can simulink use OCR to detect a 'Letter T' from a live video stream obtained from a camera on a UAV using PixHawk ? Or OPENCV is more preferred ?
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Mahed Javed on 20 Oct 2015
Commented: Mahed Javed on 22 Oct 2015
Hi, as part of my final year project I am assigned to design an Autonomous Vehicle that has to fly at specific way points and drop payload on a red box with a letter T inside it (for more info see Page 27 of http://www.imeche.org/docs/default-source/agenda-documents/uas-challenge---competition-rules---issue-5-1.pdf?sfvrsn=2)
My team has decided on a hexcoptor using PixHawk as avionics. I already have downloaded the PixHawk support for SIMULINK. But I am confused as for the image recognition bit. I know that SIMULINK has live video streaming in computer vision toolbox but can I use OCR on this letter T or Do I have to use OPENCV instead.
Dima Lisin on 21 Oct 2015
Doing OCR for this seems like an overkill. Try detecting the marker using combination of color and local features, like SURF or MSER. See the Color Threshold App for color-based segmentation, and the Object Detection in a Cluttered Scene Using Point Feature Matching example for local feature matching.
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