Opencv versions and face recognition in android
I am getting confused with opencv versions for android and for other platforms, and the facerecognition methods availability. - As of August 2016, latest opencv available is 2.4.13. But for android,...
View ArticleHow to develop using open CV in Android
Hello, I've installed open CV on Eclipse to develop android apps, but I don't know how to getting started with. I searched on Google to find some tutorials but I didn't found anything. What I want to...
View ArticleGet descriptor values in Android
I'm working on an app that uses ORB in order to detect some buildings. The values of the descriptor returned by the following code written in C++ are stored in a MySql database(my DB communicates with...
View ArticleEye detection and recognition
Hi, I am newbie to Open CV. I am in a situation where I have to decide whether I have to buy IRIS device for eye detection and recognition or I should do RnD to build application using Open CV which...
View ArticleOpenCV installation in Android isn't working
Hi, I want to develop an App for Android 4.0.1 in OpenCV (it is going to be used on Epson Moverio BT2000).There are happening some errors I can not solve. I'm using OpenCV version 3.0.0 and I've...
View ArticleAndroid OpenCV 3.1 seamlessclone
I'm trying to execue the following lines in native OpenCV for Android (C++). And everything compiles. warpedSub.convertTo(warpedSub, CV_8UC3); img2sub.convertTo(img2sub, CV_8UC3);...
View ArticleSaving OpenCV images in Android
I have the Image with DrawMatches() between two Images (one from the database and the other from the user captured Image in his mobile). I need to store this Image automatically in my gallery without...
View ArticleIssue with Camera Orientation
Hi, I'm new on OpenCV and I want to change the camera orientation from landscape to portrait. I found some solutions that involve pixel manipulation in onCameraFrame method (rotate and flip the mat),...
View ArticleUpdating openCV for android
I am developing an android app that uses openCV 2.4.11 and I would like to change the openCV library to 3.0+ version. So that it works on 64bits devices, but i have no idea how to do this? i'm using...
View ArticleHow to fix libpng vulnerability for Play Store
Hi, I'm using OpenCV threw another library (scanlibrary) in an android app. For few weeks Play Store tell me that my APKs are not secure. I searched over the Internet for an answer that works with my...
View ArticleAutofocus camera android is not working
Hi everybody, my problem is the focus with the android camera. You can check my output:  The focus is wrong with near objects, some idea how I can...
View ArticleAndroid Studio, binarization and morphology. with OpenCV
Hello, I'm new to the forum, I program under **android studio**, but I'm new in **OpenCV**, and I need to create an application that apply some filters to an image, especially the **binarization and...
View Articlecreate an overlayer in an image
I would like create an overlayer in an video like this image: https://karanbalkar.com/wp-content/uploads/2013/12/barcode_scanner.png how can I create that?
View Articlein android studio is the same code of pure java?
i need make a little app in android studio that make a image in binary, but only find code in java pure, i can use this?
View ArticleDraw circles on opencv camera preview
Hi, i am trying to draw circles on a CameraBridgeViewBase - opencv camera on android, But i need to do it on a point that i am not in onCameraFrame any more - i am doin tracing , and i need to check...
View Articlexamarin and opencv
Can i include opencv library into a native application using xamarin or anything else ? i just wanna create a native app that uses opencv. Thanks in advance.
View Articlehow to include libjpeg in OpenCV 3.1 Android
with openCV 2.4.X I had no problem using turbo-libjpeg I've used the library as shared library: Android.mk includes- LOCAL_C_INCLUDES += ../../libjpeg-turbo and include $(BUILD_SHARED_LIBRARY) when I...
View Articlehow to run puzzle-app from fresh pull from github
In AndroidStudio I pulled everything from github aok. Q: How do I run the puzzle app? I hit DEBUG and got this error: Error:java: /production/15-puzzle: does not exist I don't even know what...
View ArticleNew method for faster camera process for ios and android
As per the link https://github.com/opencv/opencv/wiki/ChangeLog i found that "more efficient camera support on Android 5+ faster round() on ARM (it’s also applicable to iOS); big thanks to Manuele...
View ArticlePaste a Mat onto another Mat
Hi, I am creating an augmented reality app in android using opencv, In "onCameraFrame" before returning the Mat (which is the preview frame) i want to paste on it another smaller Mat, i am doing it...
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