69 results about "Color compensation" patented technology

The application discloses a mobile phone screen display image enhancement method and system, and relates to the technical field of mobile phone screen control.The method comprises the following steps: acquiring a user face video stream and mobile phone space motion data; identifying head posture information according to the user face video stream; identifying mobile phone posture information by using an extended Kalman filter according to the mobile phone space motion data; calculating a polarization axis included angle between a polarization axis of polarized sunglasses and a polarization axis of a mobile phone screen according to the head posture information and the mobile phone posture information; determining mobile phone screen adjustment parameters according to the polarization axis included angle; and performing compensation processing on the mobile phone screen according to the mobile phone screen adjustment parameters, wherein the compensation processing comprises brightness compensation and color compensation.The application can determine mobile phone screen adjustment parameters in combination with head posture information and mobile phone posture information, and perform brightness compensation and color compensation, so as to realize display image enhancement, and improve accuracy and user experience.

This invention relates to the field of projection equipment technology, specifically providing a temperature-adaptive color correction system and method for DLP projection equipment. The system includes an optical temperature monitoring module comprising four temperature sensors for temperature monitoring; a main control processing module using a microcontroller as the core processor, comprising four ADC channels for color compensation calculation; and an execution drive module comprising a first subunit (RGB laser driver circuit connected to the microcontroller), a second subunit (multi-zone fan control circuit), and a third subunit (power management circuit) for heat dissipation control. The microcontroller is connected to an EEPROM memory chip via an I²C bus. A heat dissipation structure module includes four axial fans and corresponding air ducts for each fan. Multiple temperature sensors are placed on key optical components such as the RGB laser and DMD chip to monitor the actual operating temperature of each area in real time.

The application relates to the technical field of display, and discloses a self-adaptive color deviation compensation method and device of a liquid crystal display screen and a storage medium, the method comprising the following steps: collecting real-time ambient light change data, and generating ambient light feature data set; analyzing the mapping relationship between screen color deviation and light parameters in the ambient light feature data set, determining the interference mode of ambient light on screen color; constructing a color rule database according to the interference mode, and generating a reference data matrix for real-time color deviation compensation; generating a self-adaptive color adjustment curve based on the reference data matrix, determining color compensation parameters under different ambient light conditions; and generating a color compensation scheme according to the color compensation parameters, and adjusting the color presentation of the display screen in real time. The application solves the problem of screen color deviation of the liquid crystal display screen under complex and changeable light environments, realizes real-time correction of the liquid crystal display screen, and ensures the accuracy of color display under different light environments.

The present application relates to the technical field of image analysis, and specifically provides a special-shaped sample color measurement defect correction and error compensation method and system based on image analysis, which comprises the following steps: collecting an original image of a sample to be measured and preprocessing the original image to obtain a to-be-measured image; matching the to-be-measured image with a pre-constructed color measurement defect standard database, identifying defect features and positions through an image analysis algorithm, matching a correction strategy to obtain a correction image of an effective color measurement area; adjusting color measurement instrument parameters according to the defect features, collecting color values of the effective area, and performing mean value processing to obtain original average color values; extracting image shape, material and color core features, matching a color compensation algorithm in association with the original average color values, and completing compensation to obtain target color values. The method realizes full-process automation of special-shaped sample color measurement, effectively eliminates collection deviations caused by shapes, improves color measurement precision and efficiency, and adapts to industrial high-precision control requirements.

The invention discloses a saturation adjustment method, an electronic device, a storage medium and a computer program product, and relates to the technical field of image recognition, and the method comprises the steps: analyzing the color distribution condition of a to-be-processed image frame, and obtaining a color compensation coefficient, the color distribution condition comprising a color ratio, and the color ratio is inversely proportional to the color compensation coefficient; determining a basic saturation compensation coefficient corresponding to the illumination parameter of the current environment, and obtaining a target compensation coefficient based on the color compensation weight and the basic saturation compensation coefficient; and adjusting the saturation of the to-be-processed image frame based on the target compensation coefficient to obtain a target image frame. The technical problem that the display effect is poor due to the fact that current display equipment is poor in environment self-adaptive capacity is solved.

