5,012,522 A 4/1991 Lambert includes an algorithm memory for Storing an algorithm
5,086,480 A 2/1992 Sexton comprised of the aforementioned first and Second compo …

US PATENT DOCUMENTS 5.991, 456 A 11/1999 Rahman et al. 6,009,209 A 12/1999 Acker
et al. 4,970,683 A 11, 1990 Harshaw et al. 6,016,354 A 1/2000 Lin et al. 4,975,969 A …

(57) ABSTRACT A digital image processing technique is for detecting and correcting visual
imperfections using a reference image. A main image and one or more reference images …

U8. PATENT DOCUMENTS 6,502,107 B1 12/2002 1116111116 6,504,942 B1 1/2003 HOng
6161. 5,164,992 A 11/1992 Turket 111 6,504,951 B1 1/2003 L116 6161. 5,227,837 A …

5,978,519 A 11/1999 Bollman eta1~ 382/282 2003/0052991 A1 3/2003 Stavely 6161
348/370 5,991,456 A 11/1999 Rahman etal 382/254 2003/0059107 A1 3/2003 Sun 6161 …

The present invention relates to the field of video signal processing, and, more particularly,
to a System and method for rapidly tracking multiple faces. 2. Description of Related Art With …

(57) ABSTRACT A processor-based System operating according to digitally embedded
programming instructions performs a method including identifying a group of pixels …

Within a digital rendering device. Such as printers, hard copy and soft copy display, and
copiers, rendering parameters of a digital image are perfected as part of an image rendering …

Automatic detection and tracking of multiple individuals includes receiving a frame of video
and/or audio content and identifying a candidate area for a neW face region in the frame …

(57) ABSTRACT A digital image processing technique detects and corrects visual
imperfections using a reference image. A main image and one or more reference images …