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Deep generative models have gained recent traction in accelerated MRI reconstruction. Diffusion priors are particularly promising given their representational fidelity. Instead of the target transformation from undersampled to fully-sampled…

图像与视频处理 · 电气工程与系统科学 2023-12-19 Muhammad U. Mirza , Onat Dalmaz , Hasan A. Bedel , Gokberk Elmas , Yilmaz Korkmaz , Alper Gungor , Salman UH Dar , Tolga Çukur

The nearly scale-invariant primordial power spectrum provides the standard initial conditions for cosmological perturbations. However, the largest scales remain only weakly constrained by CMB observations, leaving room for deviations such…

宇宙学与河外天体物理 · 物理学 2026-02-19 Ujjwal Upadhyay , Yashi Tiwari , Tarun Souradeep

The quest for incremental unified multimodal anomaly detection seeks to empower a single model with the ability to systematically detect anomalies across all categories and support incremental learning to accommodate emerging…

计算机视觉与模式识别 · 计算机科学 2026-03-04 Kaifang Long , Lianbo Ma , Jiaqi Liu , Liming Liu , Guoyang Xie

Blind deconvolution involves the estimation of a sharp signal or image given only a blurry observation. Because this problem is fundamentally ill-posed, strong priors on both the sharp image and blur kernel are required to regularize the…

计算机视觉与模式识别 · 计算机科学 2013-05-13 David Wipf , Haichao Zhang

Distributions of data or sensory stimuli often enjoy underlying invariances. How and to what extent those symmetries are captured by unsupervised learning methods is a relevant question in machine learning and in computational neuroscience.…

无序系统与神经网络 · 物理学 2020-06-24 Moshir Harsh , Jérôme Tubiana , Simona Cocco , Remi Monasson

The ability to reconstruct high-quality images from undersampled MRI data is vital in improving MRI temporal resolution and reducing acquisition times. Deep learning methods have been proposed for this task, but the lack of verified methods…

计算机视觉与模式识别 · 计算机科学 2024-04-09 Samah Khawaled , Moti Freiman

Biomedical image segmentation is critical for accurate identification and analysis of anatomical structures in medical imaging, particularly in cardiac MRI. Manual segmentation is labor-intensive, time-consuming, and prone to errors,…

图像与视频处理 · 电气工程与系统科学 2024-08-28 Ting Yu Tsai , Li Lin , Shu Hu , Ming-Ching Chang , Hongtu Zhu , Xin Wang

Foundation models like CLIP and SAM have advanced computer vision and medical imaging via low-shot transfer learning, aiding CADD with limited data. However, their deployment faces two key challenges. \textit{distribution shift} where…

计算机视觉与模式识别 · 计算机科学 2025-07-22 Behraj Khan , Tahir Qasim Syed , Nouman M. Durrani , Bilal Naseem , Shabir Ahmad , Rizwan Qureshi

This work addresses image restoration tasks through the lens of inverse problems using unpaired datasets. In contrast to traditional approaches -- which typically assume full knowledge of the forward model or access to paired degraded and…

计算机视觉与模式识别 · 计算机科学 2025-06-18 Giacomo Meanti , Thomas Ryckeboer , Michael Arbel , Julien Mairal

Accurate material modeling is crucial for achieving photorealistic rendering, bridging the gap between computer-generated imagery and real-world photographs. While traditional approaches rely on tabulated BRDF data, recent work has shifted…

图形学 · 计算机科学 2025-08-18 Chenliang Zhou , Zheyuan Hu , Cengiz Oztireli

Integrated sensing and communication (ISAC) is increasingly expected to operate under aggressive spectrum reuse, where co-channel orthogonal frequency division multiplexing (OFDM) interference can be catastrophic for data recovery on the…

信号处理 · 电气工程与系统科学 2026-04-30 Henglin Pu , Ahmad Musallam , Husheng Li , Lajos Hanzo

Non-stationary blind super-resolution is an extension of the traditional super-resolution problem, which deals with the problem of recovering fine details from coarse measurements. The non-stationary blind super-resolution problem appears…

信息论 · 计算机科学 2019-10-09 Shuang Li , Michael B. Wakin , Gongguo Tang

A well-known diagnostic imaging modality, termed ultrasound tomography, was quickly developed for the detection of very small tumors whose sizes are smaller than the wavelength of the incident pressure wave without ionizing radiation,…

医学物理 · 物理学 2015-08-05 Tran Quang-Huy , Tran Duc-Tan , Huynh Huu Tue , Nguyen Linh-Trung

Multimodal Image Fusion (MMIF) integrates complementary information from various modalities to produce clearer and more informative fused images. MMIF under adverse weather is particularly crucial in autonomous driving and UAV monitoring…

计算机视觉与模式识别 · 计算机科学 2026-03-04 Huichun Liu , Xiaosong Li , Zhuangfan Huang , Tao Ye , Yang Liu , Haishu Tan

The increasingly crowded spectrum has spurred the design of joint radar-communications systems that share hardware resources and efficiently use the radio frequency spectrum. We study a general spectral coexistence scenario, wherein the…

信息论 · 计算机科学 2023-06-21 Edwin Vargas , Kumar Vijay Mishra , Roman Jacome , Brian M. Sadler , Henry Arguello

This report extends our recent progress in tackling a challenging 3D inverse scattering problem governed by the Helmholtz equation. Our target application is to reconstruct dielectric constants, electric conductivities and shapes of front…

Accurate extrinsic sensor calibration is essential for both autonomous vehicles and robots. Traditionally this is an involved process requiring calibration targets, known fiducial markers and is generally performed in a lab. Moreover, even…

机器人学 · 计算机科学 2021-03-18 Celyn Walters , Oscar Mendez , Simon Hadfield , Richard Bowden

This work presents blind constrained constant modulus (CCM) adaptive algorithms based on the set-membership filtering (SMF) concept and incorporates dynamic bounds {for interference suppression} applications. We develop stochastic gradient…

信息论 · 计算机科学 2015-06-12 Rodrigo C. de Lamare , Paulo S. R. Diniz

This paper presents a new deep learning-based framework for robust nonlinear estimation and control using the concept of a Neural Contraction Metric (NCM). The NCM uses a deep long short-term memory recurrent neural network for a global…

系统与控制 · 电气工程与系统科学 2020-11-20 Hiroyasu Tsukamoto , Soon-Jo Chung

Recently, facial landmark detection algorithms have achieved remarkable performance on static images. However, these algorithms are neither accurate nor stable in motion-blurred videos. The missing of structure information makes it…

计算机视觉与模式识别 · 计算机科学 2019-10-29 Keqiang Sun , Wayne Wu , Tinghao Liu , Shuo Yang , Quan Wang , Qiang Zhou , Zuochang Ye , Chen Qian