def augment_PCA_shift(data, U, s, sigma=0.2):
for sample in range(data.shape[0]):
data[sample] = illumination_jitter(data[sample], U, s, sigma)
data[sample] -= data[sample].min()
data[sample] /= data[sample].max()
return data
def augment_PCA_shift(data, U, s, sigma=0.2):
for sample in range(data.shape[0]):
data[sample] = illumination_jitter(data[sample], U, s, sigma)
data[sample] -= data[sample].min()
data[sample] /= data[sample].max()
return data