need the best algorithm for shape features extraction with complex shaoe

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primrose khaleed
primrose khaleed el 25 de Mayo de 2014
Comentada: primrose khaleed el 27 de Mayo de 2014
Hi every body ....if i have complex shape which i Interested in Details of shape..which algorithm can help me to extract the features of this image.... I found the (phog_algorithm)can this algorithm help me????pls help me
this is my image...
i want to extract the shape features of it to make it Ultimate from others cars..
the phog alograthms have this code
function [ features ] = phog( images, bins, L, mode )
features = [];
for group=1:length(images)
fprintf('Analyzing group %d...\n', group);
for image=1:length(images{group})
img = imresize(images{group}{image}, [400 400]);
f = anna_phog(img, bins, 180, L, [1 size(img,1), 1, size(img,2)]', mode);
features(image, :, group) = f;
end
end
end
plz help me

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Image Analyst
Image Analyst el 25 de Mayo de 2014
Editada: Image Analyst el 25 de Mayo de 2014
Never heard of it. Why don't you post your image and tell us what shapes you want to distinguish from each other? in the meantime, see this: http://en.wikipedia.org/wiki/Morphometrics It's always best to attach an image when asking for image processing advice.
[EDIT] I can't make out anything in that image. Just looks like a mess to me. Good luck though.

Más respuestas (6)

primrose khaleed
primrose khaleed el 25 de Mayo de 2014
if you give you this image how can you help me
primrose khaleed
primrose khaleed el 25 de Mayo de 2014
primrose khaleed
primrose khaleed el 25 de Mayo de 2014
image anlyst plz i need your help
primrose khaleed
primrose khaleed el 25 de Mayo de 2014
Editada: primrose khaleed el 26 de Mayo de 2014
i need algorithm for exatact the features of edge.what about PCA algorithm??can i used for shape features extractions???.which algorithm can help me ..?...plz answer me
  2 comentarios
Image Analyst
Image Analyst el 26 de Mayo de 2014
What features will do you any good? About all I know for the feature of an edge is the length of the edge. Do you want that?
primrose khaleed
primrose khaleed el 26 de Mayo de 2014
thanks very much...i want any features about edge or shapeWhat do you advise us.... I want to experience

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primrose khaleed
primrose khaleed el 26 de Mayo de 2014
hi image analyst...after i read about shape features i understood some thing..: to detections shape we need to detection the global and local features...but i get Thumbs in some algorithm to used..i get PCA && SIFT && hog..what the defferent between them? which image can extract the featuers when have have similarty images?? i hope my questions clear for you...plz help me
primrose khaleed
primrose khaleed el 27 de Mayo de 2014
Hi image analyst,,,why you dont answer me??plz i need ypur help
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Image Analyst
Image Analyst el 27 de Mayo de 2014
I don't recognize anything in that picture except a drive shaft and tires. And I don't have any code for segmenting out drive shafts or tires. Sorry.

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