68 results about "Camera obscura" patented technology

The invention discloses ceramic surface roughness detection equipment, and relates to the field of ceramic surface detection devices.The ceramic surface roughness detection equipment comprises a fixing frame, a workbench is fixed to the fixing frame, a displayer is installed on the workbench, an air cylinder is further fixed to the workbench, a carrying table is arranged above the workbench, and a camera obscura is fixed to the left side of the workbench; and the limiting mechanism is used for clamping and limiting the ceramic plate. According to the ceramic surface roughness detection equipment, the detection mechanism with the laser irradiation range adjustment function is adopted, the width of a ceramic plate can be automatically adapted to adjust the laser detection range in the ceramic plate detection process, it is guaranteed that the laser detection range is automatically matched with the width of the ceramic plate, and it is guaranteed that light spots completely cover the surface of the to-be-detected ceramic plate; the reflection interference caused by the fact that laser overflows to a carrier (such as a metal or glass carrier) is avoided, the signal-to-noise ratio (SNR) of scattered signals is improved by 40% or above, the Ra measurement error is controlled within + / -2%, and the accuracy of detection data is effectively guaranteed.

The utility model relates to the technical field of customized cabinets, in particular to a customized cabinet with a private hidden space, which comprises a cabinet body, and further comprises two hidden boxes, a box door, a push rod, a limiting block, a mounting groove, a wedge-shaped block, a connecting rod and a reset spring, a second partition plate is arranged on the rear side in the cabinet body, and the two hidden boxes are symmetrically mounted on the left side and the right side of the second partition plate; a box door is installed on the front side of the camera bellows, a push rod is connected to the front side of the box door, one end of the push rod penetrates through the box door to be connected with the limiting block, an installation groove is formed in the position, corresponding to the push rod, of the front side of the camera bellows, and a wedge-shaped block is arranged in the installation groove. Private articles can be stored through the camera obscura so as to solve the problems that according to a common customized cabinet, the inner space of the cabinet is separated only through plates, the purpose of classified storage of the articles is achieved, but the utilization rate of the inner space of the cabinet is not high, and due to the lack of a hidden space structure, the space utilization rate of the cabinet is not high. And relatively private articles cannot be stored, so that the practicability of the customized cabinet is reduced.

The utility model discloses a camera obscura for receiver testing. The camera obscura comprises a box body; a transmitting antenna, wherein the transmitting antenna is arranged in the box body; and the mounting seat is arranged in the box body in a sliding manner and is arranged to be used for mounting a test product. According to the camera obscura for testing the receiver, the transmitting antenna and the mounting base are integrated in the box body, and compared with a darkroom, the camera obscura which is independently designed does not need to be reserved in use and does not have a complicated process, so that the receiving and transmitting signal testing efficiency of the receiver can be improved; the camera obscura is small in overall size and convenient to move, portable design is achieved, a certain number of camera obscura can be customized according to requirements, receiver testing is facilitated, and using is more flexible; when the camera obscura is used for testing, only the cost for manufacturing the camera obscura and the tool cost for fixing different receivers need to be paid, so that the cost is greatly reduced.

The application relates to the technical field of image acquisition and processing devices, and discloses a projection device for tongue surface detection, a connecting rod is fixedly connected to a rotating frame, a shielding curtain is detachably connected to the connecting rod, the bottom of the shielding curtain abuts against the bottom of a dark box, the surface of the shielding curtain is provided with a carbon fiber layer, the top of the dark box is provided with an air hole, the air hole is located on the front side of the shielding curtain, and the dark box is connected with an air outlet cavity. The photos taken by the device have high consistency for people with different postures and body shapes, and the machine analysis is facilitated. In addition, under the isolation and guiding action of the shielding curtain, the flow direction of the gas is consistent, the old gas carrying bacteria is further isolated by the airflow itself, the shielding curtain has the functions of adsorption and isolation, the airflow is guided and bound, the spread of droplets in the dark box is avoided, and the adhesion of the droplets to the camera and the coaxial light source is reduced.

