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Radiology Report Generation (RRG) aims to produce accurate and coherent diagnostics from medical images. Although large vision language models (LVLM) improve report fluency and accuracy, they exhibit hallucinations, generating plausible yet…

Computation and Language · Computer Science 2026-02-05 Ruixiao Yang , Yuanhe Tian , Xu Yang , Huiqi Li , Yan Song

A new algorithm for solving large-scale convex optimization problems with a separable objective function is proposed. The basic idea is to combine three techniques: Lagrangian dual decomposition, excessive gap and smoothing. The main…

Optimization and Control · Mathematics 2011-12-01 Tran Dinh Quoc , Carlo Savorgnan , Moritz Diehl

Conventional machine learning systems that operate on natural images assume the presence of attributes within the images that lead to some decision. However, decisions in medical domain are a resultant of attributes within medical…

Image and Video Processing · Electrical Eng. & Systems 2022-06-28 Yash-yee Logan , Mohit Prabhushankar , Ghassan AlRegib

Multiscale modeling and analysis of multiphysics coupling processes in highly heterogeneous media present significant challenges. In this paper, we propose a novel multiphysics embedding localized orthogonal decomposition (ME-LOD) method…

Numerical Analysis · Mathematics 2025-07-21 Yuzhou Nan , Yajun Wang , Changqing Ye , Xiaofei Guan

In this paper, an iterative method for robust deconvolution with positivity constraints is discussed. It is based on the known variational interpretation of the Richardson-Lucy iterative deconvolution as fixed-point iteration for the…

Computer Vision and Pattern Recognition · Computer Science 2017-09-22 Martin Welk

We have measured the redshifts and single-aperture velocity dispersions of eight lens galaxies using the data collected by the Echellette Spectrograph and Imager (ESI) and Low Resolution Imaging Spectrometer (LRIS) at W.M. Keck observatory…

Cosmology and Nongalactic Astrophysics · Physics 2023-03-29 P. Mozumdar , C. D. Fassnacht , T. Treu , C. Spiniello , A. J. Shajib

Image Phase Alignment Super-sampling (ImPASS) is a computational method for combining displaced low-resolution images into a single high-resolution image. The general steps include measuring the relative displacements, up-sampling, aligning…

Optics · Physics 2026-01-09 James N. Caron

We extend the measurement range of optical correlation-domain reflectometry (OCDR) by modulating the laser output frequency at two frequencies, while preserving spatial resolution. We demonstrate distributed reflectivity sensing with a…

Instrumentation and Detectors · Physics 2023-09-06 Mana Sakamoto , Tomoya Miyamae , Kohei Noda , Kentaro Nakamura , Heeyoung Lee , Yosuke Mizuno

Federated inference enhances LLM performance in edge computing through weighted averaging of distributed model predictions. However, autoregressive LLM inference requires frequent full-model forward passes across workers, severely limiting…

Signal Processing · Electrical Eng. & Systems 2026-04-29 Ce Zheng , Xinghan Wang , Jiahong Ning , Yuxuan Shi , Ning Huang , Tingting Yang

We studied the recall efficiency as a function of optical depth of rephased amplified spontaneous emission (RASE), a protocol for generating entangled light. The experiments were performed on the $^{3}\! H_{4}$ $\rightarrow$ $^{1}\! D_{2}$…

An improved Iterative Physical Optics (IPO) image approximation method has been presented to dramatically increase the accuracy of the approximation and extend its applicability to PEC surfaces with smaller radii or larger curvatures.…

Classical Physics · Physics 2020-07-07 Shaolin Liao , Lu Ou

The energy gain in laser wakefield accelerators is limited by dephasing between the driving laser pulse and the highly relativistic electrons in its wake. Since this phase depends on both the driver and the cavity length, the effects of…

Accelerator Physics · Physics 2016-05-04 A. Döpp , E. Guillaume , C. Thaury , A. Lifschitz , K. Ta Phuoc , V. Malka

A novel deflection effect of an intense laser beam with spin angular momentum is revealed theoretically by an analytical modeling using radiation pressure and momentum balance of laser plasma interaction in the relativistic regime, as a…

Plasma Physics · Physics 2019-12-16 Y. H. Tang , Z. Gong , J. Q. Yu , Y. R. Shou , X. Q. Yan

Non-line-of-sight (NLOS) imaging relies on collecting light that is rendered incoherent from the multiple scattering events and is then post-processed to provide an estimate of the hidden scene. Here we employ coherent phase control of the…

Optics · Physics 2019-12-25 Ilya Starshynov , Omair Ghafur , James Fitches , Daniele Faccio

Transposed convolution is crucial for generating high-resolution outputs, yet has received little attention compared to convolution layers. In this work we revisit transposed convolution and introduce a novel layer that allows us to place…

Computer Vision and Pattern Recognition · Computer Science 2022-10-19 Stefano B. Blumberg , Daniele Raví , Mou-Cheng Xu , Matteo Figini , Iasonas Kokkinos , Daniel C. Alexander

Laser manipulation plays a critical role in precisely tailoring relativistic electron beams through energy modulation, enabling the generation of coherent, intense, and ultrashort radiation in accelerator-based light sources such as…

Accelerator Physics · Physics 2025-12-29 Hanxiang Yang , Nanshun Huang , Zipeng Liu , Shengbin Ye , Wencai Cheng , Shudong Zhou , Cheng Yu , Tao Liu , Haixiao Deng

A new instrument for spot profile analysis of electron diffraction - SPA-LEED - has been set up. The instrument works either with a transparent phosphor screen for visual inspection of the pattern or in its main mode with a channeltron for…

Materials Science · Physics 2015-01-30 U. Scheithauer , G. Meyer , M. Henzler

Eye tracking is an important tool with a wide range of applications in Virtual, Augmented, and Mixed Reality (VR/AR/MR) technologies. State-of-the-art eye tracking methods are either reflection-based and track reflections of sparse point…

Computer Vision and Pattern Recognition · Computer Science 2023-03-10 Tianfu Wang , Jiazhang Wang , Oliver Cossairt , Florian Willomitzer

A polarization camera can capture four linear polarized images with different polarizer angles in a single shot, which is useful in polarization-based vision applications since the degree of linear polarization (DoLP) and the angle of…

Computer Vision and Pattern Recognition · Computer Science 2025-05-19 Chu Zhou , Minggui Teng , Xinyu Zhou , Chao Xu , Imari Sato , Boxin Shi

We proposed and experimentally demonstrated a new hybrid code structure based on the overlapping of two light sources to produce the effect of multi-voltage amplitudes. And we also proposed an efficient polarity reversal threshold (RRT)…

Image and Video Processing · Electrical Eng. & Systems 2022-01-19 Zihao Zhou , Maolin Li , Weipeng Guan