| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 345604000 | Color space transformation (e.g., RGB to YUV) | 51 |
| 20080198174 | Image Input Unit and Image Input Method - The invention is characterized by the fact that an area sensor for outputting an analog signal responsive to the light reception amount of light of CMYG is used and when CMYG image data is converted into RGB image data, RGB image data having a domain also in negative values is generated without performing processing of putting the RGB image data into values of 0 or more, without decreasing the information amount of the CMYG image data. Further, the invention is characterized by the fact that when the image data is recorded in a file section | 08-21-2008 |
| 20080211830 | Apparatus and Method for Video Signal Conversion - According to one embodiment, there is provided a video signal conversion apparatus including a determination unit which receives a video signal to determine whether the video signal is an xvYCC standard video signal or a YC | 09-04-2008 |
| 20080225056 | Redistribution of N-Primary Color Input Signals Into N-Primary Color Output Signals - A method of redistributing an N-primary color input signal (IS) having a particular number≧4 (N) of input components (I | 09-18-2008 |
| 20080252658 | Method of Converting Signals For Multi-Primary Color Display - A method is described which converts a three primary color input signal (Cx, Cy, Cz) into N drive signals (P | 10-16-2008 |
| 20080259092 | SYSTEMS AND METHODS FOR COLOR MANAGING CONTENT ELEMENTS ON A DISPLAY DEVICE - A system and method for color managing content elements on a display device are provided. The systems and methods for color managing content elements on a display device comprising using a set of color space characteristic values that describe a color space of the display device to create a profile having a multidimensional table encapsulating the display behavior as described by color space characteristic values for the display device. | 10-23-2008 |
| 20080284793 | Hue and saturation control module - A graphics processing graphics processing apparatus, which includes an RGB color space to a luminance color, blue color difference and red color difference (YCbCr) color space converter module configured to convert one or more pixel data from the RGB color space to the YCbCr color space using a set of approximated color space coefficients. The graphics processing apparatus further includes a hue and saturation control module coupled to the RGB to YCbCr color space converter module. The hue and saturation control module is configured to modify the hue and saturation of the pixel data in the YCbCr color space. The graphics processing apparatus further includes a YCbCr to RGB color space converter module configured to convert the pixel data from the YCbCr color space to the RGB color space. | 11-20-2008 |
| 20090027415 | Managing color output by appearance intent - In a method of managing color output by appearance intent a color display value is received. The color display value comprises at least one appearance intent tag and is associated with an item of graphic content. The color display value is converted into an intermediate color value such that an appearance intent specified by the appearance intent tag is preserved in the intermediate color value. The intermediate color value is converted into an output color display value recognizable by an output device, such that the appearance intent is preserved in the output color display value. | 01-29-2009 |
| 20090040234 | IMAGE PROCESSING DEVICE - An image processing device includes a first conversion unit including a color conversion matrix circuit that inputs first image data and outputs second image data. The color conversion matrix circuit is able to arbitrarily set a conversion coefficient. | 02-12-2009 |
| 20090066721 | METHOD AND SYSTEM FOR PROVIDING ACCELERATED VIDEO PROCESSING IN A COMMUNICATION DEVICE - Systems and methods for processing signals are disclosed. The method may include, in a communication device that includes a chip operating to processing video signals, receiving video data from a camera. The received video data may include alternating YUV formatted video data and RGB formatted video data. The received video data may be separated into separate YUV images and separate RGB images. The separate YUV images may be transferred to a first device, and the separate RGB images may be transferred to a second device. The camera may be configured to generate the video data that includes alternating YUV formatted video data and RGB formatted video data. The separate YUV images may be DMA transferred to the first device. A DMA controller may be configured to alternately transfer the separate YUV images and separate RGB images. The alternate transfer via the DMA controller may occur without assistance from on-chip processor. | 03-12-2009 |
