CORRESPONDENCE: Image CodingNo Access

CONTOUR BASED MULTI-ROI MULTI-QUALITY ROI CODING FOR STILL IMAGE

YAN ZHANG

Qingdao University of Science and Technology, 69 Songling Road, Qingdao 266061, P. R. China

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and

HAI-MING GU

Qingdao University of Science and Technology, 69 Songling Road, Qingdao 266061, P. R. China

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https://doi.org/10.1142/S0218001411008488Cited by:1 (Source: Crossref)

Abstract

Region-of-interest (ROI) image coding is one of the new features included in the JPEG2000 image coding standard. Two methods are defined in the standard: the Maxshift method and the generic scaling based method. In this paper, a new region-of-interest coding method called Contour-based Multi-ROI Multi-quality Image Coding (CMM) is proposed. Unlike other existing methods, the CMM method takes the contour and texture of the whole image as a special ROI, which makes the visually most important parts (in both ROI and Background) to be coded first. Experimental results indicate that the proposed method significantly outperforms the previous ROI coding schemes in the overall ROI coding performance.

Keywords:

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