Abstract
Ringing artifacts arise near large edges in highly compressed JPEG2000 images. In this letter, a ringing artifact reduction scheme designed for low bit-rate JPEG2000 images is proposed. A local adaptive filter is adopted to process the received image in spatial domain and each wavelet subband. Meanwhile, a new method to estimate the variance of compression loss is put forward. The scheme can achieve both PSNR improvement and human perceptual enhancement in most cases.
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References
Information Technology - JPEG2000 Image Coding System. ISO/IEC International Standard 154441, ITU Recommendation T.800 (2000)
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Fang, J., Sun, J. (2007). Ringing Artifact Reduction for JPEG2000 Images. In: Huang, DS., Heutte, L., Loog, M. (eds) Advanced Intelligent Computing Theories and Applications. With Aspects of Contemporary Intelligent Computing Techniques. ICIC 2007. Communications in Computer and Information Science, vol 2. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-74282-1_115
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DOI: https://doi.org/10.1007/978-3-540-74282-1_115
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-540-74281-4
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