56 results about "CMOS sensor" patented technology

The invention relates to a dual-core heterogeneous CMOS drive circuit of a micro spectrometer in the technical field of spectrum detection and integrated circuit design, which comprises a dual-core heterogeneous main control chip, a drive chip, an AD acquisition chip, a built-in algorithm module and a data interface module, and is characterized in that the dual-core heterogeneous main control chip comprises an ARM core and an FPGA core; the ARM core converts an instruction sent by main control equipment into a standardized control signal, the FPGA core receives the control signal output by the ARM core and generates a driving time sequence signal, and the driving chip drives the CMOS sensor to output a video signal; the AD acquisition chip is driven to carry out data acquisition on video signals, original analog signals in the video signals are converted into digital signals to obtain original data of a spectrum, the ARM core packages the original data and transmits the original data to the built-in algorithm module, and a detection result report is generated. And the ARM core transmits the original data and the detection result report back to the main control equipment through the data interface module.

A circuit, such as that of a CMOS sensor, is described, having individually addressable transfer transistors and individually addressable reset transistors. Through these individually addressable transistors, pixels of the same or different sizes and / or the same or different exposure times within different regions of interest can be efficiently processed. Different regions of interest can be exposed simultaneously and read out independently.

The present application relates to the technical field of image sensor calibration, and particularly relates to a processing method and system of a hybrid event and frame sensor, computer equipment and a medium; the method comprises the following steps: acquiring original data of the hybrid event and frame sensor; performing a noise calibration operation on an intensity frame to generate an active pixel sensor noise model and a net intensity signal; performing an event probability coupling operation on an event stream to generate an event visual sensor event probability model; and performing unified collaborative processing on the active pixel sensor noise model and the event visual sensor event probability model to output uniformly calibrated sensor data. In this way, a unified and reproducible cross-modal calibration framework can be provided to solve the technical problems of existing calibration technologies, such as weak physical coupling, insufficient calibration granularity and black box implementation, and to provide a unified, reproducible and high-precision sensor data calibration output for high-speed and high-dynamic-range mobile perception applications.

The invention provides eye adjusting equipment integrating eyelid opening, fundus photography and a data port, and belongs to the technical field of intelligent medical wearable equipment. The equipment comprises a glasses frame main body, a non-invasive eyelid opening mechanism, a high-resolution fundus photographing module, diopter-adjustable lenses, a data processing unit and a wired and wireless data port. The eyelid opening mechanism adopts a medical silica gel flexible opening sheet and a push rod, so that safe and automatic eyelid separation is realized; the fundus photographing module supports clear imaging at a field angle of 30-50 degrees based on infrared illumination and a CMOS sensor, and has pupil tracking and automatic focusing functions; the built-in electric control zoom lens can dynamically adjust the diopter from 6.0 D to + 4.0 D. The problems that existing fundus examination equipment is large in size, complex to operate, serious in eyelid shielding, unable to use and the like are solved, and the fundus examination equipment has remarkable clinical application value and industrialization prospects.

This invention discloses a method for correcting image distortion in a miniature microscope based on optical simulation and displacement field driving, comprising the following steps: establishing an optical model of the miniature microscope, performing field curvature analysis, and generating a grid distortion map; extracting distortion data from sampling points and converting coordinate values ​​to pixel units according to the pixel size of the CMOS sensor; constructing a continuous displacement field covering the entire image using an interpolation algorithm based on the discrete sampling point data; performing geometric correction on the distorted image based on the displacement field, specifically including: correcting the original distorted image to a geometrically correct image based on the displacement field, employing an inverse mapping strategy, for each pixel position in the corrected image, querying its corresponding position in the original distorted image, and resampling; and evaluating and visualizing the correction results. This invention improves the accuracy of image distortion correction and enhances the imaging quality of the miniature microscope.

The application discloses an online proton imaging ion spectrometer diagnosis system, relates to the fields of plasma physics and nuclear detection, and comprises an online proton imaging module, an online Thomson ion spectrometer module and a shielding aiming module; the shielding aiming module comprises a shielding cavity and an aiming laser pen; the online proton imaging module comprises a metal filter, a first scintillator and two proton imaging acquisition assemblies; the proton imaging acquisition assembly comprises a first optical fiber panel attached to the first scintillator and a first CMOS sensor attached to the first optical fiber panel; the online Thomson ion spectrometer module comprises an ion beam deflection mechanism and an ion spectrum diagnosis acquisition assembly; the ion spectrum diagnosis acquisition assembly comprises a light-proof aluminum film, a second scintillator, a second optical fiber panel and a second CMOS sensor which are sequentially and superposedly arranged. The application reduces the size of the whole system, can simultaneously carry out online proton imaging and ion energy spectrum diagnosis, and can effectively prevent radiation damage to the CMOS chip.

