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To analyze marine animals behavior, seasonal distribution and abundance, digital imagery can be acquired by visual or Lidar camera. Depending on the quantity and properties of acquired imagery, the animals are characterized as either…

计算机视觉与模式识别 · 计算机科学 2017-05-04 Zheng Cao , Shujian Yu , Bing Ouyang , Fraser Dalgleish , Anni Vuorenkoski , Gabriel Alsenas , Jose Principe

Motivated by emerging technologies for energy efficient analog computing and continuous-time processing, this paper proposes continuous-time minimum mean squared error estimation for multiple-input multiple-output (MIMO) systems based on an…

信息论 · 计算机科学 2022-09-05 Ayano Nakai-Kasai , Tadashi Wadayama

This paper presents a new method for jointly calibrating a magnetometer and inertial measurement unit (IMU), focusing on balancing calibration accuracy and computational efficiency. The proposed method is based on a maximum a posteriori…

机器人学 · 计算机科学 2026-04-22 Chuan Huang , Gustaf Hendeby , Isaac Skog

Multi-objective optimization (MOO) is receiving more attention in various fields such as multi-task learning. Recent works provide some effective algorithms with theoretical analysis but they are limited by the standard $L$-smooth or…

机器学习 · 计算机科学 2025-03-11 Qi Zhang , Peiyao Xiao , Shaofeng Zou , Kaiyi Ji

Multilook coherent imaging is a widely used technique in applications such as digital holography, ultrasound imaging, and synthetic aperture radar. A central challenge in these systems is the presence of multiplicative noise, commonly known…

机器学习 · 统计学 2025-05-30 Xi Chen , Soham Jana , Christopher A. Metzler , Arian Maleki , Shirin Jalali

Training convolutional neural networks (CNNs) on high-resolution images is often bottlenecked by the cost of evaluating gradients of the loss on the finest spatial mesh. To address this, we propose Multiscale Gradient Estimation (MGE), a…

机器学习 · 计算机科学 2026-03-03 Shadab Ahamed , Niloufar Zakariaei , Eldad Haber , Moshe Eliasof

In numerical magnetohydrodynamics (MHD), a major challenge is maintaining zero magnetic field-divergence (div-B). Constrained transport (CT) schemes can achieve this at high accuracy, but have generally been restricted to very specific…

天体物理仪器与方法 · 物理学 2017-07-11 Philip F. Hopkins

The Kalman filter provides an optimal estimation for a linear system with Gaussian noise. However when the noises are non-Gaussian in nature, its performance deteriorates rapidly. For non-Gaussian noises, maximum correntropy Kalman filter…

最优化与控制 · 数学 2023-02-07 Joydeb Saha , Shovan Bhaumik

As one of the most advanced variants in the correntropy family, the multi-kernel correntropy criterion demonstrates superior accuracy in handling non-Gaussian noise, particularly with multimodal distributions. However, current approaches…

信号处理 · 电气工程与系统科学 2026-01-21 Duc Viet Nguyen , Haiquan Zhao , Jinhui Hu , Xiaoli Li

Robust matrix completion aims to recover a low-rank matrix from a subset of noisy entries perturbed by complex noises, where traditional methods for matrix completion may perform poorly due to utilizing $l_2$ error norm in optimization. In…

信息论 · 计算机科学 2020-02-19 Yicong He , Fei Wang , Yingsong Li , Jing Qin , Badong Chen

Involuntary motion during weight-bearing cone-beam computed tomography (CT) scans of the knee causes artifacts in the reconstructed volumes making them unusable for clinical diagnosis. Currently, image-based or marker-based methods are…

计算机视觉与模式识别 · 计算机科学 2020-10-22 Jennifer Maier , Marlies Nitschke , Jang-Hwan Choi , Garry Gold , Rebecca Fahrig , Bjoern M. Eskofier , Andreas Maier

Data representation techniques have made a substantial contribution to advancing data processing and machine learning (ML). Improving predictive power was the focus of previous representation techniques, which unfortunately perform rather…

机器学习 · 计算机科学 2022-05-24 Qiyou Duan , Hadi Ghauch , Taejoon Kim

Nonconvex optimization underlies many modern machine learning and control tasks, where saddle points pose the dominant obstacle to reliable convergence in high-dimensional settings. Escaping these saddle points deterministically using…

最优化与控制 · 数学 2026-05-13 Liraz Mudrik , Isaac Kaminer , Sean Kragelund , Abram H. Clark

Inverted Generational Distance (IGD) has been widely considered as a reliable performance indicator to concurrently quantify the convergence and diversity of multi- and many-objective evolutionary algorithms. In this paper, an IGD…

神经与进化计算 · 计算机科学 2018-02-27 Yanan Sun , Gary G. Yen , Zhang Yi

Gradient Descent (GD) and Conjugate Gradient (CG) methods are among the most effective iterative algorithms for solving unconstrained optimization problems, particularly in machine learning and statistical modeling, where they are employed…

最优化与控制 · 数学 2024-12-19 Xianqi Jiao , Jia Liu , Zhiping Chen

Recently, the motion averaging method has been introduced as an effective means to solve the multi-view registration problem. This method aims to recover global motions from a set of relative motions, where the original method is sensitive…

计算机视觉与模式识别 · 计算机科学 2021-05-18 Jihua Zhu , Jie Hu , Huimin Lu , Badong Chen , Zhongyu Li

This paper proposes a novel inertial-aided localization approach by fusing information from multiple inertial measurement units (IMUs) and exteroceptive sensors. IMU is a low-cost motion sensor which provides measurements on angular…

机器人学 · 计算机科学 2020-01-20 Ming Zhang , Yiming Chen , Xiangyu Xu , Mingyang Li

Inertial Measurement Units (IMUs) are interceptive modalities that provide ego-motion measurements independent of the environmental factors. They are widely adopted in various autonomous systems. Motivated by the limitations in processing…

机器学习 · 计算机科学 2021-01-19 Rooholla Khorrambakht , Chris Xiaoxuan Lu , Hamed Damirchi , Zhenghua Chen , Zhengguo Li

This paper introduces a nonlinear conjugate gradient method (NCGM) for addressing the robust counterpart of uncertain multiobjective optimization problems (UMOPs). Here, the robust counterpart is defined as the minimum across objective-wise…

最优化与控制 · 数学 2025-03-04 Shubham Kumar , Nihar Kumar Mahato , Debdas Ghosh

In this work, we propose a novel method for performing inertial aided navigation, by using deep neural networks (DNNs). To date, most DNN inertial navigation methods focus on the task of inertial odometry, by taking gyroscope and…

机器人学 · 计算机科学 2021-03-29 Ming Zhang , Mingming Zhang , Yiming Chen , Mingyang Li