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...
Main Authors: | , |
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Other Authors: | |
Format: | Others |
Language: | zh-TW |
Published: |
2018
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Online Access: | http://ndltd.ncl.edu.tw/handle/gmh2nd |