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While filtered back projection (FBP) is still the method of choice for fast tomographic reconstruction, its performance degrades noticeably in the presence of noise, incomplete sampling, or non-standard scan geometries. We propose a…

数值分析 · 数学 2026-02-16 Hamid Fathi , Alexander Skorikov , Tristan van Leeuwen

Depth map enhancement using paired high-resolution RGB images offers a cost-effective solution for improving low-resolution depth data from lightweight ToF sensors. Nevertheless, naively adopting a depth estimation pipeline to fuse the two…

计算机视觉与模式识别 · 计算机科学 2025-06-18 Laiyan Ding , Hualie Jiang , Jiwei Chen , Rui Huang

In this work, we focus on the challenging task, neuro-disease classification, using functional magnetic resonance imaging (fMRI). In population graph-based disease analysis, graph convolutional neural networks (GCNs) have achieved…

机器学习 · 计算机科学 2022-11-29 Liang Peng , Nan Wang , Jie Xu , Xiaofeng Zhu , Xiaoxiao Li

Pretraining with large-scale 3D volumes has a potential for improving the segmentation performance on a target medical image dataset where the training images and annotations are limited. Due to the high cost of acquiring pixel-level…

计算机视觉与模式识别 · 计算机科学 2023-06-30 Guotai Wang , Jianghao Wu , Xiangde Luo , Xinglong Liu , Kang Li , Shaoting Zhang

Deep learning models have shown their advantage in many different tasks, including neuroimage analysis. However, to effectively train a high-quality deep learning model, the aggregation of a significant amount of patient information is…

机器学习 · 计算机科学 2020-12-08 Xiaoxiao Li , Yufeng Gu , Nicha Dvornek , Lawrence Staib , Pamela Ventola , James S. Duncan

Supervised fine-tuning (SFT) is a standard approach to adapting large language models (LLMs) to new domains. In this work, we improve the statistical efficiency of SFT by selecting an informative subset of training examples. Specifically,…

Reconstructing observed images from fMRI brain recordings is challenging. Unfortunately, acquiring sufficient "labeled" pairs of {Image, fMRI} (i.e., images with their corresponding fMRI responses) to span the huge space of natural images…

图像与视频处理 · 电气工程与系统科学 2021-06-11 Roman Beliy , Guy Gaziv , Assaf Hoogi , Francesca Strappini , Tal Golan , Michal Irani

Foundation models (FMs) have emerged as a transformative paradigm in medical image analysis, offering the potential to provide generalizable, task-agnostic solutions across a wide range of clinical tasks and imaging modalities. Their…

计算机视觉与模式识别 · 计算机科学 2025-11-04 Karma Phuntsho , Abdullah , Kyungmi Lee , Ickjai Lee , Euijoon Ahn

Vision foundation models (FMs) are accelerating the development of digital pathology algorithms and transforming biomedical research. These models learn, in a self-supervised manner, to represent histological features in highly…

Self-supervised learning has emerged as a highly effective approach in the fields of natural language processing and computer vision. It is also applicable to brain signals such as electroencephalography (EEG) data, given the abundance of…

信号处理 · 电气工程与系统科学 2024-01-22 Yuqi Chen , Kan Ren , Kaitao Song , Yansen Wang , Yifan Wang , Dongsheng Li , Lili Qiu

Hyperspectral images (HSIs) contain rich spectral and spatial information. Motivated by the success of transformers in the field of natural language processing and computer vision where they have shown the ability to learn long range…

计算机视觉与模式识别 · 计算机科学 2024-01-05 Shaheer Mohamed , Maryam Haghighat , Tharindu Fernando , Sridha Sridharan , Clinton Fookes , Peyman Moghadam

Reconstructing high-quality images from substantially undersampled k-space data for accelerated MRI presents a challenging ill-posed inverse problem. While supervised deep learning has revolutionized this field, it relies heavily on large…

图像与视频处理 · 电气工程与系统科学 2025-12-22 Xinzhe Luo , Yingzhen Li , Chen Qin

Emotion recognition is a challenging task due to limited availability of in-the-wild labeled datasets. Self-supervised learning has shown improvements on tasks with limited labeled datasets in domains like speech and natural language.…

计算与语言 · 计算机科学 2021-04-08 Aparna Khare , Srinivas Parthasarathy , Shiva Sundaram

The great success of Deep Neural Networks (DNNs) has inspired the algorithmic development of DNN-based Fixed-Point (DNN-FP) for computer vision tasks. DNN-FP methods, trained by Back-Propagation Through Time or computing the inaccurate…

计算机视觉与模式识别 · 计算机科学 2023-01-31 Peng Qiao , Sidun Liu , Tao Sun , Ke Yang , Yong Dou

Deep learning methods are increasingly being used with neuroimaging data like structural and function magnetic resonance imaging (MRI) to predict the diagnosis of neuropsychiatric and neurological disorders. For psychiatric disorders in…

神经元与认知 · 定量生物学 2019-07-03 Ahmed El Gazzar , Leonardo Cerliani , Guido van Wingen , Rajat Mani Thomas

Recent self-supervised stereo matching methods have made significant progress. They typically rely on the photometric consistency assumption, which presumes corresponding points across views share the same appearance. However, this…

计算机视觉与模式识别 · 计算机科学 2026-04-14 Yun Wang , Zhengjie Yang , Jiahao Zheng , Zhanjie Zhang , Dapeng Oliver Wu , Yulan Guo

Time-frequency representation (TFR) allowing for mode reconstruction plays a significant role in interpreting and analyzing the nonstationary signal constituted of various modes. However, it is difficult for most previous methods to handle…

信号处理 · 电气工程与系统科学 2021-09-01 Haijian Zhang , Guang Hua

In Fringe Projection Profilometry (FPP), achieving robust and accurate 3D reconstruction with a limited number of fringe patterns remains a challenge in structured light 3D imaging. Conventional methods require a set of fringe images, but…

计算机视觉与模式识别 · 计算机科学 2024-02-05 Won-Hoe Kim , Bongjoong Kim , Hyung-Gun Chi , Jae-Sang Hyun

Magnetic Resonance Imaging (MRI) produces excellent soft tissue contrast, albeit it is an inherently slow imaging modality. Promising deep learning methods have recently been proposed to reconstruct accelerated MRI scans. However, existing…

图像与视频处理 · 电气工程与系统科学 2024-04-17 Yilmaz Korkmaz , Tolga Cukur , Vishal M. Patel

Magnetic Resonance Fingerprinting (MRF) is a new approach to quantitative magnetic resonance imaging that allows simultaneous measurement of multiple tissue properties in a single, time-efficient acquisition. Standard MRF reconstructs…

计算机视觉与模式识别 · 计算机科学 2018-12-20 Ilkay Oksuz , Gastao Cruz , James Clough , Aurelien Bustin , Nicolo Fuin , Rene M. Botnar , Claudia Prieto , Andrew P. King , Julia A. Schnabel