Publications by Sepand Kashani

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Computational Imaging (CI) is the field concerned with reconstructing images of some quantity of interest from a finite number of measurements. It is pervasive in science and engineering problems by enabling the reconstruction of images from a variety of m ...

The Bluebild algorithm is a new technique for image synthesis in radio astronomy which decomposes the sky into distinct energy levels using functional principal component analysis. These levels can be linearly combined to construct a least-squares estimate ...

Context. Imaging in radio interferometry requires solving an ill-posed noisy inverse problem, for which the most adopted algorithm is the original CLEAN algorithm and its variants. Alternative explicit optimization methods have gained increasing attention, ...

This toolkit has everything you need to perform imaging with a lensless camera. We make use of a low-cost implementation of DiffuserCam, namely replacing the lens with a piece of tape and using the Raspberry Pi HQ camera sensor. Similar principles and meth ...

Fourier transforms are an often necessary component in many computational tasks, and can be computed efficiently through the fast Fourier transform (FFT) algorithm. However, many applications involve an underlying continuous signal, and a more natural choi ...

We propose a recurrent neural-network for real-time reconstruction of acoustic camera spherical maps. The network, dubbed DeepWave, is both physically and algorithmically motivated: its recurrent architecture mimics iterative solvers from convex optimisati ...

Sepand Kashani

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Computational Imaging: a Multi-Facet Perspective

BIPP: An efficient HPC implementation of the Bluebild algorithm for radio astronomy

PolyCLEAN: Atomic optimization for super-resolution imaging and uncertainty estimation in radio interferometry

LenslessPiCam: A Hardware and Software Platform for Lensless Computational Imaging with a Raspberry Pi

pyFFS: A Python Library for Fast Fourier Series Computation and Interpolation with GPU Acceleration

DeepWave: A Recurrent Neural-Network for Real-Time Acoustic Imaging