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Mining structural priors in data is a widely recognized technique for hyperspectral image (HSI) denoising tasks, whose typical ways include model-based methods and data-based methods. The model-based methods have good generalization…

计算机视觉与模式识别 · 计算机科学 2023-02-08 Jiangjun Peng , Hailin Wang , Xiangyong Cao , Xinlin Liu , Xiangyu Rui , Deyu Meng

We consider signal source localization from range-difference measurements. First, we give some readily-checked conditions on measurement noises and sensor deployment to guarantee the asymptotic identifiability of the model and show the…

信号处理 · 电气工程与系统科学 2023-09-26 Guangyang Zeng , Biqiang Mu , Ling Shi , Jiming Chen , Junfeng Wu

We propose PR-RRN, a novel neural-network based method for Non-rigid Structure-from-Motion (NRSfM). PR-RRN consists of Residual-Recursive Networks (RRN) and two extra regularization losses. RRN is designed to effectively recover 3D shape…

计算机视觉与模式识别 · 计算机科学 2021-08-18 Haitian Zeng , Yuchao Dai , Xin Yu , Xiaohan Wang , Yi Yang

To achieve the sensitivity required to detect signals from neutral hydrogen from the Cosmic Dawn and Epoch of Reionisation it is critical to have a well-calibrated instrument which has a stable calibration over the course of the…

天体物理仪器与方法 · 物理学 2026-03-04 Christian J. Kirkham , Dominic J. Anstey , Eloy de Lera Acedo

During a surface acquisition process using 3D scanners, noise is inevitable and an important step in geometry processing is to remove these noise components from these surfaces (given as points-set or triangulated mesh). The noise-removal…

图形学 · 计算机科学 2022-05-16 Sunil Kumar Yadav , Martin Skrodzki , Eric Zimmermann , Konrad Polthier

Robustness to environmental noise is important to creating automatic speech emotion recognition systems that are deployable in the real world. Prior work on noise robustness has assumed that systems would not make use of sample-by-sample…

声音 · 计算机科学 2020-10-23 Alex Wilf , Emily Mower Provost

Symmetries are ubiquitous across all kinds of objects, whether in nature or in man-made creations. While these symmetries may seem intuitive to the human eye, detecting them with a machine is nontrivial due to the vast search space.…

计算机视觉与模式识别 · 计算机科学 2024-10-07 Jihyeon Je , Jiayi Liu , Guandao Yang , Boyang Deng , Shengqu Cai , Gordon Wetzstein , Or Litany , Leonidas Guibas

Speech recognition in noisy and channel distorted scenarios is often challenging as the current acoustic modeling schemes are not adaptive to the changes in the signal distribution in the presence of noise. In this work, we develop a novel…

音频与语音处理 · 电气工程与系统科学 2020-11-03 Purvi Agrawal , Sriram Ganapathy

Rotation averaging (RA) is a fundamental problem in robotics and computer vision. In RA, the goal is to estimate a set of $N$ unknown orientations $R_{1}, ..., R_{N} \in SO(3)$, given noisy measurements $R_{ij} \sim R^{-1}_{i} R_{j}$ of a…

计算机视觉与模式识别 · 计算机科学 2023-11-29 Owen Howell , Haoen Huang , David Rosen

Radio Map Prediction (RMP), aiming at estimating coverage of radio wave, has been widely recognized as an enabling technology for improving radio spectrum efficiency. However, fast and reliable radio map prediction can be very challenging…

信号处理 · 电气工程与系统科学 2021-05-18 Yu Tian , Shuai Yuan , Weisheng Chen , Naijin Liu

Random smoothing data augmentation is a unique form of regularization that can prevent overfitting by introducing noise to the input data, encouraging the model to learn more generalized features. Despite its success in various…

机器学习 · 统计学 2023-05-15 Liang Ding , Tianyang Hu , Jiahang Jiang , Donghao Li , Wenjia Wang , Yuan Yao

Multiresolution image fusion is a key problem for real-time satellite imaging and plays a central role in detecting and monitoring natural phenomena such as floods. It aims to solve the trade-off between temporal and spatial resolution in…

图像与视频处理 · 电气工程与系统科学 2025-09-17 Haoqing Li , Ricardo Borsoi , Tales Imbiriba , Pau Closas

Event cameras, which capture brightness changes with high temporal resolution, inherently generate a significant amount of redundant and noisy data beyond essential object structures. The primary challenge in event-based object recognition…

计算机视觉与模式识别 · 计算机科学 2025-05-27 Haiyu Li , Charith Abhayaratne

Flat regions of the neural network loss landscape have long been hypothesized to correlate with better generalization properties. A closely related but distinct problem is training models that are robust to internal perturbations to their…

机器学习 · 计算机科学 2026-02-10 Philip Jacobson , Ben Feinberg , Suhas Kumar , Sapan Agarwal , T. Patrick Xiao , Christopher Bennett

The analysis of Synthetic Aperture Radar (SAR) imagery is an important step in remote sensing applications, and it is a challenging problem due to its inherent speckle noise. One typical solution is to model the data using the $G_I^0$…

计算机视觉与模式识别 · 计算机科学 2023-09-08 Li Fan , Jeova Farias Sales Rocha Neto

Precipitation nowcasting based on radar echo maps is essential in meteorological research. Recently, Convolutional RNNs based methods dominate this field, but they cannot be solved by parallel computation resulting in longer inference time.…

计算机视觉与模式识别 · 计算机科学 2022-05-06 Feng Sun , Cong Bai

Place recognition plays an important role in achieving robust long-term autonomy. Real-world robots face a wide range of weather conditions (e.g. overcast, heavy rain, and snowing) and most sensors (i.e. camera, LiDAR) essentially…

机器人学 · 计算机科学 2025-05-13 Hogyun Kim , Byunghee Choi , Euncheol Choi , Younggun Cho

Under losses which are potentially heavy-tailed, we consider the task of minimizing sums of the loss mean and standard deviation, without trying to accurately estimate the variance. By modifying a technique for variance-free robust mean…

机器学习 · 统计学 2024-02-12 Matthew J. Holland

The problem of adversarial examples has shown that modern Neural Network (NN) models could be rather fragile. Among the more established techniques to solve the problem, one is to require the model to be {\it $\epsilon$-adversarially…

机器学习 · 计算机科学 2020-11-17 Yuxin Wen , Shuai Li , Kui Jia

Neural machine translation (NMT) is notoriously sensitive to noises, but noises are almost inevitable in practice. One special kind of noise is the homophone noise, where words are replaced by other words with similar pronunciations. We…

计算与语言 · 计算机科学 2019-06-05 Hairong Liu , Mingbo Ma , Liang Huang , Hao Xiong , Zhongjun He