Title :
Unbiased estimation of camera translation direction from optical flow using linear constraints
Author :
Earnshaw, A. Mark ; Blostein, Steven D.
Author_Institution :
Dept. of Electr. & Comput. Eng., Queen´´s Univ., Kingston, Ont., Canada
Abstract :
A linear method for recovering the translation direction of a moving camera using optical flow has been previously developed. This method initially produced a biased estimate and the original authors proposed a dithering technique for eliminating this bias. An alternative explanation of and method for removing the bias are presented, together with the results of an error analysis of both methods. Sample numerical simulations are used to compare the different techniques
Keywords :
cameras; error analysis; image sequences; motion estimation; bias elimination; biased estimate; camera translation direction; dithering technique; error analysis; linear constraints; moving camera; numerical simulations; optical flow; unbiased estimation; Cameras; Error analysis; Image sequence analysis; Motion analysis;
Conference_Titel :
Electrical and Computer Engineering, 1994. Conference Proceedings. 1994 Canadian Conference on
Conference_Location :
Halifax, NS
Print_ISBN :
0-7803-2416-1
DOI :
10.1109/CCECE.1994.405771
