US 6,222,593 B1Granted

Image projecting system

AssigneeOlympus Optical Co., Ltd.

InventorsMasaki Higurashi, Tatsuo Nagasaki, Yasuhiro Komiya, Koutatsu Oura, Ganglu Jing

Life of this patent

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Abstract

In a system according to the invention, fine image data 2 created and output by a personal computer 1 is input to an image processing/dividing section 4. The image processing/dividing section 4 determines, on the basis of parameters stored in a projector arrangement storage 5, which portion of the fine image data 2 is output to which projector, thereby performing a predetermined processing. Digital signals from the image processing/dividing section 4 are input to a plurality of D/A converters 6, respectively, where the signals are converted to analog signals. Images in the form of the analog signals are projected onto a screen 8 from projectors 7a-7d. Thus, the image projected on the screen 8 is constituted of accurately positioned images, and hence is a very fine image.

Claims16

Dependent claims

An image projection system for displaying, on a screen, a single image based on images projected by a plurality of projectors, comprising:

parameter storage means for storing, as parameters necessary for processing to project an accurate image using the plurality of projectors, a first parameter for correcting distortion of an image due to a positional relationship between each projector and the screen, and a second parameter for indicating a positional relationship between images projected on the screen by a plurality of projectors;
image processing means for correcting distortion of an image projected by each projector on the basis of the parameters stored in the parameter storage means, and executing correction so that images projected by the plurality of projectors can be smoothly combined;
and
a plurality of image output means for outputting images corrected by the image processing means to the plurality of projectors.

1 more element

Dependencies are inferred from the claim text.

Facts

Application: 08/865,723Filed 30 May 1997
Priority: JP 8-1442486 Jun 1996
Granted: 24 Apr 2001
Term ends: Not estimatedThe source records don’t support an estimate.

Classification16 codes

H04N 17/045
For receivers: self-contained testing apparatus
G03B 37/04
Panoramic or wide-screen photography; Photographing extended surfaces, e.g. for surveying; Photographing internal surfaces, e.g. of pipe: with…
G06F 3/1446
Controlling a plurality of local displays, e.g. CRT and flat panel display: display composed of modules, e.g. video walls
G09G 3/002
Using specific devices not provided for in groups G09G3/02 - G09G3/36, e.g. using an intermediate record carrier such as a film slide;…