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11 September 2008 Using liquid lens in wavefront coded imaging system
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A novel design of a wavefront coded compact camera system with liquid lens is presented. The point spread function must remain practically constant over a wide range of defocus in order to create an image which is sharp over a large depth of field. Therefore, the trade-off between the effect of extended depth of field and reduction in the signal to noise ratio of the restored image become critical. By combining liquid lens and wavefront coding, the system can deliver much greater depth of field without the restoration problems caused by the similarity of point spread function. This could improve the overall image performance.
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Chir-Weei Chang and Yung-Lin Chen "Using liquid lens in wavefront coded imaging system", Proc. SPIE 7061, Novel Optical Systems Design and Optimization XI, 70610O (11 September 2008);

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