Patents
Literature
Patsnap Eureka AI that helps you search prior art, draft patents, and assess FTO risks, powered by patent and scientific literature data.

27 results about "Color detection" patented technology

A method and system for detecting the color of a textile product based on light emitting diodes

This invention discloses a method and system for color detection of textile products based on light-emitting diodes (LEDs), belonging to the field of optical inspection. The method includes: establishing a texture feature library, selecting standard samples of plain weave, twill weave, satin weave, and knitted structures, extracting texture features, and using support vector machines for classification modeling; extracting texture features of the textile to be tested and identifying its fabric structure type; establishing an adaptive light source compensation model, using texture features as independent variables for each fabric type, and employing ridge regression algorithm to establish independent compensation models for red, green, and blue channels; matching and calculating compensation parameters, selecting to call preset compensation parameters or dynamically calculating the three-channel compensation coefficients through the compensation model based on a comparison of the Euclidean distance between the texture feature vector and the standard template with a preset threshold; performing RGB three-channel compensation correction, and outputting the final color detection result. This invention improves the accuracy and consistency of color detection for textile products.
Owner:ANHUI ZHAOLI OPTO ELECTRONICS TECH

A method for detecting the color of the adhesive surface of Mini-LED beads

PendingCN122089691ARealize accurate quantitative detectionPrecise control of glue color differencesImage analysisColor analysisEngineering
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.
Owner:LEDMAN OPTOELECTRONIC HZ CO LTD

Traffic light recognition method, device, equipment, storage medium and program product

The application relates to a traffic indication lamp recognition method, device and equipment, a storage medium and a program product. The method comprises the following steps: detecting an indication lamp region in a to-be-detected image of a target traffic scene according to the to-be-detected image, obtaining an indication lamp region detection frame, performing color extraction on the to-be-detected image, obtaining an indication lamp color detection frame, determining an indication lamp target detection frame according to the indication lamp region detection frame and the indication lamp color detection frame, and performing identification processing on the indication lamp target detection frame to obtain an indication lamp recognition result in the target traffic scene. In the method, the indication lamp region detection frame and the indication lamp color detection frame in the to-be-detected image are analyzed in two dimensions, the misrecognition or missed detection of the indication lamp by a target detection method and a color extraction method is avoided, and therefore, the accuracy of the indication lamp recognition result in the target traffic scene is ensured.
Owner:VANJEE TECHNOLOGY CO LTD

A device for rapid measurement of urine specific gravity, turbidity and color

The utility model relates to detection device technical field, concretely relates to a kind of detection device of fast metering urine specific gravity, turbidity and color, including installation component, middle pass prism, specific gravity detection unit, turbidity color detection unit, color detection unit and temperature detection unit;Specific gravity detection unit emits light from middle pass prism side into total reflection, receives and collects data, through the fitting function that has been established, output specific gravity value, turbidity color detection unit emits light and transmits sample, receives and passes through sample scattered light data, obtains turbidity transmission data and color transmission data, combines fitting function, outputs turbidity value, color detection unit emits light and transmits sample, receives and passes through sample reflected light data, obtains color reflection data, and color transmission data combine fitting function, output color value, the detection device uses less sample detection, integrates urine specific gravity, turbidity and the detection of color, degree of automation is high, improve the accuracy of detection.
Owner:URIT MEDICAL ELECTRONICS CO LTD

A color detection device and method for preparing colored nylon masterbatch

ActiveCN117110203BMasterbatchEngineering
This invention discloses a color detection device and method for preparing colored nylon masterbatch, relating to the technical field of detection devices for nylon masterbatch preparation. To address the problem that existing color detection devices can limit the rotation angle of the support plate, thereby achieving the locking of the pressing head onto the object to be tested and ensuring the stability of the object's contact, thus guaranteeing the detection accuracy, the barium sulfate on the inner wall of the integrating sphere will turn pale yellow after prolonged use, affecting the measurement results. This necessitates replacing the integrating sphere to maintain accuracy, resulting in high maintenance costs. The color detection device body has an integrating sphere installed inside the upper side of one side. A coating spraying mechanism is installed inside the integrating sphere. A diameter plate clamping mechanism is installed at the outer end of one side of the color detection device body. A positioning ball is located at the center of the coating spraying mechanism.
Owner:FUJIAN EVERSUN JINJIANG CO LTD

