Patents by Inventor Chih-Chia Kuo

Chih-Chia Kuo has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 10997732
    Abstract: An information display system and an information display method are provided. The information display system includes a display screen, an image-capture device, and a processing device. The image-capture device captures a picture sequence. The processing device is coupled to the display screen and the image-capture device. The processing device recognizes at least one dynamic object in the picture sequence and generates a recognition frame and a recognition information corresponding to the dynamic object. The processing device tracks a recognition frame of a plurality of first pictures in the picture sequence to obtain a tracking result.
    Type: Grant
    Filed: March 13, 2019
    Date of Patent: May 4, 2021
    Assignees: Industrial Technology Research Institute, Intellectual Property Innovation Corporation
    Inventors: Jian-Lung Chen, Chih-Chia Chang, Yu-Hsin Lin, Shin-Hong Kuo
  • Patent number: 10516810
    Abstract: A method of performing gamut mapping on an input image for an image output device includes receiving the input image to analyze a color distribution of the input image; determining a protect range corresponding to a first percentage of color codes of the input image and a compression range corresponding to a second percentage of the color codes of the input image based on the color distribution of the input image; and moving at least one of the color codes of the input image outside the protect range of the color codes to the compression range by a compression algorithm to perform gamut mapping on the input image.
    Type: Grant
    Filed: May 30, 2018
    Date of Patent: December 24, 2019
    Assignee: NOVATEK Microelectronics Corp.
    Inventors: Chia-Jung Hsu, Wan-Ching Tsai, Chao-Wei Ho, Chih-Chia Kuo
  • Patent number: 10419708
    Abstract: An image processing circuit and an image contrast enhancement method of the imaging processing circuit are provided. The image processing circuit includes an index generating unit, a data compensation unit, and a data gain unit. The index generating unit receives a plurality of pixel data of a first frame to provide a plurality of local curve indices corresponding to a plurality of display areas of a display panel. The data compensation unit selects parts of a plurality of gray-level transformation curves respectively corresponding to the pixel data according to the local curve indices, so as to regulate the pixel data and then provide a plurality compensated pixel data. The data gain unit determines a data gain according to a backlight duty cycle signal and regulates the compensated pixel data according to the data gain, so as to provide a plurality of enhanced pixel data.
    Type: Grant
    Filed: April 20, 2015
    Date of Patent: September 17, 2019
    Assignee: Novatek Microelectronics Corp.
    Inventors: Wan-Ching Tsai, Chih-Chia Kuo
  • Patent number: 10158839
    Abstract: An apparatus including a processor and a non-transitory storage medium is provided. The non-transitory storage medium includes a program code executable by the processor. The apparatus is configured to execute the program code with the processor for processing a source image to generate a target image.
    Type: Grant
    Filed: June 12, 2018
    Date of Patent: December 18, 2018
    Assignee: Novatek Microelectronics Corp.
    Inventors: Chieh-Cheng Chen, Chih-Chia Kuo
  • Publication number: 20180295339
    Abstract: An apparatus including a processor and a non-transitory storage medium is provided. The non-transitory storage medium includes a program code executable by the processor. The apparatus is configured to execute the program code with the processor for processing a source image to generate a target image.
    Type: Application
    Filed: June 12, 2018
    Publication date: October 11, 2018
    Applicant: Novatek Microelectronics Corp.
    Inventors: Chieh-Cheng Chen, Chih-Chia Kuo
  • Publication number: 20180278808
    Abstract: A method of performing gamut mapping on an input image for an image output device includes receiving the input image to analyze a color distribution of the input image; determining a protect range corresponding to a first percentage of color codes of the input image and a compression range corresponding to a second percentage of the color codes of the input image based on the color distribution of the input image; and moving at least one of the color codes of the input image outside the protect range of the color codes to the compression range by a compression algorithm to perform gamut mapping on the input image.
    Type: Application
    Filed: May 30, 2018
    Publication date: September 27, 2018
    Inventors: Chia-Jung Hsu, Wan-Ching Tsai, Chao-Wei Ho, Chih-Chia Kuo
  • Patent number: 10021363
    Abstract: An apparatus for processing a source image to generate a target image is provided. The target image includes a plurality of target pictures. The apparatus includes a first image processing circuit and a second image processing circuit. The first image processing circuit separates the source image into a first image including a first part of the source image and a second image including a second part of the source image. The second image processing circuit processes the first image to obtain a plurality of target first pictures according to a first setting, process the second image to obtain a plurality of target second pictures according to a second setting, and combine each of the target first pictures with a corresponding one of the target second pictures to obtain the plurality of target pictures. A method for processing a source image to generate a target image is also provided.
    Type: Grant
    Filed: June 23, 2016
    Date of Patent: July 10, 2018
    Assignee: Novatek Microelectronics Corp.
    Inventors: Chieh-Cheng Chen, Chih-Chia Kuo
  • Patent number: 10019785
    Abstract: A method of performing luminance/brightness adjustment and gamut mapping to high dynamic range images for a display device includes receiving an input image to analyze an image distribution of the input image, generating a scene information of the input image according to the image distribution, and performing luminance/brightness adjustment and gamut mapping to the input image according to the scene information, to generate an output image corresponding to the input image, wherein the scene information is regarded as dynamic metadata of the input image.
