Title:
画像投影方法および画像投影装置
Document Type and Number:
Japanese Patent JP5140869
Kind Code:
B2
Abstract:
When it is estimated that first average brightness of image information of a projection image is under second average brightness of image information of a source image having a single spatial frequency on which a normal compensation is performed, an area having brightness above the second average brightness in the image information of the projection image is increased, and when it is estimated that the first average brightness is above the second average brightness, an area having brightness under the second average brightness in the image information of the projection image is increased.
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Inventors:
Ryosuke Kasahara
Application Number:
JP2007204596A
Publication Date:
February 13, 2013
Filing Date:
August 06, 2007
Export Citation:
Assignee:
株式会社リコー
International Classes:
G06T5/00; G02F1/133; G03B21/00; G06T5/20; G09G3/20; G09G3/36; G09G5/00; G09G5/36; H04N1/407; H04N5/74
Domestic Patent References:
| JP62127976A | ||||
| JP4081714A | ||||
| JP2000196978A | ||||
| JP2001027890A | ||||
| JP2001134226A | ||||
| JP2002250906A | ||||
| JP2004282661A | ||||
| JP2006502498A | ||||
| JP2006047464A | ||||
| JP2006050494A | ||||
| JP2006323045A | ||||
| JP2007171258A |
Attorney, Agent or Firm:
Shogo Honda
Toru Kabayama
Toru Kabayama