13 November 2014 Fast blur removal via optical computing
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Abstract
Non-uniform image blur caused by camera shake or lens aberration is a common degradation in practical capture. Different from the uniform blur, non-uniform one is hard to deal with for its extremely high computation complexity as the blur model computation cannot be accelerated by Fast Fourier Transform (FFT). We propose to compute the most computational consuming operation, i.e. blur model calculation, by an optical computing system to realize fast and accurate non-uniform image deblur. A prototype system composed by a projector-camera system as well as a high dimensional motion platform (for motion blur) or original camera lens (for optics aberrations) is implemented. Our method is applied on a series of experiments, either on synthetic or real captured images, to verify its effectiveness and efficient.
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Jinli Suo, Tao Yue, Qionghai Dai, "Fast blur removal via optical computing", Proc. SPIE 9279, Real-time Photonic Measurements, Data Management, and Processing, 92790R (13 November 2014); doi: 10.1117/12.2071677; https://doi.org/10.1117/12.2071677
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