31 results about "Three-CCD camera" patented technology

The invention discloses a machine vision detection system for standard fasteners. A vibration disc (16) is arranged at one end of the top of a machine table (5), a scale division rotating disc is arranged at the other end of the top of the machine table (5), a guide rail (12) for conveying parts is arranged between the vibration disc (16) and the scale division rotating disc, the guide rail (12) is composed of a fixed conveying rail (12a) and an adjustable conveying rail (12b), and the fixed conveying rail (12a) and the adjustable conveying rail (12b) are arranged side by side. An anti-falling-off baffle (9) is arranged on the periphery of the scale division rotating disc in a semi-surrounding mode, and a sliding way (10) for bearing the parts is arranged beside the scale division rotating disc. Pictures of the parts are shot by three CCD cameras from different angles, conveying, detection, sorting and packaging of the standard fasteners can be completed automatically, the system can be used for detecting various standard fasteners, the system can prevent the standard fasteners from falling off, and meanwhile the system can adapt to to-be-detected parts of different specifications. The machine vision detection system is good in generality, high in automation degree and high in detection efficiency.

The invention relates to a plant protection system and a plant protection method on the basis of visible light-infrared technologies for trees. The plant protection system is characterized by comprising an advancing device, a lifting device, a speed reduction rotary device, an image acquiring and processing device and a medicine administration device; the lifting device, the speed reduction rotarydevice, the image acquiring and processing device and the medicine administration device are carried by the advancing device, and travel power can be provided by the advancing device; the image acquiring and processing device comprises a single chip microcomputer processor, three CCD (charge coupled device) cameras and an infrared camera, the infrared camera is used for detecting leaves to determine whether insects are available on the leaves or not, two of the three CCD cameras are used for binocular recognition calibration, and the other CCD camera is used for vision tracking; the two CCD cameras for binocular recognition calibration are fixed onto the upper surface of the lifting device by the aid of a pair of binocular camera frameworks, and the infrared camera is fixed onto the lifting device by the aid of an infrared camera framework and is positioned between the pair of binocular camera frameworks. The plant protection system and the plant protection method have the advantagesthat focuses of the trees can be recognized, and medicines can be administrated at fixed points according to the types of the focuses.

The invention relates to a threaded hole three-CCD camera detection mechanism. One end of the detection mechanism is provided with a target zone, and the detection mechanism comprises at least two image devices arranged at a certain angle. The detection mechanism is characterized in that at least one image device is arranged towards the target zone in a positive direction, at least one image device is arranged towards the target zone in an inclined manner, extension lines of lenses of the image devices intersect at the same intersection, and the intersection is positioned in the target zone. According to the detection mechanism, a CCD camera arranged in the positive direction and a CCD camera arranged in an inclined manner detect each quality index of an internal thread with clear division of labor, and the CCD cameras with two different angles are arranged on the same fixing plate so that all quality index items of the same internal thread can be integrally and simultaneously detected.

The invention provides a binocular-recognition-based intelligent hawthorn picking robot. The robot comprises a hawthorn picking device, an advancing device and an image acquiring and processing device; the hawthorn picking device comprises a mechanical arm, a small-capacity collecting device and a large-capacity collecting device; the large-capacity collecting device is a cuboid box body and is fixedly arranged on the advancing device; the advancing device is a crawler-type advancing device; and the image acquiring and processing device comprises three telescopic racks and three CCD cameras and an industrial control computer and is located on the advancing device. Hawthorn fruits are sufficiently protected due to the design that whether a scissor net is shrunk or not is judged after an image of a position relationship between hawthorns and the scissor net is sent back to the industrial control computer, hawthorn stalks are sheared, and then, picking is finished.

The invention discloses a dance independent training comparison system, and relates to the technical field of dance comparison. The system comprises a dance training machine body and a programmable controller, the dance training machine body is arranged in a cavity of the programmable controller, the dance training machine body is composed of a base and a support member, the support member is fixedly disposed on one side of the top end of the base, one side of the support member is inlaid with a display assembly arranged in an arc shape, the top of the base fits a soft cushion, a probe is disposed in the soft cushion, two CCD cameras and one CCD camera are respectively disposed on the base and the support member, and the three CCD cameras are arranged in a triangle shape. The system facilitates the comparing dances for which dancers are trained with existing standard dance movements by the arrangement of a comparing unit assembly, delineates and records the differences of the compareddances, displays through the display assembly, and provides convenience for the dancers to find the irregularities of the dances in time during the dance training.

The invention discloses a visual inspection mechanism. A vibrating plate (13) is installed at one end of the top of a machine table (5), and a scale division rotating plate is arranged at the other end of the top of the machine table (5). A guide rail (9) for conveying parts is arranged between the vibrating plate (13) and the scale division rotating plate and formed by a fixed conveying rail body (9a) and an adjustable conveying rail body (9b) which are arranged side by side, the outlet ends of the fixed conveying rail body (9a) and the adjustable conveying rail body (9b) are both upwards bent to form horizontal sections (9c), and a blowing device (14) is arranged on the lateral side of the outlet end of the guide rail (9). By means of the visual inspection mechanism, pictures of the parts are shot through three CCD cameras from different angles, standard fasteners can be automatically conveyed, inspected, sorted and packaged, the visual inspection mechanism can be used for inspecting the fasteners in various standards, can be suitable for the to-be-inspected parts in different specifications and is good in university and high in automation degree, the device investment is effectively reduced, and the inspection efficiency is greatly improved.

