131 results about "Color management" patented technology

The invention provides a deep learning self-calibration system for high-precision color management, and relates to the technical field of color calibration, a system architecture comprises an algorithm layer, a system architecture layer and a data processing and optimizing layer, through fusion of multiple advanced algorithms in the algorithm layer, the precision of color correction is effectively improved, and the accuracy of color correction is improved. The high consistency of colors of printed matters in the whole production process is ensured, the quality stability of printed products is greatly improved, data processing is carried out through all modules of the data processing and optimizing layer, real-time data in the printing production process are efficiently processed, a model is dynamically updated, and the printing production efficiency is improved. The design of the system architecture layer provides a comprehensive adaptation scheme for large-scale production, multiple links and multiple equipment materials in the printing industry, the universality and flexibility of the system are enhanced, and the system is suitable for large-scale production, multiple links and multiple equipment materials in the printing industry. The time and labor cost for readjusting the system due to the change of equipment materials is reduced, and the production strain capacity of enterprises is improved.

According to the cultural relic mural three-dimensional digital protection and micro-change detection method, non-contact and damage-free image data acquisition and calculation are performed on the mural collection wall painting by using a digital photogrammetry correlation technology, and an orthographic image DOM and a digital surface model DSM of the mural collection wall painting are obtained. Color management is implemented in the links from data acquisition, calculation to result display, so that the color of the obtained digital orthographic image of the mural is consistent with the color of the actual mural. And carrying out fresco disease change analysis detection on the obtained fresco orthoimage and the digital surface model in a combined manner, obtaining the position and the area of the disease change, identifying the type of the disease, and finally outputting a fresco micro-change detection result extraction image. Scientific detection means and evaluation methods are provided for mural protection, and the efficiency of mural protection work is greatly improved. Meanwhile, detection data are analyzed, the change rule of the mural is mastered, the micro change trend of the mural is predicted, and the mural is effectively protected.

The invention provides an efficient and accurate frequency modulation screen printing color management color matching auxiliary system which comprises a collector, the collector comprises an image collection module, the image collection module can capture a multi-channel filter array of a printing manuscript through a multispectral imaging device, and an analyzer comprises a spectral analysis module and a color matching prediction module. The spectral analysis module is in communication connection with the image acquisition module, after low-dimensional feature vectors are generated, candidate schemes are listed, and the color matching prediction module predicts an ink matching scheme based on the low-dimensional feature vectors and a deep convolutional neural network; relates to the technical field of frequency modulation screen printing toning. According to the method, the limitation of traditional single-factor color matching is broken through by introducing a multi-modal data fusion (spectrum + base material + ambient light) and Bayesian optimization feedback mechanism, the nonlinear mapping problem of high-dimensional spectral data is solved through cooperation of manifold learning dimension reduction and deep neural network prediction, and efficient and accurate frequency modulation network color matching adjustment is realized.

The invention provides an intelligent image processing method and device for UV curing 3D ink-jet printing and a storage medium, and the method comprises the steps: carrying out the contour feature extraction of a slice image, and intelligently recognizing a supporting region based on the interlayer contour change and geometric features; printing data corresponding to the color ink layer, the white ink layer, the gloss oil layer, the shaping layer and the supporting layer are generated according to the contour features, the shrinkage judgment result and the overhanging area recognition result, the printing data serve as spot color channels and are combined with CMYK channels of the color ink layer, halftone processing is carried out on the data of the channels, and the color ink layer is obtained. And finally, generating and outputting a TIF format image file comprising at least eight channels, wherein the TIF format image file is used for driving the UV curing 3D ink-jet printer, the equipment and the storage medium storage and is used for realizing the intelligent image processing method during execution. According to the method, the printing precision and the material utilization rate are improved, and the problems of support generation, color management and quality control in multi-material 3D printing are effectively solved.

This invention provides an image processor, a processing method, a storage medium, and a mixed reality display system. The image processor includes: a first color management module, whose input is connected to a rendering module, for acquiring virtual layer data from the rendering module and performing first color processing on it; a second color management module, whose input is connected to a camera module, for acquiring real-world layer data from the camera module and performing second color processing on it; a layer blending module, whose inputs are respectively connected to the first and second color management modules, for performing layer blending processing on the color-processed virtual layer data and real-world layer data to determine mixed image data; and a third color management module, whose input is connected to the layer blending module, for acquiring mixed image data from the layer blending module, performing third color processing on it, and outputting the third-color-processed mixed image data to a mixed reality display.

