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1. 发明申请

US20220385871A1 IMAGE PROCESSING APPARATUS 有权
公开(公告)号：US20220385871A1
公开(公告)日：2022-12-01
申请号：US17773246
申请日：2019-11-01
申请人： LG ELECTRONICS INC.
发明人： Vidya BHAGWATH , Rajasekhar GURRAM , Sachidanand DESAI , Jaejun LEE
IPC分类号： H04N9/69 , H04N9/64
摘要： The present disclosure relates to an image processing apparatus. The image processing apparatus according to an embodiment of the present disclosure includes a display having a plurality of pixels, and a controller, wherein the controller: calculates an average luminance value of a first frame of an image based on RGB data corresponding to the image; sets a criterion for determining an output level of the plurality of pixels according to the average luminance value of the first frame; controls the display to output a first frame group, including the first frame, according to the set criterion; calculates an average luminance value of a second frame of the image according to a predetermined cycle; resets a criterion for determining the output level of the plurality of pixels according to the average luminance value of the second frame; and controls the display to output a second frame group, including the second frame, according to the reset criterion. Accordingly, by dynamically changing the criteria for determining the output level of the plurality of pixels included in the display based on the luminance value of each frame of the image, the image may be displayed more clearly. Various other embodiments are possible.

2. 发明授权

US11417267B2 Electronic device for controlling display of content on basis of brightness information and operation method therefor 有权
公开(公告)号：US11417267B2
公开(公告)日：2022-08-16
申请号：US16968185
申请日：2019-02-01
申请人： Samsung Electronics Co., Ltd.
发明人： Seungkyu Choi , Matheus Farias Miranda , Hanyuool Kim , Taewoong Lee , Dongkyoon Han , Kwangtai Kim , Hyungsup Byeon , Donghyun Yeom
IPC分类号： G09G3/32 , H04N1/60 , H04N5/57 , H04N9/69 , H04N9/77
摘要： Various embodiments of the present invention relate to an electronic device for adjusting voltage and an operation method therefor. The electronic device may comprise: a display; and a processor, wherein the processor is configured to: identify first information which relates to the brightness of at least one first content included in a first image layer and is to be displayed using the display, and second information which relates to the brightness of at least one second content included in a second image layer and is to be displayed using the display; adjust the brightness of the second content at least on the basis of a difference between the first information and the second information; and in a state where the second image layer is superimposed on the first image layer including the first content, display the at least one first content, and the second content the brightness of which has been adjusted, using the display. Other embodiments are also possible.

3. 发明授权

US11373621B2 Display device, display control method, and storage medium 有权
公开(公告)号：US11373621B2
公开(公告)日：2022-06-28
申请号：US17220219
申请日：2021-04-01
申请人： SHARP KABUSHIKI KAISHA
发明人： Takashi Abe
IPC分类号： G09G5/10 , G09G3/3225 , H04N9/69
摘要： A display device (101) includes: an output luminance calculation section (83) configured to generate an output luminance for an input luminance for a first reference point residing in a low luminance region, an output luminance for an input luminance for a second reference point residing in a high luminance region, and an output luminance for an input luminance for a third reference point residing between the first and second reference points in such a manner that a straight line connecting the first and third reference points has a different slope than does a straight line connecting the third and second reference points; and a luminance conversion section (85) configured to convert input luminances in the input image to output luminances based on a gamma curve specified using the input and output luminances for the first, second, and third reference points, to output the output image.

4. 发明授权

US11184593B2 Image capturing device and method 有权
公开(公告)号：US11184593B2
公开(公告)日：2021-11-23
申请号：US16853770
申请日：2020-04-21
申请人： Yumin Lee , Min-Chen Ho , Sheng-Chung Lai
发明人： Yumin Lee , Min-Chen Ho , Sheng-Chung Lai
IPC分类号： H04N9/64 , H04N9/69 , H04N5/235
摘要： The disclosure provides an image capturing device and an image capturing method. The image capturing device includes a tone mapping circuit, a color correction circuit, and a color gamut mapping circuit. The tone mapping circuit obtains a first image including a first pixel and performs a tone mapping operation to obtain a brightness adjustment parameter, where the first pixel includes a plurality of first color channels. The color correction circuit converts the first color channels into a plurality of second color channels based on the brightness adjustment parameter and the brightness of the first pixel. The color gamut mapping circuit performs a color gamut mapping operation on the second color channels to convert the second color channels into a plurality of third color channels, and outputs a second image, where the second image includes the second pixel characterized by the third color channels.

5. 发明授权

US11094288B2 Method and apparatus for rendering color images 有权
公开(公告)号：US11094288B2
公开(公告)日：2021-08-17
申请号：US16576350
申请日：2019-09-19
申请人： E INK CORPORATION
发明人： Edward Buckley , Kenneth R. Crounse , Stephen J. Telfer , Sunil Krishna Sainis
IPC分类号： G09G5/06 , G09G3/20 , G09G3/34 , G09G3/38 , H04N1/60 , H04N5/202 , H04N5/57 , H04N9/64 , H04N9/69
摘要： A system for rendering color images on an electro-optic display when the electro-optic display has a color gamut with a limited palette of primary colors, and/or the gamut is poorly structured (i.e., not a spheroid or obloid). The system uses an iterative process to identify the best color for a given pixel from a palette that is modified to diffuse the color error over the entire electro-optic display. The system additionally accounts for variations in color that are caused by cross-talk between nearby pixels.

