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_RESIZE_WITH_BBOX_OP_H 18 #define MINDSPORE_CCSRC_MINDDATA_DATASET_KERNELS_IMAGE_RANDOM_RESIZE_WITH_BBOX_OP_H 19 20 #include <memory> 21 #include <random> 22 #include <string> 23 24 #include "minddata/dataset/core/tensor.h" 25 #include "minddata/dataset/kernels/image/resize_op.h" 26 #include "minddata/dataset/kernels/image/resize_with_bbox_op.h" 27 #include "minddata/dataset/kernels/tensor_op.h" 28 #include "minddata/dataset/util/random.h" 29 #include "minddata/dataset/util/status.h" 30 31 namespace mindspore { 32 namespace dataset { 33 class RandomResizeWithBBoxOp : public ResizeWithBBoxOp { 34 public: 35 // Default values, also used by python_bindings.cc 36 static const int32_t kDefTargetWidth; ResizeWithBBoxOp(size_1,size_2)37 explicit RandomResizeWithBBoxOp(int32_t size_1, int32_t size_2 = kDefTargetWidth) : ResizeWithBBoxOp(size_1, size_2) { 38 random_generator_.seed(GetSeed()); 39 is_deterministic_ = false; 40 } 41 42 ~RandomResizeWithBBoxOp() override = default; 43 44 // Description: A function that prints info about the node Print(std::ostream & out)45 void Print(std::ostream &out) const override { 46 out << Name() << ": " << ResizeWithBBoxOp::size1_ << " " << ResizeWithBBoxOp::size2_; 47 } 48 49 Status Compute(const TensorRow &input, TensorRow *output) override; 50 Name()51 std::string Name() const override { return kRandomResizeWithBBoxOp; } 52 53 private: 54 std::mt19937 random_generator_; 55 std::uniform_int_distribution<int> distribution_{0, 3}; 56 }; 57 } // namespace dataset 58 } // namespace mindspore 59 60 #endif // MINDSPORE_CCSRC_MINDDATA_DATASET_KERNELS_IMAGE_RANDOM_RESIZE_WITH_BBOX_OP_H 61