Files
2020-10-14 08:55:07 +08:00

27 lines
721 B
Python

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)