This invention discloses a device for detecting the wall thickness of a transparent container, relating to the field of detection technology. It includes a dark chamber with a lid on top, an analysis component, a positioning component on the top of the lid, a light source component fixedly mounted on the side of the dark chamber, and a rotating component at the bottom of the inner cavity. A transparent container body is placed on the rotating component. This invention utilizes the fact that light rays incident at an angle to the surface of the transparent container body undergo two refractions upon passing through and after passing through the medium of the transparent container body, forming a three-segment light ray. The thickness of the medium of the transparent container body can be determined by the horizontal projection distance of the ray in the medium of the transparent container body. Furthermore, based on the known length of the horizontally emitted ray B, the percentage of ray A within the first medium can be calculated, thus yielding the target wall thickness.

The invention is suitable for the technical field of packaging material detection, and provides a packaging material light transmittance detection practical device which comprises a detection table, the detection table is fixedly connected with box bodies, the side walls of the two sides of the box bodies are rotationally connected with guide rollers, one side of each box body is provided with a winding machine, the winding machines can wind and tension the packaging material, and the detection table is fixedly connected with the box bodies. A supporting frame is arranged on one side of the box body, the supporting frame is fixedly connected with the detection table, the supporting frame is fixedly connected with an electric telescopic rod, the telescopic end of the electric telescopic rod is fixedly connected with a box cover, a detection lamp is arranged in the center of the bottom of the box cover, and the box cover is connected with a sealing mechanism. By introducing the air pressure optimization system, the air pressure of the sealing mechanism is dynamically regulated and controlled, and the problem of insufficient measurement precision caused by untight sealing of the camera obscura, light source performance fluctuation and environmental interference is solved.

This utility model discloses a detection device for a low-light image intensifier, comprising a light source, an integrating sphere assembly, a dark box, and a detection component arranged sequentially. The dark box contains a clamp for mounting the low-light image intensifier, and an optical channel is provided between the light source, the integrating sphere assembly, and the dark box. The dark box includes a top plate with a mounting through-hole corresponding to the fluorescent screen of the low-light image intensifier. The detection component includes an eyepiece and a detection camera. The eyepiece is detachably connected to the mounting through-hole via a first adapter. The detection camera is located above the top plate, and a light-shielding tube is connected to its lower part. The lower end of the light-shielding tube is detachably connected to the mounting through-hole via a second adapter. This utility model integrates camera detection and visual detection into a single setup by connecting the eyepiece and the light-shielding tube of the detection camera to the same mounting through-hole via the first and second adapters, respectively, effectively improving the detection efficiency of the imaging uniformity of the low-light image intensifier.

The invention discloses a camera detection device. The detection device comprises a rack, a flexible clamping mechanism, a camera obscura mechanism, a detection scene switching mechanism, a test graphic card mechanism and an environment simulation mechanism, the environment simulation mechanism comprises a wind speed adjusting assembly, a temperature adjusting assembly and an atomization generation assembly; the camera is clamped and fixed by the flexible clamping mechanism, and can adapt to modules of different sizes and shapes; the camera realizes short-distance detection scene switching through the detection scene switching mechanism, and can be aligned with the test graphic card mechanism at the bottom of the camera obscura to carry out long-distance shooting detection; the detection scene switching mechanism can be switched among multiple scenes such as a black field, a white field, an image card and flash; the environment simulation mechanism simulates the wind speed, temperature and humidity environment when the camera works through a wind speed adjustment assembly, a temperature adjustment assembly and an atomization generation assembly, and achieves the imaging performance test under the dynamic complex condition. The whole structure is compact, efficient and accurate, and has good adaptability and environment simulation capability.

