Title :
Low power design for silent pass authentication system
Author_Institution :
Center of Excellence in Inf. Assurance, King Saud Univ., Riyadh, Saudi Arabia
Abstract :
This paper presents a new full-search block-matching algorithm for a lip reading user authentication system. The proposed algorithm reduces the computational load by eliminating non-candidate blocks from the search window using an approximate DC values. This computational reduction leads to enhanced performance in terms of low power consumption and fast motion vector estimation. A low power VLSI implementation of the algorithm is presented along with experimentation results.
Keywords :
VLSI; authorisation; computational complexity; face recognition; low-power electronics; motion estimation; pattern matching; computational load reduction; fast motion vector estimation; full search block matching algorithm; lip reading user authentication; low power VLSI implementation; noncandidate blocks elimination; silent pass authentication system; Algorithm design and analysis; Authentication; Computer architecture; Energy consumption; Feature extraction; Human computer interaction; Motion analysis; Motion estimation; Speech recognition; Very large scale integration;
Conference_Titel :
Internet Technology and Secured Transactions, 2009. ICITST 2009. International Conference for
Conference_Location :
London
Print_ISBN :
978-1-4244-5647-5
DOI :
10.1109/ICITST.2009.5402634
