opencv_mv/QMainPro/QMacVisual/include/opencv2/wechat_qrcode.hpp

63 lines
2.5 KiB
C++

// This file is part of OpenCV project.
// It is subject to the license terms in the LICENSE file found in the top-level directory
// of this distribution and at http://opencv.org/license.html.
//
// Tencent is pleased to support the open source community by making WeChat QRCode available.
// Copyright (C) 2020 THL A29 Limited, a Tencent company. All rights reserved.
#ifndef __OPENCV_WECHAT_QRCODE_HPP__
#define __OPENCV_WECHAT_QRCODE_HPP__
#include "opencv2/core.hpp"
/** @defgroup wechat_qrcode WeChat QR code detector for detecting and parsing QR code.
*/
namespace cv {
namespace wechat_qrcode {
//! @addtogroup wechat_qrcode
//! @{
/**
* @brief WeChat QRCode includes two CNN-based models:
* A object detection model and a super resolution model.
* Object detection model is applied to detect QRCode with the bounding box.
* super resolution model is applied to zoom in QRCode when it is small.
*
*/
class CV_EXPORTS_W WeChatQRCode {
public:
/**
* @brief Initialize the WeChatQRCode.
* It includes two models, which are packaged with caffe format.
* Therefore, there are prototxt and caffe models (In total, four paramenters).
*
* @param detector_prototxt_path prototxt file path for the detector
* @param detector_caffe_model_path caffe model file path for the detector
* @param super_resolution_prototxt_path prototxt file path for the super resolution model
* @param super_resolution_caffe_model_path caffe file path for the super resolution model
*/
CV_WRAP WeChatQRCode(const std::string& detector_prototxt_path = "",
const std::string& detector_caffe_model_path = "",
const std::string& super_resolution_prototxt_path = "",
const std::string& super_resolution_caffe_model_path = "");
~WeChatQRCode(){};
/**
* @brief Both detects and decodes QR code.
* To simplify the usage, there is a only API: detectAndDecode
*
* @param img supports grayscale or color (BGR) image.
* @param points optional output array of vertices of the found QR code quadrangle. Will be
* empty if not found.
* @return list of decoded string.
*/
CV_WRAP std::vector<std::string> detectAndDecode(InputArray img,
OutputArrayOfArrays points = noArray());
protected:
class Impl;
Ptr<Impl> p;
};
//! @}
} // namespace wechat_qrcode
} // namespace cv
#endif // __OPENCV_WECHAT_QRCODE_HPP__