Title :
Hyper Least Squares and Its Applications
Author :
Rangarajan, Prasanna ; Kanatani, Kenichi ; Niitsuma, Hirotaka ; Sugaya, Yasuyuki
Abstract :
We present a new form of least squares (LS), called "hyper LS", for geometric problems that frequently appear in computer vision applications. Doing rigorous error analysis, we maximize the accuracy by introducing a normalization that eliminates statistical bias up to second order noise terms. Our method yields a solution comparable to maximum likelihood (ML) without iterations, even in large noise situations where ML computation fails.
Keywords :
least mean squares methods; statistical analysis; geometric problem; hyper least squares method; statistical bias; Accuracy; Covariance matrix; Equations; Error analysis; Maximum likelihood estimation; Noise; Transmission line matrix methods; ellipse fitting; fundamental matrix; geometric fitting; homography; least squares; maximum likelihood;
Conference_Titel :
Pattern Recognition (ICPR), 2010 20th International Conference on
Conference_Location :
Istanbul
Print_ISBN :
978-1-4244-7542-1
DOI :
10.1109/ICPR.2010.10