A CMOS sensor (10) comprises an active substrate (100) and photodiodes (105). The photodiodes (105) are arranged on one side of a first main surface (102) of the active substrate (100). One terminal of the photodiodes (105) is electrically coupled via the active substrate (100) to a ground line (109), which is electrically coupled to a ground terminal (104), and the ground line (10) is located adjacent to a second main surface (103) of the active substrate (100).

The invention discloses a low-coherence interference microstructure rapid measurement method based on an FPGA, and the method comprises the steps: enabling the FPGA to respectively receive image data and single-point light intensity data collected by a CMOS sensor and a photoelectric detector, and transmitting the two types of data to an FPGA chip internal memory; a parallel pipeline architecture of the FPGA is designed, so that interference pattern contrast can be calculated in real time and displacement point-by-point calculation can be completed while a series of image data and photoelectric detector interference analog signals are received, and the processing efficiency is remarkably improved; and calculating the position of an interference envelope peak value by adopting a gravity center method, completing three-dimensional shape detection of the microstructure, and realizing three-dimensional shape reconstruction. According to the method, the processing speed of low-coherence interference measurement can be effectively increased, the microstructure morphology can be restored at a high speed, and online detection application of low-coherence interference in the fields of semiconductor packaging, lithium battery manufacturing, ultra-precision machining and the like is facilitated.

An image sensor package includes an image sensor chip including an active pixel sensor region including a plurality of unit pixels, a perimeter region, and a pad region and including a plurality of chip pads. The image sensor package also includes a printed circuit board under the image sensor chip and including a plurality of bonding pads, bonding wires connecting the plurality of chip pads to the plurality of bonding pads, respectively, and a bonding dam around the active pixel sensor region. The image sensor package also includes a cover glass on the bonding dam and above the image sensor chip, and an encapsulation layer to cover all of a side surface portion of the bonding dam, a side surface portion of the cover glass, and an edge portion of an upper surface of the printed circuit board. The perimeter region includes a plurality of block patterns separated from each other. The plurality of block patterns confine the bonding dam during fabrication and reduce thermal stress when the image sensor package is in use.

The utility model belongs to the field of photoelectric sensor manufacturing, and particularly relates to a light sensor facilitating CMOS position adjustment, which comprises a hollow U-shaped shell, an opening of the U-shaped shell is parallel to a plane where a U shape is located, and two U-shaped inner side walls of the U-shaped shell are respectively provided with a light outlet and a light inlet. The axis of the light outlet and the axis of the light inlet are both parallel to the U-shaped bottom wall of the U-shaped shell, a light-emitting lamp panel is arranged in one U-shaped leg of the U-shaped shell, a plane mirror, a CMOS sensor and a convex lens are arranged in the other U-shaped leg of the U-shaped shell, and the convex lens is located between the plane mirror and the CMOS sensor. Light emitted by the light-emitting lamp panel enters the light inlet from the light outlet and then can penetrate through the convex lens to reach the CMOS sensor, the side, back on to the convex lens, of the CMOS sensor is connected with the inner side wall of the U-shaped shell through a spring, and the CMOS sensor can be fixed in the U-shaped shell through the fixator. The problem that the assembling efficiency is low is solved.

A robot eye and two different eye tracking systems may be used in tandem to determine the accuracy of eye tracking software that is used as part of one of the eye tracking systems. If inaccurate, the eye tracking software may then be adjusted in response. In various example embodiments, a camera may be used in one of the eye tracking systems to then track movement of the robot eye using the eye tracking software itself. Also in various example embodiments, the other eye tracking system may include components such magnetic sensors, optical sensors like CMOS sensors, and / or lasers for tracking the same movement of the robot eye.

