Title :
An Enhanced image coding algorithm based on human visual system
Author :
Xuechun, Wang ; Fang, Han ; Yajuan, Zhang
Author_Institution :
Sch. of Inf. Eng., Huanghe Sci. & Technol. Coll., Zhengzhou, China
Abstract :
An image coding algorithm based on human visual system is proposed. SPIHT algorithm is analyzed and Enhanced in this paper. According to the different sensitivity of human visual system on edge, smooth and texture regions of the image, different perceptual weights are given to the corresponding wavelet coefficients for the image information in these three different areas. The experiment results show that the algorithm has better subjective quality of the reconstitution image and higher peak signal-to-noise ratio (PSNR).
Keywords :
image coding; image enhancement; image texture; trees (mathematics); wavelet transforms; SPIHT algorithm; edge regions; enhanced image coding algorithm; human visual system; image information; peak signal-to-noise ratio; perceptual weights; reconstitution image; set partitioning in hierarchical trees algorithm; smooth regions; texture regions; wavelet coefficients; Educational institutions; Fires; Image coding; SPIHT; human visual system; image compression; wavelet coefficient;
Conference_Titel :
Cross Strait Quad-Regional Radio Science and Wireless Technology Conference (CSQRWC), 2011
Conference_Location :
Harbin
Print_ISBN :
978-1-4244-9792-8
DOI :
10.1109/CSQRWC.2011.6037059