The invention discloses an industrial heterogeneous part appearance automatic detection device, and the device comprises a camera obscura frame which is used for forming a camera obscura environment for isolating external light; the collaborative robot is arranged in the camera obscura frame, and an image acquisition module is mounted on the end effector; the workpiece bearing and rotating mechanism is arranged in the camera obscura frame and is used for bearing and driving a workpiece to rotate; and the processor is connected with the collaborative robot, the workpiece bearing and rotating mechanism and the image acquisition module, and is configured to control the workpiece bearing and rotating mechanism and the collaborative robot to move cooperatively, so that the image acquisition module performs multi-angle image acquisition on the rotating workpiece, and performs defect identification and classification on the acquired images by adopting a deep learning algorithm. An intelligent analysis system is constructed in the closed camera obscura, so that imaging interference of complex curved surfaces and materials of heterogeneous parts is overcome, high-precision identification and classification of various tiny defects are realized, and the efficiency and reliability of industrial appearance detection are improved.

The invention provides a redried tobacco strip grading method and system based on computer vision, and belongs to the technical field of tobacco processing and quality control. The method comprises the following steps: firstly, detecting working conditions, including detecting the position of a pressure head, the position of a smoke box, obstacles, the working state of a press and the like; after the working conditions are met, the camera obscura is started to move to the position vertically above the smoke box; starting a light source and a camera, and collecting a clear tobacco strip image; preprocessing operations such as denoising, enhancement, cutting and color correction are carried out on the collected image; abnormal conditions including box covering, exposure, local shielding, leaf breaking and the like are detected; inputting a grading algorithm to the normal condition image, and outputting tobacco lamina grade and matching degree information; and visualizing a tobacco strip analysis result, aligning the result with the image data, and storing the result in a database. According to the method and the system, automation, high efficiency and accuracy of tobacco strip data acquisition and grading are realized, abnormal conditions can be effectively identified and processed, and the method and the system are suitable for online quality control of a tobacco production line.

The utility model discloses a modularized microwave camera obscura which comprises a camera obscura body and an antenna installation support, the antenna installation support is arranged in the camera obscura body and used for installing an antenna, and the antenna installation support is a three-axis linkage mechanism and can adjust the position of the antenna in the vertical direction, the transverse direction and the longitudinal direction. The camera obscura body is composed of a plurality of module box bodies which are detachably communicated, each module box body is provided with a box body frame, shielding plates and wood plates, the box body frames are constructed by plastic-wood profiles, the outer walls of the box body frames except the communication sides are all covered with the shielding plates, the inner walls of the box body frames except the communication sides are all covered with the wood plates, and the shielding plates are arranged on the outer walls of the box body frames. The inner side of the wood board is covered with a wave-absorbing material; a sliding supporting assembly is arranged at the bottom of each module box body and used for moving, positioning and supporting the module box bodies. The modularized microwave camera obscura provided by the utility model is installed in a modularized manner and is light in weight, the box body is convenient to transport, and an internal tested antenna can be flexibly adjusted.

The application discloses a device and method for testing the light feedback characteristic of a low-light image intensifier image tube, which comprises a light source, a neutral filter box, an adjustable aperture diaphragm, an integrating sphere, an illuminometer, a contrast test target plate, a conjugate projection lens assembly, an image tube, an industrial camera, an image tube high-voltage power supply, a computer and a test dark box. The method tests the linearity of a certain fixed spatial frequency line under the corresponding MCP voltage of the image tube, and obtains the MCP voltage of the image tube at which the light feedback occurs according to the change of the contrast of the image tube with the MCP voltage. If the brightness gain corresponding to the voltage is higher than the required brightness gain, the image tube does not have the risk of light feedback, otherwise, the image tube has the risk of light feedback. Whether the image tube and the high-voltage power supply packaged as an image intensifier have the risk of light feedback is determined. The application realizes the accurate test of the light feedback characteristic of the low-light image tube, can avoid the circulation of the image tube with the risk of light feedback, and guarantees the imaging quality of the low-light image intensifier.

