78 results about "Color analysis" patented technology

The invention relates to the technical field of industrial circuit board abnormity monitoring, and discloses an industrial circuit board abnormity monitoring method based on visual inspection, which comprises the following steps of: 1, acquiring image data and performance test data of all circuit boards, and classifying the image data and the performance test data to form an image data set and a performance data set; 2, evaluating the appearance defect of each circuit board according to the image data set, generating a corresponding bridging area proportion, chromaticity deviation and pin deviation, and constructing a three-dimensional defect scoring matrix by comprehensively applying technologies such as image processing, color analysis and geometric measurement; 3, according to the performance data set, evaluating the functional defect of each circuit board, generating a corresponding functional data set, and realizing high multi-dimensional monitoring precision; and 4, according to the image data set, the bridging area proportion, the chromaticity deviation, the pin deviation and the function data set, the defect type of each circuit board is divided into a connection defect, a scratch defect and an electrical defect, corresponding control instructions are output, and the intelligent repairing efficiency is high.

The invention relates to the technical field of computer vision, in particular to a fabric color fastness analysis method and system based on image processing. Comprising the following steps: acquiring a multispectral image of a to-be-detected fabric, and synchronously acquiring multi-factor data; processing the multispectral image to generate an enhanced image; performing image recognition on the gray sample card in the enhanced image to generate a calibration image; performing spectral data projection on the calibration image through a dimension reduction algorithm, and performing color analysis and quantification on color change to generate color difference features; extracting texture features by using a conditional generative adversarial network, carrying out image recognition and calculation on the calibration image through a decoupling algorithm, and generating a region credibility graph; and inputting the chromatic aberration features, the texture features, the multi-factor data and the regional credibility map into an image feature fusion model for mapping, performing analysis through gradient visualization, and outputting an abnormal feature saliency map. According to the method, a color fastness objective analysis closed loop is created, so that the accuracy and the universality of an analysis result are improved.

Disclosed is a surveillance camera capable of detecting a color of a vehicle using vehicle logo detection. This specification describes a method that, instead of processing an entire image of a vehicle, detects the vehicle's logo and expands a bounding box of the detected logo to analyze a dominant color within the expanded bounding box for higher accuracy. During a dominant color analysis process, color correction may be performed based on metadata, environmental factors, and a lighting condition. In addition, more accurate vehicle color detection may be achieved through color distance measurement. According to this specification, at least one of a surveillance camera, an autonomous vehicle, a user terminal, and a server may be associated with an Artificial Intelligence (AI) module, a robot, an Augmented Reality (AR) device, a Virtual Reality (VR) device, and a 5G service.

The invention discloses a system and a method for highly automatically detecting sludge sedimentation layering based on color difference, and particularly relates to the field of sewage treatment. Comprising an automatic test box body module, a visual acquisition module, a color analysis processing module, a data management transmission module and a field data analysis module, the automatic test box body module is used for completing filling, discharging and cleaning of a sludge sample, stabilizing a detection environment and supporting a standardized sedimentation test; the visual acquisition module is used for regularly shooting sludge sedimentation images, embedding time, places and biochemical pool serial number information, and retaining traceable visual detection data; and the color analysis processing module is used for identifying digital characteristics of color mutation characteristics in the image and accurately positioning the height of the sludge layering interface. The method has the advantages of being high in interface positioning precision, high in anti-interference performance, high in data visualization and high in expansibility.

The invention discloses an adhesive testing system, method and device, and relates to the technical field of adhesion testing, and the method comprises the following steps: obtaining a substrate surface image after an adhesive is stripped; a flexible isolation plate is arranged between the adhesive and the base material, and the flexible isolation plate is a hollowed-out isolation plate so that the adhesive and the base material can be bonded in a point-shaped mode. Performing color analysis on the surface image of the base material to determine a damage mode corresponding to each bonding point; the destruction mode comprises an adhesive body destruction mode, a base material body destruction mode and a bonding interface separation mode. And determining a test result of the adhesive based on the proportion of the bonding interface separation mode in the damage mode corresponding to all the bonding points. By arranging the hollowed-out isolation plate between the adhesive and the base material, even if the base material is an elastic base material with low modulus, stripping of the adhesive and the base material can be smoothly achieved. Based on the visual identification part, automatic evaluation of the adhesion effect of the adhesive can be realized, so that the adhesion effect of the adhesive can be evaluated more accurately.

