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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. | |
| class ClsMetric(object): | |
| def __init__(self, main_indicator='acc', **kwargs): | |
| self.main_indicator = main_indicator | |
| self.eps = 1e-5 | |
| self.reset() | |
| def __call__(self, pred_label, *args, **kwargs): | |
| preds, labels = pred_label | |
| correct_num = 0 | |
| all_num = 0 | |
| for (pred, pred_conf), (target, _) in zip(preds, labels): | |
| if pred == target: | |
| correct_num += 1 | |
| all_num += 1 | |
| self.correct_num += correct_num | |
| self.all_num += all_num | |
| return {'acc': correct_num / (all_num + self.eps), } | |
| def get_metric(self): | |
| """ | |
| return metrics { | |
| 'acc': 0 | |
| } | |
| """ | |
| acc = self.correct_num / (self.all_num + self.eps) | |
| self.reset() | |
| return {'acc': acc} | |
| def reset(self): | |
| self.correct_num = 0 | |
| self.all_num = 0 | |