The application discloses a kind of ultra-thin copper foil pinhole testing methods, comprising the following steps: S1, selecting standard size copper foil, copper foil is laid between two backing plates, form test unit, the backing plate is made of light-transmitting and can be softened at high temperature Material is made, the copper foil between interlayer can be observed through any one side of two side backing plates;S2, the upper and lower sides of test unit are covered with pressing plate, put into high-temperature vacuum press, and pressure is applied to the upper and lower sides of test unit under high-temperature vacuum environment;S3, the test unit is taken out from high-temperature vacuum press for cooling, the pressing plate is removed, and the test unit is placed together on the window of the dark box with built-in light source, so that the light transmitted from the window transmits through the copper foil, the number and position of pinholes on the surface of the copper foil are tested and counted.The application can solve the problem that existing optical microscope or image processing technology is difficult to quickly locate pinhole position on ultra-thin copper foil in a large range.

This invention relates to the field of screen defect detection equipment technology, and provides a liquid crystal display screen defect detection device and method, including a conveying unit and a dynamic-static combined platform above it, as well as a three-dimensional motion unit and a defect detection camera; a fixed seat is fixed above the dynamic-static combined platform; the three-dimensional motion unit includes a horizontal arm, and the defect detection camera is located at the end of the horizontal arm; the dynamic-static combined platform includes a dynamic load module and a static load module, the dynamic load module is slidably mounted on top of the elastic seat in the left-right direction, and a reset mechanism is provided between the right end of the static load module and the right end of the dynamic load module. A stopping unit intercepts the dynamic load module to form macroscopic positioning, and a light-shielding unit drives a positioning rod to insert into a positioning cylinder to form microscopic positioning while simultaneously sealing the elastic seat. Utilizing the integrated light source array within the multi-light source integrated unit, it can simultaneously achieve continuous dark-box multi-defect type detection and precise display screen positioning to prevent tilting.

The invention relates to the field of intelligent driving, and particularly discloses a camera-based camera obscura virtual view angle adjustment method and system, a terminal and a medium, the method comprises the following steps: firstly, synchronously collecting original identification data and fusion data of a camera and a radar in a real vehicle test, and comparing the original identification data and fusion data with real physical coordinates to obtain a real vehicle reference deviation; then, initial screen projection parameter adjustment of the virtual picture is carried out based on camera hardware parameters and camera obscura geometric parameters; thirdly, running a virtual scene consistent with the real vehicle dynamics in the camera obscura, collecting camera simulation data, and finely adjusting picture zooming parameters in a data driving mode through curve fitting and residual analysis with the real vehicle data, so that the deviation mode of the picture zooming parameters restores the real vehicle characteristics; and finally, injecting feature-reproduced virtual radar data to perform a function trigger test, verifying the matching between simulation fusion data and real vehicle fusion data, and if the simulation fusion data and the real vehicle fusion data are not matched, performing intelligent diagnosis and backtracking debugging. The test reliability is improved, and the cost and the risk are reduced.

The utility model discloses a cat litter raise dust detection device, including camera obscura, feeding mechanism and industrial camera, camera obscura includes recovery box, enclosure and light source subassembly, feeding mechanism and industrial camera are respectively provided on the two adjacent side surface of enclosure, the enclosure is formed by gluing and enclosing four white matte acrylic plate, and the light source subassembly is provided with the light source subassembly. The feeding mechanism is composed of a connecting pipe and a storage assembly assembled at the top end of the connecting pipe through an electromagnetic valve flange. According to the cat litter raising dust detection device, the camera obscura is combined with the industrial camera and the feeding mechanism, quantitative detection of cat litter raising dust is achieved, high-precision imaging of the industrial camera is used for replacing naked eye observation, subjective judgment differences are effectively avoided, the accuracy of a test result is remarkably improved, and meanwhile the detection efficiency is improved. A white matte acrylic plate is used as a background plate, and black light-absorbing flannelette is attached to the three faces, away from the background plate, of the inner side of the fence in a matched mode, so that ambient light interference is effectively eliminated, and the imaging contrast ratio of flying dust particles is increased.

