Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
結像装置の視覚パラメータ自動修正方法
Document Type and Number:
Japanese Patent JP5300025
Kind Code:
B2
Abstract:
A method of automatically calibrating a visual parameter, such as luminance or contrast, for an imaging device is disclosed. A ratio of visual parameter difference to lens position difference between two predetermined lens positions is pre-determined for a predetermined focal length. A target visual parameter is then obtained according to the pre-determined ratio, a current visual parameter and lens position difference between a current lens position and a target lens position. Finally, the current visual parameter is updated by the target visual parameter in an automatic mode.

Inventors:
The farthest king
Kure Seisho
Application Number:
JP2010159370A
Publication Date:
September 25, 2013
Filing Date:
July 14, 2010
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
Qualified Enterprise Co., Ltd.
International Classes:
H04N5/238; G03B7/08; H04N5/232
Domestic Patent References:
JP2008129371A
Attorney, Agent or Firm:
Yamada Iichiro
Tachibana Kenji
Junya Tanaka
Hiroki Matsui
Yamashita Unknown
Tsuyoshi Masuda