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A new open-source image processing pipeline for analyzing camera trap time-lapse recordings is described. This pipeline includes machine learning models to assist human-in-the-loop video segmentation and animal re-identification. We present…

Computer Vision and Pattern Recognition · Computer Science 2022-06-13 Michael L. Hilton , Mark T. Yamane , Leah M. Knezevich

We present n-CPS - a generalisation of the recent state-of-the-art cross pseudo supervision (CPS) approach for the task of semi-supervised semantic segmentation. In n-CPS, there are n simultaneously trained subnetworks that learn from each…

Computer Vision and Pattern Recognition · Computer Science 2022-04-12 Dominik Filipiak , Piotr Tempczyk , Marek Cygan

The Cameras for Allsky Meteor Surveillance (CAMS) project, funded by NASA starting in 2010, aims to map our meteor showers by triangulating meteor trajectories detected in low-light video cameras from multiple locations across 16 countries…

Earth and Planetary Astrophysics · Physics 2023-08-08 Siddha Ganju , Amartya Hatua , Peter Jenniskens , Sahyadri Krishna , Chicheng Ren , Surya Ambardar

We describe the InfraRed Data Reduction (IRDR) software package, a small ANSI C library of fast image processing routines for automated pipeline reduction of infrared (dithered) observations. We developed the software to satisfy certain…

Astrophysics · Physics 2007-05-23 Chris N. Sabbey , Richard G. McMahon , James R. Lewis , Mike J. Irwin

We describe a system that builds a high dynamic-range and wide-angle image of the night sky by combining a large set of input images. The method makes use of pixel-rank information in the individual input images to improve a "consensus"…

Computer Vision and Pattern Recognition · Computer Science 2014-06-09 Dustin Lang , David W. Hogg , Bernhard Scholkopf

Writing high-performance image processing code is challenging and labor-intensive. The Halide programming language simplifies this task by decoupling high-level algorithms from "schedules" which optimize their implementation. However, even…

Human-Computer Interaction · Computer Science 2024-11-08 Yuka Ikarashi , Jonathan Ragan-Kelley , Tsukasa Fukusato , Jun Kato , Takeo Igarashi

HSTCosmicrays is a python-based pipeline designed to find and characterize cosmic rays found in dark frames (exposures taken with the shutter closed). Dark exposures are obtained routinely by all the Hubble Space Telescope (HST) instruments…

Instrumentation and Methods for Astrophysics · Physics 2020-11-24 N. D. Miles , S. Deustua , G. Tancredi

In multimedia understanding tasks, corrupted samples pose a critical challenge, because when fed to machine learning models they lead to performance degradation. In the past, three groups of approaches have been proposed to handle noisy…

Computer Vision and Pattern Recognition · Computer Science 2024-03-01 Francesco Barbato , Umberto Michieli , Mehmet Kerim Yucel , Pietro Zanuttigh , Mete Ozay

Compiling high-level programs to target high-speed packet-processing pipelines is a challenging combinatorial optimization problem. The compiler must configure the pipeline's resources to match the high-level semantics of the program, while…

Networking and Internet Architecture · Computer Science 2022-11-22 Xiangyu Gao , Divya Raghunathan , Ruijie Fang , Tao Wang , Xiaotong Zhu , Anirudh Sivaraman , Srinivas Narayana , Aarti Gupta

This report presents the results of a sky detection technique used to improve the performance of a previously developed partial differential equation (PDE)-based hazy image enhancement algorithm. Additionally, a proposed alternative method…

Computer Vision and Pattern Recognition · Computer Science 2018-03-13 Uche A. Nnolim

Computer vision techniques enable automated detection of sky pixels in outdoor imagery. In urban climate, sky detection is an important first step in gathering information about urban morphology and sky view factors. However, obtaining…

Computer Vision and Pattern Recognition · Computer Science 2019-12-30 Kerry A. Nice , Jasper S. Wijnands , Ariane Middel , Jingcheng Wang , Yiming Qiu , Nan Zhao , Jason Thompson , Gideon D. P. A. Aschwanden , Haifeng Zhao , Mark Stevenson

Understanding porous media flow is inherently a multi-scale challenge, where at the core lies the aggregation of pore-level processes to a continuum, or Darcy-scale, description. This challenge is directly mirrored in image processing,…

Mathematical Software · Computer Science 2023-01-16 Jan Martin Nordbotten , Benyamine Benali , Jakub Wiktor Both , Bergit Brattekås , Erlend Storvik , Martin A. Fernø

The International Liquid Mirror Telescope (ILMT) is a 4-meter survey telescope continuously observing towards the zenith in the SDSS g', r', and i' bands. This survey telescope is designed to detect various astrophysical transients (for…

Noise, an unwanted component in an image, can be the reason for the degradation of Image at the time of transmission or capturing. Noise reduction from images is still a challenging task. Digital Image Processing is a component of Digital…

Image and Video Processing · Electrical Eng. & Systems 2024-10-31 Sahil Ali Akbar , Ananya Verma

The DrizzlePac package includes tasks for aligning and drizzling images taken with the Hubble Space Telescope. We present this release which includes new features that facilitate image alignment, sky matching, and adds support for new time…

Instrumentation and Methods for Astrophysics · Physics 2014-11-21 Roberto J. Avila , Warren Hack , Mihai Cara , David Borncamp , Jennifer Mack , Linda Smith , Leonardo Ubeda

In this paper we review THELI (Erben & Schrimer, 2005), an image processing pipeline developed to reduce multi-pointing optical images taken by mosaic CCD cameras. This pipeline works on raw images by removing several instrumental…

Instrumentation and Methods for Astrophysics · Physics 2013-09-04 R. Joveini , S. Sotoudeh , A. Roozrokh , M. Taheri

This book chapter reviews progress in crystallographic image processing (CIP) for scanning probe microscopy (SPM) that has occurred since our description of the technique was first put into open access in this book series in the year 2010.…

Materials Science · Physics 2020-12-02 Peter Moeck

In this work, we introduce the new scene understanding task of Part-aware Panoptic Segmentation (PPS), which aims to understand a scene at multiple levels of abstraction, and unifies the tasks of scene parsing and part parsing. For this…

Computer Vision and Pattern Recognition · Computer Science 2021-06-14 Daan de Geus , Panagiotis Meletis , Chenyang Lu , Xiaoxiao Wen , Gijs Dubbelman

Painterly image harmonization aims to harmonize a photographic foreground object on the painterly background. Different from previous auto-encoder based harmonization networks, we develop a progressive multi-stage harmonization network,…

Computer Vision and Pattern Recognition · Computer Science 2023-12-19 Li Niu , Yan Hong , Junyan Cao , Liqing Zhang