Object-by shape information compression apparatus and method and

Details Object-by shape information compression apparatus and method and Object-by shape information compression apparatus and method and

1995-06-07

1998-08-25

Boudreau, Leo

Image analysis

Image compression or coding

Shape, icon, or feature-based compression

382236, G06K 900

Patent

active

057991090

ABSTRACT:
An object-by shape information compression apparatus and a method thereof, which includes a motion compensation prediction circuit provided for motion-compensation-predicting a shape information of a current fame using a shape information of a previous frame and a motion information of a current frame; a subtraction circuit provided for computing a prediction error region by subtracting a shape information predicted by the motion compensation prediction circuit and a current motion region; a threshold operation circuit provided for determining a transfer and disconnection of an information in accordance with time by threshold-operating an isolated prediction error region obtained by the subtraction circuit; a contour prediction circuit provided for compression-coding a shape information by predicting a contour in a prediction error region obtained by the threshold operation circuit; a contour reconstruction circuit provided for reconstructing an isolated prediction error region from a contour coded by the contour prediction circuit; and an addition circuit provided for adding an isolated prediction error region obtained by the contour reconstruction circuit and a shape information of a motion-compensated and -predicted current frame.

REFERENCES:
patent: 4307420 (1981-12-01), Ninomiya et al.
patent: 4849810 (1989-07-01), Ericsson
patent: 5150209 (1992-09-01), Baker et al.
patent: 5177513 (1993-01-01), Saito
patent: 5191436 (1993-03-01), Yonemitsu
patent: 5220647 (1993-06-01), Kumagai
patent: 5282049 (1994-01-01), Hatakenaka et al.
patent: 5343250 (1994-08-01), Iwamura
patent: 5371602 (1994-12-01), Tsuboi et al.

Affiliated with

Also associated with

Rating

Object-by shape information compression apparatus and method and does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Object-by shape information compression apparatus and method and, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Object-by shape information compression apparatus and method and will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-42232