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251 results about "Light exposure" patented technology

Intelligent enhancement method and system for brightness of LED light-emitting module

The invention relates to the technical field of intelligent illumination control, and discloses an intelligent enhancement method and system for the brightness of an LED light-emitting module, and the method comprises the steps: collecting environment illumination data and LED module operation state data, and carrying out the preprocessing; acquiring cultural relic material information, performing exhibit change detection, determining an illumination constraint threshold, calculating effective illumination and tracking accumulated exposure; determining an illumination safety boundary and dynamically modulating an LED spectrum; performing hierarchical coordination by adopting a three-layer game decision framework; a three-dimensional light field representation framework is constructed through audience behavior perception and visual attention prediction, and space illumination optimization is carried out; environment sudden changes and audience behaviors are detected, and quick response adjustment is executed; analyzing lighting space-time distribution characteristics, performing dynamic power distribution and generating an intelligent dimming curve; according to the invention, environmental perception, cultural relic protection constraint, light attenuation compensation, multi-module cooperation and intelligent decision can be comprehensively considered.
Owner:HUBEI XIEJIN SEMICON TECH CO LTD

Image processing method and device, equipment, storage medium and program product

The invention relates to the technical field of image processing, and particularly provides an image processing method and device, equipment, a storage medium and a program product. The method comprises the following steps: acquiring original RAW domain images of different exposures of a current scene in a night scene mode; carrying out RGB domain reconstruction on the original RAW domain image based on the plurality of RAW domain channels, and determining a normalized fusion weight map; the normalized fusion weight map comprises a first normalized fusion weight map of a normal exposure image and a second normalized fusion weight map of a short exposure image; based on the first normalized fusion weight map and the second normalized fusion weight map, sequentially performing pyramid fusion and RAW domain reconstruction on the normal exposure image and the short exposure image on each RAW domain channel to obtain a reconstructed image of each RAW domain channel; and recombining the reconstructed images of the plurality of RAW domain channels to obtain a target RAW domain image of the current scene. According to the invention, more night scene image information can be reserved, the calculation efficiency is high, the fusion effect is more natural, and the quality of night scene photographing is improved.
Owner:SPREADTRUM COMMUNICATION (SHANGHAI) CO LTD

Image acquisition method and device, equipment, storage medium and program product

PendingCN121309976AImaging qualityRadiology
The invention relates to an image acquisition method and device, equipment, a storage medium and a program product. The method comprises the following steps: determining brightness characteristics of a preview image displayed in a viewing frame of image acquisition equipment; inputting the brightness characteristics into an exposure compensation model to obtain a target compensation proportion; performing exposure compensation on exposure parameters of the image acquisition equipment according to the target compensation proportion; and in response to an image acquisition instruction, performing image acquisition on the preview image according to the exposure parameter after exposure compensation to obtain a target image. By adopting the method, the accuracy of the exposure quantity adopted during image acquisition can be improved, so that the adaptability of the brightness of the acquired image and the ambient brightness is improved, and the image quality is further improved.
Owner:SPREADTRUM COMMUNICATION (SHANGHAI) CO LTD

Image measurement method for adaptive illumination adjustment

PendingCN121397375AImage analysisTelevision systemsLight-adaptedReference image
The invention discloses a self-adaptive illumination adjustment image measurement method, and belongs to the technical field of image measurement. According to the method, adaptive adjustment is carried out on hardware and a related algorithm simultaneously according to environment illumination changes, the exposure amount of an image is changed by adjusting the exposure time of a camera on the hardware, and exposure adjustment is used for ensuring that the gray level distribution of an image sequence obtained by the camera in an interested area is consistent with that of a reference image as much as possible in the measurement process. Exposure adjustment of a camera is global adjustment for an image, and overexposure or underexposure pixel points still possibly appear in a local area of the image. Therefore, an illumination robust digital image correlation algorithm is provided, the gray level distribution of the sub-regions is adjusted in real time during correlation calculation, the registration precision of the sub-regions is improved by removing saturated pixels in the sub-regions, the sizes of the sub-regions are adaptively adjusted according to illumination changes, it is ensured that the sub-regions contain enough and rich gray level information, and the registration precision of the sub-regions is improved. And the robustness of a related algorithm in suppressing illumination interference is improved.
Owner:CHANGSHA UNIVERSITY OF SCIENCE AND TECHNOLOGY

