Laurawly commented on a change in pull request #4312: [TOPI][Relay][OP] Dynamic
NMS and strided_slice
URL: https://github.com/apache/incubator-tvm/pull/4312#discussion_r345514450
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File path: python/tvm/relay/frontend/tensorflow.py
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@@ -324,6 +325,53 @@ def _impl(inputs, attr, params):
return out
return _impl
+def _nms():
+ def _impl(inputs, attr, params):
+ # Get parameter values
+ max_output_size =
int(np.atleast_1d(inputs[2].data.asnumpy().astype("int64"))[0])
+ iou_threshold = np.atleast_1d(inputs[3].data.asnumpy())[0]
+ # score_threshold was introduced from V3
+ score_threshold = np.atleast_1d(inputs[4].data.asnumpy())[0] if
len(inputs) > 4 else None
+
+ scores = AttrCvt(op_name="expand_dims",
+ extras={'axis': -1, 'num_newaxis': 1})([inputs[1]],
attr)
+
+ data = get_relay_op('concatenate')([scores, inputs[0]], -1)
+ # expand to [class_id, prob, box]
+ # data = _get_relay_op('concatenate')([scores, data], -1)
+ # expand to [batch_size, num_anchors, 6] or [batch_size, num_anchors,
5]
+
+ data = get_relay_op('expand_dims')(data, 0, 1)
+
+ # Don't need to call get_valid_counts for TensorFlow and ONNX
+ # ct, data = _get_relay_op('get_valid_counts')(data,
score_threshold=score_threshold,
Review comment:
Same here.
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