Light source light color detection system and light color comparison method

ActiveCN114323284BDiffuse transmissionMaterials science
The application provides a light color detection system of a light emitting source and a light color comparison method, wherein the light color detection system of the light emitting source comprises a test platform, a hollow support frame arranged on the test platform, a light transmission plane medium horizontally arranged on the support frame and used for performing diffuse transmission on light emitted by a light emitting source to be detected, the light transmission plane medium is prepared from a non-transparent pure color substance, the light emitting source to be detected is arranged at the same height below the light transmission plane medium in the hollow part of the support frame during detection, and a detection power supply is arranged on the test platform and connected with the light emitting source to be detected and used for supplying power for the light emitting source to be detected, so that the technical problems of low accuracy and high requirement on external environment of the existing light color comparison method are effectively solved.
Owner:JIANGXI LATTICEBRIGHT

Printer, control method of printer, and computer-readable recording medium

A printer capable of recognizing features and atmosphere of an image to be printed and recognizing progress of printing. The printer of the present application includes an image acquisition section (80A) that acquires an image to be printed from an external device (100), a representative color detection section (80D) that divides the image to be printed into a plurality of regions in a vertical direction of the image and detects representative colors of the regions, a light emission section capable of switching a light emission color, and a light emission control section (80E) that controls light emission of the light emission section, the light emission control section (80E) causing the representative colors of the regions detected by the representative color detection section (80D) to be sequentially switched and emitted according to progress of printing in the case of performing printing.
Owner:FUJIFILM CORP

A multi-role recognition and image rendering method based on color label mapping

PendingCN122369113APattern recognitionColor Scale
This invention belongs to the field of artificial intelligence image generation technology, specifically a multi-role recognition and image rendering method based on color mark mapping. The method includes: assigning distinct non-natural marker colors to multiple roles in the content to be processed, using these non-natural marker colors as intermediate codes for role identities; generating a sketch image with marker colors based on the input content; performing color detection on the sketch image to identify the actual roles appearing in the current scene; constructing a mapping relationship between marker colors, role identities, and appearance reference information in the current scene based on the recognition results; color rendering the sketch image while keeping it essentially unchanged, replacing the marker color areas with the corresponding roles' actual appearances; and performing structure maintenance verification and cross-scene consistency verification on the rendering results. This invention decouples role identity identification from appearance rendering by introducing non-natural marker colors as an intermediate coding layer for role identities.
Owner:CHENGDU XINFEIXIANG NETWORK INFORMATION CONSULTING CO LTD

A dual-color water quality detection device

This invention provides a dual-color water quality testing device, comprising a color detection tank, an inlet pipe, an inlet valve, a first monochromatic light source, a first optical fiber, a second monochromatic light source, a second optical fiber, a first photodiode, a second photodiode, a third photodiode, a fourth photodiode, and a control circuit. The inlet pipe is connected to the inlet of the color detection tank, and the inlet valve is located on the inlet pipe. The advantages of this invention are: it provides a dual-color water quality testing device that can quickly and accurately detect water quality during the process of tap water being transported to the pumping station through pipelines, enabling real-time online monitoring of drinking water and secondary water supply.
Owner:深圳市环境水务集团有限公司

A wire changing method of a motor stator wire forming apparatus

This application discloses a wire changing method for a motor stator wire forming equipment, relating to the field of flat wire motor stator manufacturing technology. The method includes welding the tail end of a previous coil of copper wire to the head end of a new coil of copper wire, connecting the two coils into a continuous copper wire. The weld protrusion is then ground and trimmed. The ground weld and its adjacent areas are then sprayed with color to form a color-marked segment on the surface of the continuous copper wire. The continuous copper wire is then fed into the machine. A color detection mechanism scans the surface of the copper wire in real time. When a color-marked segment is detected, a trigger signal is generated. The PLC controller calculates the delay trigger time based on this trigger signal, the feed speed, and the physical axial distance, and controls a cutting mechanism to cut and remove the continuous copper wire containing the color-marked segment. This invention effectively reduces copper wire waste during the wire changing process, achieves automatic identification and removal of waste segments during continuous wire feeding, and ensures processing continuity.
Owner:FAW QI NEW POWER (CHANGCHUN) TECHNOLOGY CO LTD

Imaging systems for facial detection, license plate reading, vehicle overview, and vehicle make, model, and color detection

