63 results about "Color management" patented technology

To provide an information processor, a color management method, and a color management program that simplify an operation for managing colors of a plurality of printing devices.SOLUTION: A color management server includes: a registration unit 251 that registers, according to an instruction from a color expert, a patch image for printing on one of a plurality of printing devices and / or color management setting information defining a condition for printing on the printing device; a sharing setup unit 255 that sets the patch image and / or the color management setting information accessible to one or more operators; and an access control unit 261 that, in response to a request from one of a plurality of operators, permits access to the patch image and / or the color management setting information set to be accessible to the requesting operator.SELECTED DRAWING: Figure 3

Several embodiments of scalable image processing systems and methods are disclosed herein whereby color management processing of source image data to be displayed on a target display is changed according to varying levels of metadata.

The present application belongs to the technical field of printing, and provides a method, device, equipment and storage medium for eliminating color difference in printing. The method comprises the following steps: obtaining initial printing data obtained after color management processing of a to-be-printed image; obtaining the concentration of each pixel point of the to-be-printed image according to the initial printing data; adjusting the concentration of each pixel point of each pixel row according to the cross-sectional perimeter of the position of the pixel row on a target object; and modifying the initial printing data according to the concentration of each pixel point obtained after the adjustment. The present application further comprises a device, equipment and storage medium for executing the above method. The present application can effectively eliminate color difference in printing.

A color management method is performed by a color management apparatus that performs color management based on data of a sheet subjected to printing and read by a reader including a colorimeter and a scanner. The method includes, in response to receiving a setting of a first operation mode in which the colorimeter moves a first width in a sheet width direction and reads all or at least one of patches arranged in the sheet width direction, performing the color management based on the data read in the first operation mode, and in response to receiving a setting of a second operation mode in which the colorimeter stops or moves a second width smaller than the first width in the sheet width direction and the scanner reads all or at least one of the patches, performing the color management based on the data read in the second operation mode.

Several embodiments of scalable image processing systems and methods are disclosed herein whereby color management processing of source image data to be displayed on a target display is changed according to varying levels of metadata.

Several embodiments of scalable image processing systems and methods are disclosed herein whereby color management processing of source image data to be displayed on a target display is changed according to varying levels of metadata.

A color management method, a color management apparatus, a computer program product, an image forming apparatus, and a reading apparatus perform color management in combination with a balance between a required quality and a delivery period. The color management device performs color management related to the image forming engine on paper printed by the image forming engine according to data read by a reading device arranged on a conveying path of the paper. The reading device is provided with a color photometer and a scanner. The color management device switches between a mode for acquiring data based on the first pattern and a mode for acquiring data based on the second pattern. The first pattern is a pattern in which the color photometer moves a first width in the width direction of the paper and reads all or some of the plurality of color patches arranged in the width direction of the paper. The second pattern is a pattern in which the color photometer stops or moves by a second width smaller than the first width in the width direction of the paper and the scanner reads all or some of the plurality of color patches arranged in the width direction of the paper.

PROVIDING VIDEO QUALITY WITH IMPROVED IMAGE FIDELITY SOLUTION: Some embodiments of scalable image processing systems and methods are disclosed herein in which the color management processing of source image data to be displayed on a target display (236) is varied according to different levels of metadata (204).SELECTED DRAWING: Figure 2A

The application discloses a fabric classification method and device based on color characteristics, and a storage medium. It relates to the field of data processing. The method comprises the following steps: printing a color standard on each fabric to be classified; using a spectrophotometric colorimeter to collect the CIE Lab color values of each color sample of the color standard on each fabric to be classified; constructing a curve corresponding to the ink of each color on each fabric to be classified; calculating the curve difference between the curves corresponding to the ink of each color between any two fabrics to be classified; obtaining the fabric difference value between any two fabrics to be classified; constructing a symmetric difference matrix; using a hierarchical clustering algorithm, based on the symmetric difference matrix, classifying the fabrics to be classified, and obtaining a classification result. Through the application, the problem of low efficiency of color management of fabrics due to the inability to classify fabrics based on the color characteristics of the reaction between fabrics and ink relying on artificial experience in related technologies is solved.