The invention relates to a multi-degree-of-freedom desilting and obstacle clearing operation track planning and control method, and belongs to the technical field of desilting and obstacle clearing operation. The method comprises the following steps: dividing an underwater image collected by a multi-beam image sonar into a plurality of sub-images, carrying out two-dimensional Fourier transform on each sub-image to obtain a frequency domain signal after Fourier transform, and denoising to obtain a denoised underwater image; performing color compensation on the denoised underwater image to obtain a compensated underwater image, and training a deep learning model to obtain a sludge recognition model; and using the sludge identification model to detect the sludge in the water at the target dredging position so as to complete the dredging operation. According to the method, the deep learning model is trained by using the denoised underwater image, the sludge identification model for the sludge features is constructed, and compared with a traditional image processing method based on threshold segmentation, edge detection and the like, deep features of the sludge in multiple dimensions such as texture, color, shape and the like can be adaptively extracted; and high-precision detection and segmentation of the sludge area are realized.

The invention relates to the technical field of digital signal processing, and provides an MIP LED light color compensation driving method and device based on deep learning. The method comprises the following steps: acquiring real-time data of an MIP LED array, preprocessing the real-time data, and generating a multi-modal data tensor formed by standard data; performing decoupling processing on the data tensor by constructing a decoupling network to generate a decoupling component; performing volt-ampere characteristic modeling based on product data of the MIP LED array to generate volt-ampere characteristic parameters, and generating compensated driving voltage according to the decoupling component and the volt-ampere characteristic parameters; and performing fusion processing on the driving voltage and a driving signal in the real-time data to generate a control signal. Real-time data containing driving signals and the like are firstly obtained, brightness and other components are separated through decoupling processing, compensation driving voltage is generated in combination with hardware volt-ampere characteristics, finally, control signals are generated through fusion, and the stability, accuracy and uniformity of light color output of the MIP LED array are effectively improved.

The invention relates to a display device, a method of compensating brightness and color of the display device, and an electronic device. The display device includes: a display panel including a plurality of compensation areas, each of the plurality of compensation areas including at least one pixel; a driving controller including a compensation controller and a luminance color compensator, the driving controller performing luminance and color compensation for each of the plurality of compensation regions and generating a voltage code and a data signal; a gamma reference voltage generator receiving the voltage code and generating a gamma reference voltage based on the voltage code; and a data driver connected to the driving controller and the gamma reference voltage generator, and generating a data voltage based on the data signal and the gamma reference voltage. Each of the plurality of compensation regions after luminance and color compensation may have a target gamma value and a target color coordinate. The plurality of compensation regions may be shifted while brightness and color compensation is performed.

The invention relates to the field of intelligent wearable equipment, and discloses intelligent sleeve glasses type multifunctional liquid crystal dimming glasses which comprise a glasses frame, glasses legs are fixedly connected to the two sides of the glasses frame, a color adjusting assembly is fixedly connected to the outer portion of the glasses frame, a shell is fixedly connected to the outer portions of the glasses legs, and an interaction assembly is installed in the shell. The shell is used for communicating with a mobile terminal APP and customizing the light transmittance, and a modularized light color self-adaption and audio enhancement integrated system is installed in the shell. The light color sensing module is arranged to collect ambient light intensity and spectral information in real time, a multi-layer color adjusting assembly composed of a red dye liquid crystal layer, a blue dye liquid crystal layer and a neutral gray light reducing film is combined, and a light color compensation algorithm integrated in the central processing module is used for cooperative operation. The driving voltage of the three layers of optical films can be dynamically adjusted according to specific color temperature characteristics of ambient light and user setting, so that color cast is compensated while brightness is adjusted.

