Multifocal Projection: A Multiprojector Technique for Increasing Focal Depth
IEEE Transactions on Visualization and Computer Graphics
Projection defocus analysis for scene capture and image display
ACM SIGGRAPH 2006 Papers
Image Pre-Conditioning for Out-of-Focus Projector Blur
CVPR '06 Proceedings of the 2006 IEEE Computer Society Conference on Computer Vision and Pattern Recognition - Volume 2
Image and depth from a conventional camera with a coded aperture
ACM SIGGRAPH 2007 papers
ACM Transactions on Graphics (TOG)
Adaptive coded aperture photography
ISVC'11 Proceedings of the 7th international conference on Advances in visual computing - Volume Part I
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We integrate a coded aperture into an off-the-shelf projector to increase its depth of field. With the measured regional defocus on the screen surface, projected images are deconvolved with locally scaled aperture codes. This leads to better results than deconvolving with Gaussian PSFs in cases where regular spherical apertures are used. We achieve interactive frame-rates of up to 16 f ps for an XGA resolution.