Image Error Concealment Using Watermarking with Subbands for Wireless Channels
Transmission of block-coded images through error-prone wireless channels often results in lost blocks. In this study, we investigate a novel error concealment method for covering up these high packet losses and reconstructing a close approximation. Our scheme is a modified discrete wavelet transform...
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| Veröffentlicht in: | IEEE communications letters 2007-02, Vol.11 (2), p.179-181 |
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| container_end_page | 181 |
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| container_title | IEEE communications letters |
| container_volume | 11 |
| creator | Gur, G. Altug, Y. Anarim, E. Alagoz, F. |
| description | Transmission of block-coded images through error-prone wireless channels often results in lost blocks. In this study, we investigate a novel error concealment method for covering up these high packet losses and reconstructing a close approximation. Our scheme is a modified discrete wavelet transform (DWT) technique (namely, subbands based image error concealment (SIEC)) for embedding downsized replicas of original image into itself. We propose that this technique can be implemented for wireless channels to combat degradations in a backward-compatible scheme. We show that the proposed error concealment technique is promising, especially for the erroneous channels causing a wider range of packet losses, at the expense of computational burden. |
| doi_str_mv | 10.1109/LCOMM.2007.061055 |
| format | Article |
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In this study, we investigate a novel error concealment method for covering up these high packet losses and reconstructing a close approximation. Our scheme is a modified discrete wavelet transform (DWT) technique (namely, subbands based image error concealment (SIEC)) for embedding downsized replicas of original image into itself. We propose that this technique can be implemented for wireless channels to combat degradations in a backward-compatible scheme. 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| identifier | ISSN: 1089-7798 |
| ispartof | IEEE communications letters, 2007-02, Vol.11 (2), p.179-181 |
| issn | 1089-7798 1558-2558 |
| language | eng |
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| source | IEEE Electronic Library (IEL) |
| subjects | Applied sciences Approximation Automatic repeat request Blocking Channels Coding, codes Cryptography Degradation Discrete wavelet transforms Distortion Error analysis Error concealment error-prone channels Errors Exact sciences and technology Forward error correction Humans Image processing Image reconstruction Information, signal and communications theory Mathematical analysis Miscellaneous Robustness Signal and communications theory Signal processing Telecommunications and information theory Watermarking Wavelet domain |
| title | Image Error Concealment Using Watermarking with Subbands for Wireless Channels |
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