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In preparing the way for the Square Kilometre Array and its pathfinders, there is a pressing need to begin probing the transient sky in a fully robotic fashion using the current generation of radio telescopes. Effective exploitation of such…

Instrumentation and Methods for Astrophysics · Physics 2015-08-26 Tim D. Staley , Gemma E. Anderson

Ants3 is a toolkit that serves as a front-end for particle simulations in Geant4 and offers a custom simulator for optical photons. It features a fully interactive Graphical User Interface and an extensive scripting system based on…

Instrumentation and Detectors · Physics 2025-06-10 A. Morozov , L. M. S. Margato , G. Canezin , J. Gonzalez

Hydrodynamical simulations are increasingly able to accurately model physical systems on stellar, galactic, and cosmological scales, however, the utility of these simulations is often limited by our ability to directly compare them with the…

Instrumentation and Methods for Astrophysics · Physics 2017-09-26 Cameron Hummels , Britton Smith , Devin Silvia

Autonomous driving requires 3D maps that provide accurate and up-to-date information about semantic landmarks. Due to the wider availability and lower cost of cameras compared with laser scanners, vision-based mapping solutions, especially…

Computer Vision and Pattern Recognition · Computer Science 2022-01-20 Aziza Zhanabatyrova , Clayton Souza Leite , Yu Xiao

Image matting aims to predict alpha values of elaborate uncertainty areas of natural images, like hairs, smoke, and spider web. However, existing methods perform poorly when faced with highly transparent foreground objects due to the large…

Computer Vision and Pattern Recognition · Computer Science 2023-03-14 Huanqia Cai , Fanglei Xue , Lele Xu , Lili Guo

Over the past decade, data science and machine learning has grown from a mysterious art form to a staple tool across a variety of fields in academia, business, and government. In this paper, we introduce the concept of tree-based pipeline…

Machine Learning · Computer Science 2016-02-01 Randal S. Olson , Ryan J. Urbanowicz , Peter C. Andrews , Nicole A. Lavender , La Creis Kidd , Jason H. Moore

This paper presents a fully automatic framework for extracting editable 3D objects directly from a single photograph. Unlike previous methods which recover either depth maps, point clouds, or mesh surfaces, we aim to recover 3D objects with…

Computer Vision and Pattern Recognition · Computer Science 2020-05-29 Xin Chen , Yuwei Li , Xi Luo , Tianjia Shao , Jingyi Yu , Kun Zhou , Youyi Zheng

Image matting refers to predicting the alpha values of unknown foreground areas from natural images. Prior methods have focused on propagating alpha values from known to unknown regions. However, not all natural images have a specifically…

Computer Vision and Pattern Recognition · Computer Science 2022-09-07 Huanqia Cai , Fanglei Xue , Lele Xu , Lili Guo

Aerial image analysis at a semantic level is important in many applications with strong potential impact in industry and consumer use, such as automated mapping, urban planning, real estate and environment monitoring, or disaster relief.…

Computer Vision and Pattern Recognition · Computer Science 2016-05-27 Dragos Costea , Marius Leordeanu

Structure from Motion or the sparse 3D reconstruction out of individual photos is a long studied topic in computer vision. Yet none of the existing reconstruction pipelines fully addresses a progressive scenario where images are only…

Computer Vision and Pattern Recognition · Computer Science 2018-07-12 Alex Locher , Michal Havlena , Luc Van Gool

Visual inspection is a crucial yet time-consuming task across various industries. Numerous established methods employ machine learning in inspection tasks, necessitating specific training data that includes predefined inspection poses and…

Robotics · Computer Science 2023-12-06 O. Tasneem , R. Pieters

We have designed and prototyped the process steps for the batch production of large-area micro-channel-plate photomultipliers (MCP-PMT) using the "air-transfer" assembly process developed with single $LAPPD^{\text{TM}}$ modules. Results are…

Instrumentation and Detectors · Physics 2020-06-24 E. Angelico , A. Elagin , H. J. Frisch , E. Spieglan , B. W. Adams , M. R. Foley , M. J. Minot

Reliable parameter extraction from experimental data is central to quantitative analysis in spectroscopy, diffraction, photoluminescence, chromatography, microscopy, and time-resolved measurements. We present FitED, a Python-based desktop…

Data Analysis, Statistics and Probability · Physics 2026-05-04 Mustafa Mahmoud Aboulsaad

As an emerging medical diagnostic technology, photoacoustic imaging has been implemented for both preclinical and clinical applications. For clinical convenience, a handheld free scan photoacoustic tomography (PAT) system providing 3D…

Medical Physics · Physics 2022-03-18 Daohuai Jiang , Hongbo Chen , Yuting Shen , Yifan Zhang , Feng Gao , Rui Zheng , Fei Gao

Optical projection tomography (OPT) is a powerful tool for biomedical studies. It achieves 3D visualization of mesoscopic biological samples with high spatial resolution using conventional tomographic-reconstruction algorithms. However,…

Optics · Physics 2025-02-07 Yan Liu , Jonathan Dong , Thanh-an Pham , François Marelli , Michael Unser

This work presents AnyDoor, a diffusion-based image generator with the power to teleport target objects to new scenes at user-specified locations in a harmonious way. Instead of tuning parameters for each object, our model is trained only…

Computer Vision and Pattern Recognition · Computer Science 2024-05-09 Xi Chen , Lianghua Huang , Yu Liu , Yujun Shen , Deli Zhao , Hengshuang Zhao

Photometry of galaxies has typically focused on small, faint systems due to their interest for cosmological studies. Large angular size galaxies, on the other hand, offer a more detailed view into the properties of galaxies, but bring a…

Astrophysics · Physics 2007-05-23 J. Schombert

We present a low-cost, high-resolution solution for automated laser-beam profiling with axial translation. The device is based on a Raspberry Pi, Pi Noir CMOS camera, stepper motor and commercial translation stage. We also provide software…

Instrumentation and Detectors · Physics 2018-04-09 James Keaveney

Expensive sensors and inefficient algorithmic pipelines significantly affect the overall cost of autonomous machines. However, affordable robotic solutions are essential to practical usage, and their financial impact constitutes a…

Closed-set 3D perception models trained on only a pre-defined set of object categories can be inadequate for safety critical applications such as autonomous driving where new object types can be encountered after deployment. In this paper,…

Computer Vision and Pattern Recognition · Computer Science 2023-09-27 Mahyar Najibi , Jingwei Ji , Yin Zhou , Charles R. Qi , Xinchen Yan , Scott Ettinger , Dragomir Anguelov