The invention discloses a multi-dimensional visual uniformity compensation and enhancement method for a curved-surface tail lamp. The method comprises the following steps of S1, performing angle and distance compensation on a display image of the curved-surface tail lamp; s2, splicing compensation is carried out on the curved surface tail lamp display image; and S3, performing color compensation on the curved surface tail lamp display image. The invention provides a multi-dimensional visual uniformity compensation and enhancement method for a curved surface tail lamp, so that the brightness perception of the whole tail lamp tends to be consistent no matter from which angle an observer sees in a preset observation area, and the brightness difference caused by the curved surface is eliminated. On the premise that hardware is not changed, edge transition is softened and strengthened through an algorithm, the abrupt feeling of a splicing seam is greatly weakened, and the integrity and continuity of display are improved. It is guaranteed that the tail lamp displays any color accurately and consistently, LED supersaturation or damage caused by excessive driving is avoided, reliability is improved, and the service life is prolonged.

This invention relates to the field of display control technology, specifically a method for reducing the power consumption of LED televisions. The method acquires illuminance using an ambient light sensor with integrated infrared suppression function, and generates effective ambient light feature values ​​through time-delay nonlinear hysteresis filtering; calculates the average image level and brightness histogram of video frames to generate image content features; calculates first and second backlight reference values ​​respectively, and uses a cross-state weight allocation strategy to dynamically map the target backlight adjustment value. Simultaneously, it extracts video motion vector information to bypass redundant calculations of static images; employs a nonlinear cosine gradient mathematical function to achieve a smooth transition of the physical backlight, and simultaneously uses a weighted piecewise linear enhancement curve for pixel-level visual lossless color compensation. This invention achieves a multi-dimensional dynamic balance between image quality protection, extreme energy saving, and computational optimization in complex scenarios.

This invention discloses a collaborative advertising printing method, device, and medium based on edge computing, relating to the field of edge computing technology. The method includes: distributing print data streams to edge computing nodes according to an advertising printing collaborative execution queue; continuously monitoring the changing trends of color compensation amplitude and paper feed compensation amplitude during print data stream correction; generating a compensation instability migration control sheet; based on the compensation instability migration control sheet, marking the continuation positions of unfinished tasks in the advertising printing collaborative execution queue; transferring unfinished tasks to available edge computing nodes in the node collaborative allocation relationship for continued execution; synchronously updating the cache reuse status and carrying stability status; and generating a closed-loop collaborative advertising printing archive. This invention improves the collaborative processing efficiency of advertising printing tasks among multiple edge computing nodes.

The application discloses a Rayleigh scattering self-adaptive color compensation image defogging method, applied to the technical field of image processing, and comprises the following steps: based on the improved bright channel, reference images are obtained to segment bright and dark areas of a foggy image, a threshold value is set to select the image of a dark channel prior theory failure part, the transmittance is optimized through a tolerance value, the foggy image is smoothed by using a guide filter, and the atmospheric light value is analyzed through the Rayleigh scattering theory; the image is evaluated by using an HCC objective parameter, the atmospheric light value of the B channel is repeatedly iterated and compensated, and finally, the image defogging is completed. The application effectively improves the image defogging precision, enriches the image details, solves the image color difference problem, improves the image brightness, and eliminates the sky area halo problem.

An optical device includes a display device emitting a light and a polarization rotator. The polarization rotator is disposed in front of a light emitting surface of the display device. The polarization rotator includes a wave plate assembly and a back polarizer. The wave plate assembly includes a first quarter-wave plate having an optical axis oriented at a first angle, a first half-wave plate having an optical axis oriented at a second angle, and a second quarter-wave plate having an optical axis oriented at a third angle, in which the first half-wave plate is between the first quarter-wave plate and the second quarter-wave plate, and the second angle is different from the first angle and the third angle. The wave plate assembly is optically coupling between the back polarizer and the display device.

The invention relates to a composite pane (1) for separating an interior (INT) from an exterior (AMB), at least comprising, in the following order, an outer pane (2) having an exterior-side surface (I) and an interior-side surface (II), a first connecting layer (4), at least one photovoltaic component (6), which has at least one colored semitransparent photovoltaic cell (7), a second connecting layer (5), and an inner pane (3) having an exterior-side surface (III) and an interior-side surface (IV). A color compensation layer (8) is formed on the interior-side relative to the at least one photovoltaic component (6), and at least in the regions of the composite pane (1) in which the at least one colored semitransparent photovoltaic cell (7) is provided in a view through the composite pane (1), the transmission through the composite pane (1) from the exterior (AMB) into the interior (INT) deviates from the mean value by a maximum of 5% points in the wavelength range of 400 nm to 780 nm.

