Systems and methods for determining focus from light collected by the periphery of a lens
作者： Robert Sobol , Kevin Matherson , Christopher Whitman , Donald Stavely
DOI:
关键词: Computer vision 、 Camera lens 、 Geography 、 Optics 、 Artificial intelligence 、 Lens (optics) 、 Focus (computing)
摘要: Disclosed are systems and methods for determining focus of an image. In one embodiment, a system method pertains to restricting light provided by central portion camera lens so that is primarily collected from periphery the lens, evaluating image using lens.
lens.org 参考文章(13)
Fumio Urano, Akihiro Arai, Reflex mirror for single lens reflex camera ,(1977)
Darryl I. Mounts, Jerold B. Lisson, Direct focus feedback autofocus system ,(1994)
Tomotaka Muramoto, Nobuhiro Takeda, Pupil divisional type focusing position detection apparatus for electronic cameras ,(1995)
Satoshi Yahagi, Focusing state determining adapter for taking lens ,(2002)
Syuichi Horiguchi, Takayoshi Hasegawa, Eye image pickup device ,(2001)
Toshihiko Karasaki, Kazumi Sugitani, Focus detecting optical system ,(1988)
Tomotaka Muramoto, Automatic focus detecting device ,(1996)
Naoya Kaneda, Light amount adjusting apparatus and optical apparatus having the same ,(2001)
Michael Veith, Edgar Maehringer-Kunz, Volker Knorz, Method and device for optically examining structured surfaces of objects ,(2000)
Hiroshi Ootsuka, Masataka Hamada, Kazumi Sugitani, Akio Kinba, Hiroshi Ueda, Auto focus detecting device comprising both phase-difference detecting and contrast detecting methods ,(1996)