6. 发明申请

US20210120217A1 Video Signal Processing Method And Apparatus 有权
公开(公告)号：US20210120217A1
公开(公告)日：2021-04-22
申请号：US17135801
申请日：2020-12-28
申请人： HUAWEI TECHNOLOGIES CO., LTD.
发明人： Zheng WANG , Le YUAN , Renjian WU , Fang HUANG
IPC分类号： H04N9/77 , H04N9/69 , G06T5/00
摘要： Example video signal processing methods and apparatus are described. One example method includes performing chrominance compensation on a to-be-processed video signal based on a saturation adjustment factor corresponding to an initial luminance value of the to-be-processed video signal. As such, a color that is of the video signal obtained after chrominance compensation and that is perceived by human eyes is closer to a color of the video signal obtained before luminance mapping.

7. 发明申请

US20210076018A1 HIGH DYNAMIC RANGE AND WIDE COLOUR GAMUT COMFORT MEASUREMENT AND FEEDBACK 有权
公开(公告)号：US20210076018A1
公开(公告)日：2021-03-11
申请号：US16945607
申请日：2020-07-31
申请人： NBC UNIVERSAL MEDIA, LLC
发明人： Arley Christopher Seeger
IPC分类号： H04N9/64 , H04N9/69 , H04N9/73
摘要： Systems and methods for processing video content are disclosed. According to at least one embodiment, a method of processing video content includes: receiving the video content; identifying a portion of the video content based on one or more of a plurality of factors, the plurality of factors including colour, raster percentage, brightness, and temporal factors; and providing an indicator that facilitates visual recognition of the identified portion of the video content.

8. 发明授权

US10944948B2 Imaging apparatus, imaging system, and imaging method 有权
公开(公告)号：US10944948B2
公开(公告)日：2021-03-09
申请号：US15553626
申请日：2016-03-30
申请人： SONY CORPORATION
发明人： Koji Kamiya , Norihiko Kawada , Yuki Matsuoka
IPC分类号： H04N9/00 , H04N9/64 , H04N9/73 , H04N1/48 , H04N1/60 , H04N1/64 , H04N9/69
摘要： There is provided a signal processor including correction circuitry configured to correct a signal for each color input to the signal processor and to output the corrected signal for each color, first conversion circuitry configured to receive the corrected signal for each color, to perform first image processing on each corrected signal for each color, and to generate a first signal having a first color gamut for each color, second conversion circuitry configured to receive the corrected signal for each color, to perform second image processing on each corrected signal for each color, and to generate a second signal having a second color gamut for each color, where the signal processor outputs a first image data having a first color gamut and a second image data having a second color gamut from same corrected signals for each color.

9. 发明授权

US10796461B2 Image color conversion apparatus, non-transitory computer-readable medium storing computer program, and image color conversion method 有权
公开(公告)号：US10796461B2
公开(公告)日：2020-10-06
申请号：US16177389
申请日：2018-10-31
申请人： Olympus Corporation
发明人： Shinya Takasumi
IPC分类号： G06T11/00 , H04N9/64 , H04N9/69 , H04N9/67 , H04N1/60
摘要： At least one processor configured as hardware generates gamma correction processing information based on an achromatic color input value and an output value acquired by referencing a three-dimensional LUT based on the achromatic color input value, references the three-dimensional LUT based on a representative input value as a chromatic color input value to acquire a representative output value, sets color difference signal processing information such that the representative output value is obtained when the representative input value is subjected to gamma correction processing and color difference signal processing, and subjects an image signal to gamma correction processing and color difference signal processing.

10. 发明申请

US20200288082A1 IMAGE CAPTURING APPARATUS AND PLAYBACK APPARATUS AND CONTROL METHODS THEREOF AND NON-TRANSITORY COMPUTER-READABLE STORAGE MEDIUM 审中-公开
公开(公告)号：US20200288082A1
公开(公告)日：2020-09-10
申请号：US16807327
申请日：2020-03-03
申请人： CANON KABUSHIKI KAISHA
发明人： Nobuto Matsuda
IPC分类号： H04N7/01 , H04N9/69 , H04N9/64
摘要： This invention provides an image capturing apparatus which comprises an image sensor configured to obtain a video signal, and at least one processor which function as a first converting unit configured to convert the video signal obtained from the image sensor into an HDR video signal; a second converting unit configured to convert the HDR video signal obtained by the first converting unit into an SDR video signal; and a controller configured to associate at least one of the HDR video signal obtained by the first converting unit and the SDR video signal obtained by second conversion means with conversion characteristic information, the conversion characteristic information representing conversion characteristics for converting the HDR video signal and the SDR video signal to one another, the controller being configured to store the associated HDR video signal or SDR video signal in a recording medium.

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