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A novel scheme of orientation and scale mapped RDC (OS-RDC) to improve compression in document images ensuring quality preservation

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2 Author(s)
Apurba Das ; Imaging Tech Lab., HCL Technologies Ltd., Chennai, India ; R. Remya

Repeated appearance of any block of spatial data in document images can be cached and encoded single time to get good compression ratio. This Reusable Document Component (RDC) can replicate the blocks of each redundant image at the receiver side at different positions but with same size and orientation. We have proposed a novel algorithm of Orientation Scale mapped RDC (OS-RDC) which can identify and cache repeated image blocks even if they are of different size and orientations. Both the inter-page and intra-page redundancies are addressed ensuring significant quality preservation.

Published in:

Pattern Recognition (ICPR), 2012 21st International Conference on

Date of Conference:

11-15 Nov. 2012