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Increasing spatial image resolution is an often required, yet challenging task in image acquisition. Recently, it has been shown that it is possible to obtain a high resolution image by covering a low resolution sensor with a non-regular sampling mask. Due to the masking, however, some pixel information in the resulting high resolution image is not available and has to be reconstructed by an efficient...
Up to now, an increase in camera resolution required image sensors with more and more pixels. However, acquisition systems are limited in their pixels per second throughput given as power and complexity constraints. Simply capturing more pixels in a given system is often not possible. We propose a new non-regular imaging architecture that samples only few pixels and reconstructs a high resolution...
We present an opto-electronic sub-pixel shifting method for resolution enhancement in monochromatic imaging. It is based on a Spatial Light Modulator (SLM) in the Fourier domain of a 4f-configuration. The SLM is used to modulate the incident light with the transfer function of a lateral subpixel shift. Therefore, a set of laterally shifted representations of the wave field incident on the 4f-setup...
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