| Presentation | 2000/10/17 Two Dimensional Lossless Transform and Its Application to Image Coding Kunitoshi KOMATSU, Kaoru SEZAKI, |
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| PDF Download Page | PDF download Page Link |
| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | Since the lossless DCT is compatible with JPEG or MPEG, it is expected to play an important role in the unified lossless/1ossy image coding. However, there is a problem that the difference between transform coefficients of the lossless DCT and those of the lossy(conventional)DCT is not small, when the same image is an input. Therefore, in this paper, we will design a two dimensional lossless DCT based on two dimensional 4-point lossless WHT and indicate that the number of rounding off in ladder circuit becomes smaller than that of one dimensional lossless DCTs and, therefore, the difference between transform coefficients of the two dimensional lossless DCT and those of the lossy DCT becomes small. We will also design two dimensional 8x8-point lossless WHT and indicate that the compatibility with the lossy WHT is high and that the number of multiplication is zero. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | lossless DCT / image coding / unified lossless/lossy coding / 1adder circuit / lossless WHT / two dimension |
| Paper # | DSP2000-120, ICD2000-113, IE2000-65 |
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| Conference Information | |
| Committee | IE |
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| Conference Date | 2000/10/17(1days) |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
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| Paper Information | |
| Registration To | Image Engineering (IE) |
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| Language | JPN |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Two Dimensional Lossless Transform and Its Application to Image Coding |
| Sub Title (in English) | |
| Keyword(1) | lossless DCT |
| Keyword(2) | image coding |
| Keyword(3) | unified lossless/lossy coding |
| Keyword(4) | 1adder circuit |
| Keyword(5) | lossless WHT |
| Keyword(6) | two dimension |
| 1st Author's Name | Kunitoshi KOMATSU |
| 1st Author's Affiliation | Institute of Industrial Science, University of Tokyo() |
| 2nd Author's Name | Kaoru SEZAKI |
| 2nd Author's Affiliation | Institute of Industrial Science, University of Tokyo |
| Date | 2000/10/17 |
| Paper # | DSP2000-120, ICD2000-113, IE2000-65 |
| Volume (vol) | vol.100 |
| Number (no) | 389 |
| Page | pp.pp.- |
| #Pages | 8 |
| Date of Issue | |