5 Example Questions votes newest recent 8Signal Processing: How do I detect if two images are visually identical? 2Signal Processing: How do I identify whether a signal is one of the common periodic waveforms (square, sine, sawtooth, …)? 1Signal Processing: Is there an FFT that uses a logarithmic division of frequency? 1Signal Processing: Is there an FFT-based 2D convolution and correlation in Python? 0Signal Processing: Which time-frequency coefficients does the wavelet transform compute?