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mindspore/tests/cxx_st/dataset/test_de.cc

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/**
* Copyright 2020 Huawei Technologies Co., Ltd
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <string>
#include <vector>
#include "common/common_test.h"
#include "include/api/types.h"
#include "minddata/dataset/include/minddata_eager.h"
#include "minddata/dataset/include/vision.h"
#include "minddata/dataset/kernels/tensor_op.h"
using namespace mindspore::api;
using namespace mindspore::dataset::vision;
class TestDE : public ST::Common {
public:
TestDE() {}
};
TEST_F(TestDE, ResNetPreprocess) {
std::vector<std::shared_ptr<Tensor>> images;
MindDataEager::LoadImageFromDir("/home/workspace/mindspore_dataset/imagenet/imagenet_original/val/n01440764", &images);
MindDataEager Compose({Decode(),
Resize({224, 224}),
Normalize({0.485 * 255, 0.456 * 255, 0.406 * 255}, {0.229 * 255, 0.224 * 255, 0.225 * 255}),
HWC2CHW()});
for (auto &img : images) {
img = Compose(img);
}
ASSERT_EQ(images[0]->Shape().size(), 3);
ASSERT_EQ(images[0]->Shape()[0], 3);
ASSERT_EQ(images[0]->Shape()[1], 224);
ASSERT_EQ(images[0]->Shape()[2], 224);
}