OpenCV Demo

OpenCV Demo


(4 stars)


Download for Android

1,000 - 5,000 downloads

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A demo app, based partly on the samples provided with the OpenCV library (Java wrapper version, v2.4.0). Demonstrates the use of Canny edge detection, Hough lines, Hough circles, 'in-range' colour detection, separate channel view, face detection and good-features-to-track.

Larger screens (eg tablets) may be slow due to the amount of data being processed.

Read more about the app at - Source code of the key sections of the frame processing loop are on the web site.

The app was written mainly as a learning exercise and is provided with no guarantee of road worthiness or fitness for purpose. Let me know if you want to see the code.

Tags: opencv demo, opencv, houghlines, opencv circle detection, hough circle, opencv hough, houghcirclesjavaopencv, opencv code, opencv detect circle, java opencv circle detection hough.

Recently changed in this version

v1.75, v1.76 Bugfix: position of mode buttons on screen read incorrectly on screens other than 800 x 480.

v1.73 Canny, Hough Lines and Hough Circles grouped together (just touch the buttons on the right to swap views); view R, G or B channels - touch the coloured button to swap view; colour contour / ellipse / min-enclosing circle grouped together - touch yellow button to swap view.

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