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2009 11th IEEE International Symposium on Multimedia
Fast JPEG Huffman Table Restoring and Decoding for Embedded DSP Implementations
San Diego, California, USA
December 14-December 16
ISBN: 978-0-7695-3890-7
| ASCII Text | x | ||
| Pei-Man Yang, Jen-Kuei Yang, Wen-Shan Wang, Shau-Yin Tseng, "Fast JPEG Huffman Table Restoring and Decoding for Embedded DSP Implementations," Multimedia, International Symposium on, pp. 118-123, 2009 11th IEEE International Symposium on Multimedia, 2009. | |||
| BibTex | x | ||
| @article{ 10.1109/ISM.2009.18, author = {Pei-Man Yang and Jen-Kuei Yang and Wen-Shan Wang and Shau-Yin Tseng}, title = {Fast JPEG Huffman Table Restoring and Decoding for Embedded DSP Implementations}, journal ={Multimedia, International Symposium on}, volume = {0}, year = {2009}, isbn = {978-0-7695-3890-7}, pages = {118-123}, doi = {http://doi.ieeecomputersociety.org/10.1109/ISM.2009.18}, publisher = {IEEE Computer Society}, address = {Los Alamitos, CA, USA}, } | |||
| RefWorks Procite/RefMan/Endnote | x | ||
| TY - CONF JO - Multimedia, International Symposium on TI - Fast JPEG Huffman Table Restoring and Decoding for Embedded DSP Implementations SN - 978-0-7695-3890-7 SP118 EP123 A1 - Pei-Man Yang, A1 - Jen-Kuei Yang, A1 - Wen-Shan Wang, A1 - Shau-Yin Tseng, PY - 2009 VL - 0 JA - Multimedia, International Symposium on ER - | |||
DOI Bookmark: http://doi.ieeecomputersociety.org/10.1109/ISM.2009.18
The contents of the Huffman tables for JPEG coding might varied from one image to another. To ensure that the JPEG decoder uses the same Huffman tables as the encoder did, the JPEG standard suggests a method for encoder to downsize the Huffman tables and save them in file header so that the decoder can restore them from the header. Table restoration is time consumed because of the huge AC Huffman table size. It is a challenge for the embedded devices to make this real-time task due to lack of hardware support and limited memory space. This paper introduces a fast approach to restore the Huffman tables and reduce the table size. According to the experiment results run inARM7TDMI, the proposed approach can present, compared with the leading-bit search, about 80%size down for table buffers and about 3 times of speedup for the table building.
Citation:
Pei-Man Yang, Jen-Kuei Yang, Wen-Shan Wang, Shau-Yin Tseng, "Fast JPEG Huffman Table Restoring and Decoding for Embedded DSP Implementations," ism, pp.118-123, 2009 11th IEEE International Symposium on Multimedia, 2009
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