| 20090079757 | METHOD FOR CONTROLLING DISPLAY AND DISPLAY SYSTEM USING THE SAME - A method for controlling a display and a display system using the same are disclosed. The method for controlling a display includes selecting one of a plurality of color space information stored at a monitor as color space information of a monitor, transmitting the selected color space information to a computer, selecting a profile corresponding to the transmitted color space information from among profiles stored at the computer, and applying the selected profile to an operating system (OS) of the computer. The method and system search a color profile according to a color space adjustment, and automatically register the searched color space to the OS. Therefore, errors occurred when the color is reproduced is minimized, and user convenience is maximized. | 03-26-2009 |
| 20090085926 | SYSTEM AND METHOD FOR CONVERTING RGB TO RGBW COLOR USING WHITE VALUE EXTRACTION - A system and method of converting a red-green-blue (RGB) pixel to a red-green-blue-white (RGBW) pixel by using a W value extraction, the RGB-to-RGBW converting system including: a lookup table generator to generate an RGBW lookup table using one or more RGB lattice points; and an RGBW value computation unit to compute an RGBW value of an input pixel with respect to an RGB value of the input pixel based on the generated RGBW lookup table. | 04-02-2009 |
| 20090184976 | System and Method for Color-Compensating a Video Signal Having Reduced Computational Requirements - A system for, and method of, color-compensating a video signal. In one embodiment, the system includes: (1) a first transformation circuit configured to receive and transform a gamma-encoded input video signal into a gamma-encoded RGB video signal R′G′B′ and (2) a second transformation circuit coupled to the first transformation circuit and configured to receive and linearly transform the gamma-encoded RGB video signal R′G′B′ into a chrominance-compensated, gamma-encoded rgb video signal r′g′b′. | 07-23-2009 |
| 20090184977 | MULTI-FORMAT SUPPORT FOR SURFACE CREATION IN A GRAPHICS PROCESSING SYSTEM - In general, the present disclosure describes various techniques for creation of surfaces using a platform interface layer wherein such surfaces may have different format layouts for various different color spaces, such as the YCbCr color space. One example device includes a storage device configured to contain surface information and one or more processors configured to create a graphics surface within a color space using a platform interface layer. The platform interface layer lies between a client rendering application program interface (API) and an underlying native platform rendering API. The one or more processors are further configured to specify a format layout of data associated with the surface within the color space using the platform interface layer and to store the format layout within the storage device. The format layout indicates a layout of one or more color components of the data associated with the surface within the color space. | 07-23-2009 |
| 20090231357 | MECHANISM FOR COLOR-SPACE NEUTRAL (VIDEO) EFFECTS SCRIPTING ENGINE - A first command is retrieved from a script containing one or more commands written for a first color space. The first command is associated with zero or more input buffers and zero or more output buffers. The first command has zero or more parameters. A behavior of the first command in the first color space and in a second color space is determined. The behavior comprises one of unique behavior, transparent behavior, and different behavior. The first command has the unique behavior when the first command only operates in the first color space. The first command has the transparent behavior when the first command generates similar results in the first color space and in the second color space. The first command has the different behavior when the first command generates different results in the first color space and in the second color space. Using the behavior of the first command, an operation associated with the first command is processed. The operation is processed in a preferred format based on current formats of the input buffers. | 09-17-2009 |
| 20090251487 | System and method for adaptive color space conversion - A method and system for adaptive color space conversion includes a color space converter, a brightness adaptive controller and a soft clipper. The color space converter receives a first color space format signal and converts the first color space format signal into a second color space format signal. The brightness adaptive controller is connected to the color space converter in order to produce a gain and an offset based on a brightness value. The soft clipper is connected to the color space converter and the brightness adaptive controller in order to clip the second color space format signal based on the gain and the offset to thereby produce a corrected second color space format signal. | 10-08-2009 |
| 20090315912 | METHOD FOR ADJUSTIG COLOR SATURATION AND IMAGE DISPLAYING SYSTEM APPLYING THE SAME - A method for adjusting color saturation, adapted for color adjustment of a pixel in a color space, is provided. The method includes: determining a color cube in the color space; selecting one from a plurality of diagonals of the color cube as a primary diagonal, and setting the primary diagonal at a vertical axis of the color space; determining a hue azimuth angle and a height in the color cube desired by the pixel; determining a reference point at an outermost periphery of the color cube corresponding to the azimuth angle, and obtaining a reference height and a reference horizontal distance of the reference point distant from the primary diagonal; and obtaining a color saturation value of the pixel by multiplying the reference horizontal distance with a ratio between the reference height and the height of the pixel. | 12-24-2009 |