An end-to-end color imaging system chromaticity characterization method based on hyperspectral calibration belongs to the field of color imaging, color display and imaging chromaticity measurement, and comprises the following steps: firstly, acquiring or calling hyperspectral cube data, and measuring red, green and blue three-channel spectral sensitivity curves and calibration coefficients of imaging equipment; fixed weight linear mapping is adopted, a pixel-level RGB image and a corresponding XYZ tristimulus value image are generated, and paired calibration samples are formed. And an end-to-end deep network is constructed to map any RGB image into an XYZ image. The method has good prediction precision and robustness, and can be widely applied to scene chromaticity measurement, color imaging color management, display calibration, camera color recovery and other chromaticity consistency demand scenes.

The invention 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 that multi-modal data of equipment and environment are collected in real time, intelligent analysis is carried out, and control parameters are dynamically adjusted, so that the problem that a traditional color management method lacks real-time feedback and dynamic adaptive capacity is solved, and the stability and accuracy of the color calibration process are ensured. According to the method, color, image, environment and equipment operation data are collected, a multi-modal tensor is constructed, sparse feature compression is carried out, color deviation reasoning and adjustment quantity generation are realized in combination with causal structure learning, and a self-diagnosis mechanism and closed-loop control are assisted, so that real-time monitoring of the equipment operation state and dynamic adjustment of the color state are realized.

The invention belongs to the technical field of printing color management, and provides a color restoration control method and system for an offset printer, and the method comprises the steps: firstly, detecting easy-control parameters and real-time change parameters of the printer, and transversely dividing a printed electronic file into a plurality of areas with the same number as ink areas of the printer; a printed matter scanning device is used for scanning a printing sample page, the chromatic aberration variable of each ink area between the printing sample page and a customer confirmation sample manuscript is calculated, an AI large model is used for learning to obtain the relation between the ink fountain opening degree variable quantity of each ink area and the corresponding chromatic aberration variable, and subsequent printed matter is scanned and detected in real time. And the AI large model generates ink key adjustment data of each ink area according to the detection result, and transmits the adjustment data to the printing machine for corresponding adjustment. The printing machine can be intelligently controlled according to the detected real-time parameters through intelligent learning of the AI large model, dependence on personal experience of a machine owner is reduced, and quality stability is guaranteed.

The invention discloses an intelligent interaction method and system based on ink-jet printing color recommendation, and relates to the technical field of color management, and the method comprises the steps: obtaining brightness value data of a fabric image and a printing template image; quantifying the glossiness of the surface of the fabric based on the change of the lightness values among the fabric images; quantizing texture complexity of the fabric surface based on distribution of lightness values between pixel points on each fabric image; correcting the color data of the printing template image to obtain corrected target color data; calculating theoretical spectral reflectance corresponding to the mixed ink in different proportions to obtain predicted color data of the mixed ink; the predicted color with the minimum color difference with the target color is matched, and a corresponding optimal ink matching parameter is obtained; according to the method, the glossiness and texture complexity of the fabric are quantified, a traditional color prediction model is corrected, the problem of deviation between the real object color and the screen color can be solved, and high-precision prediction and recommendation of the ink-jet color are achieved.

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 relates to the technical field of package printing, in particular to an offset printing lithographic plate high-saturation package color reduction printing method, device and equipment and a medium, and the method comprises the following steps: obtaining a standard Lab color value of a large-area intermediate color in a target image based on an international standardized color management system; separating an intermediate color in a target image to a user-defined spot color layer according to the standard Lab color value, and determining an overprinting proportional relation between basic CMY three colors and the intermediate color according to the user-defined spot color layer; screening optimization processing is carried out on an area corresponding to the overprinting proportional relation so as to reduce interference of basic CMY three colors on an intermediate color; and generating a standardized printing file containing the spot color layer and the basic CMY color, and finishing printing through an offset printing process. The offset printing method has the effect of solving the problems of insufficient color saturation and poor color stability in existing offset printing package printing.

