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In large-scale spatial surveys, such as the forthcoming ESA Euclid mission, images may be undersampled due to the optical sensors sizes. Therefore, one may consider using a super-resolution (SR) method to recover aliased frequencies, prior…

Computer Vision and Pattern Recognition · Computer Science 2014-10-30 Fred Maurice Ngolè Mboula , Jean-Luc Starck , Samuel Ronayette , Koryo Okumura , Jérôme Amiaux

The infrared small-dim target detection is one of the key techniques in the infrared search and tracking system. Since the local regions similar to infrared small-dim targets spread over the whole background, exploring the interaction…

Computer Vision and Pattern Recognition · Computer Science 2021-11-12 Fangcen Liu , Chenqiang Gao , Fang Chen , Deyu Meng , Wangmeng Zuo , Xinbo Gao

Infrared Small Target Detection (IRSTD) is a challenging task in defense applications, where complex backgrounds and tiny target sizes often result in numerous false alarms using conventional object detectors. To overcome this limitation,…

Computer Vision and Pattern Recognition · Computer Science 2026-02-20 Alina Ciocarlan , Sylvie Le Hégarat-Mascle , Sidonie Lefebvre

In this paper we introduce a system for unsupervised object discovery and segmentation of RGBD-images. The system models the sensor noise directly from data, allowing accurate segmentation without sensor specific hand tuning of measurement…

Robotics · Computer Science 2017-10-20 Johan Ekekrantz , Nils Bore , Rares Ambrus , John Folkesson , Patric Jensfelt

We propose a new iterative greedy algorithm for reconstructions of sparse signals with or without noisy perturbations in compressed sensing. The proposed algorithm, called \emph{subspace thresholding pursuit} (STP) in this paper, is a…

Information Theory · Computer Science 2014-05-22 Chao-Bing Song , Shu-Tao Xia , Xin-Ji Liu

Composed Image Retrieval (CIR) aims to retrieve a target image based on a reference image and conditioning text, enabling controllable image searches. The mainstream Zero-Shot (ZS) CIR methods bypass the need for expensive training CIR…

Computer Vision and Pattern Recognition · Computer Science 2025-03-19 Jaeseok Byun , Seokhyeon Jeong , Wonjae Kim , Sanghyuk Chun , Taesup Moon

High-resolution array detectors are widely used in single-particle tracking, but their performance is limited by excess noise from background light and dark current. As pixel resolution increases, the diminished signal per pixel exacerbates…

Quantum Physics · Physics 2025-12-16 Chao-Ning Hu , Jun Xin , Xiao-Ming Lu

Recently, the field of few-shot detection within remote sensing imagery has witnessed significant advancements. Despite these progresses, the capacity for continuous conceptual learning still poses a significant challenge to existing…

Computer Vision and Pattern Recognition · Computer Science 2024-05-21 Wuzhou Li , Jiawei Zhou , Xiang Li , Yi Cao , Guang Jin , Xuemin Zhang

Hyperspectral imaging offers new perspectives for diverse applications, ranging from the monitoring of the environment using airborne or satellite remote sensing, precision farming, food safety, planetary exploration, or astrophysics.…

Image and Video Processing · Electrical Eng. & Systems 2021-11-19 Théo Bodrito , Alexandre Zouaoui , Jocelyn Chanussot , Julien Mairal

Infrared small target detection plays an important role in the infrared search and tracking applications. In recent years, deep learning techniques were introduced to this task and achieved noteworthy effects. Following general object…

Image and Video Processing · Electrical Eng. & Systems 2025-07-15 Fang Chen , Chenqiang Gao , Fangcen Liu , Yue Zhao , Yuxi Zhou , Deyu Meng , Wangmeng Zuo

Spike deconvolution is the problem of recovering point sources from their convolution with a known point spread function, playing a fundamental role in many sensing and imaging applications. This paper proposes a novel approach combining…

Signal Processing · Electrical Eng. & Systems 2025-02-13 Joseph Gabet , Meghna Kalra , Maxime Ferreira Da Costa , Kiryung Lee

The problem of phase retrieval (PR) involves recovering an unknown image from limited amplitude measurement data and is a challenge nonlinear inverse problem in computational imaging and image processing. However, many of the PR methods are…

Computer Vision and Pattern Recognition · Computer Science 2023-09-11 Aoxu Liu , Xiaohong Fan , Yin Yang , Jianping Zhang

Infrared Small Target Detection (IRSTD) system aims to identify small targets in complex backgrounds. Due to the convolution operation in Convolutional Neural Networks (CNNs), applying traditional CNNs to IRSTD presents challenges, since…

Image and Video Processing · Electrical Eng. & Systems 2025-07-15 Yirui Chen , Yiming Zhu , Yuxin Jing , Tianpei Zhang , Jufeng Zhao

Infrared small target detection presents significant challenges due to the limited intrinsic features of the target and the overwhelming presence of visually similar background distractors. We contend that background semantics are critical…

Computer Vision and Pattern Recognition · Computer Science 2025-10-08 Mengxuan Xiao , Yinfei Zhu , Yiming Zhu , Boyang Li , Feifei Zhang , Huan Wang , Meng Cai , Yimian Dai

Recent deep-learning-based single image super-resolution (SISR) methods have shown impressive performance whereas typical methods train their networks by minimizing the pixel-wise distance with respect to a given high-resolution (HR) image.…

Computer Vision and Pattern Recognition · Computer Science 2024-01-01 MinKyu Lee , Jae-Pil Heo

Infrared small target detection (ISTD) is critical to national security and has been extensively applied in military areas. ISTD aims to segment small target pixels from background. Most ISTD networks focus on designing feature extraction…

Computer Vision and Pattern Recognition · Computer Science 2024-02-06 Tianxiang Chen , Zhentao Tan , Qi Chu , Yue Wu , Bin Liu , Nenghai Yu

Infrared small target detection faces the problem that it is difficult to effectively separate the background and the target. Existing deep learning-based methods focus on edge and shape features, but ignore the richer structural…

Computer Vision and Pattern Recognition · Computer Science 2025-12-11 Jinmiao Zhao , Zelin Shi , Chuang Yu , Yunpeng Liu , Xinyi Ying , Yimian Dai

Robust and privacy-preserving indoor scene understanding remains a fundamental open problem. While optical sensors such as RGB and LiDAR offer high spatial fidelity, they suffer from severe occlusions and introduce privacy risks in indoor…

Computer Vision and Pattern Recognition · Computer Science 2026-03-31 Kaichen Zhou , Laura Dodds , Sayed Saad Afzal , Fadel Adib

The Infrared Spectrograph (IRS) is one of three science instruments on the Spitzer Space Telescope. The IRS comprises four separate spectrograph modules covering the wavelength range from 5.3 to 38micron with spectral resolutions, R \~90…

Astrophysics · Physics 2011-05-05 J. R. Houck , the Spitzer/IRS team

Multi-object tracking has seen a lot of progress recently, albeit with substantial annotation costs for developing better and larger labeled datasets. In this work, we remove the need for annotated datasets by proposing an unsupervised…

Computer Vision and Pattern Recognition · Computer Science 2020-06-05 Shyamgopal Karthik , Ameya Prabhu , Vineet Gandhi
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