Method and apparatus for transmission of compressed picture data

• US 5,838,925 A
• Filed: 04/15/1996
• Issued: 11/17/1998
• Est. Priority Date: 08/26/1994
• Status: Expired due to Term

• Current Assignee: Sony Corporation (Sony Group Corp.)
• Original Assignee: Sony Corporation (Sony Group Corp.)
• Inventors: Kotani, Hiroki
• Primary Examiner(s): Trammell, James P.
• Assistant Examiner(s): Nguyen, Cuong H.
• Application Number:
  US08/624,548
• Time in Patent Office: 946 Days
• Field of Search: 348/401, 348/405, 348/409, 348/404, 348/415, 348/400, 348/416, 348/419, 348/411, 348/420, 348/412, 348/423, 348/18-19, 348/715, 348/705, 348/700, 386/111, 386/112, 386/68, 386/95, 386/124, 386/109, 395/200.77, 364/715.02, 341/60, 345/202
• US Class Current: 709/247
• CPC Class Codes: H04N 19/172 the region being a picture, frame or field
• CPC Class Codes: H04N 19/30 using hierarchical techniques, e.g. scalability H04N19/63 takes precedence
• CPC Class Codes: H04N 19/46 Embedding additional information in the video signal during the compression process H04N19/517, H04N19/68, H04N19/70 take precedence
• CPC Class Codes: H04N 19/577 Motion compensation with bidirectional frame interpolation, i.e. using B-pictures
• CPC Class Codes: H04N 19/61 in combination with predictive coding
• CPC Class Codes: H04N 19/89 involving methods or arrangements for detection of transmission errors at the decoder
• CPC Class Codes: H04N 21/23424 involving splicing one content stream with another content stream, e.g. for inserting or substituting an advertisement
• CPC Class Codes: H04N 5/9261 involving data reduction
• CPC Class Codes: H04N 7/54 the signals being synchronous H04N21/23602, H04N21/23614, H04N21/2365, H04N21/2368, H04N21/4341, H04N21/4342, H04N21/4347, H04N21/4348 take precedence

Claims