28 results about "Artificial vision" patented technology

A system for clinical analysis by an analytical chip with an actuator device which, in turn, includes a computer module integrating all the signals received by the system and transforming them into analytical results, connectable through a connectivity module with a data processing module connected to an external large-scale clinical data system to generate patterns of diagnoses. A fluid drive module for the impulsion of fluids inside the analytical chip. A thermal module distinguishes thermal areas of the analytical chip. An artificial vision module of the processes is inside the analytical chip. An electronic interface communicates the sensors and actuators integrated in the analytical chip and the actuators of the actuator device with the computer module. A power management module to autonomously power the portable system inside an external container that protects all the previous modules of the actuator device and where the analytical chip is inserted.

The invention relates to a method for optimizing carrier separation based on ion irradiation induced positive / negative photoconduction, which comprises the following steps: uniformly irradiating a single crystal sample by using an Xe35 + ion beam with the energy of 500-520MeV at room temperature, and controlling the dosage range of the ion beam to be 4.0 * 10 < 11 > cm <-2 >-3.0 * 10 < 12 > cm <-2 >. Defects with specific concentrations and types are accurately introduced into r-TiO2 crystal lattices, so that the on-demand design of the photoelectric property of the material is realized. A brand-new material preparation approach and a device prototype are provided for developing a new generation of sensing and computing integrated artificial vision sensor, a low-power-consumption neuromorphic computing chip and the like.

The object of the invention is a lens, in particular for artificial vision, comprising, along an optical axis (X):-a front optical unit having a positive power; -an intermediate focal plane on which the light from the front optical unit is focused; -an intermediate optical unit having a positive power, arranged behind the intermediate focal plane; and a rear optical unit having a positive power, including an aperture stop of the lens, and receiving the light from the intermediate optical unit. The entrance pupil of the lens is arranged in the front optical unit.

The utility model discloses a beef quality detection system using machine vision to replace artificial vision, and relates to the beef quality detection field, the beef quality detection system comprises a sampling unit, a controller, an execution unit and a conveying unit, the sampling unit comprises an image acquisition unit and a meat quality acquisition unit, the sampling unit is connected with the controller, and the controller is connected with the execution unit. The controller is connected with the execution unit, in the actual operation of the device, beef is collected and sampled through the sampling unit, a collected signal is transmitted to the controller, the controller transmits the signal to the analysis unit, the analysis unit compares the collected signal with data in a database, and the data in the database is analyzed. The method has more remarkable advantages from the algorithm to the detection precision, photographing and sampling detection are carried out at the same time, the quality of the beef is proved from the two aspects together, and the beef rating is more basis.

The invention discloses a method and system for removing bubbles in cement paste, electronic equipment and a storage medium, and relates to the technical field of cement paste bubble removal. Whether bubbles exist in the cement slurry in the slurry mixing tank or not is judged according to a cement slurry density measurement value obtained through measurement of the electronic densimeter, or whether bubbles exist in the cement slurry in the slurry mixing tank or not is determined in an artificial visual judgment mode, and a judgment result is obtained; when the judgment result is yes, an ultrasonic generator arranged on the slurry mixing tank is controlled to emit ultrasonic waves, and bubbles in the cement slurry are destroyed through the emitted ultrasonic waves. According to the invention, bubbles are removed through a physical means, namely ultrasonic waves, so that the purpose of replacing a defoaming agent is achieved, the bubble removal effect is good, and the method is suitable for cement paste for oil well cementation.

The invention discloses a cortex visual prosthesis control method and system based on reinforcement learning and behavior feedback, and the method comprises the steps: obtaining a visual image of an external environment, and extracting a feature vector of the visual image; inputting the feature vector into a reinforcement learning environment to generate an electrical stimulation pulse sequence corresponding to a plurality of microelectrode channels; applying the sequence of electrical stimulation pulses to a microelectrode array implanted in the visual cortex of a patient to induce light magical perception; behavior feedback generated when the patient executes a visual recognition task based on the light magical visual perception is obtained; and updating parameters of the reinforcement learning environment based on the behavior feedback to form closed-loop optimization. The stimulation strategy can be evolved on line, the cortical function recombination state of an individual caused by long-term blindness is automatically adapted, the morphological drift of light magical vision along with time can be effectively dealt with, and therefore the stability and long-term availability of artificial visual perception are remarkably improved.

