Text Detection and recognition in Android using OpenCV MSER algorithm

For Real Time text detection in Android, we will be using OpenCV, and to recognize the text in from the detected text region, we will use Tesseract text detection engine for Android. This part deals with the text detection using OpenCV for Android part. In the next part we will recognize the detected text using …

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Set focus modes in OpenCV using JavaCameraView for Android

Setting focus mode in Android using JavaCameraView class of OpenCV for Android is pretty easy. You just need to create a class that extends from JavaCameraView, get the camera parameters and set the focus mode in the camera parameter and set those parameters in mCamera variable. OpenCV for Android How to set Autofocus and other …

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Android copy files from assets to datafile in Internal Storage.

Copying files from assets folder to internal storage in Android is not a difficult task. It consists of three parts: Assets folder directory structure How to copy files from assets to Internal Storage Android –  First make sure the assets folder is in the correct location. The correct location of Assets folder in Android is …

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How to get the SHA1 fingerprint certificate for release and debug in Android Studio?

There are two types of fingerprint certificates in Android, one is Debug and the other is Release. You need to sign your app in Debug mode just for testing purposes. Do not publish apps that are singed in debug mode. You need to sign your app with Release certificate before publishing. Here’s how to get …

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How to change/rename company domain and package name in Android Studio

Usually package name in Android Studio resembles something like this – com.vishal.someapp.There are different ways to rename package name for your app in Android Studio. It depends on which part of the package name you want to rename. If you just want to rename the last part, (i.e someapp in the example above), it is …

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OpenCV for Android Camera Orientation | Show fullscreen camera preview

OpenCV for Android is an awesome library that allows you to do a lot of cool stuff with your images. OpenCV for Android A common problem that many users of OpenCV4Android face is that JavaCameraView or the CameraBridgeViewBase doesn’t show full screen camera preview. It is a frustating issue for many newbie developers that are …

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