His general research interests are on visual computing and machine learning, especially their application in the context of human-centered computing. He actively works on computer vision & pattern recognition, multimedia, image/video processing, assistive technologies for the visually impaired, human-computer interaction, statistical methods in visual computing. He won twice SHARP Labs' President Awards, in 2001 and 2004 respectively. He also won SHARP Labs' Inventor of the Year Award in 2002. He is a recipient of the National Science Foundation's CAREER Award (2008-2009). He was named a Fulton Exemplar Faculty at ASU in 2017. He holds 18 issued US Patents. His work has been featured on NY Times, EE Times, MSNBC, Discovery News, ABC News,Gizmodo India, and many other media sources.