Robust bit extraction from images

Multimedia Computing and Systems, 1999. IEEE International Conference, (1999): 536-540vol.2

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In this paper we describe an algorithm for robust extraction of bits from image blocks and a method for synthesizing a Gaussian pseudo-random sequence from those bits. The bits are extracted by thresholding projections onto random smooth patterns generated from a user-specified key. The extracted bits are further utilized to synthesize a ...更多

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