Patents by Inventor Christophe Chong-Pan

Christophe Chong-Pan 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).

  • Variable rate video encoder
    Patent number: 10027979
    Abstract: The invention concerns a method of video encoding comprising: determining a first ratio (IPRATIO) based on previously encoded picture frames of a video sequence comprising one or more intra-coded pictures (I) and one or more predicted pictures (P), the first ratio (IPRATIO) being calculated based on the ratio between the size of one or more previously encoded intra-coded pictures and the size of one or more previously encoded predicted pictures; and determining a quantization parameter (QP) to be applied to a frame to be encoded based on the first ratio (IPRATIO).
    Type: Grant
    Filed: July 21, 2015
    Date of Patent: July 17, 2018
    Assignee: Allegro DVT
    Inventors: Pascal Eymery, Christophe Chong-Pan
  • Low latency video encoder
    Patent number: 9706203
    Abstract: The invention concerns a method comprising: encoding, by a video encoder and based on a first quantization factor (QP), one or more first groups of image blocks of a video frame; estimating, by a processing device, the size of an image slice comprising a plurality of further groups of image blocks to be encoded; and determining, based on the estimated size of the image slice, a second quantization factor (QP) to be applied to one or more of the further groups.
    Type: Grant
    Filed: July 21, 2015
    Date of Patent: July 11, 2017
    Assignee: Allegro DVT
    Inventors: Pascal Eymery, Christophe Chong-Pan
  • VARIABLE RATE VIDEO ENCODER
    Publication number: 20160029042
    Abstract: The invention concerns a method of video encoding comprising: determining a first ratio (IPRATIO) based on previously encoded picture frames of a video sequence comprising one or more intra-coded pictures (I) and one or more predicted pictures (P), the first ratio (IPRATIO) being calculated based on the ratio between the size of one or more previously encoded intra-coded pictures and the size of one or more previously encoded predicted pictures; and determining a quantization parameter (QP) to be applied to a frame to be encoded based on the first ratio (IPRATIO).
    Type: Application
    Filed: July 21, 2015
    Publication date: January 28, 2016
    Applicant: Allegro DVT
    Inventors: Pascal Eymery, Christophe Chong-Pan
  • LOW LATENCY VIDEO ENCODER
    Publication number: 20160029020
    Abstract: The invention concerns a method comprising: encoding, by a video encoder and based on a first quantization factor (QP), one or more first groups of image blocks of a video frame; estimating, by a processing device, the size of an image slice comprising a plurality of further groups of image blocks to be encoded; and determining, based on the estimated size of the image slice, a second quantization factor (QP) to be applied to one or more of the further groups.
    Type: Application
    Filed: July 21, 2015
    Publication date: January 28, 2016
    Applicant: Allegro DVT
    Inventors: Pascal Eymery, Christophe Chong-Pan