Brightness-variation compensation method and coding/decoding...

Details Brightness-variation compensation method and coding/decoding... Brightness-variation compensation method and coding/decoding...

2005-08-23

2005-08-23

Rao, Andy (Department: 2613)

Pulse or digital communications

Bandwidth reduction or expansion

Television or motion video signal

C375S240110

Reexamination Certificate

active

06934331

ABSTRACT:
A moving image brightness variation compensation method for encoding digital moving images for transmission and storage, and for image processing when editing moving images, the moving image brightness variation compensation method comprising a step of compensating for overall brightness variations by correcting a luminance value x of each pixel according to the formula DC·x+DB, wherein DBis a parameter indicating a gain change and DCis a parameter indicating a contrast change, the parameters representing overall luminance changes between a reference image plane and an image plane being processed.

REFERENCES:
patent: 5544239 (1996-08-01), Golin et al.
patent: 5734431 (1998-03-01), Dachiku et al.

Affiliated with

Also associated with

Rating

Brightness-variation compensation method and coding/decoding... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Brightness-variation compensation method and coding/decoding..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Brightness-variation compensation method and coding/decoding... will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3462858