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Ultrasound Localization Microscopy (ULM) can map microvessels at a resolution of a few micrometers (\mu m). Transcranial ULM remains challenging in presence of aberrations caused by the skull, which lead to localization errors. Herein, we…

Image and Video Processing · Electrical Eng. & Systems 2023-09-20 Paul Xing , Jonathan Porée , Brice Rauby , Antoine Malescot , Éric Martineau , Vincent Perrot , Ravi L. Rungta , Jean Provost

In the digital age, advanced image editing tools pose a serious threat to the integrity of visual content, making image forgery detection and localization a key research focus. Most existing Image Manipulation Localization (IML) methods…

Computer Vision and Pattern Recognition · Computer Science 2025-08-11 Yachun Mi , Xingyang He , Shixin Sun , Yu Li , Yanting Li , Zhixuan Li , Jian Jin , Chen Hui , Shaohui Liu

An increasing number of public datasets have shown a marked impact on automated organ segmentation and tumor detection. However, due to the small size and partially labeled problem of each dataset, as well as a limited investigation of…

Image and Video Processing · Electrical Eng. & Systems 2024-06-27 Jie Liu , Yixiao Zhang , Jie-Neng Chen , Junfei Xiao , Yongyi Lu , Bennett A. Landman , Yixuan Yuan , Alan Yuille , Yucheng Tang , Zongwei Zhou

Automatic modulation classification (AMC) is a key technique for designing non-cooperative communication systems, and deep learning (DL) is applied effectively to AMC for improving classification accuracy. However, most of the DL-based AMC…

Signal Processing · Electrical Eng. & Systems 2023-04-25 Lantu Guo , Yu Wang , Yun Lin , Haitao Zhao , Guan Gui

Merging and interactions can radically transform galaxies. However, identifying these events based solely on structure is challenging as the status of observed mergers is not easily accessible. Fortunately, cosmological simulations are now…

We study the challenging problem of unsupervised multi-object segmentation on single images. Existing methods, which rely on image reconstruction objectives to learn objectness or leverage pretrained image features to group similar pixels,…

Computer Vision and Pattern Recognition · Computer Science 2025-06-03 Yafei Yang , Zihui Zhang , Bo Yang

Galaxy mergers are crucial for understanding galaxy evolution, and with large upcoming datasets, automated methods such as Convolutional Neural Networks (CNNs) are essential for efficient detection. It is understood that CNNs classify…

Astrophysics of Galaxies · Physics 2026-02-17 D. M. Chudy , W. J. Pearson , A. Pollo , L. E. Suelves , B. Margalef-Bentabol , L. Wang , V. Rodriguez-Gomez , A. La Marca

MLP-based architectures, which consist of a sequence of consecutive multi-layer perceptron blocks, have recently been found to reach comparable results to convolutional and transformer-based methods. However, most adopt spatial MLPs which…

Computer Vision and Pattern Recognition · Computer Science 2021-09-21 Jiachen Li , Ali Hassani , Steven Walton , Humphrey Shi

Based on the Sloan Digital Sky Survey Data Release 5 Galaxy Sample, we explore photometric morphology classification and redshift estimation of galaxies using photometric data and known spectroscopic redshifts. An unsupervised method,…

Astrophysics · Physics 2009-11-13 Yanxia Zhang , Lili Li , Yongheng Zhao

Deep Convolutional Neural Networks (DCNNs) commonly use generic `max-pooling' (MP) layers to extract deformation-invariant features, but we argue in favor of a more refined treatment. First, we introduce epitomic convolution as a building…

Computer Vision and Pattern Recognition · Computer Science 2014-12-02 George Papandreou , Iasonas Kokkinos , Pierre-André Savalle

Deep distance metric learning (DDML), which is proposed to learn image similarity metrics in an end-to-end manner based on the convolution neural network, has achieved encouraging results in many computer vision tasks.$L2$-normalization in…

Computer Vision and Pattern Recognition · Computer Science 2018-03-29 Xuefei Zhe , Shifeng Chen , Hong Yan

Using the TNG50 cosmological simulation and observations from the Kilo-Degree Survey (KiDS), we investigate the connection between galaxy mergers and optical morphology in the local Universe over a wide range of galaxy stellar masses…

We present a machine learning framework to simulate realistic galaxies for the Euclid Survey. The proposed method combines a control on galaxy shape parameters offered by analytic models with realistic surface brightness distributions…