This invention discloses a precision darkroom platform for single-molecule detection and its usage method. The darkroom platform includes: a skeleton; an external stress-skinned shell disposed on the outside of the skeleton to form a closed box; a precision lifting drive assembly located inside the box, including a slider guide rail, a slider, and a lead screw; a ball bearing indexing adjustment feedback system located outside the box, including a ball bearing fixing seat, a ball bearing adjustment knob, and a ball bearing assembly; the top end of the lead screw passes through the lead screw connection hole of the ball bearing fixing seat and is fixedly connected to the ball bearing adjustment knob; a ball bearing indexing groove is provided at the journal of the ball bearing adjustment knob or the lead screw, and the ball bearing assembly is disposed in the ball bearing threaded hole of the ball bearing fixing seat and pressed against the ball bearing indexing groove; a critical elongation suspension assembly including an elastic suspension belt connecting the slider and the optical detection platform; and an optical environment control assembly including a honeycomb light absorption device and a light trap heat dissipation device. The darkroom platform of this invention solves the problems of rigid vibration isolation, darkroom fine adjustment, and photothermal effects.

The invention belongs to the field of stray light suppression, and particularly relates to a stray light suppression capability test system, which comprises a stray light simulation source for emitting stray light, and a stray light incident angle adjustment module, a pose adjustment module, an irradiation detection module, an environment detection module, a background extinction cavity and a stray light suppression module which are respectively arranged in an optical camera obscura, the stray light incident angle adjusting module is used for adjusting the angle of stray light entering the optical camera obscura; the pose adjusting module is used for adjusting the pose of the optical system to be measured; the irradiation detection module is used for measuring the irradiance at a light inlet of the optical system to be measured; the environment detection module is used for measuring environment stray light energy in the field of view of the to-be-detected optical system; the background extinction cavity is used for absorbing residual stray light in a view field of the optical system to be detected; and the stray light suppression module is used for absorbing residual stray light outside the field of view of the to-be-detected optical system. Through the systematic innovative design, the precision, efficiency and reliability of the stray light suppression capability test of the optical system are comprehensively improved.

The application discloses a kind of based on vision's brake pad automatic detection device and detection method, including rack, feed conveying mechanism, discharge conveying mechanism, detection dark box, dual-state windowing support mechanism, vision acquisition mechanism, linkage driving mechanism, sorting discharge mechanism and control unit.Dual-state windowing support mechanism is located in detection dark box, including fixed base, left multipurpose flip plate, right multipurpose flip plate, follow-up light-shield positioning frame, bottom image-taking window, edge support step, lateral positioning edge and calibration reflective surface.Left and right multipurpose flip plate is supported brake pad in the state of being received and conveyed, inside is synchronously down in the state of being detected in windowing, and bottom image-taking window is formed, and brake pad is kept stable positioning by edge support step and lateral positioning edge.Follow-up light-shield positioning frame is formed after descending upper image-taking port and carries out light-shield limiting.This device can consider brake pad stable support, up and down vision detection and automatic sorting, compact structure, and high detection stability.

The invention relates to a nondestructive testing technology of electrical equipment, and discloses an infrared detection device for cracks of an electrical tube, which comprises a support plate, a closed detection camera obscura, a rotary moving mechanism, an infrared imaging unit and an active infrared lighting unit, and is also provided with an infrared light source intensity real-time adjusting system, the system integrates an environment state evaluation module, a system state evaluation module, an adaptation evaluation module and a motion state evaluation module, and can sense multi-dimensional parameters such as environment light intensity, air suspended matter concentration, light source working temperature, optical window transmissivity, production line operation speed and pipeline rotation angular velocity in real time; and the infrared illumination intensity is dynamically adjusted by integrating the average gray scale of the image and the target feature contrast ratio. According to the invention, intelligent self-adaptive control of the infrared light source in a complex and changeable production environment is realized, the image quality stability and the accuracy and reliability of crack detection are effectively improved, and the method is suitable for full-automatic online nondestructive detection in large-scale production of power tubes.

