The Study on Digital watermarking Technology

碩士 === 國立高雄第一科技大學 === 電腦與通訊工程系 === 89 === We propose three watermarking methods in the thesis. The first method is that the pixel values in the lowest-frequency band of three-level discrete wavelet transform (DWT) for the host image are quantized and then the index of quantization of each...

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Bibliographic Details
Main Authors: Chang-Ruey Lin, 林長瑞
Other Authors: Ching-Huang Wei
Format: Others
Language:en_US
Published: 2001
Online Access:http://ndltd.ncl.edu.tw/handle/37942939455976323178