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deploy/cpp_infer/include/preprocess_op.h

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+// Copyright (c) 2020 PaddlePaddle Authors. All Rights Reserved.
+//
+// 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.
+
+#pragma once
+
+#include <opencv2/imgproc.hpp>
+
+namespace PaddleOCR {
+
+class Normalize {
+public:
+  virtual void Run(cv::Mat &im, const std::vector<float> &mean,
+                   const std::vector<float> &scale,
+                   const bool is_scale = true) noexcept;
+};
+
+// RGB -> CHW
+class Permute {
+public:
+  virtual void Run(const cv::Mat &im, float *data) noexcept;
+};
+
+class PermuteBatch {
+public:
+  virtual void Run(const std::vector<cv::Mat> &imgs, float *data) noexcept;
+};
+
+class ResizeImgType0 {
+public:
+  virtual void Run(const cv::Mat &img, cv::Mat &resize_img,
+                   const std::string &limit_type, int limit_side_len,
+                   float &ratio_h, float &ratio_w, bool use_tensorrt) noexcept;
+};
+
+class CrnnResizeImg {
+public:
+  virtual void Run(const cv::Mat &img, cv::Mat &resize_img, float wh_ratio,
+                   bool use_tensorrt = false,
+                   const std::vector<int> &rec_image_shape = {3, 32,
+                                                              320}) noexcept;
+};
+
+class ClsResizeImg {
+public:
+  virtual void
+  Run(const cv::Mat &img, cv::Mat &resize_img, bool use_tensorrt = false,
+      const std::vector<int> &rec_image_shape = {3, 48, 192}) noexcept;
+};
+
+class TableResizeImg {
+public:
+  virtual void Run(const cv::Mat &img, cv::Mat &resize_img,
+                   const int max_len = 488) noexcept;
+};
+
+class TablePadImg {
+public:
+  virtual void Run(const cv::Mat &img, cv::Mat &resize_img,
+                   const int max_len = 488) noexcept;
+};
+
+class Resize {
+public:
+  virtual void Run(const cv::Mat &img, cv::Mat &resize_img, const int h,
+                   const int w) noexcept;
+};
+
+} // namespace PaddleOCR