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Adaptive optics (AO) system performance is improved using post-processing techniques, such as point spread function (PSF) deconvolution. The PSF estimation involves characterization of the different wavefront (WF) error sources in the AO…

Instrumentation and Methods for Astrophysics · Physics 2018-08-29 Florian Ferreira , Eric Gendron , Gérard Rousset , Damien Gratadour

One of the greatest challenges in IC design is the repeated executions of computationally expensive SPICE simulations, particularly when highly complex chip testing/verification is involved. Recently, pseudo transient analysis (PTA) has…

Machine Learning · Computer Science 2021-08-03 Wei W. Xing , Xiang Jin , Yi Liu , Dan Niu , Weishen Zhao , Zhou Jin

By introducing a common representational system for metadata that describe the employed simulation workflows, diverse sources of data and platforms in computational molecular engineering, such as workflow management systems, can become…

Distributed, Parallel, and Cluster Computing · Computer Science 2019-12-20 M. T. Horsch , C. Niethammer , G. Boccardo , P. Carbone , S. Chiacchiera , M. Chiricotto , J. D. Elliott , V. Lobaskin , P. Neumann , P. Schiffels , M. A. Seaton , I. T. Todorov , J. Vrabec , W. L. Cavalcanti

Monte Carlo (MC) simulations, particularly using FLUKA, are essential for replicating real-world scenarios across scientific and engineering fields. Despite the robustness and versatility, FLUKA faces significant limitations in automation…

Artificial Intelligence · Computer Science 2024-10-22 Zavier Ndum Ndum , Jian Tao , John Ford , Yang Liu

In this paper, we introduce LLaVA-Octopus, a novel video multimodal large language model. LLaVA-Octopus adaptively weights features from different visual projectors based on user instructions, enabling us to leverage the complementary…

Computer Vision and Pattern Recognition · Computer Science 2026-04-21 Boyuan Sun , Jiaxing Zhao , Xiang Chen , Xihan Wei , Qibin Hou

We present an overview of Sherpa, an open source Python project, and discuss its development history, broad design concepts and capabilities. Sherpa contains powerful tools for combining parametric models into complex expressions that can…

Scientific optical 3D modeling requires the possibility to implement highly flexible and customizable mathematical models as well as high computing power. However, established ray tracing software for optical design and modeling purposes…

Computational Engineering, Finance, and Science · Computer Science 2023-08-15 Andrej Keksel , Samuel Schmidt , Dietrich Beck , Jörg Seewig

Airborne laser scanning (ALS) point cloud semantic segmentation is a fundamental task for large-scale 3D scene understanding. Fixed models deployed in real-world scenarios often suffer from performance degradation due to continuous domain…

Computer Vision and Pattern Recognition · Computer Science 2026-05-04 Yuan Gao , Shaobo Xia , Sheng Nie , Cheng Wang , Xiaohuan Xi , Bisheng Yang

We propose DeepASA, a multi-purpose model for auditory scene analysis that performs multi-input multi-output (MIMO) source separation, dereverberation, sound event detection (SED), audio classification, and direction-of-arrival estimation…

Audio and Speech Processing · Electrical Eng. & Systems 2026-04-16 Dongheon Lee , Younghoo Kwon , Jung-Woo Choi

We propose novel techniques that exploit data and computation sharing to improve the performance of complex stateful parallel computations, like agent-based simulations. Parallel computations are translated into behavioral equations, a…

Databases · Computer Science 2025-04-15 Zilu Tian , Dan Olteanu , Christoph Koch

Object-Oriented Programming (OOP) has become a crucial paradigm for managing the growing complexity of modern software systems, particularly in fields like machine learning, deep learning, large language models (LLM), and data analytics.…

Computation and Language · Computer Science 2025-12-24 Tianyang Wang , Ziqian Bi , Keyu Chen , Jiawei Xu , Qian Niu , Junyu Liu , Benji Peng , Ming Li , Sen Zhang , Xuanhe Pan , Jinlang Wang , Pohsun Feng , Yizhu Wen , Xinyuan Song , Ming Liu

Self-supervised adaptation (SSA) improves foundation model transfer to medical domains but is computationally prohibitive. Although parameter efficient fine-tuning methods such as LoRA have been explored for supervised adaptation, their…

Computer Vision and Pattern Recognition · Computer Science 2025-09-30 Moein Sorkhei , Emir Konuk , Jingyu Guo , Chanjuan Meng , Christos Matsoukas , Kevin Smith

Application-specific optical processors have been considered disruptive technologies for modern computing that can fundamentally accelerate the development of artificial intelligence (AI) by offering substantially improved computing…

Image and Video Processing · Electrical Eng. & Systems 2021-05-26 Tiankuang Zhou , Xing Lin , Jiamin Wu , Yitong Chen , Hao Xie , Yipeng Li , Jintao Fan , Huaqiang Wu , Lu Fang , Qionghai Dai

Vision-language models have demonstrated impressive capabilities as computer-use agents (CUAs) capable of automating diverse computer tasks. As their commercial potential grows, critical details of the most capable CUA systems remain…

Research in ultrasound imaging is limited in reproducibility by two factors: First, many existing ultrasound pipelines are protected by intellectual property, rendering exchange of code difficult. Second, most pipelines are implemented in…

Computer Vision and Pattern Recognition · Computer Science 2018-05-11 Rüdiger Göbl , Nassir Navab , Christoph Hennersperger

Adapting trajectories to dynamic situations and user preferences is crucial for robot operation in unstructured environments with non-expert users. Natural language enables users to express these adjustments in an interactive manner. We…

Robotics · Computer Science 2025-08-26 Anurag Maurya , Tashmoy Ghosh , Anh Nguyen , Ravi Prakash

This paper explores the challenges of integrating tactile sensing into intelligent systems for multimodal reasoning, particularly in enabling commonsense reasoning about the open-ended physical world. We identify two key challenges:…

Computer Vision and Pattern Recognition · Computer Science 2026-03-03 Ning Cheng , Jinan Xu , Jialing Chen , Bin Fang , Wenjuan Han

Computational acceleration of performance-metric-based materials discovery via high-throughput screening and machine learning methods is becoming widespread. Nevertheless, development and optimization of the opto-electronic properties that…

Materials Science · Physics 2019-06-10 Jonathon N. Baker , Preston C. Bowes , Joshua S. Harris , Douglas L. Irving

We present OPAL (Operant Physical Agent with Language), a novel vision-language-action architecture that introduces topological constraints to flow matching for robotic control. To do so, we further introduce topological attention. Our…

Transformer models serve as the backbone of many state-ofthe-art language models, and most use the scaled dot-product attention (SDPA) mechanism to capture relationships between tokens. However, the straightforward implementation of SDPA…

Hardware Architecture · Computer Science 2024-08-09 Gina Sohn , Nathan Zhang , Kunle Olukotun