Subjective rating of picture coding algorithms

Wen Xu; Gert Hauske; Pavel Filip; Michael J. Ruf

doi:10.1117/12.206768

21 April 1995 Subjective rating of picture coding algorithms

Wen Xu, Gert Hauske, Pavel Filip, Michael J. Ruf

Proceedings Volume 2501, Visual Communications and Image Processing '95; (1995) https://doi.org/10.1117/12.206768
Event: Visual Communications and Image Processing '95, 1995, Taipei, Taiwan

Abstract

This paper reports on a comprehensive subjective evaluation of different waveform coding algorithms for monochrome still pictures. In order to obtain reliable and relevant results about the coding efficiency in the sense of a rate-distortion criterion, i.e. mean opinion scores (MOS) of observers vs. bit rate, the coding algorithms are optimized as far as possible by maintaining the subjective quality of coded pictures. Test pictures with various bit rates are generated from several source pictures. The psychophysical picture quality experiments are carried out for the whole set of test pictures. Based on the experimental results, different coding algorithms are quantitatively compared with each other. The coding methods investigated include the following stand-alone methods: DPCM, vector quantization (VQ), discrete cosine transform (DCT) coding, recursive block coding (RBC), subband coding (SBC), wavelet transform coding (WTC), Laplacian pyramid coding, Cortex transform coding, and combined methods: ISO standard JPEG, wavelet transform with run-length coding and variable length coding, DCT with pyramid vector quantization (PVQ) and subband transform with PVQ.

Citation Download Citation

Wen Xu, Gert Hauske, Pavel Filip, and Michael J. Ruf "Subjective rating of picture coding algorithms", Proc. SPIE 2501, Visual Communications and Image Processing '95, (21 April 1995); https://doi.org/10.1117/12.206768

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