Proposal of A New Method for Acquiring Super High Definition Pictures with Two Cameras and Its Theoretical Analysis

Abstract

The method of image aquisition is one of the principal problems for handling super high definition pictures. This paper proposes a new method for acquiring high resolution pictures by processing two images taken with two different cameras. The method integrates two images into a higher resolution image. Compared to an imaging device with equivalent resolution, it will be less sensitive to the shot noise which becomes more dominant at the pixel size is reduced. Our theoretical analysis clearly shows the improvement in the high frequencies and details. The aperture effect determines the upper bound in the performance using this method. When the aperture ratio is 100%, the resolution improvement is limited to twice the original sampling frequency. Additionally, using more than two cameras, SNR of the reconstructed image improves even in the case of 100% aperture ratio. This means that the pixel size can be further reduced when extra cameras are used.