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1.发明公开公开(公告)号：US20230319257A1
公开(公告)日：2023-10-05
申请号：US18331611
申请日：2023-06-08
Inventor： Ying PENG
IPC: H04N17/02 , G06F3/04845
CPC classification number: H04N17/02 , G06F3/04845
Abstract: A method for adjusting display colors, an electronic device, and a storage medium are provided. The method includes: in response to a selection operation acting on color blocks, the color blocks are filled to controls to be filled; and upon detecting that the color blocks are all filled to the controls to be filed, the display colors are adjusted on the basis of a relationship between arrangement orders and preset arrangement orders. By adjusting the display colors of the electronic device according to a test result, personalization of the display color is achieved, and the user experience is improved.
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公开(公告)号：US11729374B2
公开(公告)日：2023-08-15
申请号：US17850673
申请日：2022-06-27
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Deok Ha Shin , Eun Ji Jeong , Young Jun Choi
Abstract: A camera module test apparatus having improved performance include a coefficient data extractor that accommodates a camera module; and a test apparatus that accommodates the camera module and tests the camera module. The coefficient data extractor includes a coefficient generator that receives an image signal output from the camera module, and generates coefficient data of a ratio of a first color image signal and a second color image signal included in the image signal; and a memory device that stores the generated coefficient data. The test apparatus includes an image generator that receives an image signal from the camera module and coefficient data from the memory device, and generates a converted pattern image signal based on the image signal and the coefficient data; and a calibration data generator that generates calibration data of the converted pattern image signal.
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公开(公告)号：US11711500B1
公开(公告)日：2023-07-25
申请号：US17589122
申请日：2022-01-31
Applicant: CHRISTIE DIGITAL SYSTEMS USA, INC.
Inventor： Matthew Post , Peter Anthony Van Eerd
CPC classification number: H04N9/3194 , H04N1/00087 , H04N1/6033 , G09G3/006 , H04N17/00 , H04N17/002 , H04N17/02
Abstract: A method of calibrating a display system, the method comprising: displaying a test pattern including a plurality of blobs; detecting one or more base blobs in the displayed test pattern; identifying, based on the detected base blobs, patches of the test pattern, wherein each patch comprises one of the base blobs and a subset of additional blobs detected in the displayed test pattern; determining a patch location for at least one patch within the test pattern based on the subset of the additional blobs in the patch to determine a blob location for at least one detected blob; determining a calibration parameter for the display system based on the blob location and a detected attribute of the at least one detected blob; and calibrating the projector using the calibration parameter.
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公开(公告)号：US20190208090A1
公开(公告)日：2019-07-04
申请号：US16222168
申请日：2018-12-17
Applicant: MStar Semiconductor, Inc.
Inventor： Kuo-Chen HUANG , Yin-An JIAN , Hsing-Chih HUNG , Chung-Yi CHEN
CPC classification number: H04N5/213 , G06T7/20 , G06T2207/10016 , G06T2207/30168 , H04N5/265 , H04N9/646 , H04N17/02
Abstract: An image processing device includes a flicker estimating circuit, a control circuit and an image processing circuit. The flicker estimating circuit estimates a flicker level of a frame according to at least one set of information corresponding to the frame to generate an estimated flicker result. The control circuit is coupled to the flicker estimating circuit, and generates at least one control signal according to the flicker level. The image processing circuit is coupled to the control circuit, and performs image processing on the frame according to the control signal.
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公开(公告)号：US20190199989A1
公开(公告)日：2019-06-27
申请号：US16327758
申请日：2017-08-28
Applicant: Dolby Laboratories Licensing Corporation
Inventor： Cheng-Chi LI , Guan-Ming SU
Abstract: Methods and systems for chroma reshaping are applied to images or video frames. The method comprises receiving at least one image or video frame. The color space of the at least one image or video frame is partitioned in M1×M2×M3 non-overlapping bins. For each bin it is determined whether it is a valid bin, for which the at least one image or video frame has at least one pixel with a color value falling within said bin. For each chroma channel, a required number of codewords is calculated for representing two color values in said valid bin that have consecutive codewords for the respective chroma channel without a noticeable difference. At least one content-aware chroma forward reshaping function is generated based on the calculated required numbers of codewords and applied to the at least one image or video frame.
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6.发明申请
公开(公告)号：US20180295356A1
公开(公告)日：2018-10-11
申请号：US15950419
申请日：2018-04-11
Applicant: Samsung Display Co.,Ltd
Inventor： HYUNKOO LEE , Sooyoung KIM , Mintak LEE , Kyuseok KIM
CPC classification number: H04N17/02 , H04N17/004
Abstract: A method for determining residual images of a display device includes: dividing an image into a plurality of unit blocks; calculating a chroma, a hue, and a lightness of each unit block; applying a filter to the plurality of unit blocks to calculate a chroma difference, a hue difference, and a lightness difference; calculating a plurality of color difference based on the chroma, hue and lightness differences between the unit block and unit blocks adjacent to the unit block, a chroma weight constant, a hue weight constant, and a lightness weight constant; and calculating residual image indices for each unit block, where a residual image index is a maximum value of the plurality of color differences between the unit block and unit blocks adjacent to the unit block. The lightness weight constant is less than the chroma weight constant and the hue weight constant.
