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.
Opencv android draw text over mat.
This chapter teaches you how toad borders to an image.
This example can be the basic for many other projects using android text detection.
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.
On older devices i found it to be working not as smooth as i expected.
Draw text with background opencv.
Copymakeborder src dst top bottom left right bordertype.
Opencv 3 0 brings us a new dedicated algorithm class specific extremal regions used for text detection.
And do not forget to look into tutorials they will help you to quickly understand what you can easily accomplish with opencv.
First you need to setup your python environment with opencv.
It is the coordinates of the.
My last tutorial was on how to install and use opencv library in android project.
Cv2 puttext image text org font fontscale color thickness linetype bottomleftorigin parameters.
Instantly share code notes and snippets.
It is the image on which text is to be drawn.
Forum and issue tracker.
Text string to be drawn.
You can vote up the ones you like or vote down the ones you don t like and go to the original project or source file by following the links above each example.
The following examples show how to use org opencv imgproc imgproc rectangle these examples are extracted from open source projects.
You can easily do it by following life2coding s tutorial on youtube.
Following is the syntax of this method.
You can find the full source code here.
Linking opencv 3 with python 3.