oepncv android 使用笔记

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目录

cmakelist配置：

读取图片例子

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需要下载：

OpenCV-android-sdk

cmakelist配置：

set(OpenCV_DIR D:/GZ/soft/rknn-toolkit2/rknn-toolkit2-master/rknpu2/examples/3rdparty/opencv/OpenCV-android-sdk/sdk/native/jni/abi-${CMAKE_ANDROID_ARCH_ABI})
find_package(OpenCV REQUIRED)
target_link_libraries( # Specifies the target library.rknn4j${OpenCV_LIBS}

so文件不用自行添加引用了。

adb push frame.jpg /data/RK3588/

读取图片例子

#include "opencv2/core.hpp"
#include "opencv2/imgcodecs.hpp"
#include "opencv2/imgproc.hpp"char *input_path="/data/RK3588/frame.jpg";cv::Mat orig_img = imread(input_path, cv::IMREAD_COLOR);// if origin model is from Caffe, you maybe not need do BGR2RGB.cv::Mat orig_img_rgb;cv::cvtColor(orig_img, orig_img_rgb, cv::COLOR_BGR2RGBA);cv::Mat cv_img = orig_img_rgb.clone();if (orig_img.cols != model_width || orig_img.rows != model_height) {printf("resize %d %d to %d %d\n", orig_img.cols, orig_img.rows, model_width, model_height);cv::resize(orig_img_rgb, cv_img, cv::Size(model_width, model_height), 0, 0, cv::INTER_LINEAR);}

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