Hue Control Patents (Class 348/649)
  • Patent number: 11907520
    Abstract: Provided is a method for configuring at least one rule, e.g., using a graphical user interface. The method may include displaying a graphical user interface including a polygon having at least three edges and an icon at a first position within the polygon. Each edge of the polygon may be associated with a potential outcome of at least one rule. An input to move the icon to a second position within the polygon may be received. The graphical user interface may be displayed with the icon at the second position within the polygon. A distance from the second position of the icon to each edge of the polygon may be determined. The rule(s) may be adjusted based on the distance from the second position of the icon to each edge of the polygon. A system and computer program product are also disclosed.
    Type: Grant
    Filed: March 10, 2023
    Date of Patent: February 20, 2024
    Assignee: Visa International Service Association
    Inventors: Nathan Ryan Wood, Carl David Tucker, Jr., Benjamin Scott Boding, Cory Howard Siddens, Andrew John Bruno Naumann zu Koenigsbrueck
  • Patent number: 11656432
    Abstract: A lens for a camera has a longitudinal axis, a focal length, an installation length in the direction of the longitudinal axis of less than 10 mm, a plurality of refractive optical elements and a stop with a maximum diameter. The focal length of the lens can be in the range of 25 mm to 6 mm, and the ratio of focal length to maximum diameter of the stop can be in the range of 1.4 to 8. At least one refractive optical element can be formed of a material with an Abbe number for which the absolute value of the difference between relative partial dispersion of the material and a normal relative partial dispersion at the Abbe number of the material is at least 0.05.
    Type: Grant
    Filed: February 15, 2022
    Date of Patent: May 23, 2023
    Assignee: Carl Zeiss AG
    Inventors: Friedrich Daniel Werdehausen, Hans-Juergen Dobschal, Markus Seesselberg
  • Patent number: 11620040
    Abstract: Provided is a method for configuring at least one rule, e.g., using a graphical user interface. The method may include displaying a graphical user interface including a polygon having at least three edges and an icon at a first position within the polygon. Each edge of the polygon may be associated with a potential outcome of at least one rule. An input to move the icon to a second position within the polygon may be received. The graphical user interface may be displayed with the icon at the second position within the polygon. A distance from the second position of the icon to each edge of the polygon may be determined. The rule(s) may be adjusted based on the distance from the second position of the icon to each edge of the polygon. A system and computer program product are also disclosed.
    Type: Grant
    Filed: January 11, 2022
    Date of Patent: April 4, 2023
    Assignee: Visa International Service Association
    Inventors: Nathan Ryan Wood, Carl David Tucker, Jr., Benjamin Scott Boding, Cory Howard Siddens, Andrew John Bruno Naumann zu Koenigsbrueck
  • Patent number: 11546562
    Abstract: An image signal processor includes a first matrix processing circuit, a post processing circuit, a second matrix processing circuit, and a split visual and analytics circuit. The first matrix processing circuit is configured to receive a plurality of component images generated based on an image captured by an image sensor and generate a plurality of first matrix outputs based on the plurality of component images. The post processing circuit is configured to perform color conversion on the plurality of first matrix outputs to generate a first luminance component of the image and a chrominance component of the image. The second matrix processing circuit is configured to perform color conversion on the plurality of first matrix outputs to generate a second luminance component of the image and a saturation component of the image. The split visual and analytics circuit is configured to generate visual and analytic data of the image.
    Type: Grant
    Filed: October 8, 2021
    Date of Patent: January 3, 2023
    Assignee: TEXAS INSTRUMENTS INCORPORATED
    Inventors: Mihir Narendra Mody, Shashank Dabral, Rajasekhar Allu, Niraj Nandan
  • Patent number: 11368604
    Abstract: The invention provides methods for broadcasting video in a dual HDR/LDR format such that the video can be displayed in real time by both LDR and HDR display devices. Methods and devices of the invention process streams of pixels from multiple sensors in a frame-independent manner to produce an HDR video signal in real time. That HDR video signal is then tone-mapped to produce an LDR video signal, the LDR signal is subtracted from the HDR signal to calculate a residual signal, and the LDR signal and the residual signal are merged into a combined signal that is broadcast via a communications network.
    Type: Grant
    Filed: October 8, 2020
    Date of Patent: June 21, 2022
    Assignee: Contrast, Inc.
    Inventors: Willie C. Kiser, Nora Tocci, Michael D. Tocci
  • Patent number: 11172172
    Abstract: An image signal processor includes a first matrix processing circuit, a post processing circuit, a second matrix processing circuit, and a split visual and analytics circuit. The first matrix processing circuit is configured to receive a plurality of component images generated based on an image captured by an image sensor and generate a plurality of first matrix outputs based on the plurality of component images. The post processing circuit is configured to perform color conversion on the plurality of first matrix outputs to generate a first luminance component of the image and a chrominance component of the image. The second matrix processing circuit is configured to perform color conversion on the plurality of first matrix outputs to generate a second luminance component of the image and a saturation component of the image. The split visual and analytics circuit is configured to generate visual and analytic data of the image.
