OpenCV 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...
View ArticleOpencv 2.4.11 android source code
I'm doing some image stitching stuff on an android application and the results have been great! However, I want to make some of my own modifications to the C++ code and compile them into an .so file...
View ArticleOpenCV Android absdiff not working
Hello, I want to create a motion detector in a OpenCV Android app. First I accumulate the background with this class: private Mat mRgba; private Mat mGray; private Mat mBackground; private Mat...
View Articlehow to build custom opencv for android (and test application using c++ client...
Hello. How can I build opencv myself on android such that I can write other native c++ application code that interacts with it? Im using Android studio 2.2 with ndk installed. Most...
View ArticleCreate libopencv_java.so from source
Hi I've downloaded openCV source code and follow http://code.opencv.org/projects/opencv/wiki/Building_OpenCV4Android_from_trunk (OpenCV build section) to build for Android. after running make -j8 I see...
View ArticleAndroid findContours returning too many contours
Hello, I'm trying to find the contours of the camera frame in a Android app. Here is the code: Imgproc.Canny(src, src, 50, 200); List contours = new ArrayList(); Mat hierarchy = new Mat(); // find...
View Articlemoney bill detection
i want to create an application that takes a picture of a bill and tells the user to which country this bill belongs to and how much is it worth . any ideas??
View ArticleBuilding for android from cygwin
I am trying to build OpenCV for android as a static library. I went through https://github.com/opencv/opencv/wiki/Building_OpenCV4Android_from_trunk and saw that it mentions cygwin's make is not...
View Articleopencv keypoint and histogram matching
I'm developing a project in android for image comparison. The images can be in any scale / rotation. I did some tests with my current project, but the results are not good. I thought to do beyond the...
View Articlesize of the same image is different when it is read differently
I am learning how to load/read images using opeCV with Android API. I have an image titled "arrow.png" in the drawable folder, and I tried to read the same image using two different ways as shown in...
View ArticleRunning Code on Android Studio From Github
I feel incredibly dumb asking this, but I've downloaded the code from https://github.com/betty1/FlagSpot I have version 2.1.3 of Android studio installed but don't know how to run codes on the...
View ArticleWhy there is not Android version in 2.4.13 release?
Hi, I wonder why OpenCV has not released Android version along with 2.4.13 release. Does any one have idea?
View ArticleHow to detect(Count) Hair inside rectangle Hair images?
I have write one code to detect hairs from head and get count. But not able to get exact result as per the image exist  ![image...
View ArticleMemory deallocation in android.
Hello. I am a newbie at OpenCV Framework. I made an android app with OpenCV. Unfortunately, My app was crashed when i used openCV. Main reason of crash was 'Out of Memory'. So i called 'System.gc()'...
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