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Make images in-focus at every pixel with the dual-pixel cameras in smartphones

Make images in-focus at every pixel with the dual-pixel cameras in smartphones


Defocus Map Estimation and Deblurring from a Single Dual-Pixel Image

arXiv paper abstract https://arxiv.org/abs/2110.05655



... a method that takes as input a single dual-pixel image, and simultaneously estimates the image's defocus map -- the amount of defocus blur at each pixel -- and recovers an all-in-focus image.


... method is inspired from recent works that leverage the dual-pixel sensors available in many consumer cameras to assist with autofocus, and use them for recovery of defocus maps or all-in-focus images.


... set up an optimization problem that, by carefully modeling the optics of dual-pixel images, jointly solves both problems.


... use data captured with a consumer smartphone camera to demonstrate that, after a one-time calibration step, our approach improves upon prior works for both defocus map estimation and blur removal, despite being entirely unsupervised.



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