    Type: Grant
    Filed: December 30, 2016
    Date of Patent: November 9, 2021
    Assignee: TEXAS INSTRUMENTS INCORPORATED
    Inventors: Mihir Narendra Mody, Shashank Dabral, Rajasekhar Allu, Niraj Nandan
  • Patent number: 11070704
    Abstract: In a document represented by CMYK process colors, a color that a user wishes to remove is prevented from remaining without being removed by specified color removal, and even a color that the user does not wish to remove by rights is prevented from being removed.
    Type: Grant
    Filed: October 22, 2019
    Date of Patent: July 20, 2021
    Assignee: CANON KABUSHIKI KAISHA
    Inventor: Hidekazu Nakashio
  • Patent number: 11056050
    Abstract: An image processing unit includes: a gain calculating section obtaining, based on first luminance information for each pixel, a first gain, in which the first gain is configured to increase with an increase in pixel luminance value in a range where the pixel luminance value is equal to or larger than a predetermined luminance value, and in which the pixel luminance value is derived from the first luminance information; and a determination section determining, based on the first luminance information and the first gain, second luminance information for each of the pixels.
    Type: Grant
    Filed: July 3, 2019
    Date of Patent: July 6, 2021
    Assignee: Sony Corporation
    Inventors: Tomoya Yano, Makoto Nakagawa, Mitsuyasu Asano, Yasuo Inoue, Shoji Araki, Hidehisa Shimizu
  • Patent number: 11037481
    Abstract: Systems and methods for a multi-primary color system for display. A multi-primary color system increases the number of primary colors available in a color system and color system equipment. Increasing the number of primary colors reduces metameric errors from viewer to viewer. One embodiment of the multi-primary color system includes Red, Green, Blue, Cyan, Yellow, and Magenta primaries. The systems of the present invention maintain compatibility with existing color systems and equipment and provide systems for backwards compatibility with older color systems.
    Type: Grant
    Filed: February 19, 2021
    Date of Patent: June 15, 2021
    Assignee: BAYLOR UNIVERSITY
    Inventors: Mitchell J. Bogdanowicz, James M. DeFilippis, Gary B. Mandle
  • Patent number: 10916175
    Abstract: A method for correcting uniformity of a panel is provided. A display panel is set with four color patterns respectively, and respective raw data of the four color patterns are respectively measured by an optical instrument. Three primary color chromaticity variations are obtained based on the raw data of each of the four color patterns. A chromaticity uniformity table is obtained based on the chromaticity variations of three primary colors and chromaticity intensity. A proportional calculation is executed for the chromaticity uniformity table to obtain a luminance comparison table. A luminance uniformity table is obtained based on the chromaticity uniformity table, the luminance comparison table, and luminance intensity. The display panel adjusts an output signal based on the chromaticity uniformity table.
    Type: Grant
    Filed: November 21, 2019
    Date of Patent: February 9, 2021
    Assignee: PEGATRON CORPORATION
    Inventors: Wei-Hsing Huang, Sheng-Yao Cheng, Yu-Chen Tai
  • Patent number: 10805505
    Abstract: The invention provides methods for broadcasting video in a dual HDR/LDR format such that the video can be displayed in real time by both LDR and HDR display devices. Methods and devices of the invention process streams of pixels from multiple sensors in a frame-independent manner to produce an HDR video signal in real time. That HDR video signal is then tone-mapped to produce an LDR video signal, the LDR signal is subtracted from the HDR signal to calculate a residual signal, and the LDR signal and the residual signal are merged into a combined signal that is broadcast via a communications network.
    Type: Grant
    Filed: April 5, 2019
    Date of Patent: October 13, 2020
    Assignee: Contrast, Inc.
    Inventors: Willie C. Kiser, Nora Tocci, Michael D. Tocci
  • Patent number: 10535125
    Abstract: The processing of RGB image data can be optimized by performing optimization operations on the image data when it is converted into the YCbCr color space. For each Y-layer of the YCbCr image data, a 2D LUT is generated. The YCbCr image data is converted into optimized CbCr image data using the 2D LUTs, and optimized YCbCr image data is generated by blending CbCr image data corresponding to multiple Y-layers. The optimized YCbCr image data is converted into sRGB image data, and a tone curve is applied to the sRGB image data to produce optimized sRGB image data.
    Type: Grant
    Filed: March 21, 2018
    Date of Patent: January 14, 2020
    Assignee: GoPro, Inc.
