Coded aperture

A Coded Aperture for Watermark Extraction from Defocused Images

© 2019, Springer Nature Switzerland AG. Barcodes and 2D codes are widely used for various purposes, such as electronic payments and product management. Special code readers, and consumer smartphones can be used to scan codes; thus concerns about …

Designing coded aperture camera based on PCA and NMF for light field acquisition

A light field, which is often understood as a set of dense multi-view images, has been utilized in various 2D/3D applications. Efficient light field acquisition using a coded aperture camera is the target problem considered in this paper. …

PCA-coded aperture for light field photography

A light field, which is often understood as a set of dense multi-view images, has been utilized in various 2D/3D applications. Efficient light field acquisition using a coded aperture camera is the target problem considered in this paper. …

Learning to capture light fields through a coded aperture camera

We propose a learning-based framework for acquiring a light field through a coded aperture camera. Acquiring a light field is a challenging task due to the amount of data. To make the acquisition process efficient, coded aperture cameras were …