The utility model discloses a bearing anti-corrosion device, which relates to the technical field of bearing anti-corrosion, and comprises an isolation cover body, a push rod, an oil delivery pipe and a chassis, the isolation cover body is a semitransparent cylinder, the top of the isolation cover body is driven by an air cylinder through the push rod to move downwards to be in close contact with a separation gasket on the chassis, the push rod is connected with the oil delivery pipe, and the oil delivery pipe is connected with the chassis. The bottom end of the oil conveying pipe is connected with the camera obscura. A separation gasket and a rotating base are installed on the chassis. The rotating seat is arranged on the base plate, the rotating seat is connected with the threaded rod, the multiple hanging pieces can be rotationally connected to the threaded rod, space is provided for hanging the bearing pieces in batches, meanwhile, the rotating seat drives the threaded rod and the hanging pieces to rotate, and the purpose that the hung bearing pieces in batches can rotate along with the rotating seat is achieved. The oil spraying area in the isolation cover body is increased, oil spraying treatment is more uniform, and compared with traditional extrusion smearing type treatment, atomization oil spraying treatment in the isolation cover body can save more materials and reduce smearing dead angles.

The invention relates to a dredged soil precipitation characteristic measuring device based on illumination. Comprising a light-proof camera obscura, the right side of the light-proof camera obscura is open, an LED lighting source is installed on the left portion of an inner cavity of the light-proof camera obscura, and a plurality of light-proof partition plates which are longitudinally arranged at equal intervals are arranged on the right portion of the inner cavity of the light-proof camera obscura from top to bottom; a cuboid-shaped glass measuring cylinder with an opening in the top is placed in front of the light-proof dark box, light-proof films are arranged on the front wall and the rear wall of the glass measuring cylinder, light-transmitting cloth is arranged on the right side wall of the glass measuring cylinder, a plurality of dividing lines are arranged on the light-transmitting cloth from top to bottom, and the dividing lines transversely face the light-proof partition plates; the device further comprises a light-proof top plate assembly, the light-proof top plate assembly comprises a top plate, and the top plate is flush with the upper edge of the light-proof pasting film when placed in the inner cavity of the glass measuring cylinder. And an illuminometer is also included. The invention further relates to a measuring method. The sediment characteristic index of the dredged soil can be conveniently and effectively measured, and a basis is provided for effectively predicting the loading production efficiency of the trailing suction dredger.

The invention relates to the technical field of animal behavioral research, in particular to a behavioral detection device for detecting the motion coordination ability of a mouse. The device comprises a transverse ladder runway, a rectangular baffle, a cuboid support, a cuboid camera obscura, a rectangular tray, a supporting rod, a camera and a lamp. The transverse ladder runway is composed of metal bars and metal wires, and is convenient for mice to climb. The rectangular baffles are arranged on the two sides of the runway and are beneficial to limiting the mice from climbing towards the side faces and guiding the mice to climb along the runway, the cuboid supports are installed below the two ends of the runway to enhance the stability of the runway, the cuboid camera obscura and the lamp are placed on the supports at the two ends of the runway respectively, and the mice are guided to move unidirectionally through the darkness tendency instinct of the mice. The camera is placed on the side of the runway and records mouse movement images for subsequent analysis. The device is simple in structure, sensitive and effective in mouse movement coordination ability determination, and capable of detecting multiple behavior indexes, so that the experiment efficiency is remarkably improved.

The utility model discloses a microwave camera obscura with a built-in intelligent shielding adjusting structure, and relates to the technical field of microwave camera obscura, the microwave camera obscura comprises a microwave camera obscura body, the top of the microwave camera obscura body is provided with a conical microwave darkroom, one side of the front side of the microwave camera obscura body is hinged with a door plate, two sides of the microwave camera obscura body are both provided with pressing plates, and the pressing plates are arranged on two sides of the microwave camera obscura body. Buffer pieces are fixedly connected to two sides of the microwave camera obscura body; the buffer piece comprises fixing frames and positioning plates, the fixing frames are fixed on the two sides of the microwave camera obscura body, and the positioning plates are fixed on the front side and the rear side of one side of the microwave camera obscura body. The microwave camera obscura has the beneficial effects that the two sides of the microwave camera obscura can be protected by matching the buffer pieces with the pressing plates, direct collision of the microwave camera obscura during accidental collision is reduced, the arrangement of the pressing rods, the pressure sensors and the buzzers is matched, and when the pressing plates are pressed to a certain degree, an alarm is given, so that the microwave camera obscura is prevented from being collided, and the service life of the microwave camera obscura is prolonged. And an operator is prompted to take intervention measures in time.

