دورية أكاديمية
An Automatic Calibration Method for the Field of View Aberration in a Risley-Prism-Based Image Sensor
| العنوان: | An Automatic Calibration Method for the Field of View Aberration in a Risley-Prism-Based Image Sensor |
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| المؤلفون: | Zhonglin Lin, Wenchao Liu, Jinyu Gan, Jilian Lu, Feng Huang, Xianyu Wu, Weixiong Wang |
| المصدر: | Sensors, Vol 23, Iss 18, p 7777 (2023) |
| بيانات النشر: | MDPI AG, 2023. |
| سنة النشر: | 2023 |
| المجموعة: | LCC:Chemical technology |
| مصطلحات موضوعية: | risley prisms, field of view, aberration correction, automatic calibration, Chemical technology, TP1-1185 |
| الوصف: | Risley-prism-based image sensors can expand the imaging field of view through beam control. The larger the top angle of the prism, the higher the magnification of the field of view, but at the same time, it aggravates the problem of imaging aberrations, which also puts higher requirements on the aberration correction method for the Risley-prism-based image sensor. To improve the speed, accuracy, and stability of the aberration correction process, an automatic calibration method for the Risley-prism-based image sensor is proposed based on a two-axis turntable. The image datasets of the calibration plate with different prism rotation angles and object distances are acquired using a two-axis turntable. Then, the images of the calibration plate are pre-processed using the bicubic interpolation algorithm. The calibration parameters are finally calculated, and parameter optimization is performed. The experimental results verify the feasibility of this automated calibration method. The reprojection error of the calibration is within 0.26 pixels when the distance of the imaging sensor is 3.6 m from the object, and the fine aberration correction results are observed. |
| نوع الوثيقة: | article |
| وصف الملف: | electronic resource |
| اللغة: | English |
| تدمد: | 1424-8220 54605903 |
| Relation: | https://www.mdpi.com/1424-8220/23/18/7777; https://doaj.org/toc/1424-8220 |
| DOI: | 10.3390/s23187777 |
| URL الوصول: | https://doaj.org/article/47ef2eb0ddf5460590319b86c9ca808b |
| رقم الأكسشن: | edsdoj.47ef2eb0ddf5460590319b86c9ca808b |
| قاعدة البيانات: | Directory of Open Access Journals |
Full Text Finder | تدمد: | 14248220 54605903 |
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| DOI: | 10.3390/s23187777 |