| Presentation | 2000/10/16 An Error Concealment Algorithm Using Motion Estimation Method for MPEG-4 Video Haksop Song, Tian Song, Hiroyuki Okada, Gen Fujita, Takao Onoye, Isao Shirakawa, |
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| PDF Download Page | PDF download Page Link |
| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | We discuss an error concealment algorithm for moving picture coding in error-prone mobile communication networks. MPEG-4 standard provides not only high compression capability but also error resilient functionality for transmission channels with bit errors. In the decoder, though error concealments are carrid out on parts of an image not decoded due to code bit errors, its concealment methods affect, on a large scale, the quality of a decoded image. In this paper, we propose a new error concealment algorithm that is based on the motion estimation method using boundary pixel values of an error block in a current frame and then replaces error blocks with similar blocks searched in the previous frame. In conventional methods, since motion vectors are not used for error concealment, correct reconstruction is sometimes not attained. However, by the proposed method it is possible to provide more ideal results. Moreover, simulation results demonstrate that the quality of a recovered image is significantly improved. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | MPEG-4 / error resilient / error concealment / motion estimation |
| Paper # | DSP2000-107,ICD2000-100,IE2000-52 |
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| Conference Information | |
| Committee | ICD |
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| Conference Date | 2000/10/16(1days) |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
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| Paper Information | |
| Registration To | Integrated Circuits and Devices (ICD) |
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| Language | JPN |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | An Error Concealment Algorithm Using Motion Estimation Method for MPEG-4 Video |
| Sub Title (in English) | |
| Keyword(1) | MPEG-4 |
| Keyword(2) | error resilient |
| Keyword(3) | error concealment |
| Keyword(4) | motion estimation |
| 1st Author's Name | Haksop Song |
| 1st Author's Affiliation | Dept. Information Systems Engineering, Osaka University() |
| 2nd Author's Name | Tian Song |
| 2nd Author's Affiliation | Dept. Information Systems Engineering, Osaka University |
| 3rd Author's Name | Hiroyuki Okada |
| 3rd Author's Affiliation | Dept. Information Systems Engineering, Osaka University:Multimedia Systems Development Laboratories, Sharp Corporation |
| 4th Author's Name | Gen Fujita |
| 4th Author's Affiliation | Dept. Information Systems Engineering, Osaka University |
| 5th Author's Name | Takao Onoye |
| 5th Author's Affiliation | Dept. Communication & Computer Engineering, Kyoto University |
| 6th Author's Name | Isao Shirakawa |
| 6th Author's Affiliation | Dept. Information Systems Engineering, Osaka University |
| Date | 2000/10/16 |
| Paper # | DSP2000-107,ICD2000-100,IE2000-52 |
| Volume (vol) | vol.100 |
| Number (no) | 386 |
| Page | pp.pp.- |
| #Pages | 7 |
| Date of Issue | |