opencv :android application (unfortunately application has stopped )
I'm trying to run opencv android application from android studio to my phone (samsung s6) The build is successful in android studio , but when I run the app on my device this message is displayed (...
View Articleconvert a Mat type to be a type of frame Mat
Hi, I am working on an augmented reality app in android, In "onCameraFrame" i am trying to overlay a small Mat which is an image that was converted from bitmap, onto frame Mat that will be returned to...
View Articlehow to use submat for a non square image
Hi, I am working on an augmented reality app in android, I am trying to overlay an image that is a shape of a star, its not a full squar onto the camera frame, dst.copyTo(submat); but i get a black...
View ArticleSet good aspect ratio for CvCameraViewListener2 camera frames in android
Hi, I have a problem displaying the frames from CvCameraViewListener2 camera in android, Something happens to the ratio of the frames and i can not set it to be normal and correct resolution. Does any...
View Articleopencv manager was not initialized correctly , unfortunately app has stopped...
HI I'm trying to run opencv app on my S6 device. I have installed opencv manager from play store but when I run the app this message is displayed ( opencv manager wasn't initialized correctly ) or (...
View ArticleHow to detect edge from image in imageview?
Sir I am new in android and I want to detect edges from image . I have an imageview and a button on a button Click Listener I have to detect edges in the imgaeview please help me and send me an example.
View Articleimport opencv project into android studio
Hi I'm trying to import opecv_android test project into android studio. the opencv used for this project is opencv_android sdk 2.4.10. What is the required setting for opencv and android studio is...
View ArticleIncrease org.opencv.android.JavaCameraView fps
Hi, I am working on an android app using opencv and java camera (org.opencv.android.JavaCameraView ), I had a problem with the frame resolution so i changed something in opencv source code and it...
View ArticleHow to implement Gabor Filter on image captured bye Camera in Android?
I want to detect the dent from the surface of car . I have searched the solution that it can be done with Gabor Filter. Please tell me the solution how to use the Gabor Filter with imageview in...
View ArticleDropout red color and binarize image (Android)
Hey, im new to OpenCV and i'd like to use it in my Android Application. In the app i have to process some images of transactions like this: [Example...
View ArticleImage view disappears during tracking
Hi, I am working on an augmented reality app in android, I have an imageView overlayed on opencv camera and i am moving it according to the average movement of the phone. The problem is, that when its...
View ArticleError building Opencv 2.4.13 for Android with CMAKE
Dear community, last week I tried to build OpenCV 2.4.13 for Android on a Windows 10 x64 machine and encountered a rather puzzling error. As basis for the build process I used the following articles:...
View ArticleSaving Mat Image in Android Gallery
I want to save the Mat Images in android gallery automatically. When I run my code in an Emulator the resultant Mat Image is not saving in Gallery. The code for saving Images is below String Folder =...
View ArticleOpenCV was not initialised correctly. Application will be shut down
I switched cell , had a motorola xt1225 and got a samsung galaxy note 5 . In my galaxy note 5 my application opencv simply not open more , the message as title. And in other devices, including the one...
View ArticleLoading OpenCV on android fails
hello, i am working on android app using open cv library, here is main service code : [Main_service_code.java](http://paste.ofcode.org/ZBqRtsAe6gdNaTtcZN2MK8#) I tried to use static link by include...
View ArticleAndroid Opencv Perspective Transformation not working as expected
I'm working with perspective transformation in opencv for android for a personal project. The thing I'd like to do is to acquire a document like CamScanner does. For this I import a picture and let the...
View ArticleUse libjpeg-turbo with OpenCV 3.1 on Android
Hi, I'm trying to replace libjpeg by libjpeg-turbo to speed up reading and writing images on Android. I've successfully used the turbo API directly to verify image IO operations were faster but I'd...
View Articlehow do I fix OpenCV importing errors?
SO no matter what I did I keep on encountering the same errors I am trying to import OpenCV into android studio 2.1.3 and i have followed all the instructions carefully and tried all available...
View ArticleOpenCV Assertion Failed Error - Perspective Transform
Before posting this question I followed the answers posted in this thread but it didn't helped me however the question is eactly the same one....
View ArticleFatal signal 11 (SIGSEGV) in Android 6.0
**What I do:** 1.I Write the face detection in opencv c++ and call from android using wrapper. 2.I used android native camera and pass image(Mat) to the detection method(detection method is shown...
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