The invention particularly relates to a carton printing color difference defect detection method based on artificial intelligence and image recognition, and relates to the technical field of industrial detection. Acquiring multi-mode active light field data; geometric and reflection decoupling calculation based on a physical model; and calculating the intrinsic chromatic aberration and judging the sensing fusion. According to the method, phase calculation and three-dimensional reconstruction are carried out to extract a surface normal vector, a mixed reflection model is substituted to solve an intrinsic diffuse reflection color, shadow stripping, highlight and other geometric interferences are solved, the extracted intrinsic color truly reflects printing ink characteristics, color difference calculation of a CIELAB color space is combined, high, medium and low saliency regions are divided according to region attention, and a differentiation threshold value is set. And a weighted chromatic aberration mean value is calculated for judgment, so that the deviation between traditional single threshold judgment and artificial visual evaluation is reduced, anthropomorphic quality judgment is realized, and the detection precision and the result reliability are greatly improved.

The invention discloses a pin winding mechanism of a pin winding machine, which comprises a pin winding vertical moving module, an upper pin winding plate and a lower pin winding plate, the driving end of the pin winding vertical moving module is connected with a pin winding mounting frame, the upper end of the pin winding mounting frame is connected with an upper driving assembly, the upper pin winding plate is mounted on the upper driving assembly, and the lower end of the pin winding mounting frame is connected with a lower driving assembly. The lower foot winding plate is installed on the lower driving assembly, an upper foot winding motor is fixed to the upper foot winding plate, an upper winding needle is rotationally connected to the upper foot winding plate, the upper foot winding motor drives the upper winding needle to rotate, a lower foot winding motor is fixed to the lower foot winding plate, a lower winding needle is rotationally connected to the lower foot winding plate, and the lower foot winding motor drives the lower winding needle to rotate. According to the pin winding mechanism of the pin winding machine, the movable pin winding plate drives one set of upper winding pins and the other set of lower winding pins to be matched with the position of a pin column on a current pin winding jig, the requirement for a combined structure of thick copper wire winding and thin copper wire winding is met, meanwhile, automatic high-low adjustment, left-right adjustment and front-back adjustment are achieved, and the precision is higher than that of artificial vision.

A simple and efficient PCB surface crack detection device comprises a feeding assembly, a roller coating assembly, a detection assembly and an intelligent detection system. The feeding assembly comprises a machining table and a bearing tray. The roller coating assembly comprises a roller coating frame, a coating roller and a fluorescent ink box; the detection assembly comprises a detection frame, a camera obscura and a visual detection camera. The simple and efficient PCB surface crack detection device disclosed by the utility model has the beneficial effects that the fluorescent roller coating structure is designed to be matched with the feeding structure and the visual detection structure, so that the detection of the PCB surface crack is simple and efficient, and compared with artificial visual detection, fluorescent marking and machine visual detection are more accurate and reliable; a cleaning structure and a drying structure are designed, so that the PCB coated with fluorescent ink can be quickly cleaned and dried, and the detected PCB can better flow into a subsequent processing flow; the utility model has the advantages of strong practicability and strong popularization significance.

A method for moving workpieces (50, 51, 52) to be machined and / or machined pieces (60, 61, 62) in a robotized work island (300), comprising an operating machine (250) for working sheet metals and a robot (100) for moving the workpieces (50, 51, 52) and machined pieces (60, 61, 62) and having an operating end (101) provided with gripping means (110) and an artificial vision apparatus (1), comprises the steps of positioning the operating end (101) above a first supporting plane (261) to acquire by means of a camera (2) of the vision apparatus (1) a first three-dimensional image of the first supporting plane (261) and of workpieces (50, 51, 52) and / or stacks of workpieces (55); processing the first three-dimensional image to determine position and orientation of the first supporting plane (261), number, geometry, position and orientation of each workpiece (50, 51, 52) and / or of each stack of workpieces (55, 56); identifying one or more workpieces (50, 51, 52) to be picked up and comparing its geometry with respective reference geometry to ascertain whether the workpieces (50, 51, 52) are compliant; picking up the workpiece (50, 51, 52) if compliant and moving it towards and a worktable (260) of the operating machine; releasing the workpiece (50, 51, 52) onto the worktable (260) so as to be machined and obtaining a corresponding machined piece (60, 61, 62); picking up the machined piece (60, 61, 62) from the worktable (260); arranging the operating end (101) with the vision apparatus (1) on the second supporting plane (262) to acquire a second three-dimensional image of the second supporting plane (261) and any machined pieces (60, 61, 62) and / or stacks of machined pieces (65, 66); processing the second image so as to determine position and orientation of the second supporting plane (262), number, position and orientation of any machined pieces (60, 61, 62) and / or stacks of machined pieces (65, 66); positioning and releasing the machined piece (60, 61, 62) on the second supporting plane (262).

