[ros-users] Detector Evaluation

[Edgar Riba]

Hi Peter,

regarding detectors evaluation, one typical way to evaluate them in 
research is using VLBenchmarks 
<http://www.vlfeat.org/benchmarks/index.html>, a MATLAB framework for 
testing image feature detectors and descriptors which some parts are 
based on the original code 
<http://www.robots.ox.ac.uk/%7Evgg/research/affine/#software> of K. 
Mikolajczyk <http://www.inrialpes.fr/lear/people/Mikolajczyk>and others 
just uses only Vlfeat. However, OpenCV has a slightly implementation in 
C++ based on that mentioned original code [1 
<http://docs.opencv.org/master/da/d9b/group__features2d.html#gaa7cacd54220a6da4ee05748a0329b754>] 
[2 
<https://github.com/Itseez/opencv/blob/master/modules/features2d/src/evaluation.cpp#L454>]. 
In my opinion, if you are using this OpenCV implementation then the code 
you want to release should go in the existent vision_opencv 
<http://wiki.ros.org/vision_opencv> which has some implemented OpenCV apps.


Edgar


On 02/03/16 09:57, Maarten de Vries via ros-users wrote:
>
> On 19 February 2016 at 22:42, Peter Lorenz via ros-users 
> <ros-users at lists.ros.org <mailto:ros-users at lists.ros.org>> wrote:
>
>
>     Hi,
>
>     I want to publish a package on the ros website.
>     It is about evaluation detectors in Computer Vision.
>
>     Usually, the detector spits out, if and where it found a desired
>     object.
>     You can read in  XML files, which have saved the ground truth and
>     says where the object really is located.
>
>     The package pops up a window where you will see the rectangle of
>     the ground truth and the rectangle of the detector. So you can
>     see, if those rectangles are overlapping, the detector is right
>     and saves the percentage in
>     file. This list will be read in a script, which shows up a ROC
>     curve of your database.
>
>
> ​ Automatic evaluation of (changes to) vision algorithms would be very 
> useful. I'm very interested to see your package.​
>
>     Please, help me to put this package on the ros webpage and I will
>     write a tutorial for it.
>
>
> ​I have no experience publishing packages ​on the ROS website. 
> However, the code is normally hosted elsewhere, like github. Would it 
> be possible for you to publish the package publicly first (for example 
> on github) and give us all the possibility to test it out? Undoubtedly 
> that's a good first step towards getting it published on the ROS 
> website too.
>
> Kind regards,
> Maarten
>
>
>
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