    Type: Grant
    Filed: March 7, 2016
    Date of Patent: July 10, 2018
    Assignee: NOVATEK Microelectronics Corp.
    Inventors: Chia-Jung Hsu, Wan-Ching Tsai, Chao-Wei Ho, Chih-Chia Kuo
  • Patent number: 9986200
    Abstract: A switching method of video setting for a video conversion system includes generating a static metadata change flag when a static metadata change event is detected, repeating an output video after the static metadata change flag is generated, updating a video setting according to a static metadata corresponding to an input video when the output video is repeated, and converting the input video into the output video according to the video setting to display the output video.
    Type: Grant
    Filed: May 11, 2017
    Date of Patent: May 29, 2018
    Assignee: NOVATEK Microelectronics Corp.
    Inventors: Wan-Ching Tsai, Chih-Chia Kuo, Shih-Sung Wen, Fu-Sheng Liang
  • Publication number: 20180013811
    Abstract: The display system adapted to provide a client oriented service is provided. The display system includes a source device and a sink device. The source device encodes a video input to output a video output. The video input includes video data. The video output includes metadata and a video stream, and the video stream is encoded from the video data. The sink device communicates with the source device. The sink device receives and decodes the video output to obtain the video data. The sink device displays images according to the video data and the metadata. The source device generates the metadata from the video input according to hardware parameters of the sink device. In addition, a source device, a sink device and an image displaying method are also provided.
    Type: Application
    Filed: July 7, 2016
    Publication date: January 11, 2018
    Inventors: Chih-Chia Kuo, Chun Wang
  • Publication number: 20170256039
    Abstract: A method of performing luminance/brightness adjustment and gamut mapping to high dynamic range images for a display device includes receiving an input image to analyze an image distribution of the input image, generating a scene information of the input image according to the image distribution, and performing luminance/brightness adjustment and gamut mapping to the input image according to the scene information, to generate an output image corresponding to the input image, wherein the scene information is regarded as dynamic metadata of the input image.
    Type: Application
    Filed: March 7, 2016
    Publication date: September 7, 2017
    Inventors: Chia-Jung Hsu, Wan-Ching Tsai, Chao-Wei Ho, Chih-Chia Kuo
  • Patent number: 9756306
    Abstract: Artifact reduction method and apparatus, and image processing method and apparatus are provided. The artifact reduction apparatus includes a scaling-down unit, a buffer unit, an artifact detection unit, a scaling-up unit and a filter unit. The scaling-down unit scales down a resolution of a current original image frame to obtain a current low-resolution image frame. The artifact detection unit performs an artifact detection to the current low-resolution image frame to obtain low-resolution weights in accordance with a relation of the current low-resolution image frame and a previous low-resolution image frame provided by the buffer unit. The scaling-up unit scales up a number of the low-resolution weights to obtain a high-resolution weights. By using the high-resolution weights, the filter unit performs an image processing procedure to the current original image frame for reducing artifact of the current original image frame and obtaining an adjusted image frame.
    Type: Grant
    Filed: March 10, 2014
    Date of Patent: September 5, 2017
    Assignee: Novatek Microelectronics Corp.
    Inventors: Shih-Sung Wen, Chih-Chia Kuo
  • Publication number: 20170111629
    Abstract: An apparatus for processing a source image to generate a target image is provided. The target image includes a plurality of target pictures. The apparatus includes a first image processing circuit and a second image processing circuit. The first image processing circuit separates the source image into a first image including a first part of the source image and a second image including a second part of the source image. The second image processing circuit processes the first image to obtain a plurality of target first pictures according to a first setting, process the second image to obtain a plurality of target second pictures according to a second setting, and combine each of the target first pictures with a corresponding one of the target second pictures to obtain the plurality of target pictures. A method for processing a source image to generate a target image is also provided.
    Type: Application
    Filed: June 23, 2016
    Publication date: April 20, 2017
    Inventors: Chieh-Cheng Chen, Chih-Chia Kuo
  • Patent number: 9613409
    Abstract: An image converting method includes calculating a plurality of segment averages of pixel values in a plurality segments of an input image; acquiring the maximum among the segment averages as a first threshold; calculating a plurality of local averages of pixel values in adjacent segments of input image; acquiring the maximum among local averages as a second threshold; counting the number of pixel values exceeding first threshold in the segments as a plurality of first pixel counts and counting the number of pixel values exceeding second threshold in the segments as a plurality of second pixel counts; generating a specular map and a confidence according to the first pixel counts and the second pixel counts; mapping the input image according to the specular map, to generate an intermediate image; and blending the input image and the intermediate image according to the confidence, to generate an output image.
    Type: Grant
    Filed: February 2, 2016
    Date of Patent: April 4, 2017
    Assignee: NOVATEK Microelectronics Corp.
