Image stitching using an electrowetting-based liquid prism with a fabrication method

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In this paper, we propose a new method for image stitching using an electrowetting-based liquid prism. Several images were obtained by adjusting the voltages applied to four sidewalls of the liquid prism, and a panoramic image was achieved through an image stitching algorithm. The relationship between the tilting angle of the liquid prism and the normal vector of the liquid-liquid interface was presented. Novel fabrication method has been proposed to improve the performance of the liquid prism, including the addition of a new structure to prevent oil isolation, plastic chamber material, plastic laser cutting, and oil selection. The fabricated liquid prism has a size of 5 x 5 x 8 mm, a maximum beam steering angle of +/- 10.5 degrees, a response time of 19.1 ms, and a resolution of 14.25 lp/mm. The required number of images according to the overlapping area was presented through the simulation, and the image stitching using two or three images was demonstrated.
Publisher
OPTICAL SOC AMER
Issue Date
2021-01
Language
English
Article Type
Article
Citation

OPTICS EXPRESS, v.29, no.2, pp.729 - 739

ISSN
1094-4087
DOI
10.1364/OE.414236
URI
http://hdl.handle.net/10203/281064
Appears in Collection
EE-Journal Papers(저널논문)
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