A Method to Create Stable Lighting and Remove Specular Reflections for Vision Systems
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Busch, A
Bartels, R
Gao, Y
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Yi Guo, Hongdong Li, Weidong Cai, Manzur Murshed, Zhiyong Wang, et al.
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Sydney, NSW, Australia
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Abstract
A lighting system and method has been developed which has shown in testing to allow quality images to be obtained that are free from two particular problems, specular reflections on the subject, and light intensity variation. These problems both diminish the ability to compare objects for attributes such as colour variation, edges, contours, and many other features. The system developed eliminates specular reflection by using the cross-polarisation configuration, and reduced flickering due to fluctuations in the power supply to negligible levels by constructing a high-power DC source capable of providing sufficient 12 Volt power. These two improvements create an environment suitable for taking high-quality, noise free images at high shutter speeds for the purpose of assessing the quality of strawberries moving on a real-time production line.
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DICTA 2017 - 2017 International Conference on Digital Image Computing: Techniques and Applications
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2017-December
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© 2017 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
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Artificial intelligence not elsewhere classified