1 /** 2 * Copyright 2021 Huawei Technologies Co., Ltd 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 #ifndef MINDSPORE_CCSRC_MINDDATA_DATASET_KERNELS_IMAGE_RANDOM_EQUALIZE_OP_H_ 17 #define MINDSPORE_CCSRC_MINDDATA_DATASET_KERNELS_IMAGE_RANDOM_EQUALIZE_OP_H_ 18 19 #include <memory> 20 #include <random> 21 #include <string> 22 23 #include "minddata/dataset/core/tensor.h" 24 #include "minddata/dataset/kernels/tensor_op.h" 25 #include "minddata/dataset/util/random.h" 26 #include "minddata/dataset/util/status.h" 27 28 namespace mindspore { 29 namespace dataset { 30 class RandomEqualizeOp : public RandomTensorOp { 31 public: RandomEqualizeOp(float prob)32 explicit RandomEqualizeOp(float prob) : distribution_(prob) {} 33 34 ~RandomEqualizeOp() override = default; 35 36 // Provide stream operator for displaying it 37 friend std::ostream &operator<<(std::ostream &out, const RandomEqualizeOp &so) { 38 so.Print(out); 39 return out; 40 } 41 42 Status Compute(const std::shared_ptr<Tensor> &input, std::shared_ptr<Tensor> *output) override; 43 Name()44 std::string Name() const override { return kRandomEqualizeOp; } 45 46 private: 47 std::bernoulli_distribution distribution_; 48 }; 49 } // namespace dataset 50 } // namespace mindspore 51 #endif // MINDSPORE_CCSRC_MINDDATA_DATASET_KERNELS_IMAGE_RANDOM_EQUALIZE_OP_H_ 52