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Imaging device, distance measuring method

A technology of an imaging device and an imaging unit, which can be applied to measurement devices, optical devices, image communication, etc., and can solve problems such as failure to make useful proposals

Active Publication Date: 2013-10-30
CASIO COMPUTER CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] However, it is also true that there have been no useful proposals for the technology of measuring the length between two points specified by the user on the subject with high accuracy using an imaging device such as a stereo camera.

Method used

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  • Imaging device, distance measuring method
  • Imaging device, distance measuring method
  • Imaging device, distance measuring method

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Embodiment Construction

[0032] Embodiments of the present invention will be described below with reference to the drawings. In this embodiment, a case where the present invention is realized by a digital still camera (hereinafter referred to as "digital camera") is exemplified. Figure 1A The shown digital camera 1 according to this embodiment is a so-called compound eye camera (stereo camera) that has the functions of a general digital camera and has two imaging-related structures. The digital camera 1 is realized as a so-called compact camera with such a stereoscopic camera structure.

[0033] The digital camera 1 has a function of performing three-dimensional modeling (3D modeling) using captured images. In this 3D modeling function, in the digital camera 1 of the present embodiment, a pattern projection method is used to obtain captured images suitable for 3D modeling.

[0034] figure 2 It is a block diagram showing the configuration of the digital camera 1 . As shown in the figure, the digit...

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Abstract

The distance between two points specified on an object is measured. The imaging part acquires a pair of images having parallax in one imaging operation on one and the same object. The display part displays a display image based on at least one image of the pair of images acquired. The reception part receives a start point and an end point specified on the object in the display image. The distance acquisition part calculates the positions in a real space of the start and end points specified on the object based on one pair or multiple pairs of images and acquires the distance between the start and end points on the object based on the calculated start and end point positions in the real space.

Description

[0001] For this application, priority is claimed based on Japanese Patent Application No. 2010-089681 filed on April 8, 2010 and Japanese Patent Application No. 2011-080828 filed on March 31, 2011, and the base application The content is incorporated in this application in its entirety. technical field [0002] The present invention relates to an imaging device and a measuring method for measuring the length of an object. Background technique [0003] A so-called stereo camera is known that includes two imaging units and is capable of capturing images for stereoscopic viewing. For example, in the stereo camera disclosed in Japanese Patent Application Laid-Open No. 6-3122, the same subject is simultaneously captured by each imaging unit, and two types of images, namely a right-eye image and a left-eye image, are obtained. [0004] Also, for example, as disclosed in Japanese Patent Application Laid-Open No. 2004-093457, there is known a technique of measuring a distance to a ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01B11/03H04N13/239
CPCG06T7/602H04N13/0239H04N2013/0081G06T7/0075G06T2207/10012G06T7/593G06T7/62H04N13/239
Inventor 吉滨由纪樱井敬一中岛光康山谷崇史
Owner CASIO COMPUTER CO LTD