Patents by Inventor Josh Gahm

Josh Gahm 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).

  • Resolution robust video quality metric
    Patent number: 9426478
    Abstract: In one embodiment, a video processing system includes a processor to read a mapping between a peak signal to noise ratio, PSNR, and a video quality metric, M, for an encoded version of a first video portion encoded at full resolution Rmax, read an up-sampled peak signal to noise ratio, uPSNR(Rx) of an up-sampled decoded video portion deriving from the first video portion being encoded at a resolution Rx, which is less than the full resolution Rmax, yielding an encoded video portion, the encoded video portion being decoded and then up-sampled to the full resolution Rmax; and lookup a value, V?, that maps to uPSNR(Rx) in the mapping, V? representing a resolution normalized M value of the encoded video portion encoded at the resolution Rx. Related apparatus and methods are also described.
    Type: Grant
    Filed: July 21, 2014
    Date of Patent: August 23, 2016
    Assignee: Cisco Technology, Inc.
    Inventors: Zhi Li, Josh Gahm
  • Resolution Robust Video Quality Metric
    Publication number: 20160021380
    Abstract: In one embodiment, a video processing system includes a processor to read a mapping between a peak signal to noise ratio, PSNR, and a video quality metric, M, for an encoded version of a first video portion encoded at full resolution Rmax, read an up-sampled peak signal to noise ratio, uPSNR(Rx) of an up-sampled decoded video portion deriving from the first video portion being encoded at a resolution Rx, which is less than the full resolution Rmax, yielding an encoded video portion, the encoded video portion being decoded and then up-sampled to the full resolution Rmax; and lookup a value, V?, that maps to uPSNR(Rx) in the mapping, V? representing a resolution normalized M value of the encoded video portion encoded at the resolution Rx. Related apparatus and methods are also described.
    Type: Application
    Filed: July 21, 2014
    Publication date: January 21, 2016
    Inventors: Zhi Li, Josh Gahm