Automatic exposure control method and device and electronic equipment

The embodiment of the invention provides an automatic exposure control method and device and electronic equipment, and relates to the technical field of image processing. The method comprises the steps that when it is detected that the shooting environment of a first camera changes, the exposure parameter of the first camera is adjusted according to the first exposure adjustment amplitude, and the exposure parameter of a second camera is adjusted according to the second exposure adjustment amplitude; the second exposure adjustment amplitude is greater than the first exposure adjustment amplitude; when the brightness of a second image acquired by the second camera is in a second target brightness stable interval, determining a first exposure amount required by the first camera according to the brightness of the second image at the current moment and the exposure amount of the second camera; and according to the first exposure quantity, adjusting an exposure parameter of the first camera, so that the brightness of a first image acquired by the first camera is in a first target brightness stable interval. According to the technical scheme provided by the embodiment of the invention, the convergence speed of the exposure parameter of the first camera can be improved.
Owner:SPREADTRUM SEMICON (NANJING) CO LTD

Automatic image exposure method and device, terminal and storage medium

The invention provides an image automatic exposure method and device, a terminal and a storage medium. The image automatic exposure method comprises the following steps: acquiring a first image, a second image and exposure parameters of the first image and the second image; respectively carrying out a preset number of Gamma transformations on the first image and the second image to obtain a first type of images and a second type of images; determining brightness information entropies of the first type of images and the second type of images with the same transformation parameter and a first transformation parameter corresponding to the maximum brightness information entropy; determining a first update exposure based on the exposure parameter and the first transformation parameter of the first image, and determining a second update exposure based on the exposure parameter and the first transformation parameter of the second image; a joint exposure amount is determined based on the first updated exposure amount, the second updated exposure amount, a first brightness mean value of the first image, and a second brightness mean value of the second image. The method can improve the feature richness of input images of algorithms such as feature matching and depth estimation, and further improves the quality of the algorithms.
Owner:BEIJING ZITIAO NETWORK TECH CO LTD

A photobiomodulation method and device based on outdoor tracking

PendingCN122643593AEngineeringLight exposure
The application provides an outdoor tracking-based photobiomodulation method and device. The method comprises: determining effective outdoor time of a user according to collected light exposure data of the user; determining a light compensation level of the user according to the effective outdoor time and a target effective outdoor time; determining photobiomodulation parameters and simulated light compensation parameters according to the light compensation level; when the user is in a specified light compensation scene, outputting artificial light simulating outdoor natural light characteristics according to the simulated light compensation parameters; and performing photobiomodulation on the user according to the photobiomodulation parameters, preset wavelength red light and near-infrared light. The application can achieve the purpose of a comprehensive system that comprehensively simulates outdoor light environment characteristics and integrates photobiomodulation, and provides a more complete solution for myopia prevention and control.
Owner:BEIJING AIRDOC TECH CO LTD +1

An intelligent wake-up method, an intelligent control system, an electronic device, and a storage medium

This invention provides an intelligent wake-up method, an intelligent control system, an electronic device, and a storage medium. The intelligent control system includes at least a control module and an LED light panel. The LED light panel is equipped with an LED light source module. When the wake-up conditions are met, the control module controls the color temperature of the LED light source module to be equal to a color temperature threshold during the wake-up period. The color temperature threshold is configured based on color temperature-emotion evaluation data. During the wake-up period, the control module controls the output power of the LED light source module to change linearly with time, causing the illuminance of the LED light panel to change from dark to bright, simulating the sunrise process, thereby waking up the user. The difference between the integral of the LED light panel's illuminance over time and the eye exposure threshold is within a preset range. The eye exposure threshold is configured using eye exposure data, arousal evaluation data, and sleep quality data.
Owner:CHINA AGRI UNIV +1

