Apparatus and method for digital image stabilization

Details Apparatus and method for digital image stabilization Apparatus and method for digital image stabilization

2005-12-30

2009-11-24

Natnael, Paulos M (Department: 2622)

Television

Flutter or jitter correction

Reexamination Certificate

active

07623184

ABSTRACT:
The invention provides a digital image stabilization apparatus for compensating a jitter occurred in the ith frame among N frames of a video sequence, where each of the N frames includes a plurality of blocks, N is a natural number larger than or equal to 3 and i is an integer index ranging from 1 to N. The apparatus includes a determining module, a comparing module and an adjusting module. The determining module is to determine a block of background region BRi-1in the (i−1)th frame. The comparing module, coupled to the determining module, is to compare the block of BRi-1in the (i−1)th frame with the corresponding block in the ith frame so as to determine a jitter vector. The adjusting module, coupled to the comparing module, is to adjust the ith frame in accordance with the jitter vector to compensate for the jitter occurred in the ith frame.

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