| 20100033496 | Methods and Storing Colour Pixel Data and Driving a Display, Means for Preforming Such Methods, and Display Apparatus Using the Same - A method of storing colour pixel data provides the pixel data in YUV form with a first number of bits per colour component. The number of bits of the U and V components of each pixel data element are reduced to provide modified YUV data, wherein the reduction in the number of bits is carried out for each pixel without reference to other pixel data. Data are stored in a form which retains independence between each pixel. This enables processing of the data in the memory in a simple manner, for example enabling individual pixel data to be changed, and simplifying image processing such as rotation and mirroring. The luminance information Y is preserved, and only the chrominance information is compressed. This can enable high quality to be maintained in greyscale images and in text images, whilst also providing a loss in colour resolution to natural colour images which may not be perceived by a user. | 02-11-2010 |
| 20100085378 | Display Controller, Electronic Apparatus and Method for Creating a Translucency Effect Using Color Model Transform - A display controller is configured for creating a translucency effect for a target image area of a source image containing image data expressed in a first color model. The display controller has a first color model converter adapted for color model transformation of the image data from the first color model to a second color model based upon a first predefined set of transformation coefficients, as well as a second color model converter adapted for color model transformation of the image data from the first color model to the second color model based upon a second predefined set of transformation coefficients. The display controller is controllable to produce a destination image by selecting transformed image data from the second color model converter for the target image area and by selecting transformed image data from the first color model converter for other image area(s) of the source image than the target image area. | 04-08-2010 |
| 20100123733 | SYSTEM AND METHOD FOR THE DISPLAY OF EXTENDED BIT DEPTH HIGH RESOLUTION IMAGES - A novel and useful system and method for the serving and display of extended bit depth (EBD) high resolution images on a web browser using multimedia platform code or code for a graphics framework. To display an EBD image, such as an x-ray or MRI image set, on a web browser, the image data is mapped into a plurality of channels of pixels of a color image which a web browser is able to handle, where each channel holds a portion of the full dynamic range of the original EBD image. At the client, a color transform is applied to the color image data which takes into account the user's desired VOI settings. The resulting display image has the exact values as if the VOI was applied to the original EBD image and is dynamically mapped to the display capabilities of the client viewing framework thus enabling a reviewer to detect any available details of the image. | 05-20-2010 |
| 20100128059 | Decompression system and method for DCT-base compressed graphic data with transparent attribute - A decompression system for DCT-base compressed graphic data with transparent attribute includes a memory to store a compressed graphic data and a compressed mask data; a controller to read the compressed graphic data and the compressed mask data out of the memory; a first decompressor to decompress the compressed graphic data and generate a first color space image signal; a color space transformation device to transform the first color space image signal into a second color space image signal; a special color signal storage to store a plurality of special color signals; a second decompressor to decompress the compressed mask data and generate a select signal; and a first multiplexer to select the second color space image signal or a special color signal to output based on the select signal, wherein each special color signal indicates a different level of transparent attribute. | 05-27-2010 |
| 20100156929 | Ridge-based color gamut mapping - Techniques for color gamut mapping between source and destination devices are provided. The mapping is performed in a device-independent color space using color ridges of the primary and secondary color ramps of the source and destination devices. An iterative learning process is also provided to adapt the color gamut mapping to a user's perceptual preferences. | 06-24-2010 |