A method for digitally printing a decoration onto a carrier material is provided including providing an analogue decoration; creating and saving at least one digital image thereof in the form of digital decoration raw data in the RGB colour space; digitally processing at least a part of the digital decoration raw data and creating processed digital decoration raw data; providing at least one set of printing parameters; transferring the processed digital decoration raw data and the at least one set of printing parameters to colour management or RIP software and calculating colour-space-profiled production data for the at least one set of printing parameters from the processed digital decoration raw data; calculating separation data from the colour-space-profiled production data outputting a digital image of the analogue decoration onto a carrier material using a digital printer, including the printing parameters for which the colour-space-profiled production data have been calculated.

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.

The invention discloses a display equipment color gamut mapping method based on LCH color space division, realizes high-precision mapping of a display equipment color gamut, and relates to the technical field of display equipment. The method comprises the steps that spectral energy distribution and XYZ chromatic values of a display device are collected and calculated, an original color gamut space is subdivided into a plurality of cubic or spherical areas, each area corresponds to specific brightness, saturation and hue ranges, a neural network model is used for learning and optimizing a color conversion rule, and the color conversion rule is obtained. Therefore, the mapping accuracy is ensured; meanwhile, by storing and calling the configuration file, the flexibility and convenience of the method are enhanced, an efficient solution is provided for color management under different devices and scenes, the accuracy and adaptability of color gamut mapping between the display devices are remarkably improved, and efficient color gamut mapping between various display devices in the industry is achieved.

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.

In printing, the substrate colorant is used for the color management process of images or artwork, printed on white ink / toner covered areas. With the specific inclusion of the substrate colorant, which reduces the amount of white ink / toner printed, a significant extension of the printing color, for substrates with chromatic coloring, or the darkness, for black substrates, is possible.

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.

The present invention provides a method, system, device and storage medium for page color management of semantic tags. The method includes: performing pattern segmentation on the pages in the page set based on the first image recognition to obtain the first type of semantic tags corresponding to each pattern after segmentation; performing the second image recognition on the local areas of different colors of each pattern respectively, and establishing a mapping relationship table of the second type of semantic tags corresponding to the local areas, the range of the local areas, and the current color; screening out the ranges with coordinates close to the current color corresponding to the second type of semantic tags in the optional color gamut coordinate system corresponding to the page set, and using the remaining optional color gamut as the optional range for adding new colors in subsequent pages. The present invention can effectively avoid the color chaos of different types of main bodies in the page, can effectively unify the colors of the same type of main bodies, ensure clear colors between different main bodies, reduce the work of manual checking, enhance the auxiliary function of web design, and improve the user experience.

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.

The present application relates to a wide-color gamut color management method applied to gravure printing, including: S1, producing a standard test proof; S2, establishing a standard ICC file; S3, configuring the color manuscript of the product to be printed; S4, performing color matching between the ICC file of the color manuscript to be printed and the standard ICC file by means of channel separation, and completing color matching after determining that the matching effect is appropriate. The color data after completion of matching is used to generate a matching color file for digital proofing and simulated printing; S5, performing digital proofing and simulated printing through the matching color file to obtain a digital proof, comparing the digital proof with the color manuscript of the product to be printed, and determining the color reproducibility; S6, determining the printing plate cylinder preparation process of the product to be printed according to the data of the matching color file, so as to produce the printing plate cylinder and perform printing. The present application has the effect of effectively realizing the color reproduction of the substrate film layer structure printing.

In printing, the substrate colorant is used for the color management process of images or artwork, printed on white ink / toner covered areas. With the specific inclusion of the substrate colorant, which reduces the amount of white ink / toner printed, a significant extension of the printing color, for substrates with chromatic coloring, or the darkness, for black substrates, is possible.

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 invention discloses a digital information control method and system for printing color management, which relates to the technical field of printing color management and includes: a production control module for monitoring production data during printing; a light simulation module integrated with multiple light modules for simulating multiple light environments for printed products; a color monitoring module including a position monitoring unit, a data acquisition unit, and a data analysis unit; the position monitoring unit selects monitoring points for color monitoring of printed products and monitors the color performance of each monitoring point under the corresponding light environment; the data acquisition unit captures the color data of each monitoring point under each light environment and records it. By setting multiple monitoring points on the printed product and establishing different light environments, the present invention accurately monitors the color performance of the printed product. The multiple monitoring points can cover different color areas on the printed product to ensure accurate monitoring of key color areas.