The invention discloses an abnormal state identification method, system and device based on local color area mutation, and belongs to the technical field of safety monitoring. The method comprises the following steps: extracting a detection frame from a video stream according to a preset unequally spaced frame sequence; positioning local key areas (such as shoulders) of the body of the target constructor in the detection frame; in the region, extracting a maximum aggregation connected domain of target safe color pixels through color analysis, and calculating the area of the maximum aggregation connected domain; and comparing the ratio of the area to the total pixel area of the detection frame with a fixed preset threshold value, and if the ratio exceeds the threshold value, judging that an abnormal state exists and triggering an alarm. According to the method, the local color area mutation is taken as an agent index, a fixed parameter strategy is combined, the problems of large calculation amount, easy environmental interference and complex deployment in the prior art are solved, and the method has the advantages of low calculation cost, strong robustness, fast identification response and easy deployment.

The invention relates to the technical field of biomedical detection, and discloses a portable urine component detection system and method based on a fluorescence sensor array. The system comprises a fluorescence sensor array, different fluorescence probes are used for detecting different trace components in urine, and fluorescence color gradient changes are generated through a probe-target object reaction, so that bilirubin, glucose and albumin in the urine are detected. The detection system comprises a micro-fluidic chip which integrates a capillary driving channel and a colorimetric reaction area and is used for sample transmission and reaction area positioning; an ultraviolet excitation light source and a multi-angle optical sensor are arranged in the camera obscura type color acquisition module, and the camera obscura type color acquisition module eliminates ambient light interference and captures fluorescence chromaticity signals; and the intelligent data processing system is integrated with an intelligent analysis end of the smart phone, establishes a quantitative relationship between chromaticity parameters (RGB and hue saturation) and the concentration of a target object through a machine learning model, and outputs a detection result in combination with an ambient light correction algorithm.

The invention relates to an intelligent color box printing color analysis control method, and provides a reinforcement learning decision closed-loop control method integrating distributed color detection, space-time multi-modal data processing, feature extraction and self-supervised clustering and multi-scale reward modeling. Multi-variable normalization and synchronization are completed through multi-point real-time collection of color, process and environment data, color change meta-state features are extracted based on a self-encoding neural network, and a meta-state distribution model related to space and working conditions is established through self-supervised clustering. And the color risk is evaluated in combination with a multi-scale reward function, so that color parameter optimal adaptive adjustment and cooperative control driven by reinforcement learning are realized. In an actual control link, the system can dynamically optimize a meta-state aggregation and strategy network structure based on a feedback signal, a stable and self-adaptive color consistency closed-loop control system is constructed, and the color consistency and process intelligence level of a printed product under a complex working condition are effectively improved.

This invention relates to the field of industrial circuit board anomaly monitoring technology and discloses a vision-based industrial circuit board anomaly monitoring method, comprising the following steps: Step 1: Acquire image data and performance test data of all circuit boards, and classify them into image datasets and performance datasets; Step 2: Based on the image datasets, evaluate the appearance defects of each circuit board, generate corresponding bridging area ratios, color deviations, and pin deviations, and construct a three-dimensional defect scoring matrix by comprehensively utilizing image processing, color analysis, and geometric measurement technologies; Step 3: Based on the performance datasets, evaluate the functional defects of each circuit board, generate corresponding functional data sets, achieving high accuracy in multi-dimensional monitoring; Step 4: Based on the image datasets, bridging area ratios, color deviations, pin deviations, and functional data sets, classify the defect types of each circuit board into connection defects, scratch defects, and electrical defects, and output corresponding control commands, achieving high efficiency in intelligent repair.

This invention provides a portable colorimetric detection system for astaxanthin based on a smartphone, belonging to the field of colorimetric detection technology. Its features include: an optical detection platform for accommodating the Yeast lipolyticis fermentation broth sample and providing a standardized optical detection environment; a smartphone with its camera pointed at the sample area of ​​the optical detection platform for acquiring images of the fermentation broth sample; a color analysis module embedded in or connected to the smartphone for extracting color feature parameters from the acquired images; and a quantitative model module pre-stored with a linear regression model based on the color parameters of the fermentation broth and the astaxanthin concentration, the model being constructed based on the (R+G) / 2 parameter, used to calculate the astaxanthin concentration in the sample based on the color feature parameters. The advantages of this invention are: simplified detection steps, convenient and rapid sample detection, and real-time sample monitoring.

