Natural image compression based on modified SPIHT
Due to the bandwidth and storage limitations, image must be compressed before transmission. The set partitioning in hierarchical trees (SPIHT) algorithm is an efficient method for lossy and lossless coding of image. This paper presents some modifications on the set partitioning in hierarchical trees...
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| creator | Song, Jae-Ju Yi, Bong-Jae Shin, Jin-Ho Kang, Ju-Young Lee, Jung-Il Cho, Seon-Ku |
| description | Due to the bandwidth and storage limitations, image must be compressed before transmission. The set partitioning in hierarchical trees (SPIHT) algorithm is an efficient method for lossy and lossless coding of image. This paper presents some modifications on the set partitioning in hierarchical trees (SPIHT) algorithm. It is based on the idea of insignificant correlation of wavelet coefficient among the medium and high frequency subbands respectively. In this scheme, insignificant wavelet coefficients that correspond to the same spatial location in the medium subbands can be used to reduce the redundancy by a combined function that modified SPIHT proposes. In the high frequency subbands, the modified SPIHT proposes dictator to reduce the interband redundancy. Experimental results show that the proposed technique improves the quality of the reconstructed image in both PSNR and perceptual result when compare to JPEG2000 at the same bit rate. |
| doi_str_mv | 10.1109/ICIS.2005.93 |
| format | Conference Proceeding |
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The set partitioning in hierarchical trees (SPIHT) algorithm is an efficient method for lossy and lossless coding of image. This paper presents some modifications on the set partitioning in hierarchical trees (SPIHT) algorithm. It is based on the idea of insignificant correlation of wavelet coefficient among the medium and high frequency subbands respectively. In this scheme, insignificant wavelet coefficients that correspond to the same spatial location in the medium subbands can be used to reduce the redundancy by a combined function that modified SPIHT proposes. In the high frequency subbands, the modified SPIHT proposes dictator to reduce the interband redundancy. Experimental results show that the proposed technique improves the quality of the reconstructed image in both PSNR and perceptual result when compare to JPEG2000 at the same bit rate.</abstract><pub>IEEE</pub><doi>10.1109/ICIS.2005.93</doi><tpages>5</tpages></addata></record> |
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| ispartof | Fourth Annual ACIS International Conference on Computer and Information Science (ICIS'05), 2005, p.100-104 |
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| language | eng |
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| source | IEEE Electronic Library (IEL) Conference Proceedings |
| subjects | Bandwidth Frequency Image coding Image reconstruction Image storage Information management Multimedia communication Multimedia systems Partitioning algorithms Technology management |
| title | Natural image compression based on modified SPIHT |
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