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Fixed bug in shapes for tfltie postprocess #1312

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Merged
merged 2 commits into from
Feb 2, 2021
Merged

Fixed bug in shapes for tfltie postprocess #1312

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1a2d322
Fixed bug in shapes for tfltie postprocess
TomWildenhain-Microsoft Feb 2, 2021
ea6bb46
Merge branch 'master' into tom/FixTflitePostprocessShape
TomWildenhain-Microsoft Feb 2, 2021
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5 changes: 5 additions & 0 deletions tf2onnx/tflite_utils.py
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Original file line number Diff line number Diff line change
Expand Up @@ -294,6 +294,11 @@ def get_prequant(tensor_name):
if wants_dequantized_input:
input_names = [get_dequant(inp) for inp in input_names]
output_names = [tensor_names[op.Outputs(i)] for i in range(op.OutputsLength()) if op.Outputs(i) != -1]
if optype == "TFLite_Detection_PostProcess":
# There's a bug in tflite for the output shapes of this op
for out, shape in zip(output_names, [[-1, -1, 4], [-1, -1], [-1, -1], [-1]]):
if len(output_shapes[out]) != len(shape):
output_shapes[out] = shape
if has_prequantized_output:
output_names = [get_prequant(out) for out in output_names]
onnx_node = helper.make_node("TFL_" + optype, input_names, output_names, name=output_names[0], **attr)
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