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
arXiv PDF paper https://arxiv.org/pdf/2110.05655.pdf
... 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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