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_POSTERIZE_OP_H_ 18 #define MINDSPORE_CCSRC_MINDDATA_DATASET_KERNELS_IMAGE_RANDOM_POSTERIZE_OP_H_ 19 20 #include <memory> 21 #include <string> 22 #include <vector> 23 24 #include "minddata/dataset/kernels/image/posterize_op.h" 25 26 namespace mindspore { 27 namespace dataset { 28 class RandomPosterizeOp : public PosterizeOp { 29 public: 30 /// Default values 31 static const std::vector<uint8_t> kBitRange; 32 33 /// \brief Constructor 34 /// \param[in] bit_range: Minimum and maximum bits in range 35 explicit RandomPosterizeOp(const std::vector<uint8_t> &bit_range = kBitRange); 36 37 ~RandomPosterizeOp() override = default; 38 Name()39 std::string Name() const override { return kRandomPosterizeOp; } 40 41 Status Compute(const std::shared_ptr<Tensor> &input, std::shared_ptr<Tensor> *output) override; 42 43 /// Member variables 44 private: 45 std::string kRandomPosterizeOp = "RandomPosterizeOp"; 46 std::vector<uint8_t> bit_range_; 47 std::mt19937 rnd_; 48 }; 49 } // namespace dataset 50 } // namespace mindspore 51 52 #endif // MINDSPORE_CCSRC_MINDDATA_DATASET_KERNELS_IMAGE_RANDOM_POSTERIZE_OP_H_ 53