A system comprising: a camera defining an optical axis and a field of view; an illuminator mounted offset from the optical axis to illuminate at least a portion of the field of view; and an image processer operatively connected to the camera. The image processor including machine readable instructions configured to: receive image data representative of an image of a vehicle captured with the camera, perform facial detection, perform license plate detection and / or decoding for at least one license plate in the image, and provide a vehicle overview image. The at least one license plate having a retroreflectance cone, the camera being positioned outside the retroreflectance cone. The camera and the illuminator are configured to properly expose faces through vehicle glass, retroreflective license plates, and vehicle body features all in a single exposure regardless of whether the exposure occurs under noon-day sun or dark night conditions.
Owner:RAPISCAN HOLDINGS INC

An industrial endoscope packaging box

PendingCN122379939AImage resolutionColor target
The present application relates to a kind of industrial endoscope packaging box for performance detection, including square packaging box body, at least one inner surface of the box cover, box bottom, side wall and dust wing of packaging box body is printed with target pattern for detecting the performance of industrial endoscope, target pattern includes one or more of color target pattern for color detection, resolution target pattern for resolution detection, depth of field target pattern for depth of field test, distortion target pattern for testing the geometric distortion of imaging system and defect simulation pattern for simulating defect;Any one side wall of packaging box body is provided with side wall through hole in the center.The present application makes the packaging box can be used as the target of industrial endoscope performance detection in addition to packaging, facilitates the quick detection verification of user to industrial endoscope.
Owner:SHENZHEN WEISHI OPTOELECTRONIC TECH CO LTD

A phosphor copper surface color detection device

PendingCN122361314AForeign matterPhosphor bronze
This invention provides a phosphor bronze surface color detection device, relating to the technical field of phosphor bronze processing quality inspection equipment. The phosphor bronze surface color detection device includes a detector installed inside a mounting frame. A lifting device is installed at the upper end of the detector and is fixedly connected to the upper end of the mounting frame. A worktable is installed at the lower end of the mounting frame, and a controller is fixedly connected to the surface of the worktable. A cleaning assembly for cleaning the material surface is installed at the feed end of the worktable. The cleaning assembly includes a mounting frame for mounting the cleaning assembly, which is fixedly connected to the upper surface of the feed end of the worktable. Through the interaction of components such as the cleaning plate, mounting plate, guide wheel, and insert plate in the cleaning assembly, both sides of the material entering the equipment for testing are effectively cleaned, ensuring that dust or foreign objects do not affect the test results during testing, thus improving the accuracy of the equipment's testing.
Owner:ANHUI CHUJIANG HIGH PRECISION COPPER STRIP CO LTD

A method for online monitoring and early warning of printed content.

PendingCN122090461AAchieve quantificationavoid ambiguitySemantic analysisManufacturing computing systemsPattern recognitionEngineering
This invention discloses an online monitoring and early warning method for printed content, relating to the field of printed content monitoring and early warning. The method includes: extracting character edge contours and skeleton features to calculate character distortion; comparing the identified text sequence with the original printed design character by character, performing semantic analysis on candidate deviation positions using natural language processing to identify printed text deviations, and then matching the identified text with an infringement content feature database; if infringement content is found, triggering an infringement warning; locating the ink color detection area based on the gradient amplitude of pixel points in the printed image and calculating the ink color shift difference; continuously collecting the character distortion, the number of occurrences of printed text deviations, and the ink color shift difference of the same batch of printed materials to predict the content quality trend of subsequent printed materials in the batch, triggering a batch warning when quality risks exist. This method can provide early warning and guide equipment adjustments before printing quality defects accumulate to exceed limits.
Owner:CHANGSHA ACCOR COLOR PRINTING CO LTD

Pipe water quality monitoring and automatic control device based on color detection

ActiveCN224479534UPipe waterAutomatic control
The application relates to a pipeline water quality monitoring and automatic control device based on color detection, relating to the technical field of water quality monitoring and pipeline control, which comprises a color detection device, a control module, a sewage discharge valve and a recycled water control valve. The color detection device is arranged on a sampling branch connected with a main pipeline, adopts a self-provided light source to detect the color index of water flowing through the sampling branch, and provides a water quality state signal for the control module. The sewage discharge valve is arranged on a pipeline between the main pipeline and a sewage discharge port. The recycled water control valve is arranged on a pipeline between the main pipeline and a recycled water outlet. The control module connects the sewage discharge valve or the recycled water control valve to be opened according to the water quality state signal provided by the color detection device. The device can eliminate the interference of ambient light, has high detection precision, can realize a double-threshold judgment mechanism, and is automatically controlled without needing personnel on duty.
Owner:FONGS NAT ENG (GUANGDONG) CO LTD

Industrial button color intelligent recognition method and system based on YOLO and SVM fusion

