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A novel application of machine-learning (ML) based image processing algorithms is proposed to analyze an all-sky map (ASM) obtained using the Fermi Gamma-ray Space Telescope. An attempt was made to simulate a one-year ASM from a…

高能天体物理现象 · 物理学 2021-06-02 Shogo Sato , Jun Kataoka , Soichiro Ito , Jun'ichi Kotoku , Masato Taki , Asuka Oyama , Takaya Toyoda , Yuki Nakamura , Marino Yamamoto

Robust quantization improves the tolerance of networks for various implementations, allowing reliable output in different bit-widths or fragmented low-precision arithmetic. In this work, we perform extensive analyses to identify the sources…

机器学习 · 计算机科学 2022-08-02 Sein Park , Yeongsang Jang , Eunhyeok Park

Reconstructing high-quality 3D meshes and visuals from 3D Gaussian Splatting(3DGS) still remains a central challenge in computer graphics. Although existing models such as SuGaR offer effective solutions for rendering, there is is still…

图形学 · 计算机科学 2025-09-30 Jeong Uk Lee , Sung Hee Choi

Purpose: This paper aims to enhance bearing fault diagnosis in industrial machinery by introducing a novel method that combines Graph Attention Network (GAT) and Long Short-Term Memory (LSTM) networks. This approach captures both spatial…

Resting-state functional Arterial Spin Labeling (rs-fASL) in clinical daily practice and academic research stay discreet compared to resting-state BOLD. However, by giving direct access to cerebral blood flow maps, rs-fASL leads to…

神经元与认知 · 定量生物学 2018-11-29 Corouge Isabelle , Corentin Vallée , Pierre Maurel , Isabelle Corouge , Christian Barillot

Several bandwise total variation (TV) regularized low-rank (LR)-based models have been proposed to remove mixed noise in hyperspectral images (HSIs). Conventionally, the rank of LR matrix is approximated using nuclear norm (NN). The NN is…

计算机视觉与模式识别 · 计算机科学 2020-05-11 Haijin Zeng , Xiaozhen Xie , Jifeng Ning

Owing to the edge preserving ability and low computational cost of the total variation (TV), variational models with the TV regularization have been widely investigated in the field of multiplicative noise removal. The key points of the…

计算机视觉与模式识别 · 计算机科学 2015-03-18 Dai-Qiang Chen , Li-Zhi Cheng

This study presents a nonlinear signal processing method for accurate radar-based heartbeat interval estimation by exploiting the periodicity of higher-order harmonics inherent in heartbeat signals. Unlike conventional approaches that…

信号处理 · 电气工程与系统科学 2025-07-29 Kohei Shimomura , Chi-Hsuan Lee , Takuya Sakamoto

Purpose: To evaluate an algorithm for calibrationless parallel imaging to reconstruct undersampled parallel transmit field maps for the body and brain. Methods: Using synthetic data, body, and brain measurements of relative transmit maps,…

图像与视频处理 · 电气工程与系统科学 2020-11-13 Aaron T Hess , Iulius Dragonu , Mark Chiew

Array synthetic aperture radar (Array-SAR), also known as tomographic SAR (TomoSAR), has demonstrated significant potential for high-quality 3D mapping, particularly in urban areas.While deep learning (DL) methods have recently shown…

图像与视频处理 · 电气工程与系统科学 2024-12-24 Yu Ren , Xu Zhan , Yunqiao Hu , Xiangdong Ma , Liang Liu , Mou Wang , Jun Shi , Shunjun Wei , Tianjiao Zeng , Xiaoling Zhang

The autocovariance least squares (ALS) method is a computationally efficient approach for estimating noise covariances in Kalman filters without requiring specific noise models. However, conventional ALS and its variants rely on the classic…

最优化与控制 · 数学 2026-03-10 Jiahong Li , Fang Deng

Multi-label image classification is a fundamental but challenging task in computer vision. Great progress has been achieved by exploiting semantic relations between labels in recent years. However, conventional approaches are unable to…

计算机视觉与模式识别 · 计算机科学 2017-04-03 Feng Zhu , Hongsheng Li , Wanli Ouyang , Nenghai Yu , Xiaogang Wang

Spiking neural networks (SNNs) have received widespread attention as an ultra-low power computing paradigm. Recent studies have shown that SNNs suffer from severe overfitting, which limits their generalization performance. In this paper, we…

人工智能 · 计算机科学 2025-03-11 Lin Zuo , Yongqi Ding , Wenwei Luo , Mengmeng Jing , Kunshan Yang

Presented is a new algorithm for estimating the frequency of a single-tone noisy signal using linear least squares (LLS). Frequency estimation is a nonlinear problem, and typically, methods such as Nonlinear Least Squares (NLS) (batch) or a…

信号处理 · 电气工程与系统科学 2019-04-17 Solomon Davis , Izhak Bucher

Semi-Supervised Learning (SSL) is important for reducing the annotation cost for medical image segmentation models. State-of-the-art SSL methods such as Mean Teacher, FixMatch and Cross Pseudo Supervision (CPS) are mainly based on…

计算机视觉与模式识别 · 计算机科学 2025-09-03 Weiren Zhao , Lanfeng Zhong , Xin Liao , Wenjun Liao , Sichuan Zhang , Shaoting Zhang , Guotai Wang

The concept of continuous-time trajectory representation has brought increased accuracy and efficiency to multi-modal sensor fusion in modern SLAM. However, regardless of these advantages, its offline property caused by the requirement of…

机器人学 · 计算机科学 2018-03-06 Chanoh Park , Peyman Moghadam , Soohwan Kim , Alberto Elfes , Clinton Fookes , Sridha Sridharan

Quantization is one of the core components in lossy image compression. For neural image compression, end-to-end optimization requires differentiable approximations of quantization, which can generally be grouped into three categories:…

图像与视频处理 · 电气工程与系统科学 2024-03-26 Zongyu Guo , Zhizheng Zhang , Runsen Feng , Zhibo Chen

This paper focuses on regularisation methods using models up to the third order to search for up to second-order critical points of a finite-sum minimisation problem. The variant presented belongs to the framework of [3]: it employs random…

数值分析 · 数学 2021-04-05 Stefania Bellavia , Gianmarco Gurioli , Benedetta Morini , Philippe L. Toint

The sequential analysis of the problem of joint signal detection and signal-to-noise ratio (SNR) estimation for a linear Gaussian observation model is considered. The problem is posed as an optimization setup where the goal is to minimize…

信息论 · 计算机科学 2017-01-20 M. Fauß , K. G. Nagananda , A. M. Zoubir , H. V. Poor

Spiking Neural Networks (SNNs) are promising for low-power computation due to their event-driven mechanism but often suffer from lower accuracy compared to Artificial Neural Networks (ANNs). ANN-to-SNN knowledge distillation can improve SNN…

人工智能 · 计算机科学 2025-01-15 Di Hong , Yueming Wang