Star Student Project  shows
the gain of time saving. The search accuracy is measured by mAP, Star
Student Project  and the lossy distribution is measured Star
Student Project  by the vocabulary size, as shown in the
subfigures of Star Student Project  In both Oxford Buildings
and Million Landmarks, we have achieved comparable mAP with less than
Star Student Project  visual words. As shown in the right
subfigures of Star Student Project  by incorporating query log
learning and lossy distribution Star Student Project  learning,
the overall search speed is further improved with Star Student
Project  limited mAP distortion but a relatively small Star
Student Project  vocabulary.