Enhanced Geometrical Self-calibration of planar CT
Geometrical calibration of Cone Beam Computed Tomography (CBCT) systems is essential for achieving accurate image reconstruction and enhancing spatial resolution. A modern application of these systems is planar CT imaging (Computed Laminography), which is particularly effective for imaging flat ob...
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| Format: | Article |
| Language: | deu |
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NDT.net
2025-02-01
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| Series: | e-Journal of Nondestructive Testing |
| Online Access: | https://www.ndt.net/search/docs.php3?id=30766 |
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| _version_ | 1832086584854315008 |
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| author | Erfan Bagheri Amirhossein Saedpanah Hamidreza Safari Pouya Parvizian Abbas Mohammadkazemi Seyed Roohollah Hosseini |
| author_facet | Erfan Bagheri Amirhossein Saedpanah Hamidreza Safari Pouya Parvizian Abbas Mohammadkazemi Seyed Roohollah Hosseini |
| author_sort | Erfan Bagheri |
| collection | DOAJ |
| description |
Geometrical calibration of Cone Beam Computed Tomography (CBCT) systems is essential for achieving accurate image reconstruction and enhancing spatial resolution. A modern application of these systems is planar CT imaging (Computed Laminography), which is particularly effective for imaging flat objects, such as printed circuit boards (PCBs). Among the existing calibration approaches, self-calibration, which primarily utilizing mutual information as a similarity measure, has garnered significant attention[1]. In this study, we propose the use of regional mutual information[2] as an alternative similarity metric. Our findings demonstrate that regional mutual information enhances calibration accuracy and computational cost, offering a promising advancement in this field.
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| format | Article |
| id | doaj-art-9899eea2fbae489487237b6d01da83b3 |
| institution | Kabale University |
| issn | 1435-4934 |
| language | deu |
| publishDate | 2025-02-01 |
| publisher | NDT.net |
| record_format | Article |
| series | e-Journal of Nondestructive Testing |
| spelling | doaj-art-9899eea2fbae489487237b6d01da83b32025-02-06T10:48:19ZdeuNDT.nete-Journal of Nondestructive Testing1435-49342025-02-0130210.58286/30766Enhanced Geometrical Self-calibration of planar CTErfan BagheriAmirhossein SaedpanahHamidreza SafariPouya ParvizianAbbas MohammadkazemiSeyed Roohollah Hosseini Geometrical calibration of Cone Beam Computed Tomography (CBCT) systems is essential for achieving accurate image reconstruction and enhancing spatial resolution. A modern application of these systems is planar CT imaging (Computed Laminography), which is particularly effective for imaging flat objects, such as printed circuit boards (PCBs). Among the existing calibration approaches, self-calibration, which primarily utilizing mutual information as a similarity measure, has garnered significant attention[1]. In this study, we propose the use of regional mutual information[2] as an alternative similarity metric. Our findings demonstrate that regional mutual information enhances calibration accuracy and computational cost, offering a promising advancement in this field. https://www.ndt.net/search/docs.php3?id=30766 |
| spellingShingle | Erfan Bagheri Amirhossein Saedpanah Hamidreza Safari Pouya Parvizian Abbas Mohammadkazemi Seyed Roohollah Hosseini Enhanced Geometrical Self-calibration of planar CT e-Journal of Nondestructive Testing |
| title | Enhanced Geometrical Self-calibration of planar CT |
| title_full | Enhanced Geometrical Self-calibration of planar CT |
| title_fullStr | Enhanced Geometrical Self-calibration of planar CT |
| title_full_unstemmed | Enhanced Geometrical Self-calibration of planar CT |
| title_short | Enhanced Geometrical Self-calibration of planar CT |
| title_sort | enhanced geometrical self calibration of planar ct |
| url | https://www.ndt.net/search/docs.php3?id=30766 |
| work_keys_str_mv | AT erfanbagheri enhancedgeometricalselfcalibrationofplanarct AT amirhosseinsaedpanah enhancedgeometricalselfcalibrationofplanarct AT hamidrezasafari enhancedgeometricalselfcalibrationofplanarct AT pouyaparvizian enhancedgeometricalselfcalibrationofplanarct AT abbasmohammadkazemi enhancedgeometricalselfcalibrationofplanarct AT seyedroohollahhosseini enhancedgeometricalselfcalibrationofplanarct |