The invention discloses a visual reconstruction method and a related product. The method comprises the following steps: acquiring image data of a target image; mapping the coordinate of each visual pixel in the image data and a visual cortex to obtain an array matrix; the array matrix comprises a mapping relation between each visual pixel and a visual cortex; based on the sound focus position corresponding to each visual pixel in the image data, obtaining a driving parameter of each array element in the stimulation equipment; processing the array matrix based on the driving parameter of each array element to obtain a driving sequence; and controlling stimulation equipment based on the driving sequence, and stimulating the visual cortex to present the target image. The defect that traditional single-point or uniform scanning stimulation lacks space coding capacity is effectively overcome, the spatial resolution and perception consistency of artificial vision are remarkably improved through topological mapping from an image to a cortex layer and accurate regulation and control of a sound field, and meanwhile long-term foreign matter reaction is avoided.

A driving shaft three-station assembly detection device comprises a workbench, the workbench is provided with a first workbench and a second workbench which are symmetrically arranged front and back, the first workbench and the second workbench are each provided with a driving shaft assembly device, each driving shaft assembly device comprises a driving shaft supporting and rotating device, and the periphery of a driving shaft is connected with a rubber protection sleeve. The rubber protective sleeve is matched with the hoop locking device; a T-shaped support is arranged between the first workbench and the second workbench, and the two sides of the T-shaped support are connected with hoop locking devices through first guide rails. A third working table is arranged on the side edge of the first working table and the side edge of the second working table, and a driving shaft laser marking device is installed on the third working table. According to the utility model, the hoop locking function of the rubber protective sleeve and the manual visual inspection of flaws in the circumferential direction of the driving shaft are completed through the two driving shaft assembling devices, the marking function is completed in combination with the driving shaft laser marking device, and the driving shaft assembling and marking efficiency is improved under reasonable budget through the semi-automatic process design.

The utility model relates to test screen detection technical field, concretely is test screen full -automatic calibration device, including detection bin, the inside installation of detection bin has operating table, the both sides installation of operating table has clamping subassembly, the inside installation of detection bin has detection subassembly, the bottom installation of operating table has adjusting unit, the outside of detection bin is provided with mechanical arm unit, one side of mechanical arm unit is provided with storage bin, the clamping subassembly includes clamping seat, and clamping seat fixedly connected in the both sides of operating table, the one end of clamping seat is installed with clamping motor, the one end drive coupling of clamping motor has two -way screw shaft. The test screen full -automatic calibration device of improvement, the mode of artificial vision and contact type detection calibration is set to mechanical arm and is grabbed test screen to detection station, and after detection is finished, the mode of taking and placing test screen is carried out through mechanical arm, avoids the damage of artificial contact to screen net, and then improves the precision of test screen detection.

An artificial vision device, according to one embodiment of the present invention, comprises: an image generation device configured to generate an image corresponding to an object; a stimulation control device configured to divide the image into a plurality of regions and generate stimulation current information on the basis of the plurality of regions; and a stimulation generation device comprising a plurality of electrodes and configured to apply a current to the plurality of electrodes on the basis of the stimulation current information. The stimulation control device comprises: an object type classification unit configured to generate object type information by classifying the type of the object of the image; a feature extraction unit configured to generate a feature extraction image by dividing the image into the plurality of regions on the basis of the image and the object type information; and a stimulation pattern generation unit configured to generate the stimulation current information which includes information on the magnitudes of the current corresponding to the respective plurality of regions, wherein the magnitudes of the current corresponding to the respective plurality of regions are different from each other.

The invention relates to the technical field of artificial vision and neuromorphic devices, and particularly discloses a retina-like adaptive vision device based on a perovskite and hydrogen bond organic framework material heterostructure and a preparation method of the retina-like adaptive vision device. According to the device, a hydrogen bond organic framework is adopted to regulate and control perovskite crystal lattices, carboxyl and lead ion coordination are utilized to induce crystal lattice strain, defect energy barriers are effectively improved, non-radiative recombination of carriers is inhibited, and dynamic regulation and control of photon-generated carriers are achieved. The device can realize the functions of light adaptation and dark adaptation driven by light intensity without voltage modulation, and shows the Weber's law response characteristic similar to the retina of human eyes. The device shows ultra-low monopulse power consumption, wide spectral response range, response speed close to human eyes and high dynamic range, is obviously superior to a traditional CMOS sensor, and provides a new way for high dynamic range imaging and on-chip neuromorphic calculation.

