CODEWITHSUNDEEP
matlabcomputer-visionsurfmatlab-cvst
Keshavarzi.Amin
Keshavarzi.Amin

Reputation: 45

how to automatically detect SURF feature of ROI of image(frame) in MATLAB?

I want to compare frames of video that detect obstacle in path.for this work, I use DetectSURFFeature which detect feature of each frame but I must to extract feature of Region of interest (ROI) of image for obstacle detection. I am using MATLAB 2013a. this code exists in MATLAB 2014b. size of frame is 1200 x 900 and ROI is x=200 y=400 Width=200 Length=300

question:

how to automatically detect SURF feature of ROI of image(frame) in MATLAB?

Upvotes: 1

Views: 843

Answers (2)

Dima
Dima

Reputation: 39389

The detectSURFFeatures function now takes an optional ROI input.

Upvotes: 0

Vishu
Vishu

Reputation: 146

Simply crop the image and then use the SURF detector over the cropped image. :-)

In case you need help with cropping,

I_cropped=I_original(200:400,400:700,:);

Now, use the SURF detector on I_cropped.

Upvotes: 1

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