The invention relates to the technical field of water quality detection, in particular to a wastewater chroma removal rate measuring method, device and equipment and a storage medium. The fitting curve is generated by obtaining the first absorbance and the first concentration data set, basic data is provided for subsequent fitting curve generation, a scientific basis is provided for colorimetric analysis, and the method can also be used for calculating the chromaticity removal effect. In combination with a fitting curve, a second absorbance data set and a removal rate calculation formula, the efficient adsorption time with the highest chromaticity removal rate can be determined, and the problem that the adsorption time is difficult to accurately measure is solved; in a water tank system of grease sample constant-temperature Raman detection equipment, a periodic concentration calculation formula is constructed according to efficient adsorption time and the number of parallel filter elements, the current concentration is calculated in combination with a real-time filtration cycle period, and the chromaticity removal rate is obtained, so that the chromaticity removal effect of a sequencing batch water inlet treatment system is accurately evaluated, and a reliable basis is provided for system optimization.

The present application belongs to the technical field of intelligent agriculture, and discloses a monitoring method for a fruit bottom colorizing and light reflecting film, comprising the following steps: S1, forming a grid map for an orchard; S2, collecting fruit bottom images to obtain array type multi-angle image data; S3, performing edge processing on the image data to form fruit images; S4, performing fruit surface color analysis on the fruit images to form color feature data; S5, performing edge and dispersion analysis on dark color patches in the color analysis process to form lesion feature data; S6, inputting the color feature data and the lesion feature data of S4 and S5 into a preset fruit maturity and lesion grade library to obtain preliminary maturity and sunscald grades; S7, performing feature weighting judgment to output maturity grades and / or sunscald lesion probabilities; S8, if the lesion probability is greater than a preset threshold, automatically recording a collection time stamp, a lesion probability value, an image slice and a map location, and triggering an early warning of adjusting the light reflecting film to weaken the radiant light; if the lesion probability is less than or equal to the preset threshold, normally recording data.

The invention discloses a safety shoe rapid detection method based on deep learning and color analysis, and the method comprises the steps: obtaining a human body posture data set, and randomly dividing the data set into a training set, a verification set and a test set according to a proportion of 8: 1: 1; training a target detection and attitude estimation model by using the training set and the verification set to obtain personnel positioning information and key point information; acquiring color data of the safety shoes, and determining a color range of the safety shoes in the HSV color space; obtaining a to-be-detected video stream and performing preprocessing; reasoning the video stream by using the trained target detection and attitude estimation model, and positioning ankle part coordinates and confidence information; and by taking the coordinates of the ankle part as the circle center, whether the safety shoe is worn or not is judged by checking whether an element with a pixel value greater than zero exists in the mask or not.

Systems, devices, and methods operate on a fluorescence image to ensure a white balance correctness of the fluorescence image; perform a color analysis of the fluorescence image, including: converting the fluorescence image to an HSV color space, comparing a saturation parameter of the first converted image to a first saturation threshold condition and comparing a value parameter of the first converted image to a first value threshold condition, wherein the first value and saturation threshold conditions are based on a correlation between a first color and the first bacterial fluorescence signature, and identifying areas of the fluorescence image where the saturation parameter satisfies the first saturation threshold condition and the first value parameter satisfies the value threshold condition, discard the identified areas which are smaller than a size threshold, and outline the remaining identified areas on the fluorescence image, thereby to generate an overlay image.

This invention discloses an AI-based automatic analysis color diagnosis system for fundus lesions, relating to the field of ophthalmic disease diagnosis technology. It includes a fundus image acquisition module and an AI color analysis module. This AI-based automatic analysis color diagnosis system for fundus lesions, through its fundus image acquisition module, AI color analysis module, and analysis model construction module, inputs acquired fundus color images into a fundus color image processing and analysis model to obtain fundus color feature data. It then identifies the patient's lesions, diagnoses the patient's ophthalmic disease based on the identified lesions, and determines the location of the lesions in the fundus images using the fundus color feature data. This constructs a fundus image color evaluation system, improving the accuracy and reliability of ophthalmic diagnosis and assisting in the diagnosis and treatment of fundus diseases.

