A Study on Digital Watermarking DEMs and Contour Maps

碩士 === 國立成功大學 === 測量及空間資訊學系 === 106 === This study proposes a digital watermarking method for DEMs and contour maps. The method includes linear congruential generator(LCG), adaptive method, discrete cosine transform(DCT), discrete Fourier transform(DFT) and discrete wavelet transform(DWT). This stud...

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Bibliographic Details
Main Authors: Yu-QianGuo, 郭禹謙
Other Authors: Jaan-Rong Tsay
Format: Others
Language:zh-TW
Published: 2018
Online Access:http://ndltd.ncl.edu.tw/handle/gmh2nd