Free-form lens design for wide-angle imaging with an equidistance projection scheme (2009)
Yang, Bo, Mäkinen, Jukka-Tapani, Aikio, Mika, Jin, Guofan, Wang, Yongtian
Optik - International Journal for Light and Electron Optics Vol.120 Nr.2, 74-78
Bo Yang, Guofan Jin, Yongtian Wang
Abstract. NURBS surface representation, combined with Differential Evolution (DE), enables us to perform automated non-imaging reflector design. The overall result is a simple automated nonimaging...
Autocalibration of an Electronic Compass for Augmented Reality (2008)
Xiaoming Hu, Yue Liu, Yongtian Wang, Yanling Hu, Dayuan Yan
Electronic compass is often used to provide the absolute heading reference for tracking the user’s head and hands in Virtual Reality (VR) and Augmented Reality (AR), especially for outdoor AR...
Liang Lin, Shaowu Peng, Jake Porway, Song-chun Zhu, Yongtian Wang
In this paper we present an empirical study of object category recognition using generalized samples and a set of sequential tests. We study 33 categories, each consisting of a small data set of 30...