    Inventors: Ying Chen, Sumit Chawla, Elizabeth Torres Edwards, Kartheek Chandu, Bo Ding
  • Patent number: 10462439
    Abstract: Color correction in high dynamic range video (HDR) using 2D look-up table (LUT) may be provided. The color correction may be applied in a decoder after decoding the HDR video signal. For example, the color correction may be applied before, during, or after chroma upsampling of the HDR video signal. The 2D LUT may include a representation of the color space of the HDR video signal. The color correction may include applying triangle interpolation to the sample values of the color component of the color space. The 2D LUT may be estimated by an encoder and signaled to the decoder. The encoder may decide to reuse a prior-signaled 2D LUT or use a new 2D LUT.
    Type: Grant
    Filed: October 3, 2016
    Date of Patent: October 29, 2019
    Assignee: VID SCALE, Inc.
    Inventors: Yuwen He, Yan Ye, Louis Kerofsky
  • Patent number: 10362247
    Abstract: A lens shading correction circuit includes a gain generator configured to generate a first gain value for each pixel of an input image in response to a gain generation parameter, and an adjustment circuit configured to receive the first gain value and first YUV data, and to adjust at least one of U and V values of the first YUV data using at least one of the first gain value and a Y value of the first YUV data.
    Type: Grant
    Filed: September 22, 2016
    Date of Patent: July 23, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Se Yun Kim, Yong Gu Lee, Tae Hyun Kim, Woong Hee Lee
  • Patent number: 10249260
    Abstract: An image enhancement method is provided, the method includes steps of converting grayscale values for each pixel of a preset image into a hue value, a color saturation value, and an intensity value for each pixel of the preset image; performing an enhancement process on the color saturation value for each pixel of the predetermined image; rectifying the color saturation value for each pixel of the preset image; and converting the post-rectified hue value, the post-rectified color saturation value, and the post-rectified intensity value for each pixel of the preset image into post-rectified grayscale values for each pixel of a preset image.
    Type: Grant
    Filed: August 24, 2015
    Date of Patent: April 2, 2019
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Junling Zhu, Hao Li, Shensian Syu
  • Patent number: 9973723
    Abstract: A method and system for adaptively mixing video components with graphics/UI components, where the video components and graphics/UI components may be of different types, e.g., different dynamic ranges (such as HDR, SDR) and/or color gamut (such as WCG). The mixing may result in a frame optimized for a display device's color space, ambient conditions, viewing distance and angle, etc., while accounting for characteristics of the received data. The methods include receiving video and graphics/UI elements, converting the video to HDR and/or WCG, performing statistical analysis of received data and any additional applicable rendering information, and assembling a video frame with the received components based on the statistical analysis. The assembled video frame may be matched to a color space and displayed. The video data and graphics/UI data may have or be adjusted to have the same white point and/or primaries.
    Type: Grant
    Filed: September 30, 2014
    Date of Patent: May 15, 2018
    Assignee: Apple Inc.
    Inventors: Haitao Guo, Kenneth I. Greenebaum, Guy Cote, David W. Singer, Alexandros Tourapis
  • Patent number: 9959604
    Abstract: The processing of RGB image data can be optimized by performing optimization operations on the image data when it is converted into the YCbCr color space. First, a raw RGB color space is converted into a YCbCr color space, and raw RGB image data is converted into YCbCr image data using the YCbCr color space. For each Y-layer of the YCbCr image data, a 2D LUT is generated. The YCbCr image data is converted into optimized CbCr image data using the 2D LUTs, and optimized YCbCr image data is generated by blending CbCr image data corresponding to multiple Y-layers. The optimized YCbCr image data is converted into sRGB image data, and a tone curve is applied to the sRGB image data to produce optimized sRGB image data.
    Type: Grant
    Filed: June 13, 2016
    Date of Patent: May 1, 2018
    Assignee: GoPro, Inc.
    Inventors: Ying Chen, Sumit Chawla, Elizabeth Torres Edwards, Kartheek Chandu, Bo Ding
  • Patent number: 9854136
    Abstract: There are provided a method and system for color correcting displays with different color gamuts. The method includes performing color correction on source picture content, using at least one of a non-reference type display having a non-reference color gamut and a reference type display having a reference color gamut. The performing step includes mastering the source picture content to provide mastered color corrected picture content for display on the reference type displays having a reference color gamut. The performing step further includes generating metadata for a subsequent inverse color gamut mapping that color transforms the mastered color corrected picture content for display on non-reference type displays having a non-reference color gamut. The subsequent inverse color gamut mapping is an inverse operation of a color gamut mapping applied during the color correction to obtain the mastered color corrected picture content for display on the reference type displays having the reference color gamut.
