Title:
ローリングシャッタCMOSセンサ画像における変調光作用の除去
Document Type and Number:
Japanese Patent JP4564519
Kind Code:
B2
Abstract:
Disclosed are digital imaging devices that embody a method for eliminating modulated light effects in rolling shutter CMOS sensor images. The digital imaging device comprises an image sensor utilizing an electronic rolling shutter, a processor and firmware for implementing the methods. Embodiments of the method comprise detecting the presence of light modulation and the frequency of the light modulation, and synchronizing the exposure times to the modulation cycle time.
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Inventors:
Gregory Hofer
Application Number:
JP2007191964A
Publication Date:
October 20, 2010
Filing Date:
July 24, 2007
Export Citation:
Assignee:
Hewlett-Packard Development Company
International Classes:
H04N5/235; H04N5/353; H04N5/374; H04N101/00
Domestic Patent References:
| JP2004112739A | ||||
| JP2002084466A | ||||
| JP2005086423A |
Attorney, Agent or Firm:
Masaki Goto
Hideo Ueno
Masahiro Fujii
Masaaki Iida
Hideo Ueno
Masahiro Fujii
Masaaki Iida