A CMOS sensor pixel (10) comprises a photosensitive element (100), a reset transistor (105) and a source follower (110). A terminal of the photosensitive element (100), a gate terminal (111) of the source follower (110) and a terminal of the reset transistor (105) are electrically coupled to a node (102). The CMOS sensor pixel (10) further comprises a cascode transistor (114) arranged between the photosensitive element (100) and the node (102), and a biasing circuit (118) configured to change a gate voltage to be applied to a gate terminal (115) of the cascode transistor (114) during an activation time of the CMOS sensor pixel (10).

The utility model discloses a broadcast level 4 / 3 type CMOS (Complementary Metal-Oxide-Semiconductor Transistor) sensor camera, which comprises a mounting seat, a horizontal cradle head horizontally rotating relative to the mounting seat, a vertical cradle head vertically rotating relative to the horizontal cradle head, and a camera arranged on the vertical cradle head, video output interfaces used for being connected with display equipment and a control interface used for being connected with control equipment are arranged on the mounting seat, and the video output interfaces comprise two 3G-SDI interfaces, an HDMI interface and a first IP network interface; the camera comprises three independent 4 / 3 type CMOS sensors, an optical zoom lens and an image processor. The broadcast-level 4 / 3 type CMOS sensor camera provided by the utility model has abundant video output interfaces, supports 3G-SDI, HDMI and IP networks, is universal for most of high-definition display equipment in the market, and can provide broadcast-level image quality images.

The invention discloses a high-dynamic-range imaging CMOS camera based on a K7 gigabit network. The high-dynamic-range imaging CMOS camera comprises a camera shell 9, and a high-dynamic-range imaging CMOS camera body is installed in the camera shell 9. The CMOS camera body comprises a CMOS sensor chip 1, an FPGA (Field Programmable Gate Array) programmable logic device 2, a DDR3 (Double Data Rate 3) high-speed memory 3, a FLASH memory chip 4, a gigabit Ethernet interface 5, a GPIO (General Purpose Input / Output) isolation interface 6 and a power supply module 7. The FPGA chip receives high-gain and low-gain 2048 * 2048 resolution image data from the CMOS sensor chip at the same time, data caching is carried out through the DDR3 high-speed memory, high-dynamic-range image synthesis is completed in real time, images with 46 frames per second (the resolution is 2048 * 2048) and the dynamic range reaching 70.3 dB are output through the gigabit Ethernet interface, and working parameters of the camera can be configured through a computer.

This invention relates to a method for controlling the laser line length in microscopic visual inspection based on parametric calculation, belonging to the field of optical microscopic inspection technology, and includes: inputting the target laser line length L. lim The process involves: parameter calculation; adjusting the position or parameters of the cylindrical lens, convex lens, and objective lens to match the calculation results; optical path transmission: the light source emits a collimated laser, which passes sequentially through the cylindrical lens (focusing in the Y direction), the convex lens (adjusting the divergence angle in the X direction), and the objective lens (focusing on the sample surface); real-time detection: a CMOS sensor detects the actual generated laser line length and spot shape; error judgment: determining whether the actual line length meets the target line length error range (<2%): if yes, the final parameter combination and optical path configuration are output, and the process ends; if not, feedback is sent to the parameter calculation module for dynamic fine-tuning of parameters and readjustment of optical components. This invention can improve the accuracy of laser line length in scenarios such as semiconductor defect detection and biological microscopy imaging.

An event-guided auto-exposure (EG-AE) device leverages the high dynamic range and low latency properties of a dynamic vision sensor to guide the exposure setting of an active pixel sensor. The method utilizes physical connections of images and events to estimate the irradiance variations, which are fed into the EG-AE device for calculating the exposure setting. The method shows outstanding performance in tackling highly challenging lighting conditions and benefits multiple downstream applications, including visual tag detection and feature matching.

Event-based sensor systems and method for operating event-based sensor systems are disclosed. A sensor system includes an array of sensor elements arranged in columns and rows, wherein each sensor element in the array of sensor elements includes, a detector circuit, an active pixel sensor (APS) circuit, and a dynamic vision sensor (DVS) circuit, the DVS circuit including an event trigger switch configured to control application of a signal on an event trigger line in response to a pixel-specific event trigger signal.

The invention discloses a method for realizing light sensation based on a CMOS sensor, a storage medium and electronic equipment, and relates to the technical field of light sensation processing detection, the method comprises an application layer and a detection layer, the application layer is used for generating a light sensation instruction, and the detection layer is used for executing the light sensation instruction. When the camera group is used for replacing a light sensing chip to obtain the environment light sensing value, when the environment light sensing value needs to be obtained and video / photographing and other operations need to be carried out, the environment light sensing value can be normally obtained through the camera group, and meanwhile the video / photographing and other operations can be carried out. And the environment light sensation value can be independently obtained, and video / photographing and the like are not influenced. Therefore, the defect that the light sensation detection regulation and control cannot be carried out when the camera module is occupied in the prior art is effectively solved.

