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False positive in object detection

asked 2013-04-18 02:32:49 -0500

Sylvain gravatar image

Hi !

I've follow the tutorial "object detection in a scene" and that's work pretty well. But I still have a question.

In my little app, i want to know which object (in a list) is in the scene. When the object is really in the scene, there is no problem (that's a really good point). But the algorithm is always finding a match, even if the object is not in the scene. Most of the time, when the result is wrong, the 4 points don't form a square, it's a line, a big point or something like an hourglass.

Is there a function who can detect / evaluate the probability of a false positive, or i have to do some math by myself ? :)

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Please link to the tutorial you used, thx.

Guanta gravatar imageGuanta ( 2013-04-19 09:51:19 -0500 )edit
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answered 2013-04-22 06:09:51 -0500

Guanta gravatar image

updated 2013-04-22 06:13:21 -0500

You can prune your results, in multiple ways, some of them are:

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Thank you very much for all those idea! I'll try all of them and see which one is the best in my case !

Sylvain gravatar imageSylvain ( 2013-04-23 07:50:27 -0500 )edit
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Asked: 2013-04-18 02:32:49 -0500

Seen: 5,117 times

Last updated: Apr 22 '13