Circulating agricultural planting frame for agricultural planting

The utility model belongs to the technical field of agricultural planting, and particularly relates to an agricultural planting circulating type agricultural planting frame which comprises a shell and two planting frame bodies, an adjusting assembly is arranged in the shell, ejection assemblies are arranged in the two planting frame bodies, and through holes are formed in the ends, away from each other, of the two planting frame bodies; the adjusting assembly comprises a servo motor installed at the bottom end of the shell, an output shaft of the servo motor is provided with a driving bevel gear, two guide holes are formed in the bottom wall of an inner cavity of the shell, and guide blocks are slidably connected into the two guide holes. Through the arrangement of the adjusting assembly, the two planting frame bodies can be adjusted out of the outer side of the shell, so that illumination, watering and the like are facilitated, the planting frame bodies are contained in the shell, shading is facilitated, and the planting flexibility is improved; and through the arrangement of the ejection assembly, the plants planted in the planting frame body can be ejected out, so that the purpose of facilitating transplanting is achieved, and the planting flexibility is improved.
Owner:JIANGXI LIYUAN AGRI TECH DEV CO LTD

Automatic exposure method and system for X-ray flaw detector

The invention relates to the technical field of defect detection, and discloses an automatic exposure method and system for an X-ray flaw detector, and the method comprises the steps: firstly obtaining a three-dimensional model of a workpiece, and calculating the equivalent thickness of the workpiece, the source image distance, the normal included angle of the inner wall, the directional attenuation of an X-ray source and other characteristic functions along with the change of a circumferential angle in combination with preset X-ray projection geometry; then obtaining a linear attenuation coefficient of the material under effective energy through energy calibration, and setting a target comparison noise ratio and a defect equivalent thickness at a reference angle to obtain a reference exposure; generating full circumferential target exposure distribution according to the physical function and the material parameters; finally, dispersing exposure distribution into a sector sequence, carrying out exposure measurement under the constraint of equipment and total exposure, calculating an actual contrast noise ratio of each sector, and comparing the actual contrast noise ratio with a threshold value, thereby quantitatively judging whether the workpiece has defects or not, and realizing high-precision and uniform-sensitivity X-ray defect detection on the circumferential weld.
Owner:CHANGZHOU YUETAI TESTING TECH CO LTD

Unmanned aerial vehicle aerial photography parameter dynamic optimization method based on AI model

The invention belongs to the technical field of unmanned aerial vehicle aerial photography, and particularly discloses an unmanned aerial vehicle aerial photography parameter dynamic optimization method based on an AI model, and the method comprises the following steps: obtaining a current waypoint coordinate and a photographing point coordinate of an unmanned aerial vehicle, and calculating the actual distances between the two, including a linear distance, a horizontal distance and a vertical distance; an input feature is constructed, the actual distance is combined with an environment feature and a target feature, the environment feature comprises illumination intensity and a weather type, and the target feature comprises a shooting target type and a target size ratio; processing the input features by using a pre-trained AI model, and outputting optimal zoom multiple, pan-tilt pitch angle and exposure parameters; and dynamically adjusting the aerial photography parameters of the unmanned aerial vehicle according to the optimal parameters. The unmanned aerial vehicle aerial image quality can be improved.
Owner:WUHAN ZHONGDI DIGITAL TWIN TECH CO LTD

Parameter search device, parameter search method, and parameter search program

The objective is to provide a system that can identify the parameters necessary for development calculations, even when dealing with photosensitive resin compositions that are scattering materials. [Solution] A parameter search device comprising: an acquisition unit that acquires at least one measured value of information relating to the minimum exposure amount or curing rate at which the film thickness does not decrease by development, and information relating to the maximum exposure amount or curing rate at which the film is substantially removed by development, when a resin layer is exposed with stepwise exposure amounts or cured to a predetermined degree by said exposure and then developed under predetermined development conditions; and a search unit that uses the measured value to search for parameters relating to coefficients or constants of a development speed calculation model by inverse analysis.
Owner:TAIYO HOLDINGS CO LTD

