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Method for collecting pet scan data, pet imaging method

A technology for scanning data and collecting parameters, applied in the field of PET imaging and collecting PET scanning data, it can solve the problems of low memory consumption and inability to meet the high speed of PET, and achieve the effect of reducing disk space, fast reading and writing, and improving acquisition speed.

Active Publication Date: 2019-01-11
SHANGHAI UNITED IMAGING HEALTHCARE
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The problem to be solved by the present invention is that the traditional method of collecting PET scanning data cannot meet the collection requirements of PET with high speed and low memory consumption

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Embodiment Construction

[0019] In order to make the above objects, features and advantages of the present invention more comprehensible, specific implementations of the present invention will be described in detail below in conjunction with the accompanying drawings and embodiments.

[0020] The existing method for collecting PET scanning data saves the original data and the collection parameter data as the same data file, but in order to clarify the ownership relationship in the collection parameter data, the data file adopts a structured storage format. Those skilled in the art know that the data structure needs to occupy extra bytes, which increases the disk space required for storing raw data and acquisition parameter data. The original data does not contain the attribution relationship. If the original data and the collected parameter data can be stored separately, the original data does not need to be limited by the storage format of the collected parameter data, and is stored in the same struct...

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Abstract

The invention provides a method for collecting PED scanning data. During collection of PET scanning data, original data are dynamically separated, parameter data are collected, the collected parameter data are saved as data files in a DCM format, in this way, the attribution relation of the content of the data files is convenient to determine, and collection parameters can be further modified in the collection process. As the original data are saved as data files in a binary format, disk space required by data scanning is reduced, and the collection speed is increased.

Description

technical field [0001] The present invention relates to the technical field of positron emission tomography (PET), in particular to a method for collecting PET scan data and a PET imaging method. Background technique [0002] PET is one of the most advanced large-scale medical diagnostic imaging devices recognized by the current medical community. Structurally speaking, PET is composed of a detector (placed in a frame), an electronic front-end amplification and coincidence system, a computer system, and a detection bed, such as figure 1 shown. The PET detector detects the radioactive signal emitted from the human body, and after being processed by the coincidence and acquisition system, the collected scanning data is stored in the computer disk, and finally the computer is reconstructed to call the collected data for image reconstruction to obtain a cross-sectional image of the human body . [0003] The acquired scan data includes raw data and acquisition parameter data. ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61B6/03G06F3/06
Inventor 宋文兵马润霞
Owner SHANGHAI UNITED IMAGING HEALTHCARE