Ritipong Wongkhuenkaew presented his research at FUZZ-IEEE 2013 Posted on January 21, 2015February 6, 2015 by Ritipong wongkhuenkaew His paper title “Multi-prototype Fuzzy Clustering with Fuzzy K-Nearest Neighbor for Off-line Human Action Recognition” is presented at the FUZZ-IEEE 2013 in Hyderabad, India on 7 – 10 July, 2013.