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This work examines the findings of the NTIRE 2025 Shadow Removal Challenge. A total of 306 participants have registered, with 17 teams successfully submitting their solutions during the final evaluation phase. Following the last two…

Launched in 2013, LivDet-Iris is an international competition series open to academia and industry with the aim to assess and report advances in iris Presentation Attack Detection (PAD). This paper presents results from the fourth…

This paper considers wave-based imaging through a heterogeneous (random) scattering medium. The goal is to estimate the support of the reflectivity function of a remote scene from measurements of the backscattered wave field. The proposed…

Image and Video Processing · Electrical Eng. & Systems 2021-05-27 Liliana Borcea , Josselin Garnier

Face presentation attack detection (PAD) has received increasing attention ever since the vulnerabilities to spoofing have been widely recognized. The state of the art in unimodal and multi-modal face anti-spoofing has been assessed in…

Computer Vision and Pattern Recognition · Computer Science 2021-12-22 Zitong Yu , Jukka Komulainen , Xiaobai Li , Guoying Zhao

Brain tumor segmentation is essential for the diagnosis and prognosis of patients with gliomas. The brain tumor segmentation challenge has continued to provide a great source of data to develop automatic algorithms to perform the task. This…

Image and Video Processing · Electrical Eng. & Systems 2021-12-10 Huan Minh Luu , Sung-Hong Park

We present an effective method for Intracranial Hemorrhage Detection (IHD) which exceeds the performance of the winner solution in RSNA-IHD competition (2019). Meanwhile, our model only takes quarter parameters and ten percent FLOPs…

Computer Vision and Pattern Recognition · Computer Science 2022-06-08 Fangxin Shang , Siqi Wang , Xiaorong Wang , Yehui Yang

Infrared Imaging Video Bolometer (IRVB) measures total radiation power loss from plasma in 2 dimensions through a pinhole camera geometry. Where a free-standing thin metal foil act as a broad band absorber from Soft X-Rays to IR radiation.…

Plasma Physics · Physics 2026-05-19 Vinit Pandya , Santosh P. Pandya , Ansh Patel , Kumudni Tahiliani , Kumar Ajay

This paper presents a comprehensive review of the NTIRE 2026 Low Light Image Enhancement Challenge, highlighting the proposed solutions and final results. The objective of this challenge is to identify effective networks capable of…

Photometric observations of 235 extragalactic objects that are potential targets for the Space Interferometry Mission (SIM) are presented. Mean B, V, R, I magnitudes at the 5% level are obtained at 1 - 4 epochs between 2005 and 2007 using…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-13 Roopesh Ojha , Norbert Zacharias , Gregory S. Hennessey , Ralph A. Gaume , Kenneth J. Johnston

Inferring sky surface brightness distributions from noisy interferometric data in a principled statistical framework has been a key challenge in radio astronomy. In this work, we introduce Imaging for Radio Interferometry with Score-based…

Instrumentation and Methods for Astrophysics · Physics 2025-01-07 Noé Dia , M. J. Yantovski-Barth , Alexandre Adam , Micah Bowles , Laurence Perreault-Levasseur , Yashar Hezaveh , Anna Scaife

Developing and integrating advanced image sensors with novel algorithms in camera systems are prevalent with the increasing demand for computational photography and imaging on mobile platforms. However, the lack of high-quality data for…

Image and Video Processing · Electrical Eng. & Systems 2022-10-25 Ruicheng Feng , Chongyi Li , Shangchen Zhou , Wenxiu Sun , Qingpeng Zhu , Jun Jiang , Qingyu Yang , Chen Change Loy , Jinwei Gu

This paper presents a summary of the VQualA 2025 Challenge on Visual Quality Comparison for Large Multimodal Models (LMMs), hosted as part of the ICCV 2025 Workshop on Visual Quality Assessment. The challenge aims to evaluate and enhance…

The aim was to undertake a national survey of the setup of mammography imaging systems in the UK, we were particularly interested in image processing and software version. We created a program that can extract selected tags from the DICOM…

Image and Video Processing · Electrical Eng. & Systems 2025-01-24 Alistair Mackenzie , John Loveland , Ruben van Engen

For many computer vision applications such as image captioning, visual question answering, and person search, learning discriminative feature representations at both image and text level is an essential yet challenging problem. Its…

Computer Vision and Pattern Recognition · Computer Science 2019-08-29 Nikolaos Sarafianos , Xiang Xu , Ioannis A. Kakadiaris

This paper proposes two new open-source iris recognition algorithms, providing both Python and IREX-compliant C++ implementations to be submitted to the official IREX X program. This work has two primary goals: (a) to conduct the first-ever…

Computer Vision and Pattern Recognition · Computer Science 2026-05-21 Siamul Karim Khan , Patrick J. Flynn , Adam Czajka

The newly installed Silmaril beam combiner at the CHARA array is designed to observe previously inaccessible faint targets, including Active Galactic Nuclei and T-Tauri Young Stellar Objects. Silmaril leverages cutting-edge optical design,…

Interaction-free measurement (IFM) has been proposed as a means of high-resolution, low-damage imaging of radiation-sensitive samples, such as biomolecules and proteins. The basic setup for IFM is a Mach-Zehnder interferometer, and recent…

Instrumentation and Detectors · Physics 2019-06-12 Akshay Agarwal , Karl K. Berggren , Vivek Goyal

This paper reviews the NTIRE 2020 challenge on real image denoising with focus on the newly introduced dataset, the proposed methods and their results. The challenge is a new version of the previous NTIRE 2019 challenge on real image…

We present new data obtained with SpIOMM, the imaging Fourier transform spectrometer attached to the 1.6-m telescope of the Observatoire du Mont-M\'egantic in Qu\'ebec. Recent technical and data reduction improvements have significantly…

Instrumentation and Methods for Astrophysics · Physics 2015-06-11 L. Drissen , A. Alarie , T. Martin , D. Lagrois , L. Rousseau-Nepton , A Bilodeau , C. Robert , G. Joncas , J. Iglesias-Páramo
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