His research interests span most aspects of picture generation and creation. This includes realistic graphics, real-time rendering, non-photorealistic rendering, as well as computational photography. His recent emphasis is on the use of tools from signal processing and inspiration from perceptual sciences. He received an inaugural Eurographics Young Researcher Award in 2004, an NSF CAREER award in 2005, an inaugural Microsoft Research New Faculty Fellowship in 2005 and a Sloan fellowship in 2006.