The invention discloses a digital ink-jet printing color analysis method and system based on image processing, and relates to the technical field of printing color analysis. According to the method, a multi-angle fabric image is obtained, the brightness gradient is calculated, the reflectivity is measured, and surface scattering distribution is deconstructed by combining an initial absorption baseline; then, according to the law of conservation of energy, utilizing reflectivity and scattering distribution to iteratively update an absorption baseline, and dynamically stripping the absorption and scattering coefficients of the fabric; and finally, inputting the dynamic coefficient as a bottom layer parameter into a Coubella-Miscang model to reversely solve the target spectral reflectivity, and matching an optimal ratio in an ink ratio database, so that high-precision color prediction which does not need manual intervention and adapts to various complex fabrics is achieved, the matching degree of printing colors and design intentions is improved, and the printing quality is improved. The problems that in the prior art, correction coefficients and simple linear hypotheses are set depending on artificial experience, color prediction adaptability is poor in the face of complex fabric, and automatic high-precision real color matching cannot be achieved are solved.

The application discloses a kind of machine vision-based fiberboard production quality on-line detection method and system, belong to production detection technical field, the present application is detected by the bark residual rate of bark wood image analysis Skin quality, and then combined according to the wood characteristics of wood raw material and average bark thickness Adjusting peeling machine parameters, the color difference value is analyzed by the color of fiber bundle after drying within the color of preset moisture content range To detect drying quality and adjust drying machine parameters by it, and by pixel gray value Judge glue spraying quality, Realize real-time detection in multiple production links, improve quality problem positioning accuracy, effectively improve material utilization and the qualified rate of fiberboard finished product.

The invention relates to the technical field of leather manufacturing, and discloses a leather selecting and color matching method and device.The leather selecting and color matching device comprises a second conveying belt, a portal frame is installed outside the second conveying belt, a working groove is formed in the top of the portal frame, a protective shell is arranged at the top of the portal frame, and a color analysis module is arranged in the protective shell; a mounting block is arranged in the protective shell, a camera is arranged on the outer wall of the mounting block, a driving structure is fixedly connected to the middle of the mounting block, a fiber brush is arranged at the bottom of the protective shell, an extending opening is formed in the bottom of the protective shell, and the position and the size of the extending opening correspond to those of the working groove. And a fiber brush arranged at the bottom of the protective shell is fixedly connected to the inner wall of the extending opening, so that the problems that much dust possibly exists in a traditional color screening workshop after leather dyeing, the dust can be adsorbed to the surface of an image acquisition camera, the camera is shielded, and the acquisition precision is reduced are solved.

The invention discloses an intelligent light color control system and method based on image feedback. The system comprises an image acquisition module, a color analysis module and an intelligent control module. The image acquisition module acquires environment illumination information in real time through a camera; the color analysis module converts the RGB image into multi-color space data, and calculates an error value between each channel and a target color; the intelligent control module adopts a PID algorithm to dynamically adjust the color temperature, color and brightness of lamplight, a proportional term corrects a current error, an integral term eliminates accumulated deviation, and a differential term predicts a change trend. The method comprises the following steps: acquiring ambient light data in real time, performing multi-color space error analysis, realizing accurate light matching through closed-loop PID control, and feeding back continuous optimization by using a light intensity sensor. The method solves the problems of slow response and low precision of traditional light color control, can adapt to a dynamic illumination environment, and is suitable for stage illumination, smart home and other scenes.

The application relates to a plasma waste liquid color analysis method, a system, a readable storage medium and equipment, the method comprising the following steps: collecting an image of a transparent container containing plasma waste liquid to obtain an initial image; wherein the plasma waste liquid is obtained after plasma is filtered by adopting a double filtration plasma replacement method; the initial image is preprocessed and color space conversion is performed to obtain an image to be analyzed; a color feature vector is extracted from the image to be analyzed; and the color feature vector is input into a pre-trained classification model to obtain a classification result; through computer vision technology, non-invasive and rapid identification of the nature of DFPP waste liquid is realized, objective and convenient reference indexes are provided for clinical doctors to adjust treatment parameters, evaluate the metabolic state of patients and the risk of cardiovascular diseases, detection cost is effectively reduced, and diagnosis and treatment efficiency is improved.

