US Patent 7203237 Transcoders and methods

Patent 7203237 was granted and assigned to Texas Instruments on April, 2007 by the United States Patent and Trademark Office.

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Patent

Patent attributes

Current Assignee

Texas Instruments

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

7203237

Date of Patent

April 10, 2007

Patent Application Number

10664227

Date Filed

September 17, 2003

Patent Citations Received

‌

US Patent 11930188 Reference region determination apparatus and program

Patent Primary Examiner

‌

Shawn S An

Patent abstract

Transcoding as from MPEG-2 SDTV to MPEG-4 CIF reuses motion vectors and downsamples in the frequency (DCT) domain with differing treatments of frame-DCT and field-DCT blocks, and alternatively uses de-interlacing IDCT with respect to the row dimension plus deferred column downsampling for reference frame blocks.

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