Patents Assigned to NOVATEK (SHANGHAI) CO., LTD.
  • Patent number: 9860512
    Abstract: A display apparatus and an image display method of the display apparatus are provided, and the image display method includes following steps. Video contents that include a plurality of single frame images are received. A detection zone of the single frame images is determined according to a current scale mode of the display apparatus, and the different scale modes correspond to the different detection zones. The detection zone of each single frame image is detected to determine an image format of the video contents. A play mode of the display apparatus is adjusted according to the image format, and the video contents which are scaled are displayed by the display apparatus in the play mode.
    Type: Grant
    Filed: June 25, 2013
    Date of Patent: January 2, 2018
    Assignees: Novatek (Shanghai) Co., Ltd., Novatek Microelectronics Corp.
    Inventors: Lei Zhou, Heng Yu, Guang-Zhi Liu, Chun Wang
  • Patent number: 9218651
    Abstract: An image processing method for adjusting the luminance and contrast of an input image comprises the following steps. First, local spatial luminance statistics is performed on the first pixels of the input image to generate a luminance image including a plurality of second pixels. Then, from a preset mapping curve group comprising a plurality of smooth mapping curves, a corresponding smooth mapping curve is selected for each of the second pixels according to an adjusting function. Next, the pixel values of the second pixels are adjusted according to the corresponding smooth mapping curves to generate an adjusted image.
    Type: Grant
    Filed: May 14, 2014
    Date of Patent: December 22, 2015
    Assignees: NOVATEK (SHANGHAI) CO., LTD., NOVATEK MICROELECTRONICS CORP.
    Inventors: Bo Zhao, Guang-Zhi Liu, Jian-De Jiang
  • Publication number: 20150332442
    Abstract: An image processing method for adjusting the luminance and contrast of an input image comprises the following steps. First, local spatial luminance statistics is performed on the first pixels of the input image to generate a luminance image including a plurality of second pixels. Then, from a preset mapping curve group comprising a plurality of smooth mapping curves, a corresponding smooth mapping curve is selected for each of the second pixels according to an adjusting function. Next, the pixel values of the second pixels are adjusted according to the corresponding smooth mapping curves to generate an adjusted image.
    Type: Application
    Filed: May 14, 2014
    Publication date: November 19, 2015
    Applicants: NOVATEK (SHANGHAI) CO., LTD., NOVATEK MICROELECTRONICS CORP.
    Inventors: Bo ZHAO, Guang-Zhi LIU, Jian-De JIANG
  • Patent number: 9177507
    Abstract: An intensity compensation method for a display control device includes steps of obtaining a plurality of backlight duties of a plurality of backlights according to an image data; calculating a plurality of compensation gains according to the plurality of backlight duties and a non-uniform backlight profile, wherein the non-uniform backlight profile indicates a plurality of respective actual intensity distributions of the plurality of backlights; and compensating a plurality of first image intensities corresponding to a plurality of pixels of the image data according to the plurality of compensation gains, to obtain a plurality of second image intensities.
    Type: Grant
    Filed: July 30, 2013
    Date of Patent: November 3, 2015
    Assignees: Novatek (Shanghai) Co., Ltd., NOVATEK Microelectronics Corp.
    Inventors: Min Wei, Heng Yu, Jiande Jiang
  • Patent number: 8924821
    Abstract: A decoding method for low density parity check (LDPC) and an electric device using the decoding method are provided. The decoding method includes: receiving a message and executing an iteration decoding to the message; obtaining first belief values of the message in an (i?1)th iteration; obtaining a first energy summation of the first belief values; obtaining second belief values of the message in an ith iteration; obtaining a second energy summation of the second belief values; determining whether the second energy summation is smaller than the first energy summation and whether a difference between the first energy summation and the second energy summation is larger than a first threshold; if yes, generating a decoding result according to the first belief values. Therefore, a bit error rate of the decoding is decreased.
    Type: Grant
    Filed: February 21, 2013
    Date of Patent: December 30, 2014
    Assignees: Novatek (Shanghai) Co., Ltd., Novatek Microelectronics Corp.
    Inventors: Da-Wei Deng, Dan Bao, Zheng Li, Song Qian
  • Publication number: 20140327704
    Abstract: An intensity compensation method for a display control device includes steps of obtaining a plurality of backlight duties of a plurality of backlights according to an image data; calculating a plurality of compensation gains according to the plurality of backlight duties and a non-uniform backlight profile, wherein the non-uniform backlight profile indicates a plurality of respective actual intensity distributions of the plurality of backlights; and compensating a plurality of first image intensities corresponding to a plurality of pixels of the image data according to the plurality of compensation gains, to obtain a plurality of second image intensities.
    Type: Application
    Filed: July 30, 2013
    Publication date: November 6, 2014
    Applicants: NOVATEK Microelectronics Corp., Novatek (Shanghai) Co., Ltd.
    Inventors: Min Wei, Heng Yu, Jiande Jiang
  • Publication number: 20140313286
    Abstract: A display apparatus and an image display method of the display apparatus are provided, and the image display method includes following steps. Video contents that include a plurality of single frame images are received. A detection zone of the single frame images is determined according to a current scale mode of the display apparatus, and the different scale modes correspond to the different detection zones. The detection zone of each single frame image is detected to determine an image format of the video contents. A play mode of the display apparatus is adjusted according to the image format, and the video contents which are scaled are displayed by the display apparatus in the play mode.
    Type: Application
    Filed: June 25, 2013
    Publication date: October 23, 2014
    Applicants: Novatek (Shanghai)Co., Ltd., Novatek Microelectronics Corp.
    Inventors: Lei Zhou, Heng Yu, Guang-Zhi Liu, Chun Wang
  • Publication number: 20140173373
    Abstract: A decoding method for low density parity check (LDPC) and an electric device using the decoding method are provided. The decoding method includes: receiving a message and executing an iteration decoding to the message; obtaining first belief values of the message in an (i?1)th iteration; obtaining a first energy summation of the first belief values; obtaining second belief values of the message in an ith iteration; obtaining a second energy summation of the second belief values; determining whether the second energy summation is smaller than the first energy summation and whether a difference between the first energy summation and the second energy summation is larger than a first threshold; if yes, generating a decoding result according to the first belief values. Therefore, a bit error rate of the decoding is decreased.
    Type: Application
    Filed: February 21, 2013
    Publication date: June 19, 2014
    Applicants: NOVATEK MICROELECTRONICS CORP., NOVATEK (SHANGHAI) CO., LTD.
    Inventors: Da-Wei Deng, Dan Bao, Zheng Li, Song Qian