Stereo camera apparatus and method for generating a parallax image from low sensitivity and high sensitivity sub-pixel array

An imaging apparatus has a plurality of cameras, each including: an imaging device in which unit pixels are periodically arranged, the unit pixels including high sensitivity sub-pixels that output a first output value for a certain exposure amount and low sensitivity sub-pixels that output a second output value lower than the first output value for a certain exposure amount; a composition section that selects and outputs an output of the high sensitivity sub-pixels and an output of the low sensitivity sub-pixels when the exposure amount is smaller or larger than the predetermined exposure value, respectively; and an amplification section that amplifies and outputs an output of the composition section, and so that image signals of the high and low sensitivity sub-pixels in the same predetermined exposure values become the same between the plurality of cameras, corrects the image signals of the high and low sensitivity sub-pixels.
Owner:ASTEMO LTD

Molecular array generation using photoresist

Provided in some aspects are methods for light-controlled in situ surface patterning of a substrate. Compositions such as nucleic acid arrays produced by the methods are also disclosed. In some embodiments, a method disclosed herein comprises using photoresist for photocontrollable hybridization and / or ligation of nucleic acid molecules, wherein photoresist removal allows hybridization and / or ligation of nucleic acid molecules at the exposed area. A large diversity of barcodes can be created in molecules on the substrate via sequential rounds of light exposure, hybridization, and ligation.
Owner:10X GENOMICS INC

Methods for quantifying light exposure to prevent phototoxicity during ophthalmic procedures

A system (10) and method (70) for quantifying light exposure of a patient's retina (25) during an ophthalmic procedure. A light source (32) illuminates the patient's retina (25) with directional light (LL) during the procedure to generate an illuminated retinal surface. A camera (36) collects image data (38) of the illuminated retinal surface (25I). An electronic control unit (ECU) (50) in communication with the camera (36) and a pointing device (40) receives the image data (38), calculates a cumulative energy spectral density of the directional light (LL) incident on the retina (25), and performs a control action indicative of possible phototoxicity, including activating the pointing device (40) in response to the cumulative energy spectral density exceeding a phototoxicity threshold. The illuminated retinal surface (25I) may be divided into virtual zones (Z1, Z2) by the ECU (50) mapping the cumulative energy spectral density to the illuminated retinal surface (25I). Each of the optional zones (Z1, Z2) has a corresponding cumulative energy spectral density.
Owner:ALCON INC

Display apparatus, electronic device, and method for manufacturing display apparatus

A method for manufacturing a display apparatus having high display quality is provided. A method for manufacturing a display apparatus including first to third insulators, first and second conductors, and first and second EL layers is provided. The first conductor is formed over the first insulator, and the second insulator is formed over the first insulator and over the first conductor. A first opening portion reaching the first conductor is formed in the second insulator. A sacrificial layer is formed over the second insulator and over a bottom surface of the first opening portion, and a resist is applied over the sacrificial layer. Light exposure and development are performed on the resist, so that a second opening portion reaching the sacrificial layer is formed in a region overlapping with the first conductor. A third opening portion is formed in a region of a bottom surface of the second opening portion, and the first EL layer is formed over the resist, over the sacrificial layer, and over the first conductor. Then, the resist and the sacrificial layer are removed, whereby the first EL layer over the resist and over the sacrificial layer is removed. The second EL layer is formed over the first EL layer and over the second insulator, and the second conductor and the third insulator are formed in order over the second EL layer.
Owner:SEMICON ENERGY LAB CO LTD

Method for promoting high yield of cordyceps militaris sporocarp and application thereof

The invention relates to the technical field of bioengineering, in particular to a method for promoting high yield of cordyceps militaris sporocarp and application of the method. The invention provides a method for promoting high yield of cordyceps militaris sporocarps, which comprises the following steps of: in a cordyceps militaris mycelium culture stage, spraying hydrophobin CmHYD1 on the surface of a culture medium or mycelium after mycelium is subjected to mycelium stimulation treatment under light. According to the method, hydrophobin CmHYD1 with a specific concentration is exogenously sprayed, so that the growth and development of cordyceps militaris sporocarps can be remarkably promoted, and the yield is effectively increased. Experimental data show that when 400 g of CmHYD1 is sprayed, the number of entities in a single bottle of cordyceps militaris is increased by 231.07% compared with that of a control group, the yield and the biological conversion rate are also synchronously increased by 72.70%, and it is proved that the method can achieve high yield of cordyceps militaris by remarkably increasing the number of the fruiting bodies.
Owner:HEBEI AGRICULTURAL UNIV.