Lighting fixtures, including: an array of light-emitting diodes (“LED”) light sources, wherein each LED light source defines a color channel of the illuminator, a driver circuit that drives the array of LED light sources; a lens; a motor with a motor shaft the motor shaft is connected to the motor and the lens, and wherein the motor shaft rotates to reposition the lens arrangement such that one rotational position of the motor shaft corresponds to one position of the lens relative to the light sources, and a controller comprising a non-volatile, computer-readable medium and a processing unit, wherein the controller has computer-executable instructions stored in the non-volatile, computer-readable medium for controlling the operation of the lighting device in order to: to receive an initial output color spectrum for the array of LED light sources that corresponds to a color output spectrum of the illuminator, to perform an optical modification of the output color spectrum of the lighting device, to determine a compensation value based on the optical modification in order to modify the first output color spectrum into a second output color spectrum that compensates for the changes to the output color spectrum of the illuminator resulting from the optical modification, based on the compensation value, to generate a first control signal to drive the array of LED light sources with the second output color spectrum, and to control the driver circuit using the first control signal.

A display device comprises a display panel including a plurality of compensation areas, each of which includes at least one pixel, a driving controller including a compensation controller and a luminance color compensator, performing a luminance and color compensation for each of the compensation areas, and generating a voltage code and a data signal, a gamma reference voltage generator receiving the voltage code and generating a gamma reference voltage based on the voltage code, and a data driver connected to the driving controller and the gamma reference voltage generator and generating a data voltage based on the data signal and the gamma reference voltage. Each of the compensation areas after the luminance and color compensation may have a target gamma value and a target color coordinate. The compensation areas may be shifted while the luminance color compensation is performed.

The application discloses a virtual-real fusion image matting method and device, electronic equipment and storage medium. The method comprises the following steps: collecting an ultra-long-focus lens image of a current scene, and extracting pixel features of a specified part region of an object subject and a green screen region on the ultra-long-focus lens image to obtain a part standard feature set and a green screen standard feature; collecting a to-be-processed lens image of the current scene, and mapping coordinates of each pixel of the part standard feature set to a coordinate system of the to-be-processed lens image to obtain a part feature mapping region; performing image matting on the to-be-processed lens image to obtain an initial mask; matching the pixel features in the part feature mapping region with the part standard feature set, correcting the gray values of the pixels in the initial mask, and obtaining an optimized mask; matching the pixel features of the green screen region of the to-be-processed lens image with the green screen standard feature, performing color compensation on the green screen region of the to-be-processed lens image, and obtaining an optimized lens image; and performing image matting on the optimized lens image based on the optimized mask to obtain a final image matting image.

This invention discloses a training method, system, and device for an underwater image enhancement model, relating to the field of image enhancement technology. The method includes: extracting the natural light field map and detail map of an underwater image; merging the detail map with the natural light field map after Gaussian filtering to obtain a detail degradation map; determining non-offset color channels in the green and blue channels of the natural light field map, performing color compensation on the red and non-offset color channels, and merging the color-compensated natural light field map with the detail map to obtain a color compensation map; reducing the brightness of the underwater image to obtain a low-brightness map; adding Gaussian noise to the underwater image to obtain a noise map; and using the detail degradation map, low-brightness map, and noise map as negative samples, and the reference clear image and color compensation map as positive samples, thereby completing the training of the underwater image enhancement model. This significantly improves the color calibration capability and contrast enhancement performance of the underwater image enhancement model for underwater images.

