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Device for acquiring information relating to position displacement of multiple image data sets, method, and program

A technology of image data sets and image data, which is applied in the directions of image data processing, image acquisition, image analysis, etc., and can solve problems such as the quality reduction of synthetic image data sets

Active Publication Date: 2018-03-27
CANON KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

As a result, image datasets of objects including positional displacement are synthesized with each other, and the quality of the composite image dataset of objects is degraded

Method used

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  • Device for acquiring information relating to position displacement of multiple image data sets, method, and program
  • Device for acquiring information relating to position displacement of multiple image data sets, method, and program
  • Device for acquiring information relating to position displacement of multiple image data sets, method, and program

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no. 1 example

[0040] Will refer to figure 1 The photoacoustic device according to this embodiment will be described. The photoacoustic device according to the present embodiment includes a light irradiation unit 100, a receiving unit 200, a driving unit 300, a signal collection unit 400, an image data acquisition unit 500, a display unit 600, an input unit 700, and a control unit 800. The configuration of the photoacoustic device according to the present embodiment will be described below.

[0041] Light irradiation unit 100

[0042] The light irradiation unit 100 includes a light source 110 and an optical system 120 that guides light emitted from the light source 110 to an object 900. The light source 110 may be a laser, a light emitting diode, or the like. A variety of lasers can be used, including solid-state lasers, gas lasers, dye lasers, and semiconductor lasers. A pulsed laser (such as Nd:YAG laser, alexandrite laser, etc.) may be used as the light source 110. In addition, a Ti: sapph...

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Abstract

An apparatus includes: a first acquisition unit acquiring first multiple image data sets; a second acquisition unit acquiring first composited image data using first two or more image data sets of thefirst multiple image data sets; a third acquisition unit acquiring second composited volume data, using second two or more image data sets of the first multiple image data sets, the second two or more image data sets a different combination from the first two or more image data sets; a fourth acquisition unit acquiring information relating to positional displacement between the first composited volume data and the second composited volume data, using the first composited image data and the second composited image data; and a fifth acquisition unit acquiring information relating to positionaldisplacement of the first multiple of image data sets, using information relating to the positional displacement between the first composited image data and the second composited image data.

Description

Technical field [0001] The present invention relates to a technique for acquiring information related to the positional displacement of a plurality of image data sets. Background technique [0002] Photoacoustic imaging technology is being studied. In the photoacoustic imaging technology, an object is irradiated with light, and acoustic waves (photoacoustic waves) emitted by a photoacoustic effect due to the energy of the light are absorbed to acquire image data of the object. In photoacoustic imaging, there is a technique for synthesizing image data sets of objects acquired through multiple light irradiations. [0003] However, there is a possibility that the relative positional relationship between the object and the photoacoustic wave receiving unit may change between light irradiations. This causes positional displacement due to the change in the image data corresponding to each light irradiation. As a result, the image data sets including the object whose position is displac...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B5/00
CPCA61B5/7207A61B5/0095G06T7/74G01C11/02G01C11/06G06T1/0007
Inventor 石川亮
Owner CANON KK
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