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Fixing detection saliency map for one class case #2368

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Merged
yunchu merged 3 commits into from
Jul 17, 2023
Merged

Fixing detection saliency map for one class case #2368

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f09f1fd
fix softmax
Jul 17, 2023
8be71f8
Merge branch 'releases/1.4.0' into et/det_sal_map_norm_fix
Jul 17, 2023
9b4d8a1
fix validity tests
Jul 13, 2023
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2 changes: 1 addition & 1 deletion src/otx/algorithms/detection/adapters/mmdet/hooks/det_class_probability_map_hook.py
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Expand Up @@ -62,7 +62,7 @@ def func(

# Don't use softmax for tiles in tiling detection, if the tile doesn't contain objects,
# it would highlight one of the class maps as a background class
if self.use_cls_softmax:
if self.use_cls_softmax and self._num_cls_out_channels > 1:
cls_scores = [torch.softmax(t, dim=1) for t in cls_scores]

batch_size, _, height, width = cls_scores[-1].size()
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4 changes: 3 additions & 1 deletion tests/unit/algorithms/classification/test_xai_classification_validity.py
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Expand Up @@ -54,4 +54,6 @@ def test_saliency_map_cls(self, template):
assert len(saliency_maps) == 2
assert saliency_maps[0].ndim == 3
assert saliency_maps[0].shape == (1000, 7, 7)
assert np.all(np.abs(saliency_maps[0][0][0] - self.ref_saliency_vals_cls[template.name]) <= 1)
actual_sal_vals = saliency_maps[0][0][0].astype(np.int8)
ref_sal_vals = self.ref_saliency_vals_cls[template.name].astype(np.int8)
assert np.all(np.abs(actual_sal_vals - ref_sal_vals) <= 1)
4 changes: 3 additions & 1 deletion tests/unit/algorithms/detection/test_xai_detection_validity.py
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Expand Up @@ -80,7 +80,9 @@ def test_saliency_map_det(self, template):
assert len(saliency_maps) == 2
assert saliency_maps[0].ndim == 3
assert saliency_maps[0].shape == self.ref_saliency_shapes[template.name]
assert np.all(np.abs(saliency_maps[0][0][0] - self.ref_saliency_vals_det[template.name]) <= 1)
actual_sal_vals = saliency_maps[0][0][0].astype(np.int8)
ref_sal_vals = self.ref_saliency_vals_det[template.name].astype(np.int8)
assert np.all(np.abs(actual_sal_vals - ref_sal_vals) <= 1)

@e2e_pytest_unit
@pytest.mark.parametrize("template", templates_det, ids=templates_det_ids)
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