Create pp_lcnet_variant.py

ppcls/arch/backbone/variant_models/pp_lcnet_variant.py

+import paddle
+from paddle.nn import Sigmoid
+from paddle.nn import Tanh
+from ppcls.arch.backbone.legendary_models.pp_lcnet import PPLCNet_x2_5
+
+__all__ = ["PPLCNet_x2_5_Tanh"]
+
+
+class TanhSuffix(paddle.nn.Layer):
+    def __init__(self, origin_layer):
+        super(SigmoidSuffix, self).__init__()
+        self.origin_layer = origin_layer
+        self.tanh = Tanh()
+
+    def forward(self, input, res_dict=None, **kwargs):
+        x = self.origin_layer(input)
+        x = self.tanh(x)
+        return x
+
+
+def PPLCNet_x2_5_Tanh(pretrained=False, use_ssld=False, **kwargs):
+    def replace_function(origin_layer):
+        new_layer = TanhSuffix(origin_layer)
+        return new_layer
+
+    match_re = "linear_0"
+    model = PPLCNet_x2_5(pretrained=pretrained, use_ssld=use_ssld, **kwargs)
+    model.replace_sub(match_re, replace_function, True)
+    return model