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231225s2021 xx |||||o 00| ||eng c |
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|a 10.1109/TIP.2020.3044209
|2 doi
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|a eng
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| 100 |
1 |
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|a Hsu, Wei-Yen
|e verfasserin
|4 aut
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| 245 |
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|a A Novel Eye Center Localization Method for Head Poses With Large Rotations
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| 264 |
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|c 2021
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| 336 |
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|a Text
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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| 500 |
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|a Date Completed 25.06.2021
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|a Date Revised 25.06.2021
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Eye localization is undoubtedly crucial to acquiring large amounts of information. It not only helps people improve their understanding of others but is also a technology that enables machines to better understand humans. Although studies have reported satisfactory accuracy for frontal faces or head poses at limited angles, large head rotations generate numerous defects (e.g., disappearance of the eye), and existing methods are not effective enough to accurately localize eye centers. Therefore, this study makes three contributions to address these limitations. First, we propose a novel complete representation (CR) pipeline that can flexibly learn and generate two complete representations, namely the CR-center and CR-region, of the same identity. We also propose two novel eye center localization methods. This first method employs geometric transformation to estimate the rotational difference between two faces and an unknown-localization strategy for accurate transformation of the CR-center. The second method is based on image translation learning and uses the CR-region to train the generative adversarial network, which can then accurately generate and localize eye centers. Five image databases are employed to verify the proposed methods, and tests reveal that compared with existing methods, the proposed method can more accurately and robustly localize eye centers in challenging images, such as those showing considerable head rotation (both yaw rotation of -67.5° to +67.5° and roll rotation of +120° to -120°), complete occlusion of both eyes, poor illumination in addition to head rotation, head pose changes in the dark, and various gaze interaction
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| 650 |
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|a Journal Article
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| 700 |
1 |
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|a Chung, Chi-Jui
|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: 07., Seite 1369-1381
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|g volume:30
|g year:2021
|g day:07
|g pages:1369-1381
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|u http://dx.doi.org/10.1109/TIP.2020.3044209
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