The invention discloses a photoluminescence life information acquisition method and device based on a rolling shutter CMOS, and belongs to the field of photoluminescence life detection and imaging. According to the method, line time signals of the camera are creatively utilized, and the excitation light source is directly controlled by grouping the line time signals and performing accurate intra-frame or inter-frame phase modulation on the line time signals, so that time sequence information (attenuation luminous intensity) is coded into the inherent space (line position) or time sequence (frame sequence) dimension of the CMOS camera; high-speed life detection can be achieved only through single-frame collection, or full-frame life imaging is achieved through multi-frame collection, under the condition that no mechanical shutter or expensive external time gating device is needed, the system cost is reduced to the minimum, meanwhile, high time resolution which is difficult to reach by a traditional low-cost CMOS scheme is achieved, and the system performance is improved. The problem that low cost, high measurement rate and high time resolution cannot be considered at the same time in the field for a long time is solved.

The utility model provides an intelligent connecting device for a flexible flat cable, which comprises an FFC connector body, an auxiliary plate is additionally arranged at the interface of the FFC connector body, a laser transmitter, a graduated scale, a CMOS sensor and a control box are arranged on the auxiliary plate, an embedded processor and a battery power supply module are arranged in the control box, and a three-color LED indicating lamp is arranged at the top of the control box. According to the technical scheme, alignment precision is achieved through laser datum lines and high-precision image detection, compared with manual operation, errors are reduced, three-color light is fed back in real time to guide operators to conduct rapid adjustment, meanwhile, the auxiliary plate rapid disassembly design is matched with the mainstream FFC connector model, the reject ratio can be reduced without equipment modification, and the production efficiency is improved. And the production efficiency and the quality consistency are obviously improved.

The utility model relates to a TOF module based on a metasurface and a sweeping robot, and belongs to the field of optical devices.The TOF module comprises a transmitting end and a receiving end, and the transmitting end and the receiving end are located at the same horizontal position and placed at intervals; the transmitting end comprises a light source and a metasurface projection device; the receiving end comprises a CMOS sensor and a metasurface receiving device. According to the invention, the collimation and beam splitting functions of the VCSEL light source are realized at the same time by using the single metasurface, and the dot matrix projection function of the TOF module transmitting end in the sweeping robot can be realized.

The invention relates to a CMOS sensor pixel calibration method, device and system and a storage medium, and the method comprises the steps: collecting pixel image data outputted by a CMOS sensor under a dark field condition, and calculating the dark field deviation value of each pixel according to the pixel image data; initial pixel response values of the CMOS sensor under multiple reference illumination intensities are collected, pixel compensation is carried out on the initial pixel response values based on the dark field deviation values, and a net response data sequence is obtained; performing second-order differential analysis on the net response data sequence to obtain response section data and division boundary data; and carrying out pixel correction fitting on the division boundary data and the response section data to obtain a pixel correction parameter set. According to the invention, spatial correlation noise caused by inconsistent manufacturing processes can be effectively eliminated, and the imaging uniformity of the sensor under uniform illumination is remarkably improved.

The present application relates to a kind of based on super wide spectrum and evidence image atlas integration intelligent inspection system, belong to intelligent trace detection technical field.Wherein, the system includes: through the continuous spectral image of evidence in 400nm-1000nm wave band by hyperspectral image acquisition unit acquisition, based on spectral camera completes spectral data acquisition, by the fusion output evidence atlas integration data set of preprocessed data;Through short-wave infrared hyperspectral acquisition unit acquisition evidence in 1000nm-2500nm wave band hyperspectral data, based on motor-driven interferometer moving mirror movement, different wavelength short-wave infrared light interference occurs and forms interference chart, interference chart is handled and exports evidence short-wave infrared atlas;Through full-spectrum image acquisition unit acquisition evidence in 20nm-2500nm wave band wide spectrum image, CMOS sensor receives the full wave band light reflected by evidence, capture color information and the infrared reflection difference of material, generate evidence full-spectrum image after processing.It realizes the high sensitivity, high accuracy, high efficiency, high traceability of evidence inspection.

