MITMAS_531F09_lec11_1

MITMAS_531F09_lec11_1 - Camera Culture Camera Culture...

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Unformatted text preview: Camera Culture Camera Culture Ramesh Raskar Ramesh Raskar MIT Media Lab MIT Media Lab http://cameraculture.media.mit.edu/ Computational Camera & Photography: Coded Imaging Computational Camera & Computational Camera & Photography: Coded Imaging Photography: Coded Imaging )HUQDOG/ 6FLHQFH#>6HSW#5339@ 6KDGRZ 7HIUDFWLYH 7HIOHFWLYH Image removed due to copyright restrictions. See Fig. 1, Eight major types of optics in animal eyes. In Fernald, R. D. Casting a Genetic Light on the Evolution of Eyes. Science 313, no. 5795 (September 29, 2006): 1914-1918. http://dx.doi.org/10.1126/science.1127889 Traditional Camera Shutter is OPEN Blurring == Convolution Traditional Camera: Box Filter Sinc Function f |H(f)| Source: Raskar, Agrawal and Tumblin. Coded Exposure Photography: Motion Deblurring via Fluttered Shutter. Proceedings of SIGGRAPH 2006. Blurring Process for Linear Motion [ 8QNQRZQ# ,PDJH 6PHDU# 0DWUL[ * T $###########- %OXUUHG# ,PDJH = T !#############E Source: Raskar, Agrawal and Tumblin. Coded Exposure Photography: Motion Deblurring via Fluttered Shutter. Proceedings of SIGGRAPH 2006. Deblurring Process A \ b Smear Matrix Blurred Image \ T Unknown Image = ?- Condition number for the smearing matrix is large- Thus invertibility is bad Source: Raskar, Agrawal and Tumblin. Coded Exposure Photography: Motion Deblurring via Fluttered Shutter. Proceedings of SIGGRAPH 2006. Source: Raskar, Agrawal and Tumblin. Coded Exposure Photography: Motion Deblurring via Fluttered Shutter. Proceedings of SIGGRAPH 2006. Source: Raskar, Agrawal and Tumblin. Coded Exposure Photography: Motion Deblurring via Fluttered Shutter. Proceedings of SIGGRAPH 2006. Input Image Source: Raskar, Agrawal and Tumblin. Coded Exposure Photography: Motion Deblurring via Fluttered Shutter. Proceedings of SIGGRAPH 2006. Rectified Crop Deblurred Result Source: Raskar, Agrawal and Tumblin. Coded Exposure Photography: Motion Deblurring via Fluttered Shutter. Proceedings of SIGGRAPH 2006. Source: Raskar, Agrawal and Tumblin. Coded Exposure Photography: Motion Deblurring via Fluttered Shutter. Proceedings of SIGGRAPH 2006. Source: Raskar, Agrawal and Tumblin. Coded Exposure Photography: Motion Deblurring via Fluttered Shutter. Proceedings of SIGGRAPH 2006. Deblurred Result Input Photo Source: Raskar, Agrawal and Tumblin. Coded Exposure Photography: Motion Deblurring via Fluttered Shutter. Proceedings of SIGGRAPH 2006. Traditional Camera Shutter is OPEN Our Camera Flutter Shutter Shutter is OPEN and CLOSED Comparison of Blurred Images Implementation Completely Portable itsubishi Electric Research Labs (MERL) Coding and Modulation in Cameras Flutter Shutter On PointGrey Camera Flutter Shutter On PointGrey Camera Dragonfly2 camera External Trigger Mode 5 Multiple Exposure Pulse Width Mode On Chip Fluttered Integration, no extra cost Courtesy of MERL. Used with permission. Lab Setup Blurring...
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MITMAS_531F09_lec11_1 - Camera Culture Camera Culture...

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