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Please use this identifier to cite or link to this item: http://ir.ncue.edu.tw/ir/handle/987654321/10027

Title: An Image Refining Method Using Digital Watermark via Vector Quantization
Authors: Chang, Chin-Chen;Hsiao, Ju-Yuan;Lu, Po-Wen
Contributors: 資訊工程系
Keywords: Vector quantization;Discrete cosine transform;Digital watermarking;Image refining;Denoising
Date: 2005-07
Issue Date: 2012-05-02T09:40:31Z
Publisher: IEEE Computer Society Washington, DC, USA
Abstract: In this paper, we shall propose an image refining method that incorporates the digital watermarking technique and Vector Quantization to recover an image after transmission on a network unclean or tampered by people. In our method, we embed the codevector indices of the original image into the original image itself via the watermarking technique. Then, in the refining phase, the indices are retrieved and employed to detect and recover the supposedly partially damaged image block. The experimental results show that the performance of our method is excellent in suppressing block noise.
Relation: The first International workshop on Distributed, Parallel and Network Applications (DPNA-2005), Fukuoka, Japan, July 20-22, 2005: 585-589
Appears in Collections:[資訊工程學系] 會議論文

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