Our demo system

Using SIFT feature:
http://cml18.csie.ntu.edu.tw/~wfuny/food/query_food_sift.php

Using SIFT on H feature:
http://cml18.csie.ntu.edu.tw/~wfuny/food/query_food_sifth.php

local feature: surf

SURF: Speeded Up Robust Features

http://www.vision.ee.ethz.ch/~surf/download.html
http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.85.2512&rep=rep1&type=pdf

Approximate Nearest Neighbor Searching

Approximate Nearest Neighbor Searching
http://www.cs.umd.edu/~mount/ANN/

hash index

Jun Wang, Sanjiv Kumar, Shih-Fu Chang. Semi-Supervised Hashing for Scalable Image Retrieval. In IEEE Computer Society Conference on Computer Vision and Pattern Recognition (CVPR), San Francisco, USA, June 2010

http://www.ee.columbia.edu/ln/dvmm/publications/10/SSH_CVPR2010.pdf

Semi-Supervised Hashing for Scalable Image Retrieval.

http://www.sanjivk.com/SSH_CVPR10.pdf

[feature] lbp fourier

一個rotation invariant feature
http://www.ee.oulu.fi/mvg/page/lbp_matlab

lbp中文簡介
http://blog.finalevil.com/2008/12/local-binary-patternlbp-histogram.html