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|a 10.1109/TIP.2020.3048684
|2 doi
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|a eng
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| 100 |
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|a Chuang, Jen-Hui
|e verfasserin
|4 aut
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| 245 |
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|a Geometry-Based Camera Calibration Using Closed-Form Solution of Principal Line
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| 264 |
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|c 2021
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|a Text
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Revised 08.02.2021
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a Camera calibration is a crucial prerequisite in many applications of computer vision. In this paper, a new geometry-based camera calibration technique is proposed, which resolves two main issues associated with the widely used Zhang's method: (i) the lack of guidelines to avoid outliers in the computation and (ii) the assumption of fixed camera focal length. The proposed approach is based on the closed-form solution of principal lines with their intersection being the principal point while each principal line can concisely represent relative orientation/position (up to one degree of freedom for both) between a special pair of coordinate systems of image plane and calibration pattern. With such analytically tractable image features, computations associated with the calibration are greatly simplified, while the guidelines in (i) can be established intuitively. Experimental results for synthetic and real data show that the proposed approach does compare favorably with Zhang's method, in terms of correctness, robustness, and flexibility, and addresses issues (i) and (ii) satisfactorily
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|a Journal Article
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| 700 |
1 |
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|a Ho, Chih-Hui
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Umam, Ardian
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Chen, Hsin-Yi
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Hwang, Jenq-Neng
|e verfasserin
|4 aut
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| 700 |
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|a Chen, Tai-An
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t IEEE transactions on image processing : a publication of the IEEE Signal Processing Society
|d 1992
|g 30(2021) vom: 20., Seite 2599-2610
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|g volume:30
|g year:2021
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|u http://dx.doi.org/10.1109/TIP.2020.3048684
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