The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 13, 1998
Filed:
Feb. 26, 1997
Applicant:
Inventors:
Toshiaki Setogawa, Kanagawa, JP;
Kazuyasu Imahashi, Kanagawa, JP;
Kenji Mori, Kanagawa, JP;
Kentaro Tanaka, Kanagawa, JP;
Assignee:
Sony Corporation, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
H04N / ;
U.S. Cl.
CPC ...
348845 ; 348700 ; 386-4 ; 386 52 ;
Abstract
An image data processing method in a signal processing method for coding a picture sequence comprised of I-pictures, P-pictures, and B-pictures accommodated in GOP's, wherein when the pictures of a certain GOP among a series of GOP's are changed, the coding is performed replacing the first picture of the sequence of the changed pictures of the GOP with an I-picture of a picture number prescribed in accordance with the position of change so that coding is possible without existence of a picture in the preceding GOP.