| 20100164981 | DATA COMPRESSION METHOD AND APPARATUS FOR IMAGE DISPLAY BASED ON OVERDRIVE PROCESSING - A data compression method and apparatus for image display based on overdrive processing is disclosed. An original image data is provided. The original image data is transformed from an RGB encoded format to a YUV encoded format. The transformation is compressed as the original image data with the YUV encoded format. The compressed original image data is written in a storage medium using a predefined method. The compressed original image data is decompressed. The original image data is transformed from the YUV encoded format to the RGB encoded format. The original image data is outputted to a display device using a driving unit. | 07-01-2010 |
| 20100164982 | IMAGE DISPLAY DEVICE - An image display device includes a timing controller capable of overdriving. The timing controller has three line buffers, an image reverse processing unit, and an overdrive unit. The first line buffer buffers first line data of a second frame, wherein the second frame is generated later than a first frame. The second line buffer buffers first compressed data. The image reverse processing unit estimates first and second line data of the first frame according to the first compressed data. According to the first and second line data of the first and second frames, the overdrive unit outputs first and second lines of interleaving data for an interleaving frame. The interleaving frame is inserted between the first and second frames. With the third line buffer, the timing controller outputs the first and second lines of interleaving data at different time point. | 07-01-2010 |
| 20100220111 | METHOD OF TRANSMISSION OF A VIDEO SEQUENCE OF IMAGES THAT HAVE TO BE COLOR TRANSFORMED USING LUT - Before the transmission of the source color values of the images of each group G | 09-02-2010 |
| 20100245383 | CIRCUIT FOR COLOR SPACE CONVERSION AND ASSOCIATED METHOD - A circuit for color space conversion and associated method compresses a portion of an xvYCC color space exceeding an sRGB color space into the sRGB color space via a simplified circuit design when a conversion from the xvYCC color space to the sRGB color space is performed, thereby improving visual effects. The circuit for color space conversion includes a conversion unit converting a pixel signal from the xvYCC color space to the sRGB color space. During the conversion, the conversion unit generates a pixel component on each dimension of the sRGB color space, and compresses the pixel component to output a compressed pixel component when a value of any pixel component is in a compression interval. The compressed pixel component does not exceed a defined range on a corresponding dimension of the sRGB color space. | 09-30-2010 |
| 20100259556 | DISPLAY SIGNAL CONVERSION APPARATUS - A display signal conversion apparatus converts a first signal having a first color type and color arrangement into a second signal having a second color type and color arrangement. The display signal conversion apparatus includes a color conversion unit configured to convert the first color type into the second color type, a pattern determination unit configured to determine a signal pattern of the first signal, a unit configured to determine a color arrangement of a pixel position of the second signal corresponding to a pixel position of the first signal, and a sub pixel signal generation unit configured to generate a sub pixel signal having the second color type and color arrangement based on a result of the signal pattern determination and a result of the color arrangement determination. | 10-14-2010 |
| 20110043535 | COLORIZATION OF BITMAPS - A bitmap may be transformed from one color scheme to another. In one example, the bitmap is used as part of a user interface (UI), and the colorization is performed to reflect a user's (or some other entity's) choice of color scheme. To perform the colorization, a bitmap may be converted from the red-green-blue (RGB) color space to the hue-saturation-lightness (HSL) color space. The hue may then be rotated toward the selected color scheme. Lightness and alpha (opacity) may be gamma-adjusted toward the selected color scheme. Saturation may be linearly adjusted upward or downward in the direction of the selected color scheme. The transformed HSL representation of the image may then be converted from the HSL space back to the RGB space. The new RGB bitmap may then be used to render one or more UI elements. | 02-24-2011 |
| 20110141135 | METHOD AND SYSTEM FOR PROCESSING IMAGE FILES - A system for processing image files includes a palette module, an image file disposal module, and an image file rebuild module. The palette module defines a plurality of colors. The image file disposal module processes a RGB image, and acquiring RGB values of all pixels of the RGB image. The image file rebuild module converts the RGB image to a new image displayed by the plurality of colors defined by the palette module. | 06-16-2011 |
| 20110164051 | COLOR CORRECTION TO FACILITATE SWITCHING BETWEEN GRAPHICS-PROCESSING UNITS - The described embodiments provide a system that facilitates a switch from using a first graphics-processing unit (GPU) to using a second GPU to drive a display. During operation, upon generation of a request to switch from using the first GPU to using the second GPU as a signal source for driving the display, the system obtains a transform (such as a lookup table) that enables the displayed color output from the second GPU to substantially match the displayed color output from the first GPU. The system then makes the transform available for use by the second GPU in driving the display. | 07-07-2011 |
