processors.py 1.0 KB

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  1. # Copyright (c) 2024 PaddlePaddle Authors. All Rights Reserved.
  2. #
  3. # Licensed under the Apache License, Version 2.0 (the "License");
  4. # you may not use this file except in compliance with the License.
  5. # You may obtain a copy of the License at
  6. #
  7. # http://www.apache.org/licenses/LICENSE-2.0
  8. #
  9. # Unless required by applicable law or agreed to in writing, software
  10. # distributed under the License is distributed on an "AS IS" BASIS,
  11. # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  12. # See the License for the specific language governing permissions and
  13. # limitations under the License.
  14. import numpy as np
  15. from ...utils.benchmark import benchmark
  16. @benchmark.timeit
  17. class NormalizeFeatures:
  18. """Normalize Features Transform"""
  19. def _normalize(self, preds):
  20. """normalize"""
  21. feas_norm = np.sqrt(np.sum(np.square(preds), axis=1, keepdims=True))
  22. features = np.divide(preds, feas_norm)
  23. return features
  24. def __call__(self, preds):
  25. return self._normalize(preds[0])