add pt2tf tool

2020-09-23 09:09:49 +08:00
parent 7f7b7df65d
commit 18aefa4dd0
407 changed files with 16211 additions and 0 deletions
@@ -0,0 +1,26 @@
+import tensorflow as tf
+
+from onnx_tf.handlers.backend_handler import BackendHandler
+from onnx_tf.handlers.handler import onnx_op
+
+
+@onnx_op("HardSigmoid")
+class HardSigmoid(BackendHandler):
+
+  @classmethod
+  def _common(cls, node, **kwargs):
+    x = kwargs["tensor_dict"][node.inputs[0]]
+    if "alpha" not in node.attrs and "beta" not in node.attrs:
+      return [tf.keras.backend.hard_sigmoid(x)]
+
+    alpha = node.attrs.get("alpha", 0.2)
+    beta = node.attrs.get("beta", 0.5)
+    return [tf.clip_by_value(x * alpha + beta, 0, 1)]
+
+  @classmethod
+  def version_1(cls, node, **kwargs):
+    return cls._common(node, **kwargs)
+
+  @classmethod
+  def version_6(cls, node, **kwargs):
+    return cls._common(node, **kwargs)