Demonstration of rapid frequency selective reconstruction for image resolution enhancement

Abstract

Most algorithms for processing, transmitting, or displaying images require the samples being placed on a regular grid. However, there exist imaging scenarios where the samples to be processed are located on a mesh with non-integer positions. This happens for example in image super-resolution, image warping, image registration, or image acquisition using random sampling sensors. In addition, sampling an image at non-regular sensor positions offers several advantages, as the effective spatial resolution of an imaging sensor can be increased as shown in [1].