opencv-mobile

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``` cv::Mat grayImage(height, width, CV_8UC1, cv::Scalar(128)); cv::imwrite("output_gray.bmp",grayImage); ``` Actually, image file `output_gray.bmp` is a 3channel image file. Is my usage correct?

yuzu-ogura

Hi All, I am trying to recompile opencv-mobile by adding some missing modules. The module I need is `calib3d` so I added changed the following lines in `options.txt`: ``` -DBUILD_opencv_calib3d=ON...

sebinho

android版本调用imread时链接时报错

2

ibopencv_video.a /work/mnn/opencv-mobile-4.10.0-android/sdk/native/staticlibs/arm64-v8a/libopencv_core.a -fopenmp -static-openmp -ldl -lm -llog -latomic -lm ld.lld: error: undefined symbol: cv::display_fb::open() >>> referenced by highgui.cpp >>> highgui.cpp.o:(cv::imshow(std::__ndk1::basic_string const&, cv::_InputArray const&)) in archive /home/liujt/work/mnn/opencv-mobile-4.10.0-android/sdk/native/staticlibs/arm64-v8a/libopencv_highgui.a ld.lld: error: undefined symbol:...

chinesesoft8

I tried building opencv-mobile along with a custom package but encountered some errors that I couldn't resolve: `opencv-mobile-4.10.0/modules/core/src/precomp.hpp:358:10: error: no type named 'OpenCLExecutionContext' in namespace 'cv::ogl' ocl::OpenCLExecutionContext oclExecutionContext; ~~~~~^ 2...

laverne01

Hi, can we create a .aar for android? for convenience

mozay

```cpp cv::VideoCapture cap; cap.set(cv::CAP_PROP_FRAME_WIDTH, 720); cap.set(cv::CAP_PROP_FRAME_HEIGHT, 720); cap.open(0); cv::VideoWriter writer; writer.open(":12345", cv::VideoWriter::fourcc('M', 'J', 'P', 'G')); cv::Mat bgr; while (1) { cap >> bgr; writer

nihui

Update opencv-4.10.0-no-gpu.patch

2

Remove some of the remaining UMats from flann 删除feature2d中flann部分残余的UMat 函数 void FlannBasedMatcher::add( InputArrayOfArrays _descriptors ) 中 顺带一提，这样给patch提交patch的方法似乎难以管理，是否考虑把仓库改成patch后的opencv

futz12

VPSS 硬件加速测试 Failed on LicheeNano Board

1

这里是输出结果， ------------Combo DEV ATTR-------------- Devno WorkMode DataType WDRMode LinkId PN Swap SyncMode DataEndian SyncCodeEndian 0 MIPI RAW10 NONE 2, 1, 0,-1,-1 0, 0, 0, 0, 0 N/A N/A N/A LinkID...

szpapas2020

This build should support Xcode 15.3: https://github.com/jflan-dd/opencv-mobile/releases/tag/v2

camzhoudd