The application discloses a handheld PBG test strip detection device, which comprises a detection shell, a detection part and a detection seat, the detection shell comprises an upper shell and a lower shell, the detection part is arranged in the upper shell, the detection part comprises a support plate fixed to the top of the inner wall of the upper shell, a plurality of CMOS sensors are embedded and arranged in the middle of the support plate, lamp sources are fixedly arranged on the two sides of the support plate, the detection seat is slidably arranged in the lower shell, a driving part is fixedly arranged in the lower shell and used for driving the detection seat to slide out of the lower shell and slide into the lower shell, a test strip insertion hole is formed in the detection seat, a negative pressure fixing hole is formed in the bottom of the test strip insertion hole, a fan is arranged on one side of the detection seat and used for fixing the test strip through negative pressure and blowing and heat dissipation, and a cover plate is rotationally connected to one side of the lower shell and corresponds to the position of the detection seat, and finally, the application has the advantages of convenient operation, difficulty in loosening of the test strip, accuracy in detection, convenience in heat dissipation, good dustproof effect and high connection stability.

The invention discloses a laser sensor for a rotary 3D profile measurement system, and belongs to the technical field of 3D profile measurement sensors. Comprising a cavity seat, a detection module is fixed on the inner side of the cavity seat, the detection module comprises a laser emission module, an included angle execution module, a light path folding module, an imaging module and a signal processing module, the laser emission module comprises a laser semiconductor and a focusing lens, and the included angle execution module comprises an angle adjusting unit. An angle-adjustable reflecting mirror is fixed at the angle adjusting end of the angle adjusting unit, the angle-adjustable reflecting mirror is arranged on a light emitting path of the focusing lens, and the signal processing module is electrically connected with the linear array CMOS sensor. According to the laser sensor for the rotary 3D profile measurement system, the requirements of the three-dimensional profile measurement system for measurement in different height ranges and efficient detection of multi-welding-seam characteristics under different measurement distances are met while it is guaranteed that the diameter of a rotary scanning circle is adjustable along with the distance and the size is compact.

Multipixel sensors using color filters formed of materials compatible with a CMOS process, where the filters have respective bandpass ranges of no more than 40 nm FWHM centered at respective wavelengths in the 400-900 nm range and 50% or more light transmission on a silicon wafer.

The invention relates to a low-illumination image processing system of a night vision device and a control method thereof, the low-illumination image processing system comprises a CMOS sensor, a control unit and a processing unit, the control unit receives detection data from the CMOS sensor and configures mark values used for switching different working modes, and the mark values comprise a first mark value and a second mark value; the working mode comprises a normal working mode and an ultra-low noise working mode; a maintenance area is arranged between the first mark value and the second mark value; and the processing unit is provided with an image processing module for providing image processing for the working mode. The system has the following beneficial effects: by setting a plurality of mark values, the control unit switches and executes different working modes according to different parameters of the system; the maintenance area is arranged between the first mark value and the second mark value, and when the parameters fluctuate in the maintenance area, the equipment maintains the current working mode, so that frequent switching of the working mode caused by fluctuation of the parameters of the system near a critical point is reduced, and the equipment runs smoothly and stably.

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.

The invention relates to the technical field of spine minimally invasive surgeries, in particular to a depth-limiting adjustable spine endoscope visible trephine which comprises a trephine end rod, a limiting sleeve is slidably connected to the outer portion of a guide lead screw, a meshing rack layer is arranged on the outer side of the trephine end rod, a locking piece is movably installed on the outer side of the limiting sleeve, and a locking piece is movably installed on the outer side of the locking piece. The inner side of the pipe groove base is rotationally connected with a threaded lead screw, and the outer side of the threaded lead screw is in threaded connection with an endoscope set. According to the depth-limited adjustable spinal endoscope visual trephine, the limiting sleeve is driven by the meshing gear to move axially, and the insertion depth can be accurately preset; the locking screw and the gear inner thread layer are locked and fixed, the lowering depth of the endoscope can be adjusted through the thread lead screw, the cold light source light supplementing lamp and the high-definition CMOS sensor are matched, the cutting progress, the trephine position and the peripheral nerve state are fed back in real time, and directional collection of bone scraps is achieved by designing the material collecting gap between the trephine end rod and the through pipe and the annular material collecting box.