How to apply sliding window for car detection in HOG+SVM ??

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Manu BN le 4 Août 2015

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https://fr.mathworks.com/matlabcentral/answers/232281-how-to-apply-sliding-window-for-car-detection-in-hog-svm

Modifié(e) : Manu BN le 4 Août 2015

Dear All, I have trained the SVM classifier with HOG features of positive (car) and negative (non car) samples. Now in the detection part, I have tried to use blockproc for sliding windows. The code is pasted below:

fun = @(block_struct) hog_feature_vector(block_struct.data); out = blockproc(double(Img),[64 64],fun);

Out contains a feature vector of size 4x7056 for the test image of size 256*256. Now how to detect only those regions which contain a car? Please give me some ideas.

Thanks in advance.