The invention relates to the technical field of traditional Chinese medicine liver and gall disease detection, and provides a traditional Chinese medicine liver and gall disease detection method and system based on a video computing technology. Compensating the face video data through a nonlinear color compensation algorithm to obtain color compensation face video data; extracting a multi-modal pulse wave signal, and processing the multi-modal pulse wave signal through an enhancement and denoising fusion algorithm to obtain an enhanced and denoised pulse wave signal; motion artifact suppression is conducted on the enhanced and denoised pulse wave signals through a time-space domain motion artifact self-adaptive suppression algorithm, and artifact suppression pulse wave signals are obtained; calculating a heart rate variability parameter based on the artifact suppression pulse wave signal; the heart rate variability parameters are recognized through a traditional Chinese medicine liver and gall disease classification recognition algorithm, and a traditional Chinese medicine liver and gall disease detection result is obtained. The accuracy and efficiency of traditional Chinese medicine liver and gall disease detection are improved through heart rate variability parameter analysis guided by the traditional Chinese medicine syndrome theory and a disease classification recognition algorithm.

The application discloses a generalized attenuation image enhancement method with adaptive color compensation and detail optimization, which comprises the following steps: correcting the color deviation of an input image by an attenuation map guided color correction method; improving the contrast of the image after color compensation by using a gradient guided local contrast enhancement method; optimizing the edge of the image after color compensation by using a multi-scale edge optimization method; and realizing the artifact-free fusion of the two images after contrast enhancement and edge optimization by combining a multi-scale fusion process. The application solves the problems of poor visibility, low contrast and color distortion of images obtained in turbid medium scenes such as underwater, haze and dust.

The method, device and equipment for color compensation processing provided by the embodiments of the present application store the first temperature of the current laser scanning unit LSU and the first correction data after the color ACR correction is completed; obtain the second temperature adjacent to the first temperature and the second correction data corresponding to the second temperature in the color correction record table, and obtain the first temperature compensation value corresponding to the first temperature and the second temperature compensation value corresponding to the second temperature in the temperature compensation table; and correct the temperature compensation table based on the difference between the first correction data and the first temperature compensation value and the difference between the second correction data and the second temperature compensation value. The color correction record table stores the actual correction data of the current device, the temperature compensation table stores the standard temperature compensation value, and the temperature compensation value of the corresponding temperature interval in the temperature compensation table can be corrected based on any two correction data, so as to improve the color matching precision.

Embodiments of the present application provide a display device and a display correction method of the display device, and relate to the technical field of display. The display device comprises a display configured to display image content; a backlight module configured to provide a backlight light source for the display; and a controller configured to determine a standard gamma table corresponding to a preset backlight value; obtain a color coordinate compensation coefficient; determine a color coordinate deviation value at a current temperature according to the color coordinate compensation coefficient; update the standard gamma table according to the color coordinate deviation value at the current temperature, and display the image content by using the updated standard gamma table. Embodiments of the present application compensate for the influence of temperature on the color of the display device, improve the accuracy of color compensation of the display device, and improve the display effect of the display device.

The invention discloses an underwater image enhancement method and system based on dynamic multi-channel compensation. The method comprises the following steps: acquiring an underwater image to be processed, limiting the exclusive tensile strength of a red channel, and performing linear dynamic range stretching based on high and low quantiles on the red, green and blue channels; carrying out defogging based on inverse operation of an atmospheric scattering model; performing color correction on the blueprint image and the greenish image by adopting a difference color compensation strategy dominated by a green channel through iterative circulation; performing mean value centralization fine adjustment on the channels a and b in the Lab space; and carrying out enhancement processing on the brightness channel in an HSV space, extracting feature details of different levels, carrying out edge detection, and fusing the details, edge information and the original brightness channel to obtain an enhanced underwater image. According to the method, the blue or green image is adaptively processed, so that red channel lost information is effectively recovered, the visual effect of the underwater image is remarkably improved, and the detail presentation, color accuracy and overall definition of the image are enhanced.

