Adrian Stern
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View article: Overview of photon-counted three-dimensional imaging and related applications
Overview of photon-counted three-dimensional imaging and related applications Open
Due to its detailed spatial mapping capability, three-dimensional (3D) imaging has became an indispensable tool for numerous scientific applications, including medical diagnostics, industrial inspection, autonomous navigation, environmenta…
View article: Invisible CMOS Camera Dazzling for Conducting Adversarial Attacks on Deep Neural Networks
Invisible CMOS Camera Dazzling for Conducting Adversarial Attacks on Deep Neural Networks Open
Despite the outstanding performance of deep neural networks, they remain vulnerable to adversarial attacks. While digital domain adversarial attacks are well-documented, most physical-world attacks are typically visible to the human eye. H…
View article: Roadmap on Optics and Photonics for Security and Encryption
Roadmap on Optics and Photonics for Security and Encryption Open
International audience
View article: Denoising 3D integral images by a single-shot unsupervised deep neural network
Denoising 3D integral images by a single-shot unsupervised deep neural network Open
Integral imaging is a passive three-dimensional imaging technique that captures the radiance field through an array of apertures, offering promising applications in various fields such as 3D microscopy, metrology, and augmented reality, am…
View article: Focus issue introduction: 3D image acquisition and display: technology, perception and applications
Focus issue introduction: 3D image acquisition and display: technology, perception and applications Open
This Feature Issue of Optics Express is organized in conjunction with the 2023 Optica conference on 3D Image Acquisition and Display: Technology, Perception and Applications which was held from 14 to 17 208 of August as part of the 2023 Im…
View article: Roadmap on computational methods in optical imaging and holography [invited]
Roadmap on computational methods in optical imaging and holography [invited] Open
Computational methods have been established as cornerstones in optical imaging and holography in recent years. Every year, the dependence of optical imaging and holography on computational methods is increasing significantly to the extent …
View article: Imperceptible CMOS camera dazzle for adversarial attacks on deep neural networks
Imperceptible CMOS camera dazzle for adversarial attacks on deep neural networks Open
Despite the outstanding performance of deep neural networks, they are vulnerable to adversarial attacks. While there are many invisible attacks in the digital domain, most physical world adversarial attacks are visible. Here we present an …
View article: Compressive hyperspectral microscopy for cancer detection
Compressive hyperspectral microscopy for cancer detection Open
CS hyperspectral microscopy was successfully demonstrated on a common lab microscope for measuring biopsies stained with the most common stains, such as hematoxylin and eosin. The high spectral resolution demonstrated here in a rather shor…
View article: Focus Issue Introduction: 3D Image Acquisition and Display: Technology, Perception and Applications
Focus Issue Introduction: 3D Image Acquisition and Display: Technology, Perception and Applications Open
This Feature Issue of Optics Express is organized in conjunction with the 2022 Optica conference on 3D Image Acquisition and Display: Technology, Perception and Applications which was held in hybrid format from 11 to 15, July 2022 as part …
View article: Learned Design of a Compressive Hyperspectral Imager for Remote Sensing by a Physics-Constrained Autoencoder
Learned Design of a Compressive Hyperspectral Imager for Remote Sensing by a Physics-Constrained Autoencoder Open
Designing and optimizing systems by end-to-end deep learning is a recently emerging field. We present a novel physics-constrained autoencoder (PyCAE) for the design and optimization of a physically realizable sensing model. As a case study…
View article: Focus issue introduction: 3D image acquisition and display: technology, perception and applications
Focus issue introduction: 3D image acquisition and display: technology, perception and applications Open
This Feature Issue of Optics Express is organized in conjunction with the 2021 Optica (OSA) conference on 3D Image Acquisition and Display: Technology, Perception and Applications which was held virtually from 19 to 23, July 2021 as part o…
View article: Compressive imaging for thwarting adversarial attacks on 3D point cloud classifiers
Compressive imaging for thwarting adversarial attacks on 3D point cloud classifiers Open
Three dimensional (3D) point cloud classifiers are used extensively in safety crucial applications such as autonomous cars, face recognition, military applications, and many more. Despite the critical importance of their reliability, 3D cl…
View article: Progressive Compressive Sensing of Large Images with Multiscale Deep Learning Reconstruction
Progressive Compressive Sensing of Large Images with Multiscale Deep Learning Reconstruction Open