    Type: Grant
    Filed: December 14, 2007
    Date of Patent: December 26, 2017
    Assignee: THOMSON LICENSING DTV
    Inventors: Ingo Tobias Doser, Jurgen Stauder, Bongsun Lee
  • Patent number: 9723175
    Abstract: An image processing apparatus performs operations including: when a density value of a black component in uncorrected monochrome image data corresponding to each of pure colors including primary colors and secondary colors in color image data is lower than a reference density value, the uncorrected monochrome image data being obtained by a monochrome conversion from the color image data to monochrome image data, determining a correction content for correcting the density value of the black component in the uncorrected monochrome image data corresponding to at least each of the pure colors out of the pure colors and peripheral colors of the pure colors in a color space to a value equal to or higher than the reference density value; and obtaining corrected monochrome image data in which correction based on the determined correction content is reflected in the uncorrected monochrome image data.
    Type: Grant
    Filed: August 24, 2016
    Date of Patent: August 1, 2017
    Assignee: RISO KAGAKU CORPORATION
    Inventor: Mitsuaki Ishitoya
  • Patent number: 9589370
    Abstract: The invention relates to a method for assisting with the search for an element (E) having a predefined hue in an environment, the method comprising the provision of at least one image in color, said or each image comprising pixels, the method being characterized in that the method comprises the selection in said or each image of the pixels having a hue for which value of the parameter associated through the bijection is comprised between first and second values, the first and second values being chosen so that the set of hues, for which value of the parameter associated through the bijection is comprised between both chosen values, comprises the predefined hue.
    Type: Grant
    Filed: April 23, 2014
    Date of Patent: March 7, 2017
    Assignee: THALES
    Inventors: Alain Le Meur, Olivier Koch
  • Patent number: 9489725
    Abstract: An apparatus generates pixel data in a display. RGB pixel data is received corresponding to a target pixel of an image. A local adaption level is determined for the RGB pixel data representing perceived brightness of the RGB pixel data. The local adaption level is modified to generate a modified local adaption level. A transfer curve is generated based on the modified local adaption level and the transfer curve is applied to the input RGB pixel data. A local dimming value is generated to drive a light source driver of the display based on RGB pixel data for each of the pixels in the local dimming block and RGBW pixel data for each of the pixels in the local dimming block.
    Type: Grant
    Filed: October 22, 2015
    Date of Patent: November 8, 2016
    Assignee: LG Display Co., Ltd.
    Inventor: Kyungjoon Kwon
  • Patent number: 9039199
    Abstract: A projector includes a light modulation part modulating light generated by a light source part, a video signal processing part processing a video signal to be input, and a projection optical system projecting the light modulated by the light modulation part onto an external projection target to obtain a projected video image. The video signal processing part includes a blue light effect alleviating part alleviating effects of blue light on retinas. In a case where among a red signal, a green signal, and a blue signal included in a video signal, only a ratio of the blue signal is high, the blue light effect alleviating part generates a blue light effect alleviating signal for controlling the light source part to reduce the brightness of the projected video image as a whole.
    Type: Grant
    Filed: November 27, 2012
    Date of Patent: May 26, 2015
    Assignee: MITSUBISHI ELECTRIC CORPORATION
    Inventor: Katsumi Asakawa
  • Patent number: 9036087
    Abstract: A device for image processing includes a video signal receiver, for receiving at least one video signal, wherein an image frame of the at least one video signal includes: a plurality of pixel groups; a color engine; and an output stage, coupled to the color engine, for outputting the adjusted at least one video signal. The color engine includes: a local adjusting unit, configured to locally adjust at least one of color hue, luminance factor and saturation of a specific pixel group of the pixel groups without adjusting any other pixel group of the pixel groups, wherein the specific pixel group has color hue in a predetermined range that is a part of a full range of color hue; and a global adjusting unit, configured to globally adjust at least one of color hue, luminance factor and saturation of each of the pixels of the image frame.
    Type: Grant
    Filed: March 26, 2014
    Date of Patent: May 19, 2015
    Assignee: Novatek Microelctronics Corp.
    Inventors: Wei-Chen Su, Chung-Wen Hung
  • Patent number: 8947599
    Abstract: A system that adjusts chroma and luma values for a video signal is presented. During operation, the system receives a matrix of coefficients, which when applied to the chroma values and the luma values of a video signal produces substantially the same result as performing a sequence of discrete operations on the chroma values and the luma values, wherein the sequence of discrete operations includes one or more color-representation-conversion operations and one or more processing amplifier operations. For a given pixel of the video signal, the system performs a matrix-multiplication operation between a matrix representation of the chroma values and the luma values for the given pixel and the matrix of coefficients to produce a modified pixel.
    Type: Grant
    Filed: May 15, 2007
    Date of Patent: February 3, 2015
    Assignee: Apple Inc.