The invention discloses a standard fastener detection system based on machine vision. A vibrating disk (19) is installed at one end of the top of a machine table (5), a rotary indexing disk is arranged at the other end of the top of the machine table (5), guide rails (15) for conveying parts are arranged between the vibrating disk (19) and the rotary indexing disk, the guide rails (15) are composed of the fixed conveying rail (15a) and the adjustable conveying rail (15b) which are arranged side by side, both the outlet end of the fixed conveying rail (15a) and the outlet end of the adjustable conveying rail (15b) are bent upward to form horizontal segments (15c), and an air blowing device (20) is arranged on the lateral side of the outlet ends of the guide rails (15). According to the standard fastener detection system based on machine vision, the pictures of parts can be taken through three CCD cameras from different angles, standard fasteners can be conveyed, detected, sorted and packaged automatically, and the standard fastener detection system based on machine vision can be used for detecting various standard fasteners and sorting parts through a sorting device according to categories and is high in sorting speed, automation degree and detection efficiency.

The invention discloses an irregular object volume measurement method based on Freeman chain code detection. A system is calibrated so as to acquire a pixel equivalent of the system; three CCD cameras are used for respectively acquiring original images of a to-be-measured object in an over-looking direction, a left-looking direction and a right-looking direction, and maximal peripheral length image coordinate parameters of the to-be-measured object are acquired via the over-looking image; based on the over-looking maximal length pixel number, measurement ranges corresponding to the left-looking image and the right-looking image are divided, a shape from shading method is used for calculating the height of each pixel point of the left-looking image and the right-looking image, a Freeman chain code is used for carrying out boundary detection on the left-looking image and the right-looking image respectively, coordinates of the boundary point are calculated, a Green formula is used for calculating the area surrounded by the boundary, the volume of the first layer is obtained through product between the area and the minimal height value, and the volume of the entire object is finally acquired according to the position of secondary small height value pixel points. The invention provides an accurate non-contact volume measurement method, the measurement speed can be quickened, and the production efficiency is improved.

The invention discloses a standard fastener detection conveying and detection device. An indexing rotary disc is arranged above a machine table (5). A first CCD camera (6) is arranged above the edge of the indexing rotary disc. A second CCD camera (7) and a third CCD camera (8) are arranged near the indexing rotary disc. One side of the indexing rotary disc is provided with a guide rail (9) conveying standard fasteners. The guide rail (9) with the high inlet end and the low outlet end is obliquely arranged. The guide rail (9) is composed of a fixed conveying rail (9a) and an adjustable conveying rail (9b), wherein the fixed conveying rail (9a) and the adjustable conveying rail (9b) are arranged side by side. The standard fastener detection conveying and detection device is simple and compact in structure, small in size, low in cost, capable of taking pictures of the standard fasteners from different angles with the three CCD cameras and being used for detecting the various standard fasteners, suitable for different specifications of parts to be detected, good in universality and high in degree of automation, effectively reduces equipment investment and greatly improves detection efficiency.

The invention provides an improved bar straightness detection system based on visual detection. The improved bar straightness detection system comprises three sets of straightness detection devices. The straightness detection device comprises a first annular rack and a second annular rack; three lasers are evenly distributed on the first annular rack, when a bar moves to the first annular rack where the lasers are distributed, lasers emitted by the three lasers surround the circumference of the bar to form a circular ring, and three CCD cameras are evenly distributed on the second annular rack. The distance between every two adjacent sets of straightness detection devices is 1 m, and the three CCD cameras of each set of straightness detection devices shoot three circular ring images formedaround the bar at the same time. Aiming at the problem that the operation process of the bar is not stable, three groups of pictures are shot at the same time, and errors caused by vibration of the bar are avoided in the continuous detection process.

The invention discloses a three-dimensional foot laser scanner. The three-dimensional foot laser scanner comprises an electromechanical system, an optical system and a data processing system which are connected with one another, wherein the electromechanical system comprises a base and a shell matched with the base; a supporting seat which is connected with a first motor is arranged on the base; a left light engine module is arranged on the left side of the supporting seat; a right light engine module is arranged on the right side of the supporting seat; a lower light engine module is arranged in the middle of the supporting seat; the left light engine module and the right light engine module are symmetrically arranged on the supporting seat; a glass platform is arranged between the front side surface and the rear side surface of the shell, is positioned between the left light engine module and the right light engine module and is positioned over the lower light engine module; and a liquid crystal display screen which is connected with the optical system and the data processing system is arranged above the glass platform. Three lasers and three CCD cameras are adopted, and human body three-dimensional foot laser scanning is realized by laser triangulation; and the measurement precision is high, the integration level is also high, the flexibility is good, and the working efficiency is greatly improved.

