Patents by Inventor Chandan Siyag

Chandan Siyag 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: 10540750
    Abstract: An electronic device includes a SPAD array and readout circuitry coupled thereto. The readout circuitry generates a depth map having a first resolution, and a signal count map having a second resolution greater than the first resolution. The depth map corresponds to distance observations to an object. The signal count map corresponds to intensity observation sets of the object, with each intensity observation set including intensity observations corresponding to a respective distance observation in the depth map. An upscaling processor is coupled to the readout circuitry to calculate upscaling factors for each intensity observation set so that each distance observation has respective upscaling factors associated therewith. The depth map is then upscaled from the first resolution to the second resolution based on the respective upscaling factors.
    Type: Grant
    Filed: May 10, 2018
    Date of Patent: January 21, 2020
    Assignees: STMICROELECTRONICS SA, STMICROELECTRONICS (RESEARCH & DEVELOPMENT) LIMITED
    Inventors: Ed Hawkins, Arnaud Bourge, Chandan Siyag
  • Publication number: 20180268522
    Abstract: An electronic device includes a SPAD array and readout circuitry coupled thereto. The readout circuitry generates a depth map having a first resolution, and a signal count map having a second resolution greater than the first resolution. The depth map corresponds to distance observations to an object. The signal count map corresponds to intensity observation sets of the object, with each intensity observation set including intensity observations corresponding to a respective distance observation in the depth map. An upscaling processor is coupled to the readout circuitry to calculate upscaling factors for each intensity observation set so that each distance observation has respective upscaling factors associated therewith. The depth map is then upscaled from the first resolution to the second resolution based on the respective upscaling factors.
    Type: Application
    Filed: May 10, 2018
    Publication date: September 20, 2018
    Inventors: Ed Hawkins, Arnaud Bourge, Chandan Siyag