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Extend SegmentationParser. #59

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merged 2 commits into from
Sep 9, 2024
Merged

Extend SegmentationParser. #59

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ec57834
Extend input shapes options.
kkeroo Sep 5, 2024
97895eb
Small fix.
kkeroo Sep 9, 2024
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11 changes: 6 additions & 5 deletions depthai_nodes/ml/parsers/segmentation.py
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Original file line number Diff line number Diff line change
Expand Up @@ -58,21 +58,23 @@ def run(self):
output_layer_names = output.getAllLayerNames()

if len(output_layer_names) != 1:
raise ValueError(
f"Expected 1 output layer, got {len(output_layer_names)}."
print(
f"Expected 1 output layer, got {len(output_layer_names)}. Will take the first one."
)

segmentation_mask = output.getTensor(output_layer_names[0], dequantize=True)
if len(segmentation_mask.shape) == 4:
segmentation_mask = segmentation_mask[0]
else:
segmentation_mask = segmentation_mask.transpose(2, 0, 1)

if len(segmentation_mask.shape) != 3:
raise ValueError(
f"Expected 3D output tensor, got {len(segmentation_mask.shape)}D."
)

mask_shape = segmentation_mask.shape
min_dim = np.argmin(mask_shape)
if min_dim == len(mask_shape) - 1:
segmentation_mask = segmentation_mask.transpose(2, 0, 1)
if self.background_class:
segmentation_mask = np.vstack(
(
Expand All @@ -83,7 +85,6 @@ def run(self):
segmentation_mask,
)
)

class_map = (
np.argmax(segmentation_mask, axis=0)
.reshape(segmentation_mask.shape[1], segmentation_mask.shape[2], 1)
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