Paper Review: Birchfield

@article{Birchfield98Elliptical,
Journal = {Proc. IEEE Conf. on Computer Vision and Pattern Recognition},
Year = {June, 1998},
Title = {Elliptical Head Tracking Using Intensity Gradients and Color Histograms},
Number = {},
Pages = {232-237},
Author = {S. Birchfield},
Volume = {}}

@article{Birchfield97Elliptical,
Journal = {Proc. of the 31st Asilomar Conf. on Signals, Systems and Computers},
Year = {1997},
Title = {An elliptical Head Tracker},
Number = {},
Pages = {},
Author = {S. Birchfield},
Volume = {}}

Link, the former KLT website is also contributed by him. The father link is here.

Takeo Kanade -> Carlo Tomasi -> Stan Birchfield, hoho...