figure imagesc(Img,[0 255]) colormap(gray) hold on bw = roipoly phi = 2*(0.5-bw) tic for n = 1:200 phi = Evo_ILF_2D(phi,mu,lambda,epsilon,timestep,Img_lap) pause(0.05) imagesc(Img, [0, 255]) colormap(gray) hold on [c,h] = c

用于计算声音信号的短时傅立叶变换，默认情况下窗口重叠了50％，计算STFT三个窗口中的矩形并转化为声音信号。-To compute STFT three windows are available in this code Rectangular, Hamming and Hanning. By default window overlapping is set by 50 . One can easily compute the STFT of sound signals.Results ar