Top rank matching rate

Rank-r matching rate means the percentage of the p images with correct matches found in the top rank r ranks against the p gallery images.
Rank 1 matching rate is equal to the correct matching/recognition rate.

Reference:
Computer Vision, CCF Chinese Conference, CCCV 2015, Xi’an, China, September 18-20, 2015, Proceedings, Part I, page 225. Editors: Zha, H., Chen, X., Wang, L., Miao, Q. (Eds.)