the best detect and recognition method

asked 2012-11-29 13:03:13 -0500

salma
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Hi all, i am building my vision system to detect and recognition objects ..

firstly, i did object 3D model cloud points Using Roboearth Stack

then tried to detect it with roboearth detector package but it isn't the best because:

detect Only texture objects and i have One colored objects
red marker not located all the time
can't detect the object when turning it reversal
i tried to add 2 models to detect them in the same time but it didn't work

i will make some reasoning relations on these objects after that in Knowrob

So, i want a help to choose the best method to detection and recognition objects i am reading in bigg_detector now and searching at others ..

any help to choose the best detect and recognition method ??

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answered 2012-11-29 20:03:32 -0500

Jordi Pages
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Hi Salma,

There are several object detectors/recognizers that you could test to have an idea of the complexity of the task and figure out which one better fits your needs:

http://ecto.willowgarage.com/recognition/user.html: provides you LINE-MOD (which should detect non-textured objects), TOD and transparent objects detection
http://www.pointclouds.org/documentation/tutorials/#recognition-tutorial: PCL is indeed a powerful option to detect non-textured objects
http://www.ros.org/wiki/blort_ros: monocular model based object detector (see tutorials in http://www.ros.org/wiki/blort_ros/Tutorials)
http://personalrobotics.ri.cmu.edu/projects/moped.php
and many more out there ...

HTH

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@Jordi Pages thanks alot ,, very useful links ... i am building a system can deal with roboearth server So i nees OWL description of the model to be knowledge in Knowrob thats why i used roboearth stack ,, i don't know if I must use it to detect and recognition the object or can use any method

salma ( 2012-11-30 03:42:30 -0500 )edit

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answered 2012-11-29 19:47:13 -0500

Bill Smart
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Unfortunately, there is no "best" object detector. Each one works best on some objects, and less well on others. If all of your objects are in that set that it works well on, then that's the "best" detector. Without knowing more about your objects, and your application, it's hard to give more concrete advice.

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@Bill Smart ok thanks bill ,, i am building system can deal with Roboearth Server to share knowledge between robots .. my application is to recognition objects and make reasoning operation to find what is missing component on the table ,, so i am restricted by OWL description of models as i think

salma ( 2012-11-30 03:47:05 -0500 )edit

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