| 20120092362 | SYSTEM AND METHOD FOR DETECTING LIGHT INTENSITY IN AN ELECTRONIC DEVICE - An electronic device and a method for testing the light intensity of the electronic device include setting a colorbar comprising a plurality of colors corresponding to different gray values. The testing method further includes read bitmap data of read image upon the condition that the read image is a gray image, and recording a pixel number corresponding to each gray value. The method further includes drawing a relationship curve between the plurality of gray values and corresponding pixel numbers and recoloring the gray image according to the plurality of colors in the colorbar corresponding to the gray values of each pixel in the gray image, and displaying the relationship curve and a recolored gray image on a display. | 04-19-2012 |
| 20120287149 | System and Method for Processing Graphics Operations with Graphics Processing Unit - Disclosed is a system and method for processing graphic operations on a plurality of data structures of an image with a graphics processing unit and memory. The disclosed techniques of the system and method create an accumulation buffer of the data structures for accumulating changes to the data structures. A separate buffer is then created from at least a portion of the data structures of the accumulation buffer. The disclosed techniques read the data structures from the separate buffer with the graphics processing unit. The graphics processing unit operates on the data structures read from the separate buffer with the operation. Then, the disclosed techniques write the results of the operation onto the portion of the accumulation buffer corresponding to the separate buffer. | 11-15-2012 |
| 20130063474 | MULTI-PRIMARY COLOR LCD AND COLOR SIGNAL CONVERSION DEVICE AND METHOD THEREOF - A color signal conversion method suitable for a multi-primary color LCD is provided, which includes converting an RGB (red, green, blue) color input signal into a YUV (brightness-chroma) color signal; performing a compensation on a chroma (UV) signal of the YUV color signal according to a minimum color signal of the RGB color input signal and a brightness (Y) signal of the YUV color signal, so as to output a compensated YUV color signal, and providing a W (white) color output signal according to the minimum color signal of the RGB color input signal; and converting the compensated YUV color signal into an RGB color output signal. | 03-14-2013 |
| 20130076779 | IMAGE DISPLAY SYSTEM - A method of configuring an image for data storage on a storage device in an overlapping-tiled format and a method of displaying a desired image selected for viewing on a display are disclosed. The method of configuring an image for data storage includes formatting an image to include a plurality of image tiles, each image tile in the plurality of image tiles having at least a portion that is substantially identical to at least a portion of an adjacent image tile in the plurality of image tiles. The method further includes converting data of the image from data in a first color space into data in a second color space so as to reduce a size of the data of the image, and storing the image data in the second color space. | 03-28-2013 |
| 20130207996 | COLOR MANAGEMENT SYSTEM - A color management system is provided that includes a color transformation unit that uses a profile connection space to perform a color transformation process on input image data based on an input side color transformation parameter associated with the input image data for translating an input device-dependent color value that describes the input image data into a device-independent color value of the profile connection space and an output side color transformation parameter for matching the device-independent color value to an output device-dependent color value. The color management system further includes an output device selection unit that enables a user to select at least two output devices from plural output devices that are available for selection, and a profile connection space generation unit that automatically generates the profile connection space according to a predetermined profile connection space generation method based on the gamuts of the output devices selected by the user. | 08-15-2013 |
| 20140035944 | Rendering and Un-Rendering Using Profile Replacement - Methods, systems, and apparatus, including medium-encoded computer program products, can perform rendering and un-rendering using profile replacement. A computer implemented method includes obtaining source image data associated with a source input-referred color space, transforming the source image data to intermediate image data associated with an intermediate input-referred color profile, applying a rendering operation to the intermediate image data by associating the intermediate image data with an intermediate output-referred color profile, and transforming the intermediate image data to destination image data associated with a destination output-referred color space using the intermediate output-referred color profile. The method further includes making available for output the destination image data. | 02-06-2014 |
