35 results about "Color adaptation" patented technology

An image processing technique of achieving color matching in terms of image colors respectively observed at sending and receiving ends. A first image processing apparatus transmits image data to a second image processing apparatus which performs color adaptation conversion on the basis of output image illumination light source information and input image illumination light source information. The first image processing apparatus includes an input device which inputs input image illumination light source information and profile information of a source device, and a transfer device which transfers the input image illumination light source information, the profile information, and image data representing an input image in a form depending on the source device, to the second image processing apparatus. The second image processing apparatus performs color adaptation conversion through a communication line.

The invention discloses a color digital camera white balance correction method based on a color adaptation model. According to the method, a color correction matrix is calculated through adoption of a root-polynomial regression method, so device related response values RGB under a plurality of common light sources (hereinafter called the correction light sources) are converted into CIE1931 tristimulus values XYZ unrelated to devices under the same light source. RGB response values of an unknown light source (hereinafter called a test light source) in a practical scene are converted into an XYZ color space through utilization of a pre-calibrated color correction matrix, the corresponding colors of the RGB response values under a reference light source are calculated through utilization of a CAT02 color adaptation model, and the corresponding colors are the colors sensed by a visual system after an observer carries out color adaptation to the test light source.

A method and a device used for removing background colors from an image is provided, which removes background colors via processing an image in a colorimetric space. After determination (22) of a colorimetric value of background colors of the image, calculate (23) a color adaptation transform used for transforming the background color colorimetric value into a target color spot, the target color spot is usually a white spot. Then apply (24) the calculated color adaptation transform into the image.

A dental color system having primary and mixed colors with assigned coordinates in the CIElab color space, in which the colors of natural teeth are essentially located on coordinates within an ellipsoid-shaped space, which is assigned a longitudinal axis. In order for the color system to consist of a small number of primary and mixed colors and to allow an optimum color adaptation to the natural teeth surrounding the dental prosthesis, it is proposed that the primary colors consist of first primary colors and at least one group of second primary colors, that the coordinates of the first primary colors be positioned on the longitudinal axis of the ellipsoid-shaped space or on a base line extending from light to dark in the CIElab space, that the coordinates of at least one group of second primary colors be positioned in a plane that perpendicularly intersects the longitudinal axis or base line, and that the coordinates of mixed colors be intersection points of first and second straight lines, whereby at least one first straight line extends parallel to the longitudinal axis or base line and the respective second straight line is a connection between the coordinates of the first primary color and the second primary color.

Graphical style modification may be implemented using machine learning. A color accommodation module receives an image frame from a host system and generates a color-adapted version of the image frame. A Graphical Style Modification module receives a first image frame from a host system and applies a style adapted from a second image frame to the first image frame to generate a style adapted first image frame.

The invention discloses an interface color adaptation method, an interface color adaptation device, computer equipment and a storage medium. The method comprises the following steps: obtaining a basicpreference picture, and extracting the color value of the basic preference picture through an image palette; determining the dominant hue of the basic preference picture according to the proportion of the appearing number of each color value to the appearing number of all the color values; obtaining page element information contained in the interface, wherein the page element information comprises an element identifier and an element area, and the element area comprises a page element upper left corner coordinate and a page element lower right corner coordinate; based on the page element information, calculating the importance level of an element corresponding to each element identifier by adopting a preset calculation formula; and filling the element region of the element identifier corresponding to each importance level according to a preset mapping relationship to obtain target color matching of the interface. According to the interface color adaptation method, automatic adaptationof interface color matching is achieved, and the interface color adaptation efficiency is greatly improved.

The invention discloses a recommending processing method and system for automatic online decorative painting synthesis. The method includes the steps that an operation instruction of a user is received, picture works are browsed, and the works needing to the decorated are selected; color system analyzing is conducted on the works, and matched picture frames matched with the works are obtained; corresponding digital picture frame effect pictures are automatically synthesized, recommended and displayed according to the obtained matched picture frames matched with the works in color adaptation. According to the recommending processing method and system for the automatic online decorative painting synthesis, the matched picture frames matched with the works can be obtained according to the works selected by the user, the corresponding digital picture frame effect pictures are automatically synthesized, recommended and displayed, complex operation is reduced, and convenience is provided for the user; in addition, recommended and displayed decorative types can be automatically corrected and optimized according to the comment opinions of the user, that is existing data can be used for conducting machine learning, and therefore the recommending accuracy is improved.

