the same color in any two adjacent annular light-emitting areas are not adjacent. And light-emitting light sources with six different colors are arranged in the annular light-emitting area on the outermost side. The LED light source is better in light mixing effect, higher in light emitting uniformity and capable of meeting the lighting requirement of the photography and video recording lamp.

This utility model relates to the field of blood type card centrifuges, specifically a blood type card centrifuge with a photographic function. It includes a centrifuge body with a centrifuge chamber inside. A cover is rotatably connected to one side of the top of the centrifuge body. A polygonal turntable is installed inside the centrifuge chamber, and several blood type card adapters are connected to the turntable. An inner photographic mechanism is installed on the bottom surface of the cover, and several outer photographic cameras are installed on the sidewall of the centrifuge chamber. An illumination component is also installed inside the centrifuge chamber. By using polygonal mounting columns that match the shape of the turntable, the inner photographic cameras, blood type card detection sensors, and illumination component are integrated. Combined with the outer photographic cameras on the sidewall of the centrifuge chamber, automatic simultaneous photographing of both sides of the blood type card after centrifugation is achieved. The polygonal turntable structure and the layout of the multiple blood type card adapters provide the necessary space for the photographic function, enabling electronic storage and traceability of blood type card interpretation results, improving detection efficiency and data reliability.

The invention relates to the field of unmanned aerial vehicles, in particular to a photography unmanned aerial vehicle with a water surface sliding function, which comprises an unmanned aerial vehicle body and a photography camera connected to the lower end of the unmanned aerial vehicle body, racks are obliquely and fixedly mounted on two sides of the unmanned aerial vehicle body, and a slow descending part is mounted in the middle of the upper end of the unmanned aerial vehicle body. The unmanned aerial vehicle comprises an unmanned aerial vehicle body, the two sides of the unmanned aerial vehicle body are each provided with a turnover frame, the turnover frames are horizontally arranged, the lower end of the rack is rotationally connected with the turnover frames, a plurality of floating barrels are installed at the upper ends of the turnover frames in a linear array mode, the two sides of the camera are each provided with a housing, and the two housings are symmetrically arranged. The cover shell is slidably connected with the middle of the rack, and a pushing piece is installed on the rear portion of the unmanned aerial vehicle body. The service life of the photography unmanned aerial vehicle is prolonged, the waterproof performance of the photography camera is improved, and the phenomenon that water splashes to the unmanned aerial vehicle due to the fact that the impact force is too large during descending, and water enters the unmanned aerial vehicle is avoided.

The utility model discloses an oblique photography camera angle fine adjustment mechanism for unmanned aerial vehicle aerial survey, including the mounting panel, the bottom end of mounting panel is rotatively connected with transmission shaft, still include setting in the adjusting assembly and drive assembly of mounting panel below, the adjusting assembly includes the rotary plate no.

Disclosed in the present invention is an optical quasi-three-dimensional space converter, which is capable of converting a three-dimensional space into a large number of position-fixed two-dimensional real images having different object-image distance-related parameters. The optical quasi-three-dimensional space converter comprises a variable-focus telephoto lens, a short-focus micro-lens array and an object-image distance-related parameter adjuster; one of two lenses is used for receiving light from an object side to form an intermediate image, and the other is used for converting the intermediate image into a virtual image or a real image in a three-dimensional space; an intermediate image horizontal flipper performs left-to-right flipping on the intermediate image in a horizontal direction for real-image space conversion; and the object-image distance-related parameter adjuster is used for adjusting the focal length of the variable-focus telephoto lens, the focal length of the short-focus micro-lens array, the focal length of a camera lens, and relative positions between the lenses. The optical quasi-three-dimensional space converter in the present invention can be used for wide-field-of-view three-dimensional photographic cameras, wide-field-of-view three-dimensional projectors for naked-eye observation, three-dimensional optical processing machines, artificial eyes, etc.

The present invention relates to a road warning system with detection of wrong-way traffic on one-way roads (70), capable of preventing accidents such as head-on collisions, chain collisions, and / or collisions with pedestrians. The system (70) comprises: (i) a plurality of movement sensors and / or a video and / or photographic camera (20), configured to identify any vehicle traveling the wrong way on the roads; (ii) a computer system for detecting vehicle movements calibrated as potentially hazardous, including wrong-way traffic (10), configured to issue a wrong-way traffic warning; (iii) a plurality of illuminated strips including light-emitting diodes (LEDs) (30), configured to light up based on said issuing of a wrong-way traffic warning; (iv) a metal structure suitable for securing the plurality of illuminated strips (30); and (v) a plurality of illuminated information panels (40).

