Google Tech Talks January 30, 2006 Prof. Sanjeev Khudanpur Sanjeev Khudanpur is an Assistant Professor in the Department of Electrical & Computer Engineering and a member of the Center for Language and Speech Processing at Johns Hopkins University. He obtained a B. Tech. from the Indian Institute of Technology, Bombay, in 1988, and a Ph. D. from the University of Maryland, College Park, in 1997, both in Electrical Engineering. ABSTRACT We will describe the use of hidden Markov models (HMMs) for content-based retrieval of images and video via text queries. In this model, objects or concepts present in an image or video clip constitute the state-space of a Markov chain, and the observed visual...