The invention discloses a color configuration method of a status bar and related equipment. The method comprises the following steps: when an addition request of adding a target sub-page at a sub-pagelayer is detected, first, first color category information of a title bar of the target sub-page included in the addition request is obtained; Then, according to the first color category information,the color adaptation information of the system status bar is determined. Then, according to the color adaptation information, the color of the shading layer of the status bar is configured to match the color of the system status bar with the color of the title bar. By adopting the embodiment of the invention, the color of the system status bar can be configured according to the color adaptabilityof the title bar of the sub-page, thereby further improving the aesthetics degree of the application program interface based on the immersion status bar.

A video bitstream is received from an encoder, comprising encoded image portions each having a common form representing components of a channel in a color space. Each of a plurality of the encoded image portions comprises a different set of quantized values of the components, including at least a value of a first of the components being quantized from amongst a first scheme of quantized levels. Further, the received bitstream comprises a look-up table mapping the quantized levels of the first scheme to at least partially de-quantized respective levels. A de-quantizer uses the look-up table received in the bitstream to at least partially de-quantize the different quantized values of the first component in a plurality of the image portions, by converting the quantized values of the first component to at least partially de-quantized values corresponding to ones of the at least partially de-quantized levels of the first scheme.

The invention provides a multi-dimensional spectral color space construction method and device and electronic equipment, and relates to the technical field of color science. The method comprises the steps of: calculating the color appearance attribute value of a target object through a preset color appearance model after the source spectrum data of the target object is obtained, weighting a spectral principal component through a contribution rate to obtain a target spectral principal component, and finally, constructing a multi-dimensional spectral color space based on the color appearance attribute value of the target object and the target spectral principal component. In view of the fact that the color appearance model considers the influence of observation conditions on a human vision system, the effect of factors such as ambient light, color contrast and color adaptation on color vision can be simulated. The weighting processing weakens the average performance of different spectralprincipal components in application, and highlights the effect of important components, so that the multi-dimensional spectral color space obtained by the method is more suitable for actual needs andspecific application than the existing spectral color space.

A receiver receives a video bitstream from an encoder, comprising encoded image portions each having a common form representing components of a channel in a color space. Each of a plurality of the encoded image portions comprises a different set of quantized values of the components, including values of one or more first ones of the components quantized according to a first scheme. The received bitstream further comprises, for each of the one or more first components, an indication of one or more characteristic points in a respective quantization level distribution according to the first scheme, but fewer points per distribution than there are quantized levels of the respective distribution. A de-quantizer at least partially de-quantizes the different quantized values of that first component using the points of the respective distribution, by reconstructing the distribution from those points.

The embodiment of the invention discloses a theme color conversion method, electronic equipment and a computer readable storage medium. According to the embodiment of the invention, a drawing element is identified to obtain a first color which is being applied by the drawing element, and whether color conversion is performed on the drawing element is determined; and under the condition that it is determined that color conversion is carried out on the drawing element, converting a first color which is being applied by the drawing element into a second color according to a preset rule. Therefore, by adopting the embodiment of the invention, the problem of stock and third-party interface theme color adaptation can be solved, the workload for interface rectification is not needed, the colors in the drawing method called by the application are replaced by utilizing the set theme color replacement strategy, the color conversion of the drawing elements to be displayed in the display screen can be realized, and the user experience is improved. And user experience is improved.

The invention discloses an eagle-eye-imitating adaptive mechanism-based unmanned aerial vehicle sea surface small target identification method. The method comprises the following steps: 1, modeling aneagle-eye-imitating light and shade adaptive mechanism; step 2, modeling an eagle-eye-imitating color adaptation mechanism; 3, modeling an eagle-eye-imitating foreground and background adaptation mechanism; 4, performing amplitude phase spectrum reconstruction on the image after eagle-eye-imitating adaptation mechanism adjustment; 5, calculating a multi-scale gray difference; step 6, calculatingsignificant information and normalizing the significant information; and step 7, outputting a saliency map of the unmanned aerial vehicle of the eagle-eye-imitating adaptive mechanism for identifyingthe sea surface small target. The invention has the advantages that: 1) an eagle eye mechanism is introduced into a small target detection process, so that the capability of capturing preys in variousenvironments in thousands of meters of high altitude of an eagle can be better mapped to the task requirement of an unmanned aerial vehicle for long-distance identification and tracking of the unmanned ship; 2) the unmanned aerial vehicle can greatly adapt to various sea surface environments, such as sea surface scale light, sunny days, cloudy days, dusk and the like, by using an eagle eye self-adaptive mechanism;.