| 20140132624 | Color Correction To Facilitate Switching Between Graphics-Processing Units - The described embodiments provide a system that facilitates a switch from using a first graphics-processing unit (GPU) to using a second GPU to drive a display. During operation, upon generation of a request to switch from using the first GPU to using the second GPU as a signal source for driving the display, the system obtains a transform (such as a lookup table) that enables the displayed color output from the second GPU to substantially match the displayed color output from the first GPU. The system then makes the transform available for use by the second GPU in driving the display. | 05-15-2014 |
| 20140176596 | METHOD AND SYSTEM FOR DYNAMIC BRIGHTNESS CORRECTION IN DIGITAL IMAGES - This disclosure generally relates to digital image and video signal processing, and more particularly to methods and systems for dynamic brightness correction. In one embodiment, an electronic circuit configured to perform an image correction method is disclosed, the method comprising: obtaining a pixel value of a color space component from an image; determining whether to perform mid-tone correction for the pixel value of the color space component; calculating, via the electronic circuit, a corrected pixel value based on the determination of whether to perform the mid-tone correction for the pixel value of the color space component; and outputting the corrected pixel value. The color space component may be one of: an Intensity component from a Hue-Saturation-Intensity color space; a Value component from a Hue-Saturation-Value color space; a Lightness component from a Hue-Saturation-Lightness color space; and a Brightness component from a Hue-Saturation-Brightness color space. | 06-26-2014 |
| 20140267371 | GPU-ACCELERATED, TWO-PASS COLORSPACE CONVERSION USING MULTIPLE SIMULTANEOUS RENDER TARGETS - Disclosed is a method including converting, during a first pass, video data from a first multi-component format to an intermediate multi-component format, the intermediate multi-component format including a first video component, the intermediate multi-component format including a second video component interleaved with a third video component, and converting, during a second pass, the video data from the intermediate multi-component format to a second multi-component format by de-interleaving the second component and third component. | 09-18-2014 |
| 20140292801 | COLOR SIGNAL PROCESSING METHOD AND APPARATUS, AND STORAGE MEDIUM FOR PERFORMING THE METHOD - Methods, apparatuses and storage mediums for processing color signals of an image are provided. A method includes converting an input signal in a first color space into a luminance component and a saturation component in a second color space, determining a boundary of the second color space by using the luminance component and the saturation component, determining whether the converted input signal is outside the boundary, and matching the saturation component so that the converted input signal outside the boundary of the second color space enters the second color space. The method may be carried out by a non-transitory computer readable storage medium. An apparatus includes a color signal a color space converter configured to convert an input signal in a first color space into a luminance component and a saturation component in a second color space; a color space boundary determiner configured to determine a boundary of the second color space by using the luminance component and the saturation component, and determine whether the converted input signal is outside the boundary; and a saturation matcher configured to match the saturation component so that the converted input signal outside the boundary of the second color space enters into the boundary of the second color space. | 10-02-2014 |
| 20140333662 | MULTI-SAMPLING ANTI-ALIASING COMPRESSION BY USE OF UNREACHABLE BIT COMBINATIONS - Techniques related to graphics rendering including techniques for improved multi-sampling anti-aliasing compression by use of unreachable bit combinations ae described. | 11-13-2014 |
| 20140354679 | DISPLAY CONTROL METHOD AND DISPLAY DEVICE USING THE DISPLAY CONTROL METHOD - A display control method of a display device involves detecting color characteristic parameters of one or more images to be displayed. The color characteristic parameters include RGB values that are compared with predetermined RGB values to obtain a comparison result. A working status of the color engine is controlled according to the comparison result. | 12-04-2014 |
| 20150015601 | ADAPTING AN X-RAY SLAVE IMAGE TO AN X-RAY MASTER IMAGE | 01-15-2015 |
| 20150062153 | Video Endoscopic System - Image data representing an image captured by a video endoscopic device is converted from a first color space to a second color space. The image data in the second color space is used to determine the location of features in the image. | 03-05-2015 |
