| Data Correction for Gantry-tilted Local CT. | |
| | |
MedLine Citation:
|
PMID: 17282566 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
|
Gantry-tilted helical multi-slice computed tomography (CT) refers to the helical scanning CT system equipped with multi-row detector operating at some gantry tilting angle. Its purpose is to avoid the area which is vulnerable to the X-ray radiation. The local tomography is to reduce the total radiation dose by only scanning the region of interest for image reconstruction. In this paper we consider the scanning scheme, and incorporate the local tomography technique with the gantry-tilted helical multi-slice CT. The image degradation problem caused by gantry tilting is studied, and a new error correction method is proposed to deal with this problem in the local CT. Computer simulation shows that the proposed method can enhance the local imaging performance in terms of image sharpness and artifacts reduction. |
| | |
Authors:
|
Hongzhu Liang; Cishen Zhang; Ming Yan; Jiayin Zhou |
Related Documents
:
|
11461106 - Prospective evaluation of magnetic resonance imaging after endovascular treatment of in... 8456666 - Spiral ct of the liver. 15692236 - The role of helical ct in the diagnosis of pulmonary embolism. 12324786 - Giant salivary gland calculi: diagnostic imaging and surgical management. 21277096 - Localization accuracy of the clinical target volume during image-guided radiotherapy of... 21755466 - Mr safety: simultaneous b (0), dΦ/dt, and db/dt measurements on mr-workers up to 7 t. |
Publication Detail:
|
Type: Journal Article |
Journal Detail:
|
Title: Conference proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Conference Volume: 2 ISSN: 1557-170X ISO Abbreviation: Conf Proc IEEE Eng Med Biol Soc Publication Date: 2005 |
Date Detail:
|
Created Date: 2007-02-06 Completed Date: - Revised Date: - |
Medline Journal Info:
|
Nlm Unique ID: 101243413 Medline TA: Conf Proc IEEE Eng Med Biol Soc Country: United States |
Other Details:
|
Languages: eng Pagination: 1798-801 Citation Subset: - |
Affiliation:
|
Sch. of Electr. & Electron. Eng., Nanyang Technol. Univ. |
Export Citation:
|
APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
|
|
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
Previous Document: A Weighted Least Squares Reconstruction Method for PET Data Using Nonlinear Anisotropic Diffusion Re...
Next Document: Computer-Aided Diagnosis Applied to 3-D US of Solid Breast Nodules by Using Principal Component Anal...