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公开(公告)号：US10038884B2
公开(公告)日：2018-07-31
申请号：US15894545
申请日：2018-02-12
Applicant: RAH COLOR TECHNOLOGIES LLC
Inventor： Richard A. Holub
IPC: G09G5/02 , H04N9/73 , G01J3/02 , G06T7/90 , G06T7/80 , H04N17/04 , H04N9/09 , H04N17/02 , H04N9/68 , H04N9/31 , H04N1/60 , G03B27/54 , G01J3/50 , G01J3/28 , G01J3/18 , H04N9/12 , G09G3/34 , G01N21/27 , G01J3/46
CPC classification number: H04N9/735 , G01J3/02 , G01J3/0202 , G01J3/0218 , G01J3/0262 , G01J3/0264 , G01J3/0272 , G01J3/0289 , G01J3/0291 , G01J3/18 , G01J3/28 , G01J3/462 , G01J3/463 , G01J3/50 , G01J3/506 , G01J2003/2866 , G01J2003/466 , G01N21/274 , G03B27/547 , G06T7/80 , G06T7/90 , G06T2207/10024 , G06T2207/20072 , G09G3/3413 , G09G5/02 , G09G2320/0285 , G09G2320/0626 , G09G2320/0666 , G09G2320/0693 , G09G2330/021 , G09G2360/144 , G09G2360/147 , H04N1/6033 , H04N1/6052 , H04N9/09 , H04N9/12 , H04N9/3182 , H04N9/3194 , H04N9/68 , H04N9/73 , H04N17/02 , H04N17/045
Abstract: Color calibration of color image rendering devices, such as large color displays, which operate by either projection or emission of images, utilize internal color measurement instrument or external color measurement modules locatable on a wall or speaker. A dual use camera is provided for a portable or laptop computer, or a cellular phone, handset, personal digital assistant or other handheld device with a digital camera, in which one of the camera or a display is movable with respect to the other to enable the camera in a first mode to capture images of the display for enabling calibration of the display, and in a second mode for capturing image other than of the display. The displays may represent rendering devices for enabling virtual proofing in a network, or may be part of stand-alone systems and apparatuses for color calibration. Improved calibration is also provided for sensing and correcting for non-uniformities of rendering devices, such as color displays, printer, presses, or other color image rendering device.
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公开(公告)号：US20180060667A1
公开(公告)日：2018-03-01
申请号：US15685369
申请日：2017-08-24
Applicant: Snell Advanced Media Limited
Inventor： Jonathan Diggins
CPC classification number: G06K9/00744 , G06F16/7328 , G06K9/00758 , G06K9/00765 , H04N5/04 , H04N17/02 , H04N21/23418
Abstract: A first sequence of video fingerprints at a first image repetition rate is compared with a second sequence of video fingerprints at a second, different image repetition rate. A converted sequence of fingerprints is generated from the first or second sequence of fingerprints by forming a combination of the values of a number of neighbouring fingerprints. The combination is a weighted average based on the temporal location of the respective neighbouring fingerprints in the first sequence of fingerprints with respect to the fingerprint in the converted sequence. A correlation is then performed between the converted sequence of fingerprints and the other sequence of fingerprints.
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公开(公告)号：US09906784B2
公开(公告)日：2018-02-27
申请号：US14583478
申请日：2014-12-26
Applicant: Huawei Technologies Co., Ltd.
Inventor： Lina Sun , Shan Gao , Qingpeng Xie
IPC: H04N17/02 , H04N7/12 , H04N11/04 , H04N11/02 , H04N5/91 , H04N19/89 , H04N17/00 , H04N21/44 , H04N19/159 , H04N19/102 , H04N19/14 , H04N19/146
CPC classification number: H04N17/02 , H04N17/004 , H04N19/102 , H04N19/14 , H04N19/146 , H04N19/159
Abstract: Embodiments of the present invention disclose a method and an apparatus for acquiring video coding compression quality. The method may include: acquiring video stream information; calculating video content complexity according to the video stream information; and calculating video coding compression quality according to the bit rate, the frame rate and the video content complexity. In the embodiments of the present invention, the video coding compression quality may be acquired as long as the video frame information, the bit rate, the frame rate and the video content complexity of a video stream are acquired. The video coding compression quality may be used in subsequent video quality assessment. This process greatly reduces video quality assessment complexity and the assessment may be performed in real time. In addition, the assessed coding compression quality meets the subjective feeling of human eyes better.
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10.发明申请
公开(公告)号：US20180027222A1
公开(公告)日：2018-01-25
申请号：US15547707
申请日：2016-01-29
Applicant: Sony Interactive Entertainment Inc.
Inventor： Hidehiko Ogasawara , Norio Nagatsuka , Naoki Numaguchi , Hiroyuki Segawa , Akio Ohba
IPC: H04N9/77 , H04N17/00 , H04N17/02 , H04N9/73 , A63F13/32 , H04N9/07 , A63F13/213 , A63F13/25 , A63F13/65 , A63F13/42 , H04N5/235 , H04N9/69
CPC classification number: H04N9/77 , A63F13/213 , A63F13/25 , A63F13/32 , A63F13/42 , A63F13/65 , A63H33/04 , A63H33/22 , A63H2200/00 , G03B15/00 , G06K9/00201 , G06K9/4652 , H04N1/4076 , H04N1/4078 , H04N5/225 , H04N5/235 , H04N5/2351 , H04N5/2352 , H04N9/04 , H04N9/07 , H04N9/69 , H04N9/735 , H04N17/002 , H04N17/02
Abstract: An image of a block or the like entering a space above a play mat is picked up by an image pickup apparatus, and an information processing apparatus detects and recognizes the block on the basis of a picture of the block in a picked up image and performs information processing. The play mat includes a play field that defines a detection space for the block, and a calibration chart including at least a plurality of regions of colors of different luminances. The image pickup apparatus adjusts an exposure time period, a gain value for each color component and a correction rule upon gamma correction on the basis of the picture of the calibration chart in the picked up image.
