add pt2tf tool

pt2tf/onnx-tensorflow/onnx_tf/handlers/backend/image_scaler.py

@@ -0,0 +1,19 @@
+import tensorflow as tf
+
+from onnx_tf.handlers.backend_handler import BackendHandler
+from onnx_tf.handlers.handler import onnx_op
+
+
+@onnx_op("ImageScaler")
+class ImageScaler(BackendHandler):
+
+  @classmethod
+  def version_1(cls, node, **kwargs):
+    input_dict = kwargs["tensor_dict"]
+    x = input_dict[node.inputs[0]]
+    scale = node.attrs.get("scale", 1.0)
+    output = tf.multiply(x, scale)
+    if "bias" in node.attrs:
+      bias = node.attrs["bias"]
+      output = tf.nn.bias_add(output, bias, data_format="NCHW")
+    return [output]