Video creation method

The video creation method includes a setting step of setting, in an imaging region of a first video having a first angle of view, regions having a second angle of view smaller than the first angle of view, a selection step of selecting a selection region which is an imaging region of a recorded video from among the regions, a switching step of reselecting the selection region from among the regions to switch the selection region after the selection step, a first recording step of recording a video of the selection region in a first period, in which the first recording step is executed between a time when the switching step is executed and a time when the first period elapses, a second recording step of recording a video of the selection region in a second period other than the first period, in which the second recording step is executed the second period, and an adjustment step of adjusting at least one condition of an exposure amount of the selection region, white balance of the video of the selection region, or focus of the imaging lens in each of the first period and the second period, where in the adjustment step executed in the first period, an adjustment speed of the condition is faster than in the adjustment step executed in the second period.
Owner:FUJIFILM CORP

A nursing medication preparation teaching workbench

This utility model discloses a nursing medication preparation teaching workbench, belonging to the field of teaching equipment technology. It aims to solve the technical problems of high light leakage risk and insufficient light-blocking effect of traditional light-blocking measures. The workbench includes a table body with lifting mechanisms arranged on both sides inside. A teaching mechanism is connected to the lifting mechanisms and is located in the middle of the table body. The teaching mechanism includes an outer frame, inside which is an inner frame. A cavity is formed between the inner and outer frames, and sliding rails are arranged on both sides inside the cavity. This utility model, through the design of a top plate and a light-blocking curtain structure, allows the top plate, along with the light-blocking curtain mounted on its lower surface, to extend from the cavity when the outer frame is raised from inside the table body, forming a dark space. This space reduces external light, facilitating students' medication preparation operations with photosensitive drugs and reducing the risk of photolysis reactions caused by light exposure.
Owner:HEILONGJIANG NURSING COLLEGE

Automatic rubber plate boxing and film wrapping production line

ActiveCN224676520UPalletizerCarton
The utility model relates to rubber plate packing technical field, and disclose a kind of rubber plate automatic boxing film wrapping production line, including assembly line conveyor belt, material receiving plate, boxing workstation, automatic boxing manipulator, box sealing machine, film wrapping machine, laminating heat shrink machine, packing machine, automatic stacking manipulator and stacking frame.The rubber plate automatic boxing film wrapping production line, through full automation design, realized the continuous operation of rubber plate from grabbing, foam placement, boxing, sealing, film wrapping, heat shrink, packing belt to stacking, greatly improve production efficiency, save manpower cost, and output is stable;By using positioning foam, the rubber plate rubber surface is fixed to form a packaging unit, then loaded into carton, effectively protect rubber plate from impact and damage during handling and turnover process, while avoiding the rubber aging caused by light exposure;By coating transparent heat shrink film and heat shrinking, prevent product from moisture and metal part from rusting, ensure product quality.
Owner:PINGDINGSHAN ZHONGCHUANG SUPPORT MASCH MFG CO LTD

