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Purpose Medical imaging diagnosis faces challenges, including low-resolution images due to machine artifacts and patient movement. This paper presents the Frequency-Guided U-Net (GFNet), a novel approach for medical image segmentation that…

图像与视频处理 · 电气工程与系统科学 2024-05-03 Haytham Al Ewaidat , Youness El Brag , Ahmad Wajeeh Yousef E'layan , Ali Almakhadmeh

Interpretable deep learning models have received widespread attention in the field of image recognition. Due to the unique multi-instance learning of medical images and the difficulty in identifying decision-making regions, many…

计算机视觉与模式识别 · 计算机科学 2023-12-05 Yitao Peng , Lianghua He , Die Hu , Yihang Liu , Longzhen Yang , Shaohua Shang

We propose a Coefficient-to-Basis Network (C2BNet), a novel framework for solving inverse problems within the operator learning paradigm. C2BNet efficiently adapts to different discretizations through fine-tuning, using a pre-trained model…

机器学习 · 计算机科学 2025-03-12 Zecheng Zhang , Hao Liu , Wenjing Liao , Guang Lin

We study the convergence of gradient flow for the training of deep neural networks. If Residual Neural Networks are a popular example of very deep architectures, their training constitutes a challenging optimization problem due notably to…

机器学习 · 计算机科学 2025-07-22 Raphaël Barboni , Gabriel Peyré , François-Xavier Vialard

Inverse problems are often ill-posed and require optimization schemes with strong stability and convergence guarantees. While learning-based approaches such as deep unrolling and meta-learning achieve strong empirical performance, they…

信号处理 · 电气工程与系统科学 2026-05-28 Le Minh Triet Tran , Sarah Reynaud , Ronan Fablet , Adrien Merlini , François Rousseau , Mai Quyen Pham

Despite the rapid progress of neuromorphic computing, inadequate capacity and insufficient representation power of spiking neural networks (SNNs) severely restrict their application scope in practice. Residual learning and shortcuts have…

神经与进化计算 · 计算机科学 2023-03-13 Yifan Hu , Lei Deng , Yujie Wu , Man Yao , Guoqi Li

Learning meaningful representations using deep neural networks involves designing efficient training schemes and well-structured networks. Currently, the method of stochastic gradient descent that has a momentum with dropout is one of the…

机器学习 · 计算机科学 2016-01-15 Taehoon Lee , Minsuk Choi , Sungroh Yoon

Image denoising is a critical task in various scientific fields such as medical imaging and material characterization, where the accurate recovery of underlying structures from noisy data is essential. Although supervised denoising…

图像与视频处理 · 电气工程与系统科学 2025-02-12 Jianxin Xie , Wonhee Ko , Rui-Xing Zhang , Bing Yao

In this work we present a computationally efficient linear optimization approach for estimating the cross--power spectrum of an hidden multivariate stochastic process from that of another observed process. Sparsity in the resulting…

统计方法学 · 统计学 2024-12-02 Laura Carini , Isabella Furci , Sara Sommariva

Network traffic prediction techniques have attracted much attention since they are valuable for network congestion control and user experience improvement. While existing prediction techniques can achieve favorable performance when there is…

网络与互联网体系结构 · 计算机科学 2025-05-29 Hui Ma , Kai Yang

The selection of beam orientations, which is a key step in radiation treatment planning, is particularly challenging for non-coplanar radiotherapy systems due to the large number of candidate beams. In this paper, we report progress on the…

医学物理 · 物理学 2017-10-17 Daniel O'Connor , Yevgen Voronenko , Dan Nguyen , Wotao Yin , Ke Sheng

In this paper, we propose a novel optimization algorithm for training machine learning models called Input Normalized Stochastic Gradient Descent (INSGD), inspired by the Normalized Least Mean Squares (NLMS) algorithm used in adaptive…

机器学习 · 计算机科学 2023-06-28 Salih Atici , Hongyi Pan , Ahmet Enis Cetin

Deep learning models are prone to learning shortcut solutions to problems using spuriously correlated yet irrelevant features of their training data. In high-risk applications such as medical image analysis, this phenomenon may prevent…

计算机视觉与模式识别 · 计算机科学 2025-11-25 Christopher Boland , Sotirios Tsaftaris , Sonia Dahdouh

One-Shot Neural Architecture Search (NAS) algorithms often rely on training a hardware agnostic super-network for a domain specific task. Optimal sub-networks are then extracted from the trained super-network for different hardware…

机器学习 · 计算机科学 2023-08-31 Sharath Nittur Sridhar , Souvik Kundu , Sairam Sundaresan , Maciej Szankin , Anthony Sarah

Recently, infrared small target detection has attracted extensive attention. However, due to the small size and the lack of intrinsic features of infrared small targets, the existing methods generally have the problem of inaccurate edge…

计算机视觉与模式识别 · 计算机科学 2025-12-11 Jinmiao Zhao , Chuang Yu , Zelin Shi , Yunpeng Liu , Yingdi Zhang

A critical problem in deep learning is that systems learn inappropriate biases, resulting in their inability to perform well on minority groups. This has led to the creation of multiple algorithms that endeavor to mitigate bias. However, it…

机器学习 · 计算机科学 2024-04-24 Robik Shrestha , Kushal Kafle , Christopher Kanan

Few-shot learning for fine-grained image classification has gained recent attention in computer vision. Among the approaches for few-shot learning, due to the simplicity and effectiveness, metric-based methods are favorably state-of-the-art…

计算机视觉与模式识别 · 计算机科学 2021-02-03 Xiaoxu Li , Jijie Wu , Zhuo Sun , Zhanyu Ma , Jie Cao , Jing-Hao Xue

Attention networks have successfully boosted the performance in various vision problems. Previous works lay emphasis on designing a new attention module and individually plug them into the networks. Our paper proposes a novel-and-simple…

计算机视觉与模式识别 · 计算机科学 2019-09-24 Zhongzhan Huang , Senwei Liang , Mingfu Liang , Haizhao Yang

We establish local linear convergence bounds for the ISTA and FISTA iterations on the model LASSO problem. We show that FISTA can be viewed as an accelerated ISTA process. Using a spectral analysis, we show that, when close enough to the…

最优化与控制 · 数学 2015-01-14 Shaozhe Tao , Daniel Boley , Shuzhong Zhang

Transfer learning through fine-tuning a pre-trained neural network with an extremely large dataset, such as ImageNet, can significantly accelerate training while the accuracy is frequently bottlenecked by the limited dataset size of the new…

机器学习 · 计算机科学 2020-05-14 Xingjian Li , Haoyi Xiong , Hanchao Wang , Yuxuan Rao , Liping Liu , Zeyu Chen , Jun Huan