    Inventors: Wan-Ching Tsai, Chao-Wei Ho, Chia-Jung Hsu, Chih-Chia Kuo
  • Publication number: 20160309112
    Abstract: An image processing circuit and an image contrast enhancement method of the imaging processing circuit are provided. The image processing circuit includes an index generating unit, a data compensation unit, and a data gain unit. The index generating unit receives a plurality of pixel data of a first frame to provide a plurality of local curve indices corresponding to a plurality of display areas of a display panel. The data compensation unit selects parts of a plurality of gray-level transformation curves respectively corresponding to the pixel data according to the local curve indices, so as to regulate the pixel data and then provide a plurality compensated pixel data. The data gain unit determines a data gain according to a backlight duty cycle signal and regulates the compensated pixel data according to the data gain, so as to provide a plurality of enhanced pixel data.
    Type: Application
    Filed: April 20, 2015
    Publication date: October 20, 2016
    Inventors: Wan-Ching Tsai, Chih-Chia Kuo
  • Publication number: 20150256804
    Abstract: Artifact reduction method and apparatus, and image processing method and apparatus are provided. The artifact reduction apparatus includes a scaling-down unit, a buffer unit, an artifact detection unit, a scaling-up unit and a filter unit. The scaling-down unit scales down a resolution of a current original image frame to obtain a current low-resolution image frame. The artifact detection unit performs an artifact detection to the current low-resolution image frame to obtain low-resolution weights in accordance with a relation of the current low-resolution image frame and a previous low-resolution image frame provided by the buffer unit. The scaling-up unit scales up a number of the low-resolution weights to obtain a high-resolution weights. By using the high-resolution weights, the filter unit performs an image processing procedure to the current original image frame for reducing artifact of the current original image frame and obtaining an adjusted image frame.
    Type: Application
    Filed: March 10, 2014
    Publication date: September 10, 2015
    Applicant: Novatek Microelectronics Corp.
    Inventors: Shih-Sung Wen, Chih-Chia Kuo
  • Patent number: 9025869
    Abstract: A color translation method and a color translation apparatus adapted to map a data point from a first color space to a second color space are provided. At least four color axes coordinating with a plurality of first reference points and a plurality of second reference points corresponding to the first reference points are used to divide the first color space and second color space into a plurality of first sub-spaces and a plurality of second sub-spaces. A target first sub-space where the data point is located is found, and then a corresponding target second sub-space is also found. According to a positional relationship between the data point and the first reference points which define the target first sub-space, an interpolation operation is applied to the second reference points which define the target second sub-space so as to obtain a mapped point in the second color space.
    Type: Grant
    Filed: February 5, 2013
    Date of Patent: May 5, 2015
    Assignee: Novatek Microelectronics Corp.
    Inventors: Wei-Chi Su, Chih-Chia Kuo
  • Publication number: 20140161350
    Abstract: A color translation method and a color translation apparatus adapted to map a data point from a first color space to a second color space are provided. At least four color axes coordinating with a plurality of first reference points and a plurality of second reference points corresponding to the first reference points are used to divide the first color space and second color space into a plurality of first sub-spaces and a plurality of second sub-spaces. A target first sub-space where the data point is located is found, and then a corresponding target second sub-space is also found. According to a positional relationship between the data point and the first reference points which define the target first sub-space, an interpolation operation is applied to the second reference points which define the target second sub-space so as to obtain a mapped point in the second color space.
    Type: Application
    Filed: February 5, 2013
    Publication date: June 12, 2014
    Applicant: NOVATEK MICROELECTRONICS CORP.
    Inventors: Wei-Chi Su, Chih-Chia Kuo
  • Patent number: 8639061
    Abstract: An image adjusting method is adapted to an image adjusting circuit. The image adjusting method includes following steps. An image signal is received and up-sampled to generate a first up-sampled image signal and a second up-sampled image signal. The first up-sampled image signal includes interpolated pixels and original pixels. Values of the interpolated pixels and the original pixels are detected, and a weight value is outputted according to the detection result. Whether the values of the interpolated pixels are adjusted or not is determined based on the detection result. According to the weight value, the second up-sampled image signal and the adjusted first up-sampled image signal are mixed to output a mixed image signal. An image adjusting circuit is also provided.
    Type: Grant
    Filed: July 18, 2011
    Date of Patent: January 28, 2014
    Assignee: Novatek Microelectronics Corp.
    Inventors: Wei-Chi Su, Chih-Chia Kuo
  • Patent number: 8373798
    Abstract: A text protection device for de-interlacing operation includes a pixel value difference calculation unit, a text detection unit and a vertical interpolation unit. The pixel value difference calculation unit is utilized for calculating pixel value differences of a plurality of pixels of a field according to a position of a target pixel being inserted into the field. The plurality of pixels forms a detection area corresponding to the target pixel. The text detection unit is utilized for determining whether the detection area includes a text stroke and determining whether the target pixel is located within a range of the text stroke to generate a text detection signal. The vertical interpolation unit performs a vertical interpolation operation to generate a pixel value of the target pixel according to the text detection signal.
    Type: Grant
    Filed: September 21, 2009
    Date of Patent: February 12, 2013
    Assignee: NOVATEK Microelectronics Corp.
    Inventors: Yu-Mao Lin, Chih-Chia Kuo