This invention discloses a method for detecting the adhesive color of Mini-LED beads, comprising the following steps: S1: Under fixed ambient light conditions, acquiring a first image of the Mini-LED bead to be tested after surface magnification before reflow treatment, and a second image of the Mini-LED bead to be tested after surface magnification after reflow treatment; S2: Restoring the Mini-LED bead to be tested from the first and second images; S3: Performing color analysis on the restored first and second images to obtain the first chromaticity value of the Mini-LED bead before reflow treatment and the second chromaticity value after reflow treatment; S4: Calculating the difference between the first and second chromaticity values ​​to determine whether the surface adhesive color of the Mini-LED bead is qualified based on the difference. This method for detecting the adhesive color of Mini-LED beads can automatically identify the surface adhesive color at the Mini-LED bead level and screen Mini-LED beads from the source, thereby improving the display effect of subsequent displays.

The utility model discloses an excess material alarm device, which belongs to the technical field of excess material alarm, and can detect whether materials are contained or not through color analysis, and when a photoelectric color code sensor on a fixed rod irradiates an identification color ring on a discharging shaft, the excess material is found to be less through color analysis. And at the moment, die cutting work is stopped, alarm operation is performed, and die cutting material cutting and other situations are avoided as much as possible. The excess material alarm device comprises a first fixing frame and a second fixing frame, a discharging shaft is installed at the top of the first fixing frame in a bearing mode, a material body is installed on the discharging shaft in a winding mode, and identification color rings are symmetrically arranged on the discharging shaft in a protruding mode. An expected material alarming assembly for assisting a material body on the discharging shaft to give an alarm is mounted at the bottom of the first fixing frame and corresponds to the position under the discharging shaft; the anticipated material alarm assembly comprises a fixing rod fixed to the first fixing frame, a lantern ring is installed on the fixing rod in a sleeving mode, and a photoelectric color code sensor is installed on one side edge of the lantern ring.

The invention provides a lighting regulation and control method for box body quality detection and a box body quality detection system. The method is applied to a box body quality detection system comprising electrochromic glass, a camera and a light source, and the light source does not have orthographic projection on a to-be-detected surface of a box body. Acquiring a printing pattern image of a to-be-detected surface of the box body; the printing pattern image is subjected to multiple feature analysis, multiple feature region recognition results of the printing pattern image are obtained, the feature analysis and the feature region recognition results are in one-to-one correspondence, each feature region recognition result comprises at least one feature region, and the multiple feature analysis comprises color analysis, concavity and convexity analysis and the like; and fusing the identification results of the multiple feature regions to obtain a fused feature region identification result, and adjusting the light transmittance of the subareas, corresponding to the feature regions, of the electrochromic glass based on the fused feature region identification result, and adjusting the brightness of the light source. The problem that the detection result accuracy of visual detection based on the electrochromic glass is low is solved.

An optical measurement apparatus includes a color analyzing device and an abutting member. The color analyzing device includes a light collecting portion, a body and a connecting portion. The light collecting portion is configured to face to a device under test (DUT) and collect a light emitted from the DUT. The body is configured to measure and analyze the light. The connecting portion connects between the body and the light collecting portion along an axis. The abutting member is tubular and extends along the axis. The abutting member has a first rim and a second rim opposite to the first rim along the axis. The connecting portion penetrates through the first rim and connects with an inner wall of the abutting member. The second rim defines a first abutting surface inclined by a measurement angle relative to the axis and configured to abut against the DUT.

