Imaging system

An imaging and image technology, applied in image data processing, 2D image generation, medical science and other directions, can solve the problems of data acquisition and data processing difficulties, etc.

Inactive Publication Date: 2007-08-22
UNIVERSITY OF CHICAGO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These requirements of the previous FBP algorithm make data acquisition as well as data processing difficult

Method used

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Embodiment Construction

[0062] In order to solve the deficiencies of the prior art, a method and device for imaging an object will be described below. Imaging an object may be based on chords filling at least a part (eg, all, or more) of a region of interest (ROI). The ROI can be two-dimensional, three-dimensional, or n-dimensional. The chord used for reconstruction may be a line between two points, such as a straight line or part of a curve. The points defining the chord may be based on any aspect related to imaging, examples of which may include (but are not limited to) the trajectory of the source or a Cartesian coordinate system, as detailed below. By decomposing at least a portion of the ROI (eg, the entire ROI) into chords, an image can be reconstructed based on the set of chords. For example, various methods such as chords can be used to reconstruct a two-dimensional or three-dimensional ROI include Back Projection Filtering (BPF) method, Minimum Filtered Back Projection (MFBP) method, and F...

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Abstract

A method and apparatus for reconstruction of a region of interest for an object is provided. The reconstruction of the object may be based on chords which may fill a part, all, or more than all of the region of interest. Using chords for reconstruction may allow for reducing data acquired and / or processing for reconstructing a substantially exact image of the ROI. Moreover, various methodologies may be used in reconstructing the image, such as backprojection-filtration, and modified filtration backprojection.

Description

[0001] References to related applications [0002] This application claims the benefit of U.S. Application Serial No. 60 / 543,331 (pending), filed February 10, 2004; and claims U.S. Patent Serial No. 60 / 630,624 (pending), filed November 24, 2004 Apply for benefits. The entire contents of US Patent Application Serial No. 60 / 543,331 are incorporated by reference; the entire contents of US Patent Application Serial No. 60 / 630,624 are incorporated by reference. technical field [0003] The present invention relates to methods and devices for imaging objects. More particularly, the present invention relates to methods and apparatus for imaging part or all of the interior of a living or non-living body. [0004] government authorization [0005] The U.S. government has a paid license to this invention and has the right, with limitations, to require the patent owner to license to others on reasonable terms, such as under grants EB000225 and EB002765 awarded by the National Institut...

Claims

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Application Information

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IPC IPC(8): G06T11/00
CPCA61B6/027
Inventor 邹宇潘晓川
Owner UNIVERSITY OF CHICAGO
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