yiyangcai / ee225b-pset8

Wavelet transformation

EE225B-PSet8

Wavelet transformation

Problem 1(in folder problem1)

Running the following file in subfolder problem1

main

Problem2 (in folder problem2)

Running the following file in subfolder problem2

main

Problem3 (in folder problem3)

Running the following file in subfolder problem3

zero_a

which can get the results of zeroing approximation coefficients

zero_h

which can get the results of zeroing horizontal detailed coefficients

zero_v

which can get the results of zeroing vertical detailed coefficients

zero_h_v

which can get the results of zeroing both horizontal and vertical detailed coefficients

Plus I conduct an additional experiments, zeroing the disgonal blocks coefficients

zero_diagonal

which can get the results of zeroing diagonal blaock detailed coefficients

Problem4 (in folder problem4)

Running the following file in subfolder problem4

main1

which can get the results of truncating coefficients with a threshold of 0.05, also computing the RMSE and SQAR_SNR

main2

which can get the results of truncating coefficients with a threshold of 0.025, also computing the RMSE and SQAR_SNR

main3

which can get the results of truncating coefficients with a threshold of 0.01, also computing the RMSE and SQAR_SNR