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Downsampling-based multiple description image coding using optimal filtering

[+] Author Affiliations
Yüksel Yapıcı

University of Kocaeli, Laboratory of Image and Signal Processing, Department of Electronics & Telecommunications Engineering, Veziroglu Campus, 41040, Kocaeli, Turkey

Begüm Demir

University of Kocaeli, Laboratory of Image and Signal Processing, Department of Electronics & Telecommunications Engineering, Veziroglu Campus, 41040, Kocaeli, Turkey

Sarp Ertürk

University of Kocaeli, Laboratory of Image and Signal Processing, Department of Electronics & Telecommunications Engineering, Veziroglu Campus, 41040, Kocaeli, Turkey

Oğuzhan Urhan

University of Kocaeli, Laboratory of Image and Signal Processing, Department of Electronics & Telecommunications Engineering, Veziroglu Campus, 41040, Kocaeli, Turkey

J. Electron. Imaging. 17(3), 033018 (August 28, 2008). doi:10.1117/1.2976420
History: Received June 27, 2007; Revised April 30, 2008; Accepted May 02, 2008; Published August 28, 2008
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In this paper, a multiple description image coding scheme is proposed to facilitate the transmission of images over media with possible packet loss. The proposed method is based on finding the optimal reconstruction filter coefficients that will be used to reconstruct lost descriptions. For this purpose initially, the original image is downsampled and each subimage is coded using standard JPEG. These decoded images are then mapped to the original image size using the optimal filters. Multiple descriptions consist of coded down-sampled images and the corresponding optimal reconstruction filter coefficients. It is shown that the proposed method provided better results compared to standard interpolation filters (i.e., bicubic and bilinear).

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© 2008 SPIE and IS&T

Citation

Yüksel Yapıcı ; Begüm Demir ; Sarp Ertürk and Oğuzhan Urhan
"Downsampling-based multiple description image coding using optimal filtering", J. Electron. Imaging. 17(3), 033018 (August 28, 2008). ; http://dx.doi.org/10.1117/1.2976420


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