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A Simple Prediction Method for Progressive Image Transmission

A Simple Prediction Method for Progressive Image Transmission
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Author(s): Chin-Chen Chang (National Chung Cheng University, Taiwan), Guang-Xue Xiao (National Chung Cheng University, Taiwan) and Tung-Shou Chen (National Taichung Institute of Technology, Taiwan)
Copyright: 2002
Pages: 11
Source title: Distributed Multimedia Databases: Techniques and Applications
Source Author(s)/Editor(s): Timothy K. Shih (Tamkang University, Taiwan)
DOI: 10.4018/978-1-930708-29-7.ch016

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Abstract

BPM is a simple and intuitive method to implement the progressive image transmission. However, its reconstructed image quality at each of the beginning stages is not good. In this paper, we propose a simple prediction method to improve the quality of the reconstructed image for BPM at each of the beginning stages. By partitioning the input image into smaller blocks, our method transmits an important part of the pixel information of each block to the receiver in each stage. To reconstruct the whole image, the receiver recovers the missing pixel information in each block by linear prediction based on the transmitted pixel information. The experiment results show that our method can significantly improve the reconstructed image quality at each of the beginning stages compared to the BPM and IBPM proposed previously.

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