Fast algorithms for the computation of Ranklets

Smeraldi, in: Proceedings of ICIP, Cairo (Egypt), pp 3969-3972, November 2009

Abstract

Ranklets are orientation selective rank features with applications to tracking, face detection, texture and medical imaging. We introduce efficient algorithms that reduce their computational complexity from
to , where is the area of the filter. Timing tests show a speedup of one order of magnitude for typical usage, which should make Ranklets attractive for real-time applications.

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