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Ching-Nung Yang, Yung-Chien Chou, Tao-Ku Chang and Cheonshik Kim
Recently, image compression using adaptive block truncation coding based on edge quantization (ABTC-EQ) was proposed by Mathews and Nair. Their approach deals with an image for two types of blocks, edge blocks and non-edge blocks. Different from using th...
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Cheonshik Kim, Dong-Kyoo Shin, Ching-Nung Yang and Lu Leng
The image-based data hiding method is a technology used to transmit confidential information secretly. Since images (e.g., grayscale images) usually have sufficient redundancy information, they are a very suitable medium for hiding data. Absolute Moment ...
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Heri Prasetyo and Hendra Kurniawan
This paper presents an efficient and simple technique on reducing the false contour problem which often occurs in the JPEG decoded image. The false contour appears on JPEG decoded image while applying small quality factor. This problem induces unpleasant...
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Huang, C S; Lin, Y
Pág. 328 - 330
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