To make a user easily grasp an operation region of a robot.SOLUTION: A robot system 1 comprises a robot arm 2, a photographic camera 4 for taking an image of the robot arm 2, and a teaching device 5. The teaching device 5 has a display part 53 that displays an image of its peripheral area including the robot arm 2, and a control part 58. The control part 58 acquires an operation region of the robot arm 2, and makes the operation region displayed in the state of being superposed on an image of the robot arm 2 displayed on the display part 53.SELECTED DRAWING: Figure 3

This utility model discloses an aerial surveying drone equipped with an oblique photography camera, including a drone body and an oblique photography camera mounted below the drone body. A cage frame adapted to the shape of the lower part of the oblique photography camera is set outside the camera. A protective lens is set at the bottom of the cage frame, closely attached to the shooting window at the bottom of the oblique photography camera. Rotary drive components are respectively set on two opposite side walls in the upper part of the cage frame. Each rotary drive component has a rotating arm extending downward to below the shooting window. A cleaning support is set between the lower ends of the two rotating arms. A cleaning drive component is set at the center of the cleaning support, and a cleaning brush that contacts the protective lens is set on the top of the cleaning drive component. This utility model effectively protects the lens of the oblique photography camera through the protective lens, preventing dust and debris from adhering to the lens surface. The cleaning drive component drives the brush to clean the surface of the protective lens, effectively ensuring the shooting effect. It eliminates the need for frequent return to the drone to clean the lens, saving time and improving aerial photography efficiency.

A method for measuring the stability of a patient's tear film using a device comprising a backlit translucent plate equipped with a target positioned in front of at least one eye (101) of a patient (100), at least one digital camera connected to a computing system equipped with image processing and analysis means, a camera lens pointing towards the patient's eye to photograph a reflection of the target pattern on the patient's eye, the method comprising, from a time origin (t0) constituted by a blink of the eye, a succession of image acquisitions (200), a succession of detections of micro-movement zones in the images (510), and calculation and storage of position, area, and number of micro-movement zones (520) of the tear film in each image using the image processing and analysis means, and the calculation (530) and storage (540),Based on a series of calculations of the surface area and number of micro-movement zones of the tear film, and a measurement of the amplitude of the micro-movement zones as a function of time. Figure 14,

Figure 1.1 is a perspective view of a photographic camera illustrating the new design. Figure 1.2 is another perspective view. Figure 1.3 is a front view. Figure 1.4 is a rear view. Figure 1.5 is a left side view. Figure 1.6 is a right side view. Figure 1.7 is a top view. Figure 1.8 is a bottom view. 1.1) Perspective; 1.2) Perspective; 1.3) Front; 1.4) Rear; 1.5) Left side; 1.6) Right side; 1.7) Top; 1.8) Bottom

An image processing system and method capable for use with an ANPR (Fig.2a), comprises: an image capture device (14) arranged to capture an image / video 36 (22) of a designated region; a first processor (18) configured to detect the image of the designated region and divide the image into a plurality of subregions such as a grid overlay (27) and determine 38 the presence of one or more of activity, change or a feature of interest, transmitting 40 to a parallel processor 10 (20) such as a GPU, only the determined regions (26, 24) of the image; and process in parallel the image’s region(s) to determine information there from. The image capture device 14 may be a still photographic camera or a video camera arranged to capture video of a car park. Preferably the ANPR system will have an image capture device with a trigger (44, Fig.5) activated by a car passing over a cable or a heat sensor.

1.-2. The design is shown in grayscale; 3. Colour disclaimer: The elements covered in green do not form part pf the scope of protection of the design; 4. The zigzag cut in the drawings indicate that the dimension in length / height of the design is not defined.

The present invention relates to a method and device for sorting alpaca fibres, in which an automated device sorts the portions of fleece, which have been previously separated manually according to the diameter range, using an identification belt with transport rollers that move and align the portions. A pressure roller and a transparent glass plate ensure that the portions remain on a single horizontal plane for uniform analysis. An industrial photographic camera with a magnifying lens and a light source is used to capture microscopic images that are processed by artificial intelligence (AI) to sort the fibres according to their quality. The sorting belt, equipped with presence sensors and mechanical pistons, guides the portions to the correct containers, while a robotic arm collects and redirects incorrect samples for re-sorting.

The invention discloses a traffic accident scene record map generation method and system based on unmanned aerial vehicle measurement, and the method comprises the steps: enabling an unmanned aerial vehicle to be attached to the ground, enabling the focusing center line of a camera to be perpendicular to the ground, determining the shooting height, and placing a standard ruler control point O1 of a corresponding measurement grade at an unshielded part, a panoramic image T1 with the height F1 is shot, and a three-dimensional photogrammetry range T1 is selected. And if the sheltered area exists and the condition is allowed, lowering the unmanned aerial vehicle to F2 to shoot an image T2 of the sheltered area. And identifying image control points and standard ruler size data, fusing T1 and T2 to generate a base map of a record map with a real size, and marking the size to complete the generation of the record map. If a large-range detail image needs to be shot, a control point range is calculated in a frame selection area of T1, control points are arranged after falling to F3, and after shooting and splicing are conducted to form T3, the T3 and T1 are aligned in proportion to generate a complete detail image. The panorama and detail images of the accident scene can be quickly obtained, and a reliable basis is provided for accident handling and judicial expertise.

1. Name of the designed product: sports camera holder (T03). 2. Use of the designed product: used for supporting and fixing photographic camera. 3. Design points of the designed product: in shape. 4. Picture or photo best indicating the design points: perspective view 1.