The invention discloses a machine vision detection system. A vibrating disk (14) is installed at one end of the top of a machine table (5), a rotary indexing disk is arranged at the other end of the top of the machine table (5), guide rails (11) for conveying parts are arranged between the vibrating disk (14) and the rotary indexing disk, the guide rails (11) are obliquely arranged with the inlet ends high and the outlet ends low, both the outlet end of the fixed conveying rail (11a) and the outlet end of the adjustable conveying rail (11b) are bent upward to from horizontal segments (11c), and an air blowing device (15) is arranged on the lateral side of the outlet ends of the guide rails (11). Through the machine vision detection system, parts to be detected can be effectively prevented from disengaging, pictures of the parts can be taken by three CCD cameras from different angles, standard fasteners can be conveyed and detected automatically, the machine vision detection system can be used for detecting various standard fasteners, can adapt to different specifications of parts to be detected and is good in universality and high in automation degree, equipment investment is effectively reduced, and detection efficiency is greatly improved.

The invention discloses a standard fastener detection device based on machine vision. A rotary indexing disk is arranged above a machine table (5), a first CCD camera (6) is arranged above the edge of the rotary indexing disk, and a second CCD camera (7) and a third CCD camera (8) are arranged beside the rotary indexing disk; an anti-disengagement baffle (9) surrounds half of the periphery of the rotary indexing disk; a slide way (10) used for receiving parts is further arranged beside the rotary indexing disk, the slide way (10) is fixedly installed on the machine table (5), and a separation shifting fork (11) for shifting parts to the slide way (10) is arranged beside the inlet end of the slide way (10). According to the standard fastener detection device based on machine vision, the pictures of parts can be taken through the three CCD cameras from different angles, the standard fastener detection device based on machine vision can be used for detecting various standard fasteners, and while the standard fasteners are prevented from disengaging, the standard fastener detection device based on machine vision can adapt to different specifications of parts to be detected and has the advantages of being simple and compact in structure, small in size, low in cost, good in universality, high in detection efficiency and the like.

The invention relates to the technical field of keyboard films, in particular to an automatic keyboard film pressing device and a using method thereof. The automatic keyboard film pressing device comprises a machine body, a three-color lamp is fixedly connected to the top of the machine body, a feeding port is formed in the front portion of the machine body, a feeding sensor is fixedly connected to the position, above the feeding port, of the machine body, and a conveying belt is arranged in the machine body; a fixed plate is fixedly connected to the interior of the machine body, a first CCD camera and a second CCD camera are fixedly connected to the fixing plate, a pressing device is arranged in the machine body, and a material taking device is fixedly installed in the machine body. According to the automatic keyboard film pressing device and the using method thereof, the keyboard film is shot, positioned and precisely positioned through the three CCD cameras, so the mechanical arm can directly and automatically take, calibrate, feed and transfer the keyboard film, the overall manual labor intensity is reduced, and the keyboard film can be accurately pressed through shooting calibration of the CCD cameras, so the conditions of inclination and inaccurate placement of angle positions in the pressing process are avoided.

The invention discloses a medical nuclide imaging system and a medical nuclide imaging method based on photosensitive tights. The imaging system comprises an imaging darkroom, three CCD cameras, a control system, a lifting system and the photosensitive tights, wherein the photosensitive tights are prepared by uniformly mixing acrylic fibers and Gd2S2O (gadolinium oxysulfide) rare earth material. During the imaging process, a to-be-tested person receives intravenous injection of corresponding radionuclide, then enters the imaging darkroom for imaging at the proper moment, after lighting equipment inside the imaging darkroom is turned on, the to-be-tested person stands in an imaging area, and the three CCD cameras photograph the to-be-tested person; then the to-be-tested person stands still, the lighting equipment inside the imaging darkroom is turned off, the three CCD cameras collect fluorescence signals converted by the photosensitive tights and on the body surface of the to-be-tested person, and finally a fluorescence signal image and a picture image are displayed in a mixing manner. With the adoption of the medical nuclide imaging system and the medical nuclide imaging method, optical imaging of the medical radionuclide is realized, and the medical nuclide imaging system and the medical nuclide imaging method have the characteristics of whole body imaging, real-time imaging, simplicity and convenience in operation, low cost, and the like.

The invention discloses a standard fastener detection device. An indexing rotary disc is arranged above a machine table (5). The indexing rotary disc is driven by a stepping motor (9) installed on the machine table (5) to rotate. A first CCD camera (6) is arranged above the edge of the indexing rotary disc. A lens of the first CCD camera (6) is downward. A second CCD camera (7) and a third CCD camera (8) are arranged near the indexing rotary disc. The second CCD camera (7) is close to the third CCD camera (8). A lens of the second CCD camera (7) and a lens of the third CCD camera (8) face the indexing rotary disc. The standard fastener detection device is simple and compact in structure, small in size, low in cost, capable of taking pictures of standard fasteners from different angles with the three CCD cameras and being used for detecting the various standard fasteners, suitable for different specifications of parts to be detected and good in universality, effectively reduces equipment investment and greatly improves detection efficiency.