A hydrogen-rich water cup

This invention provides a hydrogen-rich water cup, comprising a cup body, a base, and a hydrogen delivery tube. The cup body includes an inner wall, an outer wall, micropores, and a catalyst coating. The base includes a hydrogen storage chamber and a gas-liquid mixing component. The inner wall is cup-shaped, forming a receiving space on its inner side. The outer wall is columnar and surrounds the outer side of the inner wall, forming a sandwich space around the inner wall. Micropores are disposed on the inner wall and located between the sandwich space and the receiving space. The catalyst coating is disposed within the sandwich space. The sandwich space is connected to the hydrogen storage chamber via the hydrogen delivery tube. The hydrogen storage chamber is connected to the gas-liquid mixing component, and the gas-liquid mixing component is connected to the receiving space. The advantages of this invention are: it can generate hydrogen-rich water with only light exposure; it is safe and reliable, automatically monitoring the pressure in the hydrogen storage chamber and automatically venting when the pressure is too high; it is convenient to use, and can monitor the hydrogen concentration in the hydrogen-rich water in real time.
Owner:INST OF CHEM CHINESE ACAD OF SCI +2

Lighting management system, lighting management method

This facilitates the management of exposure conditions for materials displayed in the exhibition area. [Solution] The system includes an exposure amount calculation unit that determines the amount of exposure based on the exposure time and illuminance of the exhibition area where the exhibited items are displayed, determined by a lighting device, a determination unit that determines whether the amount of exposure has reached a threshold value which is lower than a reference exposure amount which is the upper limit of the amount of exposure for a specified period for the exhibited items displayed in the exhibition area, and an output unit that outputs an alert signal when the amount of exposure reaches the threshold.
Owner:SHIMIZU CORP

Light exposure quantification strategy for prevention of phototoxicity during ophthalmic surgery

A system (10) and method (70) for quantifying light exposure of a patient's retina (25) during ophthalmic surgery. A light source (32) illuminates the patient's retina (25) with directional light (LL) during the surgery to produce an illuminated retina surface. A camera (36) collects image data (38) of the illuminated retina surface (25I). An electronic control unit, ECU (50), is in communication with the camera (36) and an indicator device (40), receives the image data (38), calculates a cumulative energy spectral density of the directional light (LL) incident on the retina (25), and performs a control action indicative of possible phototoxicity in response to the cumulative energy spectral density exceeding a phototoxicity threshold, the control action including enabling the indicator device (40). The illuminated retina surface (25I) can be divided into virtual zones (Z1, Z2), the ECU (50) mapping the cumulative energy spectral density to the illuminated retina surface (25I). Each of the optional zones (Z1, Z2) has a corresponding cumulative energy spectral density.
Owner:ALCON INC

Platemaking exposure parameter setting method and equipment for preprinting paperboard color sequence and medium

The invention discloses a plate-making exposure parameter setting method and device for preprinting a paperboard color sequence and a medium, and relates to the technical field of printing plate-making data processing.The method comprises the steps that printing ink spectrum data, target color sequence data and layout image data are collected and preprocessed; fusing the global exposure parameter set with the microstructure partition mapping graph, and performing exposure correction on the microstructure region according to a preset local exposure adjustment strategy library to generate an exposure parameter mapping graph; cTP partition exposure plate making and printing verification are carried out according to the exposure parameter mapping graph, the reproduction quality of the microstructure area is detected, and a qualified paperboard sample is obtained. According to the method, the Neugebauer chromaticity overprint model is used for predicting the spectrum overprint, so that the quantitative setting of the exposure quantity based on the spectral response characteristic is realized, the exposure regulation has the computability and consistency for different color sequence combinations, and the accuracy of the overall color matching is improved.
Owner:XIAN XIONGFENG PRINTING PACKING CO LTD

Plant growing system

ActiveCN122095915Bincrease spaceAvoid vertical occlusionAgricultural scienceAgricultural engineering
This invention discloses a plant cultivation system, belonging to the technical field of plant cultivation systems. The system includes a cultivation chamber, double-sided supplemental lighting fixtures, multiple cultivation units, and a ventilation system. By centrally arranging double-sided supplemental lighting fixtures within a closed chamber, and layering multiple nutrient return components and multiple inclined cultivation pots on mounting frames on both sides of the fixtures, with the cultivation chambers of the pots inclined towards the supplemental lighting fixtures, and a ventilation system at the top of the chamber, all planting surfaces can receive uniform light and ventilation. Simultaneously, the ventilation system dissipates heat from the lighting fixtures, eliminating the need for additional cooling devices and resulting in lower energy consumption. Compared to traditional flat-layer cultivation, this solution offers higher space utilization efficiency, more efficient use of light resources, complete recycling of nutrient solution, and more uniform overall crop light exposure. Annual yield for the same planting area is significantly higher than traditional methods, while requiring less manpower and lower costs for daily maintenance, making it suitable for large-scale, high-efficiency cultivation.
Owner:4D BIOS INC