    Inventors: Samuel A. Figueroa, Jay D. Zipnick
  • Patent number: 8922667
    Abstract: In an image sensing apparatus adapted to apply user-settable image processing to a sensed image, display in an electronic viewfinder of an image to which a user-set image processing is applied and an image to which such image processing is not applied is switched with each passage of a predetermined period of time or in response to a user operation. Implementing a preview function with the electronic viewfinder image enables the user to check the results of the image processing in real time prior to actual image sensing by comparing the processed image and the original image to provide an easy-to-use preview function.
    Type: Grant
    Filed: May 20, 2009
    Date of Patent: December 30, 2014
    Assignee: Canon Kabushiki Kaisha
    Inventor: Yasufumi Oyama
  • Patent number: 8902367
    Abstract: A computer-readable storage medium storing an image processing program that causes a computer to execute a process includes, synthesizing, for each of frames included in a video image and to be processed, a synthesis image with an image of a synthesis target region existing in the frame by repeatedly executing a calculation using a Poisson's equation on the basis of the image of synthesis target region existing in the frame to be processed and the synthesis image to be replaced with the image of the synthesis target region, and thereby calculating, from an initial value image, a synthesis result image corresponding to a result obtained by synthesizing the synthesis image with the synthesis target region so as to sequentially execute a synthesis process on the frames of the video image; and setting, for each of the frames to be processed, initial values by setting, as the initial value image.
    Type: Grant
    Filed: November 13, 2012
    Date of Patent: December 2, 2014
    Assignee: Fujitsu Limited
    Inventors: Atsuko Tada, Ryoichi Funabashi, Ryuta Tanaka
  • Patent number: 8896706
    Abstract: A method for providing a mapping from apparent color to actual color for an image capture device including capturing an image of a reference color chart having a plurality of color patches using the image capture device, wherein each color patch has an associated reference color, measuring the apparent color of the plurality of color patches in the captured image, selecting a plurality of control points representing different hue values within a circular hue space, determining an angular offset for each control point such that the distance between a transformed apparent color and the reference color for each color patch is minimized, the angular offset representing a hue correction, wherein interpolation of the angular offsets for the control points provides a mapping from apparent color to actual color for the image capture device.
    Type: Grant
    Filed: March 2, 2012
    Date of Patent: November 25, 2014
    Assignee: LBT Innovations, Limited
    Inventors: Anton John van den Hengel, Rhys Ernst Hill
  • Patent number: 8860747
    Abstract: System and methods for gamut bounded saturation adaptive color enhancement are provided. Color enhancement incorporating gamut bounded saturation enhances colors of an pixel from a source color gamut such that the resulting color is within a target color gamut. This resulting color may, for example, take advantage of an expanded target color gamut of a display. Gamut bounded saturation may be implemented independently or in combination with RGB bounded saturation.
    Type: Grant
    Filed: September 3, 2013
    Date of Patent: October 14, 2014
    Assignee: Marvell World Trade Ltd.
    Inventors: Vasudev Bhaskaran, Sujith Srinivasan, Nikhil Balram
  • Patent number: 8824006
    Abstract: According to one embodiment, a color correction apparatus includes an input portion, a storing portion and a correction portion. The input portion inputs color image signals which correspond to recording color material amounts. The storing portion stores a standard color reproduction parameter for calculating a standard color reproduction chromaticity and reference chromaticity deviation amounts at a plurality of reference color points in recording color material amount coordinate space. The correction portion estimates chromaticity deviation amounts of the input color image signals on the basis of the reference chromaticity deviation amount, calculates a standard chromaticity which corresponds to the input color image signals on the basis of the standard color reproduction parameter and corrects the input color image signals on the basis of the estimated chromaticity deviation amounts and the standard chromaticity.
    Type: Grant
    Filed: August 11, 2011
    Date of Patent: September 2, 2014
    Assignees: Kabushiki Kaisha Toshiba, Toshiba Tec Kabushiki Kaisha
    Inventors: Takayuki Sawada, Naofumi Yamamoto
  • Publication number: 20140204274
    Abstract: A device for image processing includes a video signal receiver, for receiving at least one video signal, wherein an image frame of the at least one video signal includes: a plurality of pixel groups; a color engine; and an output stage, coupled to the color engine, for outputting the adjusted at least one video signal. The color engine includes: a local adjusting unit, configured to locally adjust at least one of color hue, luminance factor and saturation of a specific pixel group of the pixel groups without adjusting any other pixel group of the pixel groups, wherein the specific pixel group has color hue in a predetermined range that is a part of a full range of color hue; and a global adjusting unit, configured to globally adjust at least one of color hue, luminance factor and saturation of each of the pixels of the image frame.
    Type: Application
    Filed: March 26, 2014
    Publication date: July 24, 2014
    Applicant: Novatek Microelectronics Corp.