The invention is suitable for the technical field of color management, and provides an inkjet color calibration method and system based on material characteristics, and the method comprises the steps: obtaining a multiband reflectivity image of the surface of a to-be-inkjet substrate through multispectral imaging; extracting material features of the base material from the reflectivity image; acquiring ambient light spectrum data, and correcting the color appearance model; based on the material features and the corrected color appearance model, mapping a target color space to a device-related color space through a color conversion model, and generating a color conversion lookup table; according to the material characteristics, ink jet parameters are optimized; and according to the color conversion lookup table and the optimized inkjet parameters, controlling inkjet equipment to execute inkjet. According to the invention, the technical problems of color distortion, low calibration efficiency and inconsistent colors of multiple devices during cross-material painting due to the fact that the optical property difference of materials is not considered in the prior art are solved.

Several embodiments of scalable image processing systems and methods are disclosed herein whereby color management processing of source image data to be displayed on a target display is changed according to varying levels of metadata.

This application relates to the field of printed image color management technology, and in particular to a method, apparatus, computer device, and medium for generating a print preview image. The method includes: obtaining a gamut factor, a white balance factor, a hue response function, and a saturation function based on the printing scheme of the image to be printed and the default printing scheme corresponding to a mapping table; obtaining a first color value for each node based on the PreviewRGB value corresponding to each node in the mapping table; determining a second color value for the node based on the product of the gamut factor and the first color value of the node; obtaining a temporary RGB value for the node based on the product of the white balance factor, the hue response function, and the PreviewRGB value; obtaining a third color value for the node based on the temporary RGB value; obtaining a fourth color value based on the saturation function and the third color value of the node; converting the fourth color value into a target PreviewRGB value to obtain an updated mapping table; and generating a print preview image based on the updated mapping table. This method can save memory.

Several embodiments of scalable image processing systems and methods are disclosed herein whereby color management processing of source image data to be displayed on a target display is changed according to varying levels of metadata.

The invention discloses a high-simulation wood grain ceramic tile which sequentially comprises a base layer, a wood grain decorative layer and a composite functional layer from bottom to top, the base layer comprises the following chemical components in percentage by weight: 22-24% of Al2O3, 58-61% of SiO2, 2.5-3.5% of K2O, 1.8-2.8% of Na2O, 0.3-0.6% of Li2O and 2.0-3.0% of CaO, the green body density of the base layer is greater than or equal to 96%, the water absorption rate is less than or equal to 0.3%, and the composite functional layer is a composite functional layer. The wood grain decoration layer is prepared by combining a 8K Ultra ultra-clear imaging technology with a color management system with the color gamut coverage rate larger than or equal to 98% NTSC, the wood grain decoration layer is provided with a natural wood grain concave-convex texture with the depth ranging from 0.3 mm to 0.5 mm, and the number of non-repeated texture pieces of the wood grain decoration layer in the same ceramic tile product is larger than or equal to 120 pieces. Through the combination of 8K Ultra-clear imaging and a color management system technology, the wood grain resolution reaches 7680 * 4320 pixels, the color gamut coverage rate is larger than or equal to 98% NTSC, the fine structure and the natural color difference of wood are precisely restored, meanwhile, more than 120 pieces of textures of the same product are not repeated, and double high simulation of vision and touch is achieved in cooperation with the concave-convex three-dimensional texture with the depth of 0.3-0.5 mm.

Several embodiments of scalable image processing systems and methods are disclosed herein whereby color management processing of source image data to be displayed on a target display is changed according to varying levels of metadata.

