Utilization of image phase information to achieve super-sampling.

For image phase-based super-sampling, an image sequence consisting of slightly displaced frames is up-sampled, aligned, and averaged into a single larger image that possesses image resolution exceeding the limitations of the imaging system. This process obtains a significant portion of high-resolution phase information and models the missing magnitude using deconvolution or reconstruction algorithms. Three simulations are presented in which a 32-frame sequence with the size 256 by 256 pixels is processed to create a single 4096 by 4096 pixel image with pixel level resolution. An empirical test was also conducted showing resolution beyond the digital sampling resolution limit of the camera.

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