diff --git a/bob/pad/face/extractor/PPGSecure.py b/bob/pad/face/extractor/PPGSecure.py index 1865ec69967f4fed4cff73289d153f3258317d57..28b3fe0e89dd4be73dd2a4724fe01d8a607e2854 100644 --- a/bob/pad/face/extractor/PPGSecure.py +++ b/bob/pad/face/extractor/PPGSecure.py @@ -72,13 +72,13 @@ class PPGSecure(Extractor, object): # get the frequencies f = numpy.fft.fftfreq(self.nfft) * self.framerate - # we have 5x3 pulse signals, in different regions across 3 channels + # we have 5 pulse signals, in different regions ffts = numpy.zeros((5, output_dim)) for i in range(5): ffts[i] = abs(numpy.fft.rfft(signal[:, i], n=self.nfft)) fft = numpy.concatenate([ffts[0], ffts[1], ffts[2], ffts[3], ffts[4]]) - + if self.debug: from matplotlib import pyplot pyplot.plot(range(output_dim*5), fft, 'k')