A color management method is for a color management apparatus that performs color management related to an image forming engine, based on data read by a reading apparatus that includes a colorimeter and a scanner installed at a conveyance path of a sheet printed by the image forming engine and that reads the printed sheet. The color management apparatus switches modes between a mode of obtaining data based on a first pattern and a mode of obtaining data based on a second pattern. For the first pattern, the colorimeter is moved in a sheet width direction by a first width and reads all or part of patches arranged in the sheet width direction. For the second pattern, the colorimeter is stationary or moves in the sheet width direction by a second width, and the scanner reads all or part of the patches arranged in the sheet width direction.

A computer-implemented method for generating a color 3D model for a dental restoration. The method receives color information, a color distribution map, and shape for a tooth. The color information is assigned to the color distribution map. The color information and the color distribution map are then combined with the shape to generate a digital color 3D model. The resulting 3D model includes volumes for different color materials for the restoration to provide for color transition zones, which can be 3D printed from the 3D model to made a corresponding restoration.

The application discloses a printing method, a printer, a device and a storage medium. Material information of a to-be-printed image and current printing medium is acquired first. Then, a color characteristic curve and a color management curve are determined according to the material information. Next, the to-be-printed image is color-corrected according to the material information, the color characteristic curve and the color management curve, so as to obtain a target printing image. Subsequently, a printing operation is performed on the current printing medium according to the target printing image. According to the application, the corresponding color characteristic curve and color management curve are determined according to the material information of the printing medium, so that individual color management for different material printing media can be realized, thereby effectively reducing the color difference between different material areas and greatly improving the consistency and accuracy of colors.

Techniques are provided for recycling polarization and managing color within a compact optical illumination architecture. An LED array is segmented by color channels and coupled to a condenser lens array to collimate and homogenize irradiance. A polarization-recycling prism includes internal polarization interfaces and dichroic coatings configured for complementary spectral routing across wavelength bands. A polarization assembly, disposed within or adjacent to the prism and including a retarder plate and reflector, is utilized to convert light reflected in a first polarization state to a second polarization state for transmission through the prism.

The application discloses a printing output color correction method, device and equipment and a storage medium, and relates to the technical field of printing. The method compresses the maximum color gamut of a printing device to a reasonable range according to a target ink cutting amount of the printing device, and then a first color management curve based on the compressed color gamut is made and the first color density of each ink amount step is obtained, so that color correction can be conveniently performed when output color difference occurs due to aging of parts and other reasons of the printing device. The method corrects the output color of the printing device to be consistent with the original output color without replacing the aging parts or replacing the ink with higher concentration, ensures the stability of the color output of the printing device, is low in cost, and is convenient to operate.

Several embodiments of scalable image processing systems and methods are disclosed herein whereby color management processing of source image data to be displayed on a target display is changed according to varying levels of metadata.

The application relates to the field of digital printing equipment, and discloses a multi-modal data fusion digital printing equipment color dynamic calibration system, which comprises a data acquisition and preprocessing module, a tensor modeling and optimization module, a causal reasoning module, a feedback control module, a cross-equipment mapping module and a self-diagnosis module; the method comprises the following steps: through real-time acquisition of multi-modal data of equipment and environment, intelligent analysis and dynamic adjustment of control parameters, the problem that traditional color management methods lack real-time feedback and dynamic adaptation capability is solved, and the stability and accuracy of the color calibration process are ensured. Through acquisition of color, image, environment and equipment operation data, construction of multi-modal tensors and sparse feature compression, combination of causal structure learning, realization of color deviation reasoning and adjustment amount generation, auxiliary self-diagnosis mechanism and closed-loop control, real-time monitoring of the equipment operation state and dynamic adjustment of the color state are realized.

The invention discloses an OLED screen color development optimization system and method based on a color management engine, and relates to the technical field of OLED display, and the method comprises the following steps: collecting ambient light related data through an OLED screen integrated sensor to form an ambient light characteristic data set, and calling an equipment characteristic file to extract constraint parameters to form an equipment capability constraint data set; the method comprises the following steps: acquiring original data of a display picture, processing through a pre-trained lightweight semantic segmentation model, extracting features, and integrating to form a picture content chromaticity and brightness data set; constructing a deep learning regression model by taking the environment light characteristic data set, the equipment capability constraint data set and the picture content chromaticity and brightness data set as input, outputting a color development degradation index after training, and determining a high-priority region in combination with a region priority weight; and setting an optimization target and a constraint condition, calling a multi-target constraint optimization algorithm to solve a high-priority region compensation parameter, and issuing the high-priority region compensation parameter to a driving module to execute color development optimization.

