Patents by Inventor Chungkuang Chu

Chungkuang Chu 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).

  • Publication number: 20050025361
    Abstract: An apparatus and method of detecting scene changes within a video frame sequence. A video data frame pixel array is partitioned into pixel groups within a frame difference engine. Video data matching of each pixel group is compared between a preceding and following video frame. By way of example pixel group matching can be determined in response to comparing the sums of absolute pixel luminance and/or chrominance differences between corresponding pixels in corresponding pixel groups within the sequential frames against a threshold value. If an insufficient number of pixel groups match, then a scene change signal is output, such as to the encoder which decides whether to encode the entire frame or changes from prior frames. A media communication system is also described, preferably implemented within an SoC, which wirelessly communicates encoded video data for substantially simultaneous viewing by a receiver.
    Type: Application
    Filed: June 8, 2004
    Publication date: February 3, 2005
    Inventors: Shirish Gadre, Pattabiraman Subramanian, Chungkuang Chu, Ikuo Tsukagoshi