The application discloses a variable-baseline and phase-angle photography digital image stereo microscopic system and method, which realizes the forward and reverse equal translation movement of left and right two plane array digital photography cameras when the stereo photography distance is changed, and keeps the ratio K of the stereo image model camera baseline and the photography height unchanged in the movement, solves the problems of unstable stereo image model and stereo image flattening in the existing digital image stereo microscopic technology, and keeps the large stereo field of large stereo image overlap. After the stereo image is collected through photography and shooting, the camera internal parameter correction and the space projection position and posture correction are carried out through a data processing device, the digital image is rearranged, the errors of the camera pairing manufacturing itself and the errors generated by the variable-baseline and phase-angle photography system manufacturing and installation are eliminated, the requirements for the stereo photography camera manufacturing and the system equipment manufacturing and installation are reduced, and the technical performance of the digital image stereo microscopic system is improved.

Method for measuring the stability of a tear film of a patient using a device including a backlit translucent plate provided with a test chart positioned in front of at least one eye of the patient, at least one digital photographic camera connected to a computing system, and a camera lens pointing towards the patient's eye to photograph a reflection of a test chart pattern on the patient's. The method includes, from a starting time constituted by an eyelid blink, capturing a succession of images, detecting a succession of micro-movement areas in the images, and computing and storing data on the position, surface area and number of micro-movement areas of the tear film in each image, and computing and storing surface area and number of micro-movement areas of the tear film, and a measurement of the amplitude of the micro-movement areas as a function of time.

The utility model provides a reflecting cover, and belongs to the technical field of photography and camera shooting equipment. The lamp shade comprises a shade body, a close-fitting ring and a reflection cup. The reflection cup is arranged on the inner side wall of the cover body. The reflection cup comprises a plurality of reflection plates, and each reflection plate extends in the direction from the light inlet end to the light outlet end. And the plurality of reflectors are sequentially connected to define a reflecting cavity. The inner surface, corresponding to the light reflecting cavity, of the light reflecting cup forms a light reflecting face which is used for reflecting light so that external light can enter the light reflecting cavity from the light inlet end and can be emitted out from the light outlet end after being reflected by the light reflecting face. Furthermore, the close-fitting ring is arranged on the side wall, corresponding to the light reflecting cavity, of the light reflecting cup and abuts against the light reflecting plates, the light reflecting plates are attached to the inner side wall of the cover body, the connecting part of every two adjacent light reflecting plates is tightly attached to the inner side wall of the cover body, and therefore the problem that the height difference occurs at the connecting position of every two adjacent light reflecting plates is solved. Gaps appearing when the adjacent reflectors are connected are eliminated, and the light leakage phenomenon is effectively reduced or avoided.

The invention relates to the technical field of engineering measurement and image processing, in particular to an earthwork volume calculation method based on oblique photography of an unmanned aerial vehicle. According to the invention, multi-view images, laser point clouds and ground check point coordinates of a target area are synchronously acquired by carrying an oblique photography camera and a laser radar with periodic time synchronous calibration. Distortion correction is performed on the image to obtain an initial image point cloud, a terrain point set is generated by combining a semantic segmentation model and laser point cloud fusion, then an adaptive triangulated irregular network is constructed, and a current terrain digital elevation model is generated. After the model and a design terrain digital elevation model are subjected to standardized registration, filling and excavation areas are distinguished through grid-by-grid elevation difference calculation, and the earthwork amount is summarized. And finally, calculating the relative deviation ratio of the engineering quantity by using the ground check point, and dynamically adjusting the related parameters according to the calculation state determined by the deviation ratio. The earthwork volume calculation precision is improved.

This invention provides an adjustable tilt camera for photographing village architecture, including a connecting base. Several support legs are hinged to the side of the connecting base and are evenly spaced circumferentially along the central axis of the connecting base. Each support leg has a rotating sleeve and includes a support sleeve and a telescopic leg. The rotating sleeve is fitted over the telescopic leg and threadedly connected to it, while the support sleeve is fitted over the telescopic leg. This adjustable tilt camera allows for individual adjustment of the telescopic length of each support leg by rotating the rotating sleeve. On uneven stone slabs, the combined adjustment of multiple support legs makes it easier to achieve the desired angle for photography.

The invention relates to the technical field of data acquisition, in particular to an ecological park topographic feature high-precision acquisition method based on an unmanned aerial vehicle, and the method comprises the steps: collecting high-precision topographic data in a park through arranging a two-stage RTK-GNSS control network and combining an aerial survey technology that an unmanned aerial vehicle carries an oblique photography camera; the first-level control points are arranged in a terrain stable area, and the second-level control points are arranged in an encrypted mode according to complex terrains such as side slopes and depressions; the unmanned aerial vehicle performs data acquisition in a simulated flight mode, and ensures comprehensive coverage of images through multi-angle supplementary shooting; the point cloud data is accurately registered through the ICP algorithm with the weight, and the accuracy of key feature points is effectively improved; the generated triangulated irregular network (TIN) model is further used for terrain modeling to ensure the precision and continuity of a key area; and finally, performing precision verification on the three-dimensional scene through the reserved check points to ensure that the plane position error is not greater than + / -2cm and the elevation error is not greater than + / -3cm.