    Inventors: Wei-Chen Su, Chung-Wen Hung
  • Publication number: 20140192219
    Abstract: An imaging device is provided which includes a hue value setting portion that sets at least one hue value from among a plurality of hue values, a color component region detection portion that detects a region having a color component that includes the set hue value, from image data of a photographic subject, and a color component region display portion that, based on the image data of the photographic subject, converts, of the photographic subject, the detected region having the color component to a first color, converts regions other than the detected region having the color component to a second color different from the first color, and displays the photographic subject on a display portion.
    Type: Application
    Filed: January 10, 2014
    Publication date: July 10, 2014
    Applicant: Sony Corporation
    Inventor: Yohta ORIGUCHI
  • Patent number: 8724031
    Abstract: A device for image processing includes: a video signal receiver, for receiving at least one video signal; a color engine, comprising a local adjusting unit, for dividing pixels of an image frame of the at least one video signal into multiple pixel groups according to luminance factors of the pixels in HSI color space and adjusting the luminance factors of a specific pixel group of the pixel groups having luminance factors in a predetermined range that is a part of a full range of luminance factor by moving the pixels of the specific pixel group from a region to another region of the HSI color space without changing color axes of the HSI color space.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: May 13, 2014
    Assignee: Novatek Microelectronics Corp.
    Inventors: Wei-Chen Su, Chung-Wen Hung
  • Patent number: 8704952
    Abstract: A video decoder that separates and analyzes analog video signals includes a hue and saturation separator and a video signal determiner. The hue and saturation separator demodulates from a component video signal chroma signal, which includes a hue signal and a saturation signal. The video signal determiner determines at least one video signal characteristic of the component video signal dependent on the hue and saturation signal. The video signal determiner may include a mode determiner that determines the encoding standard of the video signal, and a color burst determiner that determines a location of a color burst signal with the video signal. The mode determiner may include a signal lock detector, a sequence matcher, and an encoding mode selector. The color burst determiner may include an absolute value determiner and a burst position determiner.
    Type: Grant
    Filed: September 30, 2011
    Date of Patent: April 22, 2014
    Assignee: STMicroelectronics International N.V.
    Inventor: Ravindranath Ramalingaiah Munnan
  • Patent number: 8698833
    Abstract: A color designation control device includes: an image acquisition section that acquires a color image; and a display control section that displays a user interface screen, which includes at least a preview image of the acquired color image and a hue scale representing a change in hue, on a predetermined display while accepting designation of a position or a region within the preview image, acquiring a hue at the designated position or in the designated region from the preview image, and adding a specific indication for a range within the hue scale corresponding to the acquired hue.
    Type: Grant
    Filed: December 2, 2010
    Date of Patent: April 15, 2014
    Assignee: Seiko Epson Corporation
    Inventor: Kengo Anazawa
  • Patent number: 8659614
    Abstract: An image display apparatus adapted to display an image based on an image signal input includes: a color adjustment circuit adapted to perform one of a modification process and a correction process individually on a hue signal, a lightness signal, and a saturation signal included in first HLS signals as an image signal, and output the processed signals as second HLS signals.
    Type: Grant
    Filed: March 23, 2010
    Date of Patent: February 25, 2014
    Assignee: Seiko Epson Corporation
    Inventor: Fumio Koyama
  • Publication number: 20130314604
    Abstract: A computer-readable storage medium storing an image processing program that causes a computer to execute a process includes, synthesizing, for each of frames included in a video image and to be processed, a synthesis image with an image of a synthesis target region existing in the frame by repeatedly executing a calculation using a Poisson's equation on the basis of the image of synthesis target region existing in the frame to be processed and the synthesis image to be replaced with the image of the synthesis target region, and thereby calculating, from an initial value image, a synthesis result image corresponding to a result obtained by synthesizing the synthesis image with the synthesis target region so as to sequentially execute a synthesis process on the frames of the video image; and setting, for each of the frames to be processed, initial values by setting, as the initial value image.
    Type: Application
    Filed: November 13, 2012
    Publication date: November 28, 2013
    Applicant: FUJITSU LIMITED
    Inventor: FUJITSU LIMITED
  • Patent number: 8564647
    Abstract: Color correction of an autostereoscopic color display capable of displaying multiple views of one scene. Multiple viewing regions of the autostereoscopic color display are identified. The multiple viewing regions together comprise the whole of an operating viewing zone for the autostereoscopic color display. A respective plurality of color correction LUTs are constructed. At least one color correction LUT is constructed for each different viewing region. Color correction LUTs corresponding to current viewing regions are selected based on information regarding viewer location. The selected color correction LUTs are applied to the autostereoscopic color display.
