Patents by Inventor Soo Chang Jang

Soo Chang Jang 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: 7098958
    Abstract: An adaptive filter calculates a target pixel from an interlaced video signal. The video signal comprises a plurality of frames, each of which comprises an even and an odd field. The filter comprises a quantized motion calculator and a filter selector. The quantized motion calculator estimates an amount of motion about the target pixel. The filter selector selects a filter in accordance with the estimated amount of motion. The filter applies a first weighting factor to a plurality of current field pixels and a second weighting factor to a plurality of previous field pixels for creating the target pixel.
    Type: Grant
    Filed: April 28, 2004
    Date of Patent: August 29, 2006
    Assignee: Jaldi Semiconductor Corp.
    Inventors: G. Finn Wredenhagen, Gary Cheng, Soo Chang Jang, Lance Greggain