PendingCN122336499AFeature vectorColor recognition
This invention discloses an intelligent color recognition method and system for industrial buttons based on the fusion of YOLO and SVM. The invention inputs the image to be detected into the YOLO model to obtain the button bounding box, preliminary classification results, and confidence scores. After cropping the ROI, the mean, standard deviation, and median of the HSV and RGB spaces are extracted to construct a standardized feature vector, which is then input into the SVM to obtain refined classification results and confidence scores. Finally, based on the confidence threshold, an adaptive fusion strategy using YOLO priority, SVM priority, consistent weighting, or weighted voting is employed to obtain the final color recognition result. This invention balances speed and accuracy through a two-stage coarse detection to fine classification pipeline, enhances robustness through multi-color space statistical features, and achieves confidence-driven intelligent decision-making through the adaptive fusion strategy. It can also interface with MES and PLC to complete product release or interception, significantly improving the automation and reliability of industrial button color detection.
Owner:TPV ELECTRONICS (FUJIAN) CO LTD

A color detection stand for printing of a specification

ActiveCN224317159URadiation pyrometryColor measuring devicesSoftware engineeringMechanical engineering
The utility model discloses a color detection support for printing of instruction manual relates to instruction manual printing technical field. The color detection support for printing of instruction manual, including U type seat, fixed assembly and auxiliary mechanism, is provided with two groups of transverse plate no.
Owner:CHONGQING CHANGYANG PRINTING CO LTD

Graphical User Interface for Controlling Festival Light Welding Machines for Electronic Devices

1. Name of the product in this design: Graphical User Interface for Controlling a Festival Light Welding Machine for Electronic Equipment. 2. Purpose of this design: An electronic device. 3. The key design features of this product are its graphical user interface content. 4. The picture or photo that best illustrates the key design points: Design 1 front view. 5. Design 1 is designated as the basic design. 6. Purpose of the graphical user interface: This interface is the core of the human-machine interaction of the festival light welding machine, used to realize parameter setting, motion control and status monitoring of the festival light welding machine. 7. Other situations requiring explanation are illustrated in the diagrams: Design 1 main view - Design 10 main view represent the main operating interface of the equipment; clicking "Test Parameters" in Design 1 main view will take you to the interface state diagram related to "Motor Detection" control; clicking "Test Parameters" in Design 2 main view, then clicking "Color Detection" at the top of the page, will take you to the interface state diagram related to "Color Detection" control; clicking "Operating Parameters" in Design 3 main view will take you to the interface state diagram related to "Process Parameters" control; clicking "Operating Parameters" in Design 4 main view, then clicking "Equipment Parameters" at the top of the page, will take you to the interface state diagram related to "Equipment Parameters" control; clicking "Manual Debugging" in Design 5 main view will take you to the interface state diagram related to "Output Debugging" control. The interface changes for Design 5, which controls the "Test" function; click "Manual Debugging" in the main view of Design 6, then click "Input Signal" at the top of the page to enter the interface changes for Design 6 related to "Input Signal" control; click "Channel Configuration" in the main view of Design 7 to enter the interface changes for Design 7 related to "Channel Configuration" control; click "String of Lights Configuration" in the main view of Design 8 to enter the interface changes for Design 8 related to "String of Lights Configuration" control; click "String of Lights Configuration" in the main view of Design 9, then click "Forced Setting" at the top of the page to enter the interface changes for Design 9 related to "Forced Setting" control; click "System Information" in the main view of Design 10 to enter the interface changes for Design 10 related to "String of Lights (LED)" control.
Owner:程志杰

Color detection and control device for printing press

This utility model relates to the field of printing press technology and discloses a color detection and control device for a printing press. It includes a main frame, a paper roll, a take-up roller, a guide device, an auxiliary detection device, and an integrated device for multiple color sensors. The auxiliary detection device and the integrated device for multiple color sensors are located on the top surface of the main frame. A paper roll is located at one end of the bottom of the main frame, and a take-up roller is located at the other end. The integrated device for color sensors is located within the auxiliary detection device. The sensors in the integrated device for color sensors are slidably connected to sliding insertion slots on a crossbeam via snap-fit ​​blocks. These sliding insertion slots have multiple snap-fit ​​slots and positioning magnets, facilitating sensor installation and position adjustment, improving sensor installation flexibility, and adapting to various paper sizes.
Owner:LIAONING XINHUA PRINTING CO LTD