    Type: Grant
    Filed: April 21, 2010
    Date of Patent: October 22, 2013
    Assignee: Canon Kabushiki Kaisha
    Inventor: Siu-Kei Tin
  • Publication number: 20130265498
    Abstract: A projector includes a light modulation part modulating light generated by a light source part, a video signal processing part processing a video signal to be input, and a projection optical system projecting the light modulated by the light modulation part onto an external projection target to obtain a projected video image. The video signal processing part includes a blue light effect alleviating part alleviating effects of blue light on retinas. In a case where only a ratio of a blue signal included in the video signal is high, the blue light effect alleviating part performs control to reduce the brightness of the projected video image as a whole by reducing signal values of the blue signal, a green signal, and a red signal.
    Type: Application
    Filed: November 21, 2012
    Publication date: October 10, 2013
    Inventor: Katsumi ASAKAWA
  • Patent number: 8553134
    Abstract: An endoscope is provided having an imaging sensor, a focusing lens, and an image processor. The imaging sensor converts an optical image to an output image signal. The focusing lens focuses on an object. The image processor calculates a contrast value based on the image signal while the focusing lens moves to focus on an object, and in the case where the image processor detects a region in which the amount of variation in the contrast value is within a predetermined range, while the focusing lens moves in a close range around a focusing point the image processor processes at least one output image in which either the image has been cropped to exclude the region, an ornament has been added to the region, or the region has been softened.
    Type: Grant
    Filed: September 21, 2010
    Date of Patent: October 8, 2013
    Assignee: Pentax Ricoh Imaging Company, Ltd.
    Inventor: Saki Shimizu
  • Patent number: 8553154
    Abstract: An apparatus comprising a first circuit, a processing circuit and a conversion circuit. The first circuit may be configured to generate a first intermediate signal in a second format in response to an input signal in a first format. The processing circuit may be configured to generate a second intermediate signal and a third intermediate signal in response to the first intermediate signal. The conversion circuit may be configured to generate an output signal in the first format in response to the second intermediate signal and the third intermediate signal. The processing circuit may be configured to implement color blending on the second intermediate signal in the second format prior to conversion to the first format and pass the third intermediate signal without color blending.
    Type: Grant
    Filed: February 16, 2010
    Date of Patent: October 8, 2013
    Assignee: VIXS Systems, Inc
    Inventors: Hui Zhou, Christopher A. Aardema
  • Publication number: 20130201402
    Abstract: A device for image processing includes: a video signal receiver, for receiving at least one video signal; a color engine, comprising a local adjusting unit, for dividing pixels of an image frame of the at least one video signal into multiple pixel groups according to luminance factors of the pixels in HSI color space and adjusting the luminance factors of a specific pixel group of the pixel groups having luminance factors in a predetermined range that is a part of a full range of luminance factor by moving the pixels of the specific pixel group from a region to another region of the HSI color space without changing color axes of the HSI color space.
    Type: Application
    Filed: March 15, 2013
    Publication date: August 8, 2013
    Applicant: NOVATEK MICROELECTRONICS CORP.
    Inventor: Novatek Microelectonics Corp.
  • Publication number: 20130194506
    Abstract: An apparatus for providing improved color intensity mapping may include a processor. The processor may be configured to divide color intensity value byte data into high priority portions and low priority portions distributed as constellation points in a constellation matrix and to provide separation between each of the constellation points by assigning a unique mapping code to a plurality of the constellation points.
    Type: Application
    Filed: January 28, 2013
    Publication date: August 1, 2013
    Applicant: CORE WIRELESS LICENSING S.A.R.L.
    Inventor: CORE WIRELESS LICENSING S.A.R.L.
  • Patent number: 8494723
    Abstract: A method for operating a vehicle display includes receiving from a user interface a request to modify a display screen of the vehicle display. In response to the received request to modify, the method can further include displaying a query on the display screen prompting an operator to choose a portion of the display screen that is to be modified. The method can further include receiving an input selection corresponding to a chosen portion of the display screen to be modified. The input selection can be received from the user interface into a control unit in communication with the vehicle display, which is in communication with the control unit. In response to the received input selection, the method can further include displaying an image on the chosen portion of the display screen in accordance with the received request to modify the display screen. A vehicle display system is also provided.
    Type: Grant
    Filed: February 5, 2010
    Date of Patent: July 23, 2013
    Assignees: Honda Motor Co., Ltd., Panasonic Corporation
    Inventors: Jason M. Strohmaier, Toshiyuki Yasuhara, Yuki Teramoto, Hiroaki Sakai
  • Patent number: 8493514
    Abstract: Disclosed is the apparatus for controlling color temperature enabling the color region determiner to determine whether the inputted chroma signal value in pixels belongs to a pre-set achromatic color region or a chromatic color region, and the color temperature corrector to correct the chroma signal gains according to the determined achromatic color region or chromatic color region.
