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- # copyright (c) 2020 PaddlePaddle Authors. All Rights Reserve.
- #
- # Licensed under the Apache License, Version 2.0 (the "License");
- # you may not use this file except in compliance with the License.
- # You may obtain a copy of the License at
- #
- # http://www.apache.org/licenses/LICENSE-2.0
- #
- # Unless required by applicable law or agreed to in writing, software
- # distributed under the License is distributed on an "AS IS" BASIS,
- # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- # See the License for the specific language governing permissions and
- # limitations under the License.
- import paddle
- class ClsPostProcess(object):
- """ Convert between text-label and text-index """
- def __init__(self, label_list, **kwargs):
- super(ClsPostProcess, self).__init__()
- self.label_list = label_list
- def __call__(self, preds, label=None, *args, **kwargs):
- if isinstance(preds, paddle.Tensor):
- preds = preds.numpy()
- pred_idxs = preds.argmax(axis=1)
- decode_out = [(self.label_list[idx], preds[i, idx])
- for i, idx in enumerate(pred_idxs)]
- if label is None:
- return decode_out
- label = [(self.label_list[idx], 1.0) for idx in label]
- return decode_out, label
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