We show that the Hough transform filter can be obtained easily by use of rotational multiplexing. To demonstrate our method experimentally, we recorded the Hough transform filter for 18 discrete projection angles and compared experimental transform results with simulated ones for a few input patterns.
© 1998 Optical Society of America
Original Manuscript: July 24, 1997
Published: January 10, 1998
Dong-Hak Shin and Ju-Seog Jang, "Optical implementation of the hough transform by use of rotationally multiplexed holograms," Appl. Opt. 37, 329-333 (1998)