    Type: Grant
    Filed: July 16, 2008
    Date of Patent: July 23, 2013
    Assignee: LG Electronics Inc.
    Inventors: Yoon Seok Choi, Hun Cheol Lee, Hak Tae Kim
  • Patent number: 8477247
    Abstract: In some embodiments, color and contrast enhancement video processing may be done in one shot instead of adjusting one of color and contrast enhancement, then the other, and then going back to the first one to readjust because of the second adjustment. In some embodiments, global lightness adjustment, local contrast enhancement, and saturation enhancement may be done at the same time and in parallel. Lightness adjustment improves visibility of details for generally dark or generally light images without changing intended lighting conditions in the original shot, and is used to enhance the range of color/saturation enhancement. Local contrast enhancement done in parallel improves visual definition of objects and textures and thus local contrast and perceived sharpness.
    Type: Grant
    Filed: September 30, 2008
    Date of Patent: July 2, 2013
    Assignee: Intel Corporation
    Inventors: Abhijit Sarkar, Jorge E. Caviedes, Mahesh Subedar
  • Patent number: 8446488
    Abstract: A method of controlling a digital photographing device, the method including analyzing the color distribution of an input image, determining an enhancement color from the input image according to a predetermined criterion based on the analyzed color distribution, and enhancing the enhancement color in the input image. The predetermined criterion may be that a color distributed at a ratio higher than a predetermined ratio is determined as the enhancement color. The predetermined enhancement color may further depend on the focal length of the image.
    Type: Grant
    Filed: March 10, 2010
    Date of Patent: May 21, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Hyun-ock Yim
  • Publication number: 20130100351
    Abstract: A method and apparatus for reduced complexity video and image processing with special chroma handling are disclosed. Frame-type decisions are made on a video stream made up of a sequence of frames. A first subset of the frames are selected to be monochrome and generated without chroma data. A second subset of the frames are selected to be in color and generated with chroma components. In one embodiment, the first subset of frames includes odd frames and the second subset of frames includes even frames in the video stream. Under higher video frame rates, the lack of color in every other frame is not visible to the end viewer. Accordingly, subsequent processing of the output video stream permits luma-only processing of many frames in the video stream, extensively reducing the amount of computation.
    Type: Application
    Filed: December 10, 2012
    Publication date: April 25, 2013
    Applicant: BROADCOM CORPORATION
    Inventor: Broadcom Corporation
  • Patent number: 8421924
    Abstract: An image processing method and its associated image processing circuit for processing an image based on a sequential couleur avec memoire (SECAM) system are provided. The image includes a first pixel, a second pixel and a third pixel, which are successively arranged in a same vertical line and are respectively corresponding to a first image signal and a second image signal and a third image signal. The image processing method includes steps of calculating a chroma signal via a vertical filtering process according to the first image signal, the second image signal and the third image signal; calculating a chroma angular frequency via a frequency modulation process according to the chroma signal; and generating a chromaticity according to the chroma angular frequency.
    Type: Grant
    Filed: January 11, 2010
    Date of Patent: April 16, 2013
    Assignee: MStar Semiconductor, Inc.
    Inventor: Ming-Hao Liao
  • Patent number: 8421925
    Abstract: A display device and a color adjustment method thereof and a method for displaying video signals are provided. The display device includes a video signal receiver, a scaling engine, a color engine, an output stage, and a panel. The video signal receiver receives the video signals. The scaling engine is coupled to the video signal receiver to modulate the resolution of the video signal. The color engine is coupled to the scaling engine, which includes a local adjusting unit. The local adjusting unit adjusts hue, saturation, or intensity of a group of pixels, and thereby increase the quality of images. The output stage is coupled to the color engine, which outputs the adjusted video signals. The panel is coupled to the output stage, which displays the adjusted video signal.
    Type: Grant
    Filed: June 20, 2007
    Date of Patent: April 16, 2013
    Assignee: Novatek Microelectronics Corp.
    Inventors: Wei-Chen Su, Chung-Wen Hung
  • Patent number: 8384829
    Abstract: A display apparatus includes: a display panel that includes display elements having a current-driven light-emitting portion, in which the display elements are arranged in a two-dimensional matrix in a first direction and a second direction, and that displays an image on the basis of a video signal; and a luminance correcting unit that corrects the luminance of the display elements when displaying an image on the display panel by correcting a gradation value of an input signal and outputting the corrected input signal as the video signal. The luminance correcting unit includes a reference operating time calculator, an accumulated reference operating time storage, a reference curve storage, a gradation correction value holder, and a video signal generator.
    Type: Grant
    Filed: October 31, 2011
    Date of Patent: February 26, 2013
    Assignee: Sony Corporation
    Inventors: Junichi Yamashita, Katsuhide Uchino