English
Related papers

Related papers: Optical design and characterization of a multi-dep…

200 papers

Cataract is a common ophthalmic disease in which a cloudy area is formed in the lens of the eye and requires surgical removal and replacement of eye lens. Careful selection of the intraocular lens (IOL) is critical for the post-surgery…

Medical Physics · Physics 2023-04-04 Deniz Akyazi , Koray Kavakli , Ugur Aygun , Afsun Sahin , Hakan Urey

While self-supervised pretraining has reduced vision systems' reliance on synthetic data, simulation remains an indispensable tool for closed-loop optimization and rigorous out-of-distribution (OOD) evaluation. However, modern simulation…

Computer Vision and Pattern Recognition · Computer Science 2026-05-13 Wufei Ma , Chloe Wang , Siyi Chen , Jiawei Peng , Patrick Li , Alan Yuille

Networks of optical oscillators simulating coupled Ising spins have been recently proposed as a heuristic platform to solve hard optimization problems. These networks, called coherent Ising machines (CIMs), exploit the fact that the…

Emerging Technologies · Computer Science 2021-11-15 Marcello Calvanese Strinati , Davide Pierangeli , Claudio Conti

GALSIM is a collaborative, open-source project aimed at providing an image simulation tool of enduring benefit to the astronomical community. It provides a software library for generating images of astronomical objects such as stars and…

We introduce CatSIM, a new similarity metric for binary and multinary two- and three-dimensional images and volumes. CatSIM uses a structural similarity image quality paradigm and is robust to small perturbations in location so that…

Computer Vision and Pattern Recognition · Computer Science 2020-04-21 Geoffrey Z. Thompson , Ranjan Maitra

Intraoperative optical imaging is a localization technique for the functional areas of the human brain cortex during neurosurgical procedures. These areas can be assessed by monitoring cerebral hemodynamics and metabolism. A robust…

The Deformable Mirror Simulator (DMS) is an optical device reproducing the F/13 beam from the adaptive secondary mirror of the Very Large Telescope UT4. The system has been designed and integrated as a test tool for the calibration and…

Instrumentation and Methods for Astrophysics · Physics 2022-07-29 Runa Briguglio , Armando Riccardi , Luca Carbonaro , Enrico Pinna , Chiara Selmi , Paolo Grani

Studying the rapid variability of many astronomical objects is key to understanding the underlying processes at play. However, a combination of limited telescope availability, viewing constraints, and the unpredictable nature of many…

Instrumentation and Methods for Astrophysics · Physics 2024-03-15 John A. Paice , Poshak Gandhi , Ranjeev Misra

We present the design and assembly of a cavity microscope for quantum simulations with ultracold atoms. The system integrates a high-finesse optical cavity with a pair of high-numerical aperture lenses sharing a common optical axis,…

Ising machines are emerging as a powerful physical alternative to digital processors for solving combinatorial optimization problems. Among them, spatial photonic Ising machines (SPIMs) offer compact, room-temperature hardware with…

3-D object detection based on 4-D radar-vision is an important part in Internet of Vehicles (IoV). However, there are two challenges which need to be faced. First, the 4-D radar point clouds are sparse, leading to poor 3-D representation.…

Computer Vision and Pattern Recognition · Computer Science 2026-02-03 Shucong Li , Xiaoluo Zhou , Yuqian He , Zhenyu Liu

A prototype of a low cost Adaptive Optics (AO) system has been developed at the Instituto de Astrofisica de Andalucia (CSIC) and tested at the 2.2m telescope of the Calar Alto observatory. We present here the status of the project, which…

Instrumentation and Methods for Astrophysics · Physics 2015-05-19 J. Aceituno , S. F. Sanchez , J. L. Ortiz , F. J. Aceituno

Autonomous robots in endovascular operations have the potential to navigate circulatory systems safely and reliably while decreasing the susceptibility to human errors. However, there are numerous challenges involved with the process of…

The INTEGRAL satellite is an observatory-class gamma-ray telescope due for launch in early 2002. It comprises two main instruments, one optimised for imaging (IBIS) and the other for spectroscopy (SPI). The PICsIT telescope is the high…

Astrophysics · Physics 2007-05-23 J. B. Stephen , L. Foschini

In the past few decades, autonomous driving algorithms have made significant progress in perception, planning, and control. However, evaluating individual components does not fully reflect the performance of entire systems, highlighting the…

Computer Vision and Pattern Recognition · Computer Science 2024-12-03 Hongyu Zhou , Longzhong Lin , Jiabao Wang , Yichong Lu , Dongfeng Bai , Bingbing Liu , Yue Wang , Andreas Geiger , Yiyi Liao

We propose a network of open-dissipative quantum oscillators with optical error correction circuits. In the proposed network, the squeezed/anti-squeezed vacuum states of the constituent optical parametric oscillators below the threshold…

Quantum Physics · Physics 2021-08-18 Sam Reifenstein , Satoshi Kako , Farad Khoyratee , Timothée Leleu , Yoshihisa Yamamoto

We introduce neural lithography to address the 'design-to-manufacturing' gap in computational optics. Computational optics with large design degrees of freedom enable advanced functionalities and performance beyond traditional optics.…

Optics · Physics 2023-10-02 Cheng Zheng , Guangyuan Zhao , Peter T. C. So

We present a web-based software tool, the Virtual Quantum Optics Laboratory (VQOL), that may be used for designing and executing realistic simulations of quantum optics experiments. A graphical user interface allows one to rapidly build and…

Quantum Physics · Physics 2022-10-20 Brian R. La Cour , Maria Maynard , Parth Shroff , Gabriel Ko , Evan Ellis

Purpose: The integration of multimodal imaging into operating rooms paves the way for comprehensive surgical scene understanding. In ophthalmic surgery, by now, two complementary imaging modalities are available: operating microscope (OPMI)…

Computer Vision and Pattern Recognition · Computer Science 2026-03-27 Nikolo Rohrmoser , Ghazal Ghazaei , Michael Sommersperger , Nassir Navab

A unique sample independent 3D self calibration methodology is tested on a unique optical coherence tomography and multi-spectral scanning laser ophthalmoscope (OCT-SLO) hybrid system. Operators visual cognition is replaced by computer…

Medical Physics · Physics 2024-08-08 Mayank Goswami
‹ Prev 1 2 3 10 Next ›