For the reading unit used for color management, the operator can consciously set operating modes in which the ratio of data read by the colorimeter and the scanner differs. [Solution] The color management device performs color management based on data read from the paper by a reading unit installed on the transport path of the paper printed by the image forming unit. The reading unit comprises a colorimeter and a scanner. The first operating mode is in which the colorimeter moves by a first width in the paper width direction and reads all or some of the patches among a plurality of patches arranged in the paper width direction. The second operating mode is in which the colorimeter stops or moves by a second width smaller than the first width in the paper width direction and the scanner reads all or some of the patches among a plurality of patches arranged in the paper width direction. When the color management device receives a setting for the operating mode, it performs color management based on the data read in the set operating mode.

The embodiment of the application belongs to display technology, and provides a display device and a color conversion method. The method comprises the following steps: acquiring a duty cycle of a backlight partition in a display device; determining a dynamic color gamut vertex of the backlight partition based on the duty cycle of the backlight partition and a color gamut range of the display device under the backlight partition, and determining a dynamic color gamut matrix corresponding to the backlight partition according to the dynamic color gamut vertex; and performing color conversion on an input image signal of the backlight partition based on the dynamic color gamut matrix corresponding to the backlight partition. According to the scheme of the application, when the input image signal in the backlight partition causes the duty cycle to change, the dynamic color gamut vertex and the dynamic color gamut matrix can change synchronously, and the dynamic color gamut matrices corresponding to at least two backlight partitions are different, so that more refined color management can be realized for different backlight states of each backlight partition, colorimetric coordinate deviation caused by a fixed color gamut matrix is reduced, and the accuracy of color display is improved.

The application provides a kind of intelligent image processing method, equipment and storage medium for UV curing 3D inkjet printing, the method is by contour feature extraction to slice image, support area is intelligently identified based on interlayer contour change and geometric feature;According to the contour feature, the shrinkage judgment result and the overhanging area identification result, the printing data corresponding to the color ink layer, white ink layer, varnish layer, shaping layer and support layer are generated respectively, the above printing data is used as spot color channel, combined with the CMYK channel of color ink layer, and half tone processing is carried out on each channel data, finally a TIF format image file containing at least eight channels is generated and output, used to drive UV curing 3D inkjet printer, equipment and storage medium store for execution to realize intelligent image processing method.The application realizes the improvement of printing precision and material utilization rate, effectively solves the problems of support generation, color management and quality control in multi-material 3D printing.

The embodiment of the invention belongs to the display technology, and provides a display device and a color conversion method. The method comprises the following steps: acquiring a duty ratio of a backlight partition in the display device; and determining a dynamic color gamut vertex of the backlight subarea based on the duty ratio of the backlight subarea and the color gamut range of the display device under the backlight subarea, determining a dynamic color gamut matrix corresponding to the backlight subarea according to the dynamic color gamut vertex, and performing color conversion on the input image signal of the backlight subarea based on the dynamic color gamut matrix corresponding to the backlight subarea. According to the scheme, when the input image signals in the backlight subareas cause the change of the duty ratio, the dynamic color gamut vertexes and the dynamic color gamut matrixes can synchronously change, and the dynamic color gamut matrixes corresponding to the at least two backlight subareas are different, so that finer color management can be realized for different backlight states of the backlight subareas, and the color management efficiency is improved. And chromaticity coordinate offset caused by the fixed color gamut matrix is reduced, so that the color display accuracy is improved.

1. The name of the design product: video controller (LED). 2. The use of the design product: for sending video, image signal to the screen, and control processing of zooming, cropping, splicing, color management, etc. of video, image content. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view 1.