
Matlab scripts used to create databases of office and street scenes
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1) computeSIFT.m
- Computes and stores SIFT descriptors for training images
- Uses three regions of interest: Harris-Affine, MSER, linked Canny edges

2) dictionaryKmeans.m
- Loads precomputed SIFT descriptors for training images
- Builds dictionary of visual words using kmeans.m (statistics toolbox)

3) encodeWords.m
- Maps precomputed SIFT descriptors to visual words using dictionary

