Application of Particle Swarm Optimization Algorithm to Adjust the Watermark

碩士 === 華梵大學 === 資訊管理學系碩士班 === 97 === In this thesis, the embedded watermark using discrete wavelet transformation (DWT) is proposed to convert images into four various frequency sub-bands. Furthermore, Particle swarm optimization (PSO) is used to randomly select any sub-band to adjust three importan...

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Bibliographic Details
Main Authors: Jia-Yu Lian, 練家妤
Other Authors: Zne-Jung Lee
Format: Others
Language:zh-TW
Published: 2009
Online Access:http://ndltd.ncl.edu.tw/handle/65626084347205940426