Defocus simulation

バージョン 1.0.0.0 (84.8 KB) 作成者: Said Pertuz
Simulate shift-variant defocus blur
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更新 2016/1/26

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This function simulates the shift-variant defocus blur due to the limited depth of field of a digital camera. It works my mapping a source irrandiance (image) to a given depthmap and generates an image sequence at different focus positions using a gaussian PSF derived from geometrical optics. For a detailed description of its working principles, refer to appendix B in [1]. This defocus model has been used in [2] and [3]. For a demo, simply run 'blurdemo' at the matlab prompt.
References:
[1] S. Pertuz, Modeling and applications of the focus cue in conventional digital cameras. PhD thesis. Universitat Rovira i Virgili, 2013.
[2] S. Pertuz, D. Puig, M. A. Garcia, Analysis of focus measure operators for shape-from-focus, Pattern Recognition, 46(5): 1415-1432, 2013.
[3] S. Pertuz, D. Puig, M. A. Garcia, Reliability measure for shape-from-focus, Image and Vision Computing, Volume 31(10):725–734, 2013

引用

Said Pertuz (2024). Defocus simulation (https://www.mathworks.com/matlabcentral/fileexchange/55095-defocus-simulation), MATLAB Central File Exchange. 取得済み .

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作成: R2013a
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ヒントを与えたファイル: Shape from focus

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1.0.0.0

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