Photodynamic therapy comprising two light exposures at different wavelengths

PendingUS20260151487A1Organic chemistryEnergy modified materialsDermatological disordersBiology
The present invention relates to a composition comprising a photosensitizer use in prevention or treatment of dermatological disease in a patient, wherein the composition is used in the following order of steps: (a) topical application or subcutaneous injection of said composition to an area of the skin of said patient, (b) exposure of at least said area of the skin to light with a wavelength spectrum similar or identical to sun light for a duration of 30 min to 5 hours, and (c) exposure of at least said area of the skin to light of a wavelength spectrum comprising only one maximum in the absorbance spectrum of said photosensitizer as well as to methods of treating dermatological disease using the outlined steps and kits of parts comprising such compositions and light sources suitable to apply the respectively indicated light.
Owner:BIOFRONTERA INC

Observation device, observation system, and method for controlling observation device

An observation device includes: an illumination system that is disposed on a downward side of a sample and emits illumination light from the downward side toward an upward side of the sample; an imaging system that is disposed on the downward side and images the sample with transmitted light that is reflected on the upward side in the illumination light emitted from the illumination system and is transmitted through the sample from the upward side to the downward side; and a control unit that executes imaging control using the illumination system and the imaging system. The control unit controls an exposure amount in correspondence with required time for the imaging control which includes required operation time and required pause time determined based on imaging conditions.
Owner:EVIDENT CORP

A sample cloth solar color fastness aging instrument

This utility model discloses a sample fabric light exposure color fastness aging tester, including an aging tester body. An outer frame is threadedly connected to one side of the aging tester body. An installation hole is provided inside the outer frame, and a drying mechanism is installed inside the installation hole. A processing chamber is provided inside the aging tester body. A rotating disk is fixedly connected to the bottom of the processing chamber, and a heat dissipation box is fixedly connected to the bottom of the rotating disk. This sample fabric light exposure color fastness aging tester, through the setting of the drying mechanism, has an outer frame set on one side of the processing chamber. When the power is turned on, a temperature controller controls the heating grid to heat up. Simultaneously, a fan on one side is activated, blowing hot air into the processing chamber, accelerating the airflow inside the processing chamber, thereby quickly drying the residual water droplets in the processing chamber. This prevents water droplets from adhering to the inner wall of the processing chamber for a long time, causing damage to the inner wall of the equipment and shortening its service life.
Owner:QINGDAO PROD QUALITY INSPECTION INST (QINGDAO PROD QUALITY & SAFETY RISK MONITORING CENT)

Traditional Chinese medicine residue sorting and quality grading method based on machine vision recognition

The invention discloses a traditional Chinese medicine residue sorting and quality grading method based on machine vision recognition. The method comprises the steps that an image sequence is collected, and exposure, white balance gain and light source driving quantity are recorded; a standardized image sequence is obtained through preprocessing, and a working condition drift tensor is constructed through batch difference; segmenting the target area, constructing an equivalent refraction-scattering weight map based on a particle size distribution parameter, a fiber orientation anisotropy parameter and a water-containing scattering indication parameter, and generating a physical token sequence; adopting improved VMama asymmetric scanning to obtain an anisotropic state characterization sequence; a prediction entropy is calculated, a physical consistency loss is constructed through a working condition drift tensor alignment residual error, and a self-adaptive normalized parameter set is obtained through TENT online updating; and reasoning to obtain a target sorting category and a target quality grade, and generating a shunting control instruction and grading record data for sorting and grading of a conveying line. According to the method, unmarked cross-working-condition sorting and consistent grading are achieved.
Owner:HEBEI UNIV OF TECH +3