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



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

i want compare frames of video observe obstacle in path.for work, utilize detectsurffeature observe feature of each frame must extract feature of part of involvement (roi) of image obstacle detection. using matlab 2013a. code exists in matlab 2014b. size of frame 1200 x 900 , roi x=200 y=400 width=200 length=300

question:

how automatically observe surf feature of roi of image(frame) in matlab?

simply crop image , utilize surf detector on cropped image. :-)

in case need help cropping,

i_cropped=i_original(200:400,400:700,:);

now, utilize surf detector on i_cropped.

matlab computer-vision surf matlab-cvst

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