mmocr/tests/test_models/test_loss.py

22 lines
669 B
Python

import numpy as np
import torch
import mmocr.models.textdet.losses as losses
from mmdet.core import BitmapMasks
def test_panloss():
panloss = losses.PANLoss()
# test bitmasks2tensor
mask = [[1, 0, 1], [1, 1, 1], [0, 0, 1]]
target = [[1, 0, 1, 0, 0], [1, 1, 1, 0, 0], [0, 0, 1, 0, 0],
[0, 0, 0, 0, 0], [0, 0, 0, 0, 0], [0, 0, 0, 0, 0]]
masks = [np.array(mask)]
bitmasks = BitmapMasks(masks, 3, 3)
target_sz = (6, 5)
results = panloss.bitmasks2tensor([bitmasks], target_sz)
assert len(results) == 1
assert torch.sum(torch.abs(results[0].float() -
torch.Tensor(target))).item() == 0