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Reprocessing method for maximum-density projection image data

A technology of maximum density and projected images, which is applied in the field of image processing, can solve the problems of blurred and deformed texture details of 3D images, and achieve the effect of clear texture details and realistic 3D projected images

Active Publication Date: 2008-10-29
LANWON TECH
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Problems solved by technology

The technical problem to be solved by the present invention is to provide a post-processing method of maximum density projection image data, which overcomes the defects of blurred or even deformed tissue texture details of three-dimensional images obtained by post-interpolation methods in the prior art

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Abstract

The invention discloses a post-processing method for the image data of the maximum intensity projection, comprising the following steps of: A1 before the maximum intensity projection of an image sequence, selecting a vertex at the same position of each image, making a calculation in accordance with an ascending order or a descending order of the image sequence, and keeping records for coordinating deviation of vertexes of the adjacent two images on the projection plane; A2 after the maximum intensity projection of the image sequence, recording the coordinates and gray values of each pixel in the projection data, the marks of the image where the pixels are arranged and the relations between the pixels and the image, and conducting a post-processing for the pixels.

Description

A Post-processing Method of Maximum Density Projection Image Data technical field The invention relates to the technical field of image processing, in particular to a post-processing method for maximum density projection image data. Background technique In image processing technology, the establishment of a three-dimensional image can be completed through the projection of a two-dimensional image sequence. , computed tomography) data volume to obtain an effective image reconstruction method for three-dimensional structures such as blood vessels, bones and soft tissues. In order to use computers to quickly process images and meet the time requirements for image reconstruction, people have researched and developed a lot of maximum intensity projection MIP algorithms. data, these image data cannot fully satisfy the Nyquist sampling law, so it is impossible to completely reproduce the original appearance of the three-dimensional object after the maximum density projection, wh...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T11/00G06T15/00G06T15/04
Inventor 陈闽峰吕广志
Owner LANWON TECH
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