On older devices i found it to be working not as smooth as i expected.
Opencv android draw text over mat.
This example can be the basic for many other projects using android text detection.
Text string to be drawn.
This chapter teaches you how toad borders to an image.
This tutorial will partly depend on it since i will not explain the steps involved in setting up opencv in android project again.
My last tutorial was on how to install and use opencv library in android project.
You can easily do it by following life2coding s tutorial on youtube.
First you need to setup your python environment with opencv.
In this tutorial i will show you how to draw different style text on images using opencv library and python coding.
If you re a confident android developer but you need some information on opencv please have a look at the documentation and use the user support resources if needed.
Linking opencv 3 with python 3.
Cv2 puttext image text org font fontscale color thickness linetype bottomleftorigin parameters.
And do not forget to look into tutorials they will help you to quickly understand what you can easily accomplish with opencv.
Following is the syntax of this method.
Forum and issue tracker.
Draw text with background opencv.
You can add various borders to an image in using the method copymakeborder of the class named core which belongs to the package org opencv core.
Copymakeborder src dst top bottom left right bordertype.
It is the coordinates of the.
Opencv python is a library of python bindings designed to solve computer vision problems cv2 puttext method is used to draw a text string on any image.
The following examples show how to use org opencv imgproc imgproc rectangle these examples are extracted from open source projects.
It is the image on which text is to be drawn.
Opencv 3 0 brings us a new dedicated algorithm class specific extremal regions used for text detection.