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Computer Vision for Java Developers

A link to a JavaZone presentation given by Johannes Brodwall on Computer Vision, where he shows how to use OpenCV image processing.

· Java Zone

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At JavaZone this year, I gave the talk “Computer Vision for mobile Java developers”. Here, I live code finding conference badges in a picture. The coding is iterative and interactive and I use it to illustrate Haar cascades, Canny edge detection, Otsu thresholding, contour detection; and erosion, dilation, and contour analysis.

In my experience, developing a good algorithm with OpenCV is about setting up yourself for feedback. I read an example image, add one and one processing step to it and display the results as I work. This both works well as a development technique and is a good framework to explain what’s going on.

If you’re looking for an entertaining and practical explanation of OpenCV image processing, this talk covers a lot of ground.


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Topics:
java ,opencv ,javazone

Published at DZone with permission of Johannes Brodwall, DZone MVB. See the original article here.

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