| 20150317929 | METHOD AND DEVICE FOR IMAGE DETECTION - The present invention discloses a method and device for image detection. After an acquired dark state image of a display panel is divided into a plurality of areas according to a preset rule, RGB values of each area are determined and converted into XYZ values. The L* and C* values in the CIE-LCH standard are calculated and statistical analysis is performed to the L* and C* values of the areas in the dark state image to determine statistical parameters of the display image. A dark state uniformity coefficient of the dark state image is determined based on the determined statistical parameters, and the uniformity of the dark state image of the display panel is determined through the dark state uniformity coefficient. A standard for evaluating uniformity of a dark state image is established through the above process, which facilitates unified detection of uniformity of the dark state image of the display panel. | 11-05-2015 |
| 20150348503 | APPARATUS AND METHOD FOR COLOR ADJUSTMENT OF CONTENT - Disclosed is an apparatus and method for color adjustment of content, and the apparatus for color adjustment of content includes a color transformation criteria database to store and manage color transformation criteria corresponding to each of combinations of types of color blindness and emotions, a data input unit to obtain a type of color blindness of a user and information associated with a target emotion, a color transformation criterion acquisition unit to acquire a color transformation criterion corresponding to the type of color blindness of the user and the target emotion by searching the color transformation criteria database, and a content color adjusting unit to perform a content color adjusting operation based on the acquired color transformation criterion. | 12-03-2015 |
| 20150371605 | Pixel Mapping and Rendering Methods for Displays with White Subpixels - An electronic device may include a display having an array of display pixels. The display pixels may include red, green, blue, and white subpixels. Pixel mapping circuitry may convert red-green-blue pixel values in a frame of display data to red-green-blue-white pixel values using a brightness adjustment factor. The brightness adjustment factor may be determined based on ambient lighting conditions. The brightness adjustment factor be determined such that any color distortion resulting from applying the brightness adjustment factor is maintained under a just-noticeable-difference (JND) threshold. White subpixel values may be determined based on the brightness adjustment factor. Pixel rendering circuitry may be used to render red-green-blue-white pixel values onto the physical pixel structure. When a display pixel does not include a subpixel of a particular color, the pixel rendering circuitry may compensate for the missing color using nearby subpixels. | 12-24-2015 |
| 20160111063 | SYSTEM AND METHOD FOR OPTIMIZING DYNAMIC RANGE COMPRESSION IMAGE PROCESSING COLOR - A method for adjusting chrominance of one or more digital images comprising: receiving a digital representation of an image; adjusting a chrominance of said image using a first coefficient for image light luminance dynamic range compression, a second coefficient for image dark luminance dynamic range compression, and a third coefficient for image balance between light and dark compression. | 04-21-2016 |
| 20160163250 | DISPLAY CONTROLLER AND IMAGE PROCESSING METHOD - An image processing device includes a contrast adjusting unit that calculates an illumination light based on a brightness value of an input image signal, adjusts brightness of the illumination light, and generates a new brightness value, a color emphasis unit that calculates an illumination light based on a color value of the input image signal, adjusts brightness of the illumination light, and generates a new color value, and an output image signal generating unit that generates an output image signal for displaying an image on a transparent display device from the new brightness value and new color value. | 06-09-2016 |
| 20160180759 | OPTIMIZATION METHOD AND SYSTEM OF REAL-TIME LCD WHITE BALANCE SELECTION | 06-23-2016 |
| 20190147785 | IMAGE SIGNAL PROCESSING CIRCUIT, DISPLAY DEVICE HAVING THE SAME, AND IMAGE SIGNAL PROCESSING METHOD OF THE DISPLAY DEVICE | 05-16-2019 |
| 20220139296 | IMAGE INFORMATION PROCESSING METHOD, ELECTRONIC DEVICE AND STORAGE MEDIUM - Disclosed are an image information processing method, an electronic device and a storage medium. The method includes: acquiring a color gamut space configured for an interface to be displayed; acquiring a color gamut space of a screen; if the color gamut space configured for the interface to be displayed is inconsistent with the color gamut space of the screen, detecting whether a color gamut space conversion condition is satisfied; and if the color gamut space conversion condition is satisfied, converting the color gamut space of the screen to be consistent with the color gamut space configured for the interface to be displayed. | 05-05-2022 |