Astrophysics of Galaxies · Physics 2022-01-26 Euclid Collaboration , H. Bretonnière , M. Huertas-Company , A. Boucaud , F. Lanusse , E. Jullo , E. Merlin , D. Tuccillo , M. Castellano , J. Brinchmann , C. J. Conselice , H. Dole , R. Cabanac , H. M. Courtois , F. J. Castander , P. A. Duc , P. Fosalba , D. Guinet , S. Kruk , U. Kuchner , S. Serrano , E. Soubrie , A. Tramacere , L. Wang , A. Amara , N. Auricchio , R. Bender , C. Bodendorf , D. Bonino , E. Branchini , V. Capobianco , C. Carbone , J. Carretero , S. Cavuoti , A. Cimatti , R. Cledassou , L. Corcione , A. Costille , H. Degaudenzi , M. Douspis , F. Dubath , S. Dusini , S. Ferriol , M. Frailis , E. Franceschi , M. Fumana , B. Garilli , C. Giocoli , A. Grazian , F. Grupp , S. V. H. Haugan , W. Holmes , F. Hormuth , P. Hudelot , K. Jahnke , A. Kiessling , M. Kilbinger , T. Kitching , M. Kümmel , M. Kunz , H. Kurki-Suonio , S. Ligori , P. B. Lilje , I. Lloro , E. Maiorano , O. Mansutti , O. Marggraf , K. Markovic , R. Massey , M. Melchior , M. Meneghetti , G. Meylan , L. Moscardini , S. M. Niemi , C. Padilla , S. Paltani , F. Pasian , K. Pedersen , V. Pettorino , S. Pires , M. Poncet , L. Popa , L. Pozzetti , F. Raison , R. Rebolo , J. Rhodes , M. Roncarelli , E. Rossetti , R. Saglia , P. Schneider , A. Secroun , G. Seidel , C. Sirignano , G. Sirri , J. -L. Starck , A. N. Taylor , I. Tereno , R. Toledo-Moreo , E. A. Valentijn , L. Valenziano , Y. Wang , J. Weller , G. Zamorani , J. Zoubian , M. Baldi , S. Bardelli , S. Brau-Nogue , M. Brescia , S. Camera , G. Congedo , L. Conversi , Y. Copin , C . A. J. Duncan , X. Dupac , R. Farinelli , B. Gillis , S. Kermiche , R. Kohley , F. Marulli , E. Medinaceli , S. Mei , M. Moresco , B. Morin , E. Munari , G. Polenta , E. Romelli , P. Tallada-Crespí , M. Tenti , F. Torradeflot , T. Vassallo , N. Welikala , A. Zacchei , E. Zucca , C. Baccigalupi , A. Balaguera-Antolínez , A. Biviano , S. Borgani , E. Bozzo , C. Burigana , A. Cappi , C. S. Carvalho , S. Casas , G. Castignani , C. Colodro-Conde , J. Coupon , A. Da Silva , S. de la Torre , M. Fabricius , M. Farina , S. Farrens , P. G. Ferreira , P. Flose-Reimberg , S. Fotopoulou , S. Galeotta , K. Ganga , J. Garcia-Bellido , E. Gaztanaga , W. Gillard , G. Gozaliasl , I. M. Hook , B. Joachimi , V. Kansal , A. Kashlinsky , E. Keihanen , C. C. Kirkpatrick , V. Lindholm , G. Mainetti , D. Maino , R. Maoli , M. Martinelli , N. Martinet , S. Maurogordato , H. J. McCracken , R. B. Metcalf , G. Morgante , N. Morisset , R. Nakajima , J. Nightingale , A. Nucita , L. Patrizii , D. Potter , A. Renzi , G. Riccio , A. G. Sánchez , D. Sapone , M. Schirmer , M. Schultheis , V. Scottez , E. Sefusatti , L. Stanco , R. Teyssier , I. Tutusaus , J. Valiviita , M. Viel , L. Whittaker , J. H Knapen

We develop a straightforward and quantitative two-step method for spectroscopically classifying galaxies from the low signal-to-noise (S/N) optical spectra typical of galaxy redshift surveys. First, using \chi^2-fitting of characteristic…

Astrophysics · Physics 2009-10-28 Dennis Zaritsky , Ann I. Zabludoff , Jeffrey A. Willick

The environment plays a critical role in galaxy evolution, with galaxy clusters and their infall regions offering diverse conditions that shape galaxies before they enter the dense cluster core, a process known as ``pre-processing''.…

Astrophysics of Galaxies · Physics 2026-05-15 Rhys Jordan , Meghan E. Gray , Alfonso Aragón-Salamanca , Steven P. Bamford , Frazer R. Pearce , Roan Haggar

We provide an analysis of a convolutional neural network's ability to identify the lensing signal of single dark matter subhalos in strong galaxy-galaxy lenses in the presence of increasingly complex source light morphology. We simulate a…

Cosmology and Nongalactic Astrophysics · Physics 2024-03-08 Tyler J. Hughes , Karl Glazebrook , Colin Jacobs

Semantic segmentation is a critical tool in computer vision, applied in various domains like autonomous driving and medical imaging. This study focuses on aircraft contrail detection in global satellite images to improve contrail models and…

Computer Vision and Pattern Recognition · Computer Science 2023-10-10 Zhenkuan Wang

Medical image segmentation is a fundamental yet challenging task due to the arduous process of acquiring large volumes of high-quality labeled data from experts. Contrastive learning offers a promising but still problematic solution to this…

Computer Vision and Pattern Recognition · Computer Science 2025-02-14 Shuang Zeng , Lei Zhu , Xinliang Zhang , Micky C Nnamdi , Wenqi Shi , J Ben Tamo , Qian Chen , Hangzhou He , Lujia Jin , Zifeng Tian , Qiushi Ren , Zhaoheng Xie , Yanye Lu

Motivation: Multi-omics integration can improve cancer subtyping, but modality informativeness and noise vary across cancer types and patients. Existing graph-based methods optimize modality weights jointly with the classification objective…

Machine Learning · Computer Science 2026-04-28 Boyang Fan , Hengchuang Yin , Siyu Yi , Yifan Wang , Zhicheng Li , Leijiyu Zhou , Jiancheng Lv , Wei Ju