JPEG-Like Color Image Compression Based on All Phase Biorthogonal Transform and Improved Quantization Table

Yang, Fanfan; Wang, Chengyou; Zhou, Xiao

doi:10.12720/jcm.10.11.896-902

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2017

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“…The performance comparisons between the color image coding algorithm based on SA-DCT and the proposed algorithm based on SA-APBT are performed in terms of both the objective quality and subjective quality of the reconstructed color images. The objective quality of the color image is measured by the composite peak signal-to-noise ratio (CPSNR) [15]:…”

Section: Resultsmentioning

confidence: 99%

Color Image Coding Based on Shape-Adaptive All Phase Biorthogonal Transform

2017

J Inf Process Syst

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This paper proposes a color image coding algorithm based on shape-adaptive all phase biorthogonal transform (SA-APBT). This algorithm is implemented through four procedures: color space conversion, image segmentation, shape coding, and texture coding. Region-of-interest (ROI) and background area are obtained by image segmentation. Shape coding uses chain code. The texture coding of the ROI is prior to the background area. SA-APBT and uniform quantization are adopted in texture coding. Compared with the color image coding algorithm based on shape-adaptive discrete cosine transform (SA-DCT) at the same bit rates, experimental results on test color images reveal that the objective quality and subjective effects of the reconstructed images using the proposed algorithm are better, especially at low bit rates. Moreover, the complexity of the proposed algorithm is reduced because of uniform quantization.

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Section: Resultsmentioning

confidence: 99%

Color Image Coding Based on Shape-Adaptive All Phase Biorthogonal Transform

2017

J Inf Process Syst

View full text Add to dashboard Cite

show abstract

JPEG-Like Color Image Compression Based on All Phase Biorthogonal Transform and Improved Quantization Table

Cited by 1 publication

References 15 publications

Color Image Coding Based on Shape-Adaptive All Phase Biorthogonal Transform

Color Image Coding Based on Shape-Adaptive All Phase Biorthogonal Transform

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