Compressive sensing (CS) is a sub-Nyquist sampling framework that has been employed to improve the performance of numerous imaging applications during the last fifteen years. Yet, its application for large and high-resolution imaging remai…
View article: A Simplified Model for Optical Systems with Random Phase Screens
A Simplified Model for Optical Systems with Random Phase Screens Open
A first-order optical system with arbitrary multiple masks placed at arbitrary positions is the basic scheme of various optical systems. Generally, masks in optical systems have a non-shift invariant (SI) effect; thus, the individual effec…
View article: Theoretical investigation of using a yellow (577nm) laser for diabetic retinopathy
Theoretical investigation of using a yellow (577nm) laser for diabetic retinopathy Open
We present a theoretical analysis of laser coagulation for diabetic retinopathy (DR) eye surgery procedures. Using a Monte-Carlo multi-layer (MCML) simulation and a finite element model of the human eye, we derive the optimal surgery condi…
View article: Roadmap on 3D integral imaging: sensing, processing, and display
Roadmap on 3D integral imaging: sensing, processing, and display Open
This Roadmap article on three-dimensional integral imaging provides an overview of some of the research activities in the field of integral imaging. The article discusses various aspects of the field including sensing of 3D scenes, process…
View article: DeepCubeNet: reconstruction of spectrally compressive sensed hyperspectral images with deep neural networks
DeepCubeNet: reconstruction of spectrally compressive sensed hyperspectral images with deep neural networks Open
Several hyperspectral (HS) systems based on compressive sensing (CS) theory have been presented to capture HS images with high accuracy and with a lower number of measurements than needed by conventional systems. However, the reconstructio…
View article: Fast Method for Liquid Crystal Cell Spatial Variations Estimation Based on Modeling the Spectral Transmission
Fast Method for Liquid Crystal Cell Spatial Variations Estimation Based on Modeling the Spectral Transmission Open
Liquid crystal phase retarders are utilized by photonic devices and imaging systems for various applications, such as tunable filtering, light modulation, polarimetric imaging, remote sensing and quality inspection. Due to technical diffic…
View article: Compressive Sensing Hyperspectral Imaging by Spectral Multiplexing with Liquid Crystal
Compressive Sensing Hyperspectral Imaging by Spectral Multiplexing with Liquid Crystal Open
Hyperspectral (HS) imaging involves the sensing of a scene’s spectral properties, which are often redundant in nature. The redundancy of the information motivates our quest to implement Compressive Sensing (CS) theory for HS imaging. This …
View article: Modeling optical memory effects with phase screens
Modeling optical memory effects with phase screens Open
During the last decade, optical memory effects have been explored extensively for various applications. In this letter we propose phase screen models to facilitate the analysis and the simulation of wave propagation through optical media t…
View article: Roadmap on optical security
Roadmap on optical security Open
The status and prospects for the use of optical multiple-scattering materials as physical unclonable function for authentication is reviewed.
View article: Along-track scanning using a liquid crystal compressive hyperspectral imager
Along-track scanning using a liquid crystal compressive hyperspectral imager Open
In various applications, such as remote sensing and quality inspection, hyperspectral (HS) imaging is performed by spatially scanning an object. In this work, we present a new compressive hyperspectral imaging method that performs along-tr…
View article: Miniature Compressive Ultra-spectral Imaging System Utilizing a Single Liquid Crystal Phase Retarder
Miniature Compressive Ultra-spectral Imaging System Utilizing a Single Liquid Crystal Phase Retarder Open
Spectroscopic imaging has been proved to be an effective tool for many applications in a variety of fields, such as biology, medicine, agriculture, remote sensing and industrial process inspection. However, due to the demand for high spect…
View article: Three-Dimensional Imaging With Multiple Degrees of Freedom Using Data Fusion
Three-Dimensional Imaging With Multiple Degrees of Freedom Using Data Fusion Open
This paper presents an overview of research work\n\t\t\t\t and some novel strategies and results on using data fusion in\n\t\t\t\t 3-D imaging when using multiple information sources. We examine\n\t\t\t\t a variety of approaches and applic…
View article: Sparse synthetic aperture with Fresnel elements (S-SAFE) using digital incoherent holograms
Sparse synthetic aperture with Fresnel elements (S-SAFE) using digital incoherent holograms Open
Creating a large-scale synthetic aperture makes it possible to break the resolution boundaries dictated by the wave nature of light of common optical systems. However, their implementation is challenging, since the generation of a large si…