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  • Update : 2019-04-08
  • Size : 191kb
  • Downloaded :0次
  • Author :王南北
  • About : Nobody
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Introduction - If you have any usage issues, please Google them yourself
Fourier transform, discrete cosine transform and Hadamard transform are applied to Lena image. In the frequency domain, the spectrum of their transformed coefficient matrix is compared. Furthermore, the quality of image reconstruction under different transformations is observed by inverse transformation.
Packet file list
(Preview for download)
experiment1.m 2632 2018-05-12
lena.tif 264590 2017-10-09
PSNR_cal.m 331 2018-05-12
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