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Improved error detection in the JPEG2000 codec
DOI:10.1109/TCE.2008.4637572.png)
摘要
En 中文
The Segmentation symbol is an error resilience feature in the JPEG2000 image coding standard. When this feature is used, lack of detection of the segmentation symbol at the end of a bit-plane by the decoder indicates that an error has occurred within that bit-plane. However, a detected and correctly decoded segmentation symbol does not guarantee that the bit-plane is error free. In this paper, an error detection method is, proposed for detecting and removing the artefacts caused by the damaged bit-planes that were not detected by the segmentation symbol. The proposed method provides a model for the coded bit-planes in the encoder and uses this model for error detection at the decoder. Extensive simulations verify that the proposed method can effectively remove artifacts and improve the quality of the corrupted images on average by 1.2 dB and in some pictures by up to 6 dB in PSNR1.
Keyword:
JPEG2000
error detection
segmentation symbol
decoding artifacts
期刊
IF:
10.9
论文数:
5.1K
被引数:
6.8K
机构
引用论文
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Medicina
IF0
A syntax-preserving error resilience tool for JPEG 2000 based on error correcting arithmetic coding基于纠错算术编码的JPEG 2000语法保持错误恢复工具
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