The present application relates to the technical field of OLED display module testing, especially to a method, medium and device for testing gamma and flicker in a compatible manner, comprising the following steps: step S1, powering on the product and scanning the code; step S2, lighting the product screen through a jig, and the jig communicates with a lens; step S3, the jig adjusts the gamma according to the lens data; step S4, if the gamma gray scale cannot be adjusted to the preset requirement range within a set number of times, the debugging is exited, an NG is reported, and an alarm is given to inform the operator; if all can be debugged, an OK is reported; step S5, the jig controls the host computer to debug the JEITA flicker; step S6, the jig judges whether the debugged flicker value meets the specification; and step S7, whether the optical of the white picture is qualified. The present application can improve the utilization rate of the color analysis instrument lens, strengthen the flexibility of the production line production, and reduce the production cost.

An object of a system according to an embodiment is to appropriately grasp a physical condition of a subordinate even during remote work.SOLUTION: A system includes a face image acquisition unit, a face color analysis unit, a facial expression analysis unit, and a notification unit. The face image acquisition part acquires a face image photographed by a camera during the WEB conference. The face color analysis unit analyzes a face color from the face image acquired by the face image acquisition unit. The expression analysis unit analyzes an expression on the basis of the face color analyzed by the face color analysis unit. In a case where it is determined that the physical condition is deteriorated on the basis of the analysis result of the face color and the facial expression, the notification unit notifies the user or a manager of the result.SELECTED DRAWING: Figure 1

The invention relates to the technical field of biosensors, and discloses a colorimetric visual sensor for detecting 17 beta-estradiol based on MoSenano enzyme regulated and controlled by a split aptamer, and the colorimetric visual sensor is prepared by the following steps: preparing a MoSenano enzyme solution with peroxidase-like activity; a split aptamer aiming at 17 beta-estradiol is adsorbed on the surface of the MoSe nanosheet under the action of Van der Waals' force, so that the enzyme-like activity of MoSe is enhanced; when a target exists, the target is specifically combined with the split aptamer and induces conformation recombination, the affinity of the compound and MoSe is remarkably reduced, dissociation is caused, and the catalytic activity of MoSe is reduced; the color change is generated by catalyzing the HO oxidation TMB through the MoSe nano-enzyme, so that the quantitative detection of colorimetric signal output is realized. According to the invention, a colorimetric card is prepared through color analysis software of a smart phone, and on-site semi-quantitative analysis is realized; and R channel data of the RGB value is extracted, so that convenient quantitative detection is realized. A practical solution is provided for rapid screening of 17 beta-estradiol in environmental water and food, and the method has a good application prospect.

The invention provides a color style makeup diagnosis analysis method and system, and relates to the technical field of computer vision, and the method comprises the steps: obtaining a non-makeup face image and makeup preference information uploaded by a user; performing chromatic aberration balance on the face image to obtain an image after chromatic aberration balance, and converting the image after chromatic aberration balance into an HSV image; extracting color information of each area in the HSV image, and integrating the color information into a complete color map through a color block splicing technology; analyzing and diagnosing the color map and the makeup preference information by using a preset makeup color diagnosis model to obtain a diagnosis result; and automatically generating a color analysis report according to the diagnosis result. According to the method, the face image is subjected to chromatic aberration balance and converted into the HSV image, so that the influence of external illumination and equipment difference on the color can be effectively eliminated, and the color information extraction precision is improved.

The invention relates to an electronic device and a method for generating a color lookup table. An electronic device for generating a color lookup table, the electronic device comprising: a processing circuit configured to: acquire a color reference medium specified by a user, and acquire scene data acquired by an image acquisition device in real time; generating a color lookup table which is matched with the color style of the color reference medium and is used for the scene based on the obtained color reference medium and scene data acquired by image acquisition equipment in real time by utilizing an artificial intelligence (AI) color analysis model; and applying the generated color lookup table to image acquisition of the scene.

The application provides an output picture correction method, device and storage medium, wherein the method comprises the following steps: sending a test image to a target display device to instruct the target display device to display the test image; acquiring color analysis data of an output picture of the target display device when the test image is displayed; generating tone mapping data corresponding to the target display device according to target color data corresponding to the color analysis data and the test image, wherein the tone mapping data is used to represent a mapping relationship between original color values of the test image and corrected color values, and the corrected color values are used to drive the target display device to output an image meeting the target color data; and correcting the output picture of the target display device by using the tone mapping data. The application realizes automatic correction of the display device according to the test image, so that the display device can output target colors, the stability of the output picture is improved, and the display effect of the display device is improved.