Survey of Dirac: A Wavelet Based Video Codec for Multiparty Video Conferencing and Broadcasting. - Ahtsham Ali; Nadeem A. Khan; Shahid Masud; Syed Farooq Ali (Intelligent Video Event Analysis and Understanding, 2011)

A spatio-temporal recursive search based prediction scheme for efficient multi-frame and bidirectional motion estimation. - Ahtsham Ali; Nadeem A. Khan (ICASSP, 2012)