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Add test for affinity features #90

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Add test for affinity features #90

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16 changes: 16 additions & 0 deletions test/segmentation/test_features.py
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Original file line number Diff line number Diff line change
Expand Up @@ -244,6 +244,22 @@ def test_apply_mask_to_grid_graph_edges_and_weights(self):
self.assertEqual(len(weights), len(edges))
self.assertGreater(n_edges_prev, len(edges))

def test_affinity_features(self):
from elf.segmentation.features import compute_rag, compute_affinity_features

offsets = [[-1, 0], [0, -1], [-3, 0], [0, -3]]

shape = (256, 256)
seg = self.make_seg(shape)
rag = compute_rag(seg)

aff_shape = (len(offsets),) + shape
inp = np.random.rand(*aff_shape).astype("float32")

feats = compute_affinity_features(rag, inp, offsets)
self.assertEqual(rag.numberOfEdges, len(feats))
self.assertFalse(np.allclose(feats, 0))


if __name__ == '__main__':
unittest.main()
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