In artificial vision parameter automating method, the system includes a sensory module, a communication module, a database, an image processing module, a learning module and a automating and storing module. The sensory module is configured to take images. The communication module is configured to be send the data obtained from the sensory module to the database. The database is configured to store the images received from the communication module. The image processing module is configured to convert a selected image from the database into a low-resolution phosphene image, to generate test images with various artificial vision parameters. The learning module is configured to extract important features from high-resolution training images, and to build various machine learning models competent at identifying visual stimuli from low-resolution phosphene images. The automating and storing module is configured to automatically select and store primary test data, based on the learning in the learning module.

This invention relates to the field of engine oil package assembly dimension inspection technology, and more particularly to an engine oil package assembly dimension inspection system based on three-dimensional imaging technology, including a calibration module, a data acquisition module, a three-dimensional reconstruction module, a point cloud processing and analysis module, and a user interface and data management module. This invention effectively overcomes the shortcomings of traditional contact measurement or manual visual inspection, such as low efficiency, poor accuracy, and susceptibility to subjective factors, by deeply integrating advanced optical three-dimensional measurement technology with automated image processing algorithms. It achieves micron-level non-contact high-precision measurement of oil package assembly dimensions, significantly improving inspection efficiency while adapting to complex industrial environments, and enabling full-process digital traceability and management of inspection data.

A ribbon saw with a double security system is provided that includes a cutting ribbon (3), vertically installed between an upper part (1a) and a lower part (1b) with driving mechanism and control electronics. The control electronics include a first artificial vision security system, with a camera (5) and a second magnetic artificial vision security system, with an inductive sensor or metal detector (6) installed on the table (4), in front of the cutting ribbon (3). The security system is connected to one or two braking systems (14,15) based on a disc (14) and a pneumatic clamp (15) that stops the mechanism of pulleys (12a, 12b) of the ribbon (3), when it detects the color and the metallic or ferrous material of the gloves that the operator wears.

The application provides a three-dimensional visual detection method and device, electronic equipment and computer readable storage medium; the method comprises the following steps: for each component in a three-dimensional structure, acquiring first point cloud data corresponding to the component; determining the depth threshold information and the component type information of the component according to the first point cloud data; determining the template information of the three-dimensional structure according to the depth threshold information and the component type information of all components; when performing three-dimensional visual detection on the three-dimensional structure, loading the template information of the three-dimensional structure, and using the detection algorithm corresponding to the component type information of each component in the template information to detect the component according to the component type information. The three-dimensional visual detection method provided by the application can improve the accuracy of three-dimensional visual detection, improve the efficiency of three-dimensional visual detection, and avoid the consumption of manpower and time cost caused by artificial visual detection in the traditional way.

The utility model relates to the technical field of quality inspection, in particular to an artificial vision inspection bench for AG glass. Comprising a base, a back plate and a top plate, the base is fixedly connected with the lower end of the back plate, and the upper end of the back plate is fixedly connected with the top plate; the back plate is provided with front light sources which are uniformly distributed; the top plate is provided with a top adjustable light source, the top adjustable light source comprises an angle and height adjustable spot light source device, the spot light source device is fixed on a top frame of the inspection bench through an adjustable support, and the support is connected with the top frame through an adjustable connecting structure; the back plate is provided with a distance sensor, the top plate is provided with a light sensor, the distance sensor and the light sensor are connected with a controller, and the controller is further connected with a front light source and a top adjustable light source. According to the technical scheme, the inspection accuracy and efficiency can be improved.

The invention discloses a production process of a complex cavity injection mold, which provides accurate basic information for subsequent automatic processing by acquiring a 3D digital model of a complex cavity and extracting geometric characteristics and material attribute data, and reduces manual input errors. According to the method, the EDM machining area is automatically recognized based on the predefined machining rule base, the high-hardness material threshold value, the complex geometrical shape feature list and the machining feasibility criterion are used for replacing manual visual judgment, the recognition consistency and efficiency are improved, and omission or excessive design is avoided; the method comprises the following steps: performing dynamic feature classification on an identification area, generating a priority list, optimizing a processing sequence according to feature depth, angle and surface roughness requirements, ensuring key area priority processing, verifying a scheme through virtual EDM processing simulation, outputting optimized data, replacing actual trial cutting with simulation, reducing cost and period, and improving manufacturing success rate.

