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  1. #1
    Join Date
    Jun 2014
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    Qt products
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    Unix/X11

    Question How to get specific point and draw Rectangle on QImage?

    Hi all ,

    I am currently working on robot vision system,

    I would like to track something using Rasp-pi with Webcam.

    After i process my image, i would like to box the part i needed ask the pic shown,

    How can i do to achieve this? snapshot5.png

    Would like to rectangle the biggest part.

    I did use opencv libs to find contours and get cvpoint, but i cant get exactly what i want.

    please advise

    Thanks in advance
    Last edited by YDYD; 16th July 2014 at 05:00.

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