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Traditional 2D pose estimation models are limited by their category-specific design, making them suitable only for predefined object categories. This restriction becomes particularly challenging when dealing with novel objects due to the…

计算机视觉与模式识别 · 计算机科学 2024-12-03 Or Hirschorn , Shai Avidan

Predicting how a dynamical unit evolves over time - how an individual ages, an epidemic spreads, or a physical system degrades - typically requires dense longitudinal tracking. When only extremely sparse or entirely cross-sectional data is…

机器学习 · 计算机科学 2026-05-25 Christian Lagemann , Kai Lagemann , Steven L. Brunton , Sach Mukherjee

Predicting lower limb motion intent is vital for controlling exoskeleton robots and prosthetic limbs. Surface electromyography (sEMG) attracts increasing attention in recent years as it enables ahead-of-time prediction of motion intentions…

In this paper we present the theoretical framework needed to justify the use of a kernel-based collocation method (meshfree approximation method) to estimate the solution of high-dimensional stochastic partial differential equations…

数值分析 · 数学 2012-09-11 Igor Cialenco , Gregory E. Fasshauer , Qi Ye

3D Human Pose Estimation (HPE) is the task of locating keypoints of the human body in 3D space from 2D or 3D representations such as RGB images, depth maps or point clouds. Current HPE methods from depth and point clouds predominantly rely…

计算机视觉与模式识别 · 计算机科学 2024-09-04 Irene Ballester , Ondřej Peterka , Martin Kampel

Human pose estimation (HPE) is one of the most challenging tasks in computer vision as humans are deformable by nature and thus their pose has so much variance. HPE aims to correctly identify the main joint locations of a single person or…

计算机视觉与模式识别 · 计算机科学 2021-07-30 Ahmed Elhagry , Mohamed Saeed , Musie Araia

Spatially-adaptive normalization is remarkably successful recently in conditional semantic image synthesis, which modulates the normalized activation with spatially-varying transformations learned from semantic layouts, to preserve the…

计算机视觉与模式识别 · 计算机科学 2020-04-07 Zhentao Tan , Dongdong Chen , Qi Chu , Menglei Chai , Jing Liao , Mingming He , Lu Yuan , Nenghai Yu

While exogenous variables have a major impact on performance improvement in time series analysis, inter-series correlation and time dependence among them are rarely considered in the present continuous methods. The dynamical systems of…

机器学习 · 计算机科学 2023-09-26 Penglei Gao , Xi Yang , Rui Zhang , Ping Guo , John Y. Goulermas , Kaizhu Huang

Stochastic Neighbor Embedding (SNE) is a manifold learning and dimensionality reduction method with a probabilistic approach. In SNE, every point is consider to be the neighbor of all other points with some probability and this probability…

机器学习 · 统计学 2022-08-04 Benyamin Ghojogh , Ali Ghodsi , Fakhri Karray , Mark Crowley

This paper proposes SenseExpo, an efficient autonomous exploration framework based on a lightweight prediction network, which addresses the limitations of traditional methods in computational overhead and environmental generalization. By…

计算机视觉与模式识别 · 计算机科学 2025-03-21 Haojia Gao , Haohua Que , Hoiian Au , Weihao Shan , Mingkai Liu , Yusen Qin , Lei Mu , Rong Zhao , Xinghua Yang , Qi Wei , Fei Qiao

Kernel Density Estimation (KDE) is a nonparametric method for estimating the shape of a density function, given a set of samples from the distribution. Recently, locality-sensitive hashing, originally proposed as a tool for nearest neighbor…

数据结构与算法 · 计算机科学 2022-03-02 Matti Karppa , Martin Aumüller , Rasmus Pagh

Simulation-based inference (SBI) enables amortized Bayesian inference by first training a neural posterior estimator (NPE) on prior-simulator pairs, typically through low-dimensional summary statistics, which can then be cheaply reused for…

机器学习 · 统计学 2026-02-11 Sherman Khoo , Dennis Prangle , Song Liu , Mark Beaumont

Estimating 3D human pose from a single image suffers from severe ambiguity since multiple 3D joint configurations may have the same 2D projection. The state-of-the-art methods often rely on context modeling methods such as pictorial…

计算机视觉与模式识别 · 计算机科学 2021-03-31 Xiaoxuan Ma , Jiajun Su , Chunyu Wang , Hai Ci , Yizhou Wang

In modern statistics, interests shift from pursuing the uniformly minimum variance unbiased estimator to reducing mean squared error (MSE) or residual squared error. Shrinkage based estimation and regression methods offer better prediction…

统计方法学 · 统计学 2025-02-25 Tianyu Zhan , Haoda Fu , Jian Kang

Molecular simulation trajectories represent high-dimensional data. Such data can be visualized by methods of dimensionality reduction. Non-linear dimensionality reduction methods are likely to be more efficient than linear ones due to the…

化学物理 · 物理学 2020-08-24 Vojtěch Spiwok , Pavel Kříž

Evaluating rare but high-stakes events is one of the main challenges in obtaining reliable reinforcement learning policies, especially in large or infinite state/action spaces where limited scalability dictates a prohibitively large number…

机器学习 · 计算机科学 2022-10-04 Mengdi Xu , Peide Huang , Fengpei Li , Jiacheng Zhu , Xuewei Qi , Kentaro Oguchi , Zhiyuan Huang , Henry Lam , Ding Zhao

Parameter estimation and associated uncertainty quantification is an important problem in dynamical systems characterized by ordinary differential equation (ODE) models that are often nonlinear. Typically, such models have analytically…

统计计算 · 统计学 2024-03-26 Wai Meng Kwok , Sarat Chandra Dass , George Streftaris

The techno-economic and safety concerns of battery capacity knee occurrence call for developing online knee detection and prediction methods as an advanced battery management system (BMS) function. To address this, a transferable…

系统与控制 · 电气工程与系统科学 2025-08-18 Huang Zhang , Xixi Liu , Faisal Altaf , Torsten Wik

Offline black-box optimization aims to discover novel designs with high property scores using only a static dataset, a task fundamentally challenged by the out-of-distribution (OOD) extrapolation problem. Existing approaches typically…

机器学习 · 计算机科学 2026-05-22 Yonghan Yang , Ye Yuan , Zipeng Sun , Linfeng Du , Bowei He , Haolun Wu , Can Chen , Xue Liu

The challenges in feature selection, particularly in balancing model accuracy, interpretability, and computational efficiency, remain a critical issue in advancing machine learning methodologies. To address these complexities, this study…

机器学习 · 计算机科学 2026-01-06 Nachiket Kapure , Harsh Joshi , Parul Kumari , Rajeshwari Mistri , Manasi Mali