OpenCV4.5,摄像头调用的是JetPack CameraX,利用NDK方式实现的实时画面处理。
2020-12-30 加入OpenCV4后才有的的二维码检测和识别功能,点击左下角的图标按钮可以进行功能切换。
2020-12-21 在DNN的基础上加入换脸贴图的小测试。
2020-12-16 加入了DNN人脸检测功能,摄像头界面加上点击切换模式功能,可以在灰度图和人脸检测中来回切换。
2020-12-03 实现了图片实时显示灰度图
OpenCV4.5,摄像头调用的是JetPack CameraX,利用NDK方式实现的实时画面处理,
License: Apache License 2.0
grayShow方法中,把灰度处理注释掉,直接返回src,也就是说不进行处理,为什么显示的画面不是原图像?而是变成灰色的了?
//根据传入的Byte生成Mat
Mat src = byteArrayToMat(env, bytes, width, height);
//灰度图
//Mat gray;
//cvtColor(src, gray, COLOR_BGRA2GRAY);
//Mat resultMat;
//cvtColor(gray, resultMat, COLOR_GRAY2BGRA);
//转换生成图片的intArray
jintArray result = matToIntArray(env, src);
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