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https://github.com/PaddlePaddle/PaddleOCR.git
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43 lines
1.4 KiB
C++
43 lines
1.4 KiB
C++
// Copyright (c) 2020 PaddlePaddle Authors. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "cls_process.h" //NOLINT
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#include <algorithm>
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#include <memory>
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#include <string>
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const std::vector<int> rec_image_shape{3, 48, 192};
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cv::Mat ClsResizeImg(cv::Mat img) {
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int imgC, imgH, imgW;
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imgC = rec_image_shape[0];
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imgH = rec_image_shape[1];
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imgW = rec_image_shape[2];
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float ratio = static_cast<float>(img.cols) / static_cast<float>(img.rows);
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int resize_w, resize_h;
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if (ceilf(imgH * ratio) > imgW)
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resize_w = imgW;
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else
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resize_w = int(ceilf(imgH * ratio));
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cv::Mat resize_img;
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cv::resize(img, resize_img, cv::Size(resize_w, imgH), 0.f, 0.f,
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cv::INTER_LINEAR);
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if (resize_w < imgW) {
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cv::copyMakeBorder(resize_img, resize_img, 0, 0, 0, imgW - resize_w,
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cv::BORDER_CONSTANT, cv::Scalar(0, 0, 0));
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}
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return resize_img;
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} |