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Image reconstruction method and device

An image reconstruction and scanning image technology, applied in the field of image processing, can solve the problem of poor quality of the reconstructed image, and achieve the effect of improving the quality

Inactive Publication Date: 2017-10-10
NEUSOFT MEDICAL SYST CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In view of this, the present application provides a method and device for image reconstruction to solve the technical problem of poor reconstructed image quality in the prior art

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Embodiment Construction

[0056] In order to make the above objects, features and advantages of the present application more obvious and understandable, the embodiments of the present application will be further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0057] In the prior art, usually the process of CT scanning is to first select the imaging protocol, and the imaging protocol can determine the scanning imaging parameters, image reconstruction algorithm, etc., wherein the scanning imaging parameters can be divided into scanning parameters and imaging parameters, Scanning parameters include parameters involved in the CT scanning process, such as the number of detector rows used, scanning radiation dose, etc., and imaging parameters include parameters involved in the image reconstruction process, such as the size of the reconstructed image, the thickness of the reconstructed image, etc. The image reconstruction algorithm can determine th...

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Abstract

The invention discloses an image reconstruction method, which is used for improving the reconstruction quality of images. The method comprises the following steps: acquiring a scanned image of a plain film; dividing the scanned image of the plain film into a plurality of areas, and acquiring an area marker and an area position information of each area; determining the scanning and image reconstruction parameters and image reconstruction algorithm corresponding to each area; and according to the scanning and image reconstruction parameters corresponding to each area and the area position information of each area, performing CT scanning to obtain CT scanning data, and performing image reconstruction on the CT scanning data according to the image reconstruction algorithm corresponding to each area marker and the area position information of each area. The invention further discloses an image reconstruction device.

Description

technical field [0001] The present application relates to the technical field of image processing, and in particular to an image reconstruction method and device. Background technique [0002] CT (Computed Tomography, computerized tomography) is an imaging technique that obtains cross-sectional information of an object by performing ray projection measurements on the object at different angles. In the prior art, the usual process of CT scanning is to first determine the scanning imaging parameters, image reconstruction algorithm, image processing flow, etc., that is, to select an imaging protocol, and then complete the CT scanning and image reconstruction process according to the imaging protocol. [0003] However, when a single CT scan covers different parts of the human body (such as from the head to the chest), the reconstructed images obtained with the same imaging protocol will cause differences in image quality due to the different degrees of radiation absorption of di...

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Application Information

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IPC IPC(8): G06T11/00G06T5/00
CPCG06T11/003G06T2207/10081G06T5/70
Inventor 董国峰
Owner NEUSOFT MEDICAL SYST CO LTD