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def make_weights_for_balanced_classes(images, nclasses): | |
count = [0] * nclasses | |
for item in images: | |
count[item[1]] += 1 | |
weight_per_class = [0.] * nclasses | |
N = float(sum(count)) | |
for i in range(nclasses): | |
weight_per_class[i] = N/float(count[i]) | |
weight = [0] * len(images) | |
for idx, val in enumerate(images): |