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JNI file looks like, #include #include #include #include #include Solution 1: This happens b… Read more Jni Detected Error In Application: Use Of Deleted Weak Global Reference

My goal is as follows: I have to read in a video that is stored on the sd card, process it frame fo… Read more Process Video Frame By Frame In Opencv On Android

This is the first time I use openCV library. I want to use it to detect the eyes. I have used the F… Read more Opencv For Android: Failed To Load Cascade Classifier Error

Could OpenCV detect the geometric shapes which is drawn by hand as below? The shape can be a rectan… Read more Opencv - Detect Hand-drawing Shapes

I would like to write a function in JNI like this: JNIEXPORT jobject JNICALL Java_com_datumdroid_an… Read more Pass And Return Opencv Mat Object With Jni

I'am trying to use Tensorflowsharp in a Project in Unity. The problem i'm facing is that fo… Read more How To Transform Byte[](decoded As Png Or Jpg) To Tensorflows Tensor

I want to extract the part of the image that matches my reference image. I try to transform the ima… Read more Opencv Android Extract Match Mat After Feature Detection

I'm using OpenCV 2.4.8 in Android using JNI. I opening the camera with VideoCapture and I want … Read more How To Open Cv::videowriter In Android

In tensorflow-lite android demo code for image classification, the images are first converted to B… Read more Converting Bitmap To Bytebuffer (float) In Tensorflow-lite Android

I have a problem detecting speed traffic signs with opencv 2.4 for Android. I do the following: &… Read more Opencv Speed Traffic Sign Detection

I am trying to sort the bounding boxes with y axis and then x axis but the results I find from tl()… Read more Sort Bounding Boxes With Tl() : Opencv Android

I'm currently trying to migrate a bit of legacy code from iPhone to Android. This code uses the… Read more Correct Way To Convert Between Bitmap And Mat In Opencv On Android?

In an OpenCv4Android environment, when I create a Mat image and use Core.line() to draw on the imag… Read more Opencv Core.line Draws White When Color Is Expected

I'm trying to get the Android camera2 running in the background service, then process the frame… Read more Android Camera2 Output To Imagereader Format Yuv_420_888 Still Slow

I am trying to record video in 480*480 resolution like in vine using javacv. As a starting point I … Read more Issue In Recording Video

I'm trying to run a sample from opencv for android. It's not working. java.lang.RuntimeExc… Read more Opencv For Android: Sample Project Classnotfound Exception

I've mRgba Matrix and a Rect r (something recognized in the frame) I want a sub-matrix of this … Read more Opencv Android Java Matrix Submatrix (roi Region Of Interest)

I'm working with OpenCV (in Android NDK) and I have a problem. I want to find differences betwe… Read more While Finding A Difference Between 2 Pictures Opencv Difference Is Bigger Than It Is Supposed To Be

Project is a realtime image processer same as my Project but it uses two values wich are input and … Read more How Can I Change This Project To A Opencv Realtime Face Detection App?

I'm taking a picture with the camera activity and then try to read it from the saved location. … Read more Android: Bitmapfactory.decodefile / Opencv Does Return Invaild Bitmap