1 /** 2 * Copyright 2020 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 17 #ifndef MINDSPORE_CCSRC_MINDDATA_DATASET_KERNELS_IMAGE_RANDOM_SOLARIZE_OP_H 18 #define MINDSPORE_CCSRC_MINDDATA_DATASET_KERNELS_IMAGE_RANDOM_SOLARIZE_OP_H 19 20 #include <memory> 21 #include <string> 22 #include <vector> 23 24 #include "minddata/dataset/core/tensor.h" 25 #include "minddata/dataset/kernels/tensor_op.h" 26 #include "minddata/dataset/util/status.h" 27 #include "minddata/dataset/kernels/image/solarize_op.h" 28 #include "minddata/dataset/util/random.h" 29 30 namespace mindspore { 31 namespace dataset { 32 class RandomSolarizeOp : public SolarizeOp { 33 public: 34 // Pick a random threshold value to solarize the image with threshold_(threshold)35 explicit RandomSolarizeOp(std::vector<uint8_t> threshold = {0, 255}) : threshold_(threshold) { 36 rnd_.seed(GetSeed()); 37 is_deterministic_ = false; 38 } 39 40 ~RandomSolarizeOp() override = default; 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 kRandomSolarizeOp; } 45 46 private: 47 std::vector<uint8_t> threshold_; 48 std::mt19937 rnd_; 49 }; 50 } // namespace dataset 51 } // namespace mindspore 52 53 #endif // MINDSPORE_CCSRC_MINDDATA_DATASET_KERNELS_IMAGE_RANDOM_SOLARIZE_OP_H 54