The application provides a meibomian gland visualizer, comprising a camera and a projector; the camera is provided with a connecting frame for fixation, and comprises a camera, a light and shadow processor, a core processing chip and a signal instant transmitter; after the camera takes an image, the image is subjected to color compensation and repair through the light and shadow processor, and then transmitted to the projector through the signal instant transmitter; the projector is provided with an adjusting frame for adjustment, and comprises a light source, an image display chip, a projection lens and a signal instant receiver; the signal instant receiver receives information of the signal instant transmitter and transmits the information to the image display chip; the image display chip instantaneously transmits the image to the outside through the light source and the projection lens; the application can directly project relevant influences, and treatment operation is performed through intuitive observation, thereby reducing the difficulty of massage caused by no visual field.

The invention provides an optical system, a processing method and display equipment, and is applied to the technical field of optics. The optical system comprises a light source assembly which comprises at least one light-emitting chip corresponding to three primary colors respectively, and the light-emitting chips of the same color generate monochromatic light at the same time; a display assembly including a plurality of display areas; and the first modulation assembly is provided with a plurality of modulation areas corresponding to the plurality of display areas, and different modulation areas can modulate monochromatic light of different colors so as to carry out color compensation on the corresponding display areas.

This application proposes an image processing method, apparatus, electronic device, and storage medium. The method includes: obtaining a first layer of a target interface to be displayed by a target application, wherein the first layer is determined based on an initial layer of the target interface rendered by a graphics processing unit (GPU) in the electronic device; performing color compensation on the first layer according to color compensation information corresponding to the GPU; and displaying the target interface according to the color-compensated first layer. By performing color compensation on the first layer according to the color compensation information corresponding to the graphics processing unit, a color-compensated first layer corresponding to the target interface to be displayed on the electronic device is obtained, so that the color-compensated first layer has color consistency, thereby achieving color display consistency of the target interface on different electronic devices and improving the visual effect.

The application discloses a color adjusting method and device, a storage medium and a terminal device. The method comprises the following steps: acquiring a backlight control coefficient corresponding to a display picture and transmittance data of a display device corresponding to the display picture; determining an image color compensation coefficient corresponding to each pixel point in the display picture according to the backlight control coefficient, the transmittance data and a pixel value corresponding to each pixel point; and adjusting a color parameter of the display picture according to the backlight control coefficient and the image color compensation coefficient corresponding to each pixel point. After the display picture is acquired, the backlight control coefficient corresponding to the display picture, the transmittance data and the image color compensation coefficient corresponding to each pixel point are acquired, and the display picture is color adjusted based on the transmittance data. In this way, the influence of the transmittance overlapping area of the display device on the color of the display picture can be reduced, the color authenticity of the display picture is improved, and the phenomenon that the display picture is color distorted can be avoided.

The disclosure provides a compensation method and device of image data, a terminal and a storage medium. The method comprises: determining a color mixing compensation coefficient and a base color compensation coefficient corresponding to a preset gray scale according to first image data of a first type of image and / or second image data of a second type of image; wherein the pixel display ratio of the first type of image is greater than the pixel display ratio of the second type of image; the first image data and the second image data both comprise image data corresponding to a plurality of first gray scales, and the plurality of first gray scales comprise the preset gray scale; determining an initial compensation coefficient according to a second gray scale in input data of a to-be-displayed image and the color mixing compensation coefficient; correcting the initial compensation coefficient according to the pixel display ratio of the input data to obtain a target compensation coefficient; and compensating the input data according to the target compensation coefficient and the base color compensation coefficient to obtain output data. The technical scheme of the embodiment of the disclosure can improve the visual experience of the display panel.

Embodiments of the present application provide an image processing method and an electronic device, and relate to the technical field of images, which are used to reduce the changes in brightness and color of a displayed image when switching between cameras during shooting. The method is applied to an electronic device, which includes a first camera and a second camera, and the shooting directions of the first camera and the second camera are the same. The method includes: in response to switching from the first camera to the second camera, acquiring a first image and a second image, the first image being an image captured by the first camera, and the second image being an image to be displayed captured by the second camera after switching between cameras; acquiring color information of the first image and color information of the second image; based on the color information of the first image and the color information of the second image, performing color compensation on the second image in a red-green-blue (RGB) space to obtain a compensated second image; and displaying the compensated second image.