The invention discloses an insect situation monitoring device with an overturning insect sticking plate and a uniform light illumination structure, and belongs to the field of intelligent monitoring of agricultural diseases and insect pests. The device comprises a support, a power source, a main control box and a photovoltaic panel, a turnover insect sticking plate mechanism is arranged on one side of the main control box, ultraviolet light sources are arranged on the upper portion and the lower portion of the main control box respectively, and day-night composite insect trapping is achieved. A camera is arranged in the main control box, a lens of the camera is provided with a light-equalizing cover, and a light-equalizing illuminating system surrounds the outer side, so that light reflection on the surface of the sticky card is effectively inhibited, and image quality is improved. The insect sticking plate is controlled by the steering engine to turn over regularly, so that the insect sticking surface is switched between the insect trapping position and the shooting position, the shooting process is completed in the camera obscura, and external light interference is avoided. The device is powered by solar energy, integrates an embedded main control board and a wireless communication module, realizes image acquisition, processing and remote uploading, supports all-weather automatic insect situation monitoring, is suitable for field environments such as farmlands and greenhouses, and has the advantages of being good in insect trapping effect, clear in image, stable in operation and flexible in deployment.

The invention discloses a wind and snow scene simulation device and method for ADAS system hardware-in-the-loop test, and relates to the field of vehicle testing, and the method comprises the steps: S1, starting a real-time system, and operating a virtual vehicle dynamics model; s2, starting a graphic workstation, operating scene rendering software, and transmitting a scene picture to a display screen in the video camera obscura through an HDMI (High Definition Multimedia Interface); s3, verifying the validity of the two-way communication between the real-time system and the scene rendering software; s4, accessing the tested camera part to the system, and ensuring that the CAN bus communication is normal; s5, closed-loop test verification is carried out, and it is confirmed that the perception and planning decision function of the tested camera is normal; and S6, starting the snow scene simulation device, and executing a wind and snow scene test. According to the method, the test requirements of the ADAS in severe weather such as heavy snow are covered through accurate simulation of the wind and snow scene in the HIL stage, the ADAS algorithm can accept extreme scene verification in the initial development stage, and the integrity of the test scene is expanded.

The utility model discloses a multispectral bamboo quality detection system, including frame, feeding unit, light source unit and multispectral camera unit, the frame is provided with camera obscura structure, the feeding unit is provided on the frame and located in the camera obscura structure, the image acquisition area is provided on the feeding unit, the light source unit is provided on the frame, and the multispectral camera unit is provided on the frame and located in the camera obscura structure. And the multi-spectral camera unit is arranged in the camera obscura structure and located above the feeding unit, and the multi-spectral camera unit is arranged on the rack, located at the center of the top of the camera obscura structure and located over the image acquisition area. The bamboo quality evaluation device can effectively solve the problems that quality evaluation before bamboo processing mainly depends on manual work and bamboo bending is not easy to detect at present.

According to the crop detection camera obscura based on the imaging hyperspectrum, a box body is vertically arranged in the left-right direction, an opening is formed in the front side face of the box body, and a box door is vertically arranged in the opening in the left-right direction and used for opening and closing the opening; the lifting device is arranged on the inner bottom face of the box body, the storage platform is horizontally arranged on the lifting device in the left-right direction, the lifting device is used for lifting the storage platform, and the hyperspectral camera is arranged in the top of the box body, located above the storage platform and arranged towards the storage platform; the light supplementing lamps are arranged in the box body, the multiple light supplementing lamps are located on the outer side of the upper portion of the storage platform, horizontally surround the upper portion of the storage platform and are arranged at intervals, and the light supplementing lamps incline downwards and face the storage platform. The device can perform crop detection based on imaging hyperspectrum, is accurate and reliable in detection, is suitable for detection targets with different shapes and different sizes, and is wide in application range.