US 7,321,695 B2
Encoder rate control
Edward L. Schwartz, Sunnyvale, Calif. (US)
Assigned to Ricoh Co., Ltd., Tokyo (Japan)
Filed on Dec. 12, 2002, as Appl. No. 10/318,962.
Application 10/318962 is a division of application No. 09/435313, filed on Nov. 05, 1999, granted, now 6,549,666.
Application 09/435313 is a division of application No. 08/847074, filed on May 01, 1997, abandoned.
Application 08/847074 is a continuation in part of application No. 08/643268, filed on May 03, 1996, granted, now 5,966,465.
Application 08/643268 is a continuation in part of application No. 08/498036, filed on Jun. 30, 1995, granted, now 5,867,602.
Application 08/498036 is a continuation in part of application No. 08/310146, filed on Sep. 21, 1994, granted, now 5,748,786.
Prior Publication US 2003/0138151 A1, Jul. 24, 2003
Int. Cl. G06K 9/36 (2006.01); G06K 9/46 (2006.01)
U.S. Cl. 382—239  [382/251] 41 Claims
OG exemplary drawing
 
1. A method for performing compression comprising the steps of: determining the average length of codewords to identify an encoding rate; and adjusting a compression rate based on a desired amount of compression.