Image projecting device, image processing device, image projecting method, and computer-readable recording medium

US8950872B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-8950872-B2
Application numberUS-201213595425-A
CountryUS
Kind codeB2
Filing dateAug 27, 2012
Priority dateSep 1, 2011
Publication dateFeb 10, 2015
Grant dateFeb 10, 2015

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  1. Title

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  2. Abstract

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  5. First independent claim

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  7. Citations and related patents

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Abstract

Official abstract text for this publication.

Disclosed is an image projecting device, including a projecting part configured to project an image for calibration onto a projection object, an image capturing part configured to capture an image of an area including the projection object with a projected image for calibration, a binary image producing part configured to calculate plural first thresholds corresponding to plural first divided areas provided by dividing the area, based on a captured image, and to produce a binary image of the captured image, based on the first thresholds, and a corresponding point sampling part configured to sample corresponding points between the image for calibration and the binary image.

First claim

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What is claimed is: 1. An image projecting device, comprising: a projecting part configured to project an image for calibration onto a projection object; an image capturing part configured to capture an image of an area including the projection object with a projected image for calibration; a binary image producing part configured to calculate plural first thresholds corresponding to plural first divided areas provided by dividing the area, based on a captured image, and to pr…

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What does patent US8950872B2 cover?
Disclosed is an image projecting device, including a projecting part configured to project an image for calibration onto a projection object, an image capturing part configured to capture an image of an area including the projection object with a projected image for calibration, a binary image producing part configured to calculate plural first thresholds corresponding to plural first divided a…
Who is the assignee on this patent?
Hasegawa Fumihiro, Sumiyoshi Shinichi, Ricoh Co Ltd
What technology area does this patent fall under?
Primary CPC classification H04N9/3185. Mapped technology areas include Electricity.
When was this patent published?
Publication date Tue Feb 10 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).