The application discloses a kind of power grid state evaluation method, device, terminal equipment and storage medium, wherein, method includes: to each pixel point in the region to be detected of power grid equipment picture, by calculating slope degree and slope value, further calculate amplification data, then carry out convolution processing and binary processing, again calculate to obtain crack annotation graph data, finally according to the crack annotation graph data of all pixel points Statistics abnormal pixel number, further evaluate power grid state.The power grid state evaluation method provided by the application can automatically generate crack annotation graph data according to the power grid equipment picture, and the state of the crack can be determined according to the crack annotation graph data, to further evaluate the state of the power grid.The application is higher in precision compared with artificial visual inspection, saves manpower, improves power grid state evaluation accuracy and efficiency.

The utility model discloses a steel cylinder positioning and identifying mechanism for a refrigerant small steel cylinder filling line, which comprises a conveying belt, baffles are fixedly connected to two sides of the conveying belt, a support frame is fixedly mounted at the top of one end, close to the output side of the conveying belt, of one group of baffles, and a driving motor is fixedly mounted at the top of the support frame. Four groups of U-shaped plates which are arranged in an annular array mode are arranged between the two groups of baffles and located on the lower portion of the supporting frame, the upper ends and the lower ends of the four groups of U-shaped plates are respectively and fixedly connected with a group of fixing discs, and a connecting piece used for being connected with a filling head is arranged at the end, located on the upper portion, of the supporting frame. And the pressure sensor is matched to provide accurate pressure feedback when the filling head is butted with the small steel cylinder, so that the butting process of the filling head and the small steel cylinder does not depend on artificial visual judgment any more, and accurate butting is ensured through data of the pressure sensor.

The invention provides a cascade artificial vision substitution compensation mechanism and vision auxiliary enhancement equipment, and relates to the technical field of artificial vision enhancement, and the mechanism comprises an equivalent convex lens imaging system and a photoelectric imaging system. The equivalent convex lens imaging system is an ultra-short-focus high-convergence equivalent convex lens imaging system formed by one or a series of optical lenses; the photoelectric imaging system captures external image information in real time through the image acquisition equipment, removes depth-of-field information, generates a focus real image for compensating visual adaptation after focal length optimization, and outputs the focus real image to the display equipment to be displayed in front of the visual field of a user; the equivalent convex lens imaging system serves as a substitution mechanism and is located at the near end of a visual axis, the photoelectric imaging system serves as a compensation imaging mechanism and is located at the far end, and the substitution mechanism and the compensation imaging mechanism are sequentially arranged on a light path in a cascading mode from the near end to the far end to form a cascading structure for compensating visual defects. Visual replacement and compensation are achieved at the near end and the far end respectively, and the visual ability of an amblyopia patient is improved.

The present invention relates to a portable automatic device for detecting impurities in Andean grains using artificial vision, which comprises a conveyor belt mounted on support rollers, a feed hopper, and an outlet tray for loading and collecting a sample. The device also includes a moveable tray coupled to an oscillating mechanism that allows the grains to be spread; a detection camera with a light source for capturing images under uniform lighting; a control and processing unit connected to a rechargeable battery, for analysing the images and quantifying the impurities using artificial vision algorithms; and a case for protecting and transporting the device.

An artificial prosthesis is disclosed, which comprises a pixel array, a correlated double sampling unit, an analog-to-digital converter, a digital core, and a digital-to-analog converter. The digital core is configured to perform a calculation of electrical stimulation waveform of each of the pixels by using a processing function of an ANN. As such, the neural stimulation levels for artificial vision can be optimized.

The application discloses a production process of a complex cavity injection mold, and the production process obtains a 3D digital model of the complex cavity and extracts geometric feature and material attribute data, thereby providing accurate basic information for subsequent automatic processing and reducing manual input errors; an EDM processing area is automatically identified based on a predefined processing rule library, manual visual judgment is replaced by a high-hardness material threshold value, a complex geometric shape feature list and a processing feasibility criterion, consistency and efficiency of identification are improved, and omission or excessive design is avoided; the identified area is subjected to dynamic feature classification and a priority list is generated, a processing sequence is optimized according to feature depth, angle and surface roughness requirements, key areas are ensured to be processed in priority, a virtual EDM processing simulation is used to verify the scheme and output optimization data, actual trial cutting is replaced by simulation, cost and period are reduced, and manufacturing success rate is improved.