Sterilization indicator reading apparatus with color detection

The present disclosure provides embodiments of a sterilization indicator reading apparatus. The sterilization indicator reading apparatus includes a plurality of wells disposed in a housing configured to receive a plurality of biological indicators. Each well includes a first region spaced apart from a second region. A heater is thermally coupled with each well. The housing further includes a printed circuit board including a plurality of fluorescent excitation sources, plurality of white light sources, and plurality of color sensors. A first fluorescent excitation source, first white light source, and a first color sensor are disposed in the first region. A second white light source and a second color sensor are disposed in the second region. The printed circuit board further includes a processor and a memory. The processor is communicatively coupled with the heaters, the plurality of fluorescent excitation sources, plurality of white light sources, and plurality of color sensors.
Owner:SOLVENTUM INTELLECTUAL PROPERTIES CO

Parameter regulation method for new traditional chinese medicine drug pilot plant based on al multimodal technology

PendingCN122284344ABiotechnologyPilot plant
This invention relates to the field of equipment control technology, and particularly to a method for parameter control of pilot-scale equipment for new traditional Chinese medicine (TCM) drugs based on AI multimodal technology. The method includes the following steps: S1: Obtaining the expected quality of fresh Dendrobium officinale extract and setting optimization targets based on the expected quality; S2: During the preparation of the fresh Dendrobium officinale extract, online real-time acquisition of multimodal data of the fresh Dendrobium officinale processing and real-time control parameters of the extraction pilot-scale equipment; S3: Constructing an enzyme activity model based on the multimodal data and calculating the enzyme activity index; S4: Constructing a Dendrobium officinale polysaccharide pyrolysis model based on the real-time control parameters and calculating the Dendrobium officinale polysaccharide pyrolysis index. This invention overcomes the time lag defect of color detection, ensuring that the color quality of the extract is always controlled within the preset target range.
Owner:GUANGZHOU V PACK IND CO LTD

Device for evaluating the continued existence of traffic signals for pedestrian crossings and method for evaluating the continued existence of traffic signals for pedestrian crossings

ActiveJP2026111215ATraffic signalSimulation
This invention provides a device for evaluating the continued existence of traffic signals for pedestrian crossings, which evaluates whether existing pedestrian signal lights remain in place. [Solution] The pedestrian crossing traffic signal retention evaluation device 1 is installed near an existing pedestrian crossing traffic signal on a road and consists of a lighting color detection unit that detects the lighting color of the pedestrian signal light, a pedestrian detection unit that detects pedestrians crossing the pedestrian crossing H, and a processing unit connected to the lighting color detection unit and the pedestrian detection unit that performs a retention evaluation of the pedestrian crossing traffic signal. The processing unit counts the number of pedestrians crossing the pedestrian crossing who comply with the lighting color (first number A) and the number of pedestrians who ignore the lighting color (second number B), and calculates the ratio P of the second number B to the total number of the first and second numbers A and B. Whether or not the pedestrian crossing traffic signal will remain in operation is evaluated based on whether or not this ratio P is above a threshold.
Owner:KYOSAN ELECTRIC MFG CO LTD

Color sensor system and color detection method

This invention belongs to the field of sensor technology and discloses a color sensor system and a color detection method. The system includes: a light source; a light receiving unit; a light source driving circuit; a signal processing circuit; and a control unit configured to: in a first detection stage, control the light source driving circuit to output a first-level driving current, and simultaneously switch the gain of the signal processing circuit to the first-level gain, acquiring a first set of measurement values ​​output by the signal processing circuit; in a second detection stage, control the light source driving circuit to output a second-level driving current different from the first-level driving current, and simultaneously switch the gain of the signal processing circuit to the second-level gain different from the first-level gain, acquiring a second set of measurement values ​​output by the signal processing circuit; and, based on the comparison result of the first set of measurement values ​​and / or the second set of measurement values ​​with a preset calibration value, output a color recognition signal. This invention can solve the technical problem of insufficient color detection accuracy in existing color sensors.
Owner:SHENZHEN CHEVEN TECH

Color detection method and electronic device

The application discloses a color detection method and an electronic device. The method comprises the following steps: determining a target color region in a first image corresponding to a to-be-detected object based on HSV color space values of the first image, wherein the image content of the first image is obtained by photographing the to-be-detected object when the to-be-detected object emits light; comparing the target color region with standard color data to obtain a color detection result corresponding to the to-be-detected object, realizing automatic detection of light-emitting color, improving color detection efficiency, and ensuring color detection accuracy by using HSV for color detection.
Owner:QUECTEL TELECOM TECH CHANGZHOU CO LTD