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Object detection has gained great progress driven by the development of deep learning. Compared with a widely studied task -- classification, generally speaking, object detection even need one or two orders of magnitude more FLOPs (floating…

计算机视觉与模式识别 · 计算机科学 2019-05-27 Yixing Li , Fengbo Ren

We consider a linear symmetric and elliptic PDE and a linear goal functional. We design and analyze a goal-oriented adaptive finite element method, which steers the adaptive mesh-refinement as well as the approximate solution of the arising…

数值分析 · 数学 2024-01-12 Roland Becker , Gregor Gantner , Michael Innerberger , Dirk Praetorius

This paper introduces a new computational methodology for determining a-posteriori multi-objective error estimates for finite-element approximations, and for constructing corresponding (quasi-)optimal adaptive refinements of finite-element…

数值分析 · 数学 2016-11-23 E. H. van Brummelen , S. Zhuk , G. J. van Zwieten

We present an adaptive algorithm for effectively solving rough differential equations (RDEs) using the log-ODE method. The algorithm is based on an error representation formula that accurately describes the contribution of local errors to…

数值分析 · 数学 2023-07-25 Christian Bayer , Simon Breneis , Terry Lyons

This research presents the development of an innovative algorithm tailored for the adaptive sampling of residual points within the framework of Physics-Informed Neural Networks (PINNs). By addressing the limitations inherent in existing…

机器学习 · 计算机科学 2023-06-16 Shikhar Nilabh , Fidel Grandia

Orthogonal parameter-efficient fine-tuning (PEFT) adapts pretrained weights through structure-preserving multiplicative transformations, but existing methods often conflate two distinct design choices: the subspace in which adaptation…

机器学习 · 计算机科学 2026-05-13 Lanxin Zhao , Bamdev Mishra , Pratik Jawanpuria , Lequan Lin , Dai Shi , Junbin Gao , Andi Han

Recent works on optical flow estimation use neural networks to predict the flow field that maps positions of one image to positions of the other. These networks consist of a feature extractor, a correlation volume, and finally several…

计算机视觉与模式识别 · 计算机科学 2025-06-05 Leyla Mirvakhabova , Hong Cai , Jisoo Jeong , Hanno Ackermann , Farhad Zanjani , Fatih Porikli

Radau IIA methods, specifically the adaptive order Radau method in Fortran due to Hairer, are known to be state-of-the-art for the high-accuracy solution of highly stiff ordinary differential equations (ODEs). However, the traditional…

数值分析 · 数学 2025-05-15 Shreyas Ekanathan , Oscar Smith , Christopher Rackauckas

In this paper, we discuss adaptive approximations of an elliptic eigenvalue optimization problem in a phase-field setting by a conforming finite element method. An adaptive algorithm is proposed and implemented in several two dimensional…

数值分析 · 数学 2025-03-10 Jing Li , Yifeng Xu , Shengfeng Zhu

The Deep Fourier Residual (DFR) method is a specific type of variational physics-informed neural networks (VPINNs). It provides a robust neural network-based solution to partial differential equations (PDEs). The DFR strategy is based on…

数值分析 · 数学 2024-01-11 Jamie M. Taylor , Manuela Bastidas , Victor M. Calo , David Pardo

In this paper, we propose a fast proximal gradient algorithm for multiobjective optimization, it is proved that the convergence rate of the accelerated algorithm for multiobjective optimization developed by Tanabe et al. can be improved…

最优化与控制 · 数学 2023-12-13 Jie Zhang , Xinmin Yang

This paper is concerned with parameter identification problem for finite impulse response (FIR) systems with binary-valued observations under low computational complexity. Most of the existing algorithms under binary-valued observations…

系统与控制 · 电气工程与系统科学 2024-12-09 Tianning Han , Ying Wang , Yanlong Zhao

In the first part of the two-part series, the model to describe the exact aggregated feasible region (AFR) of multiple types of demand-side resources is derived. Based on a discrete-time unified individual model of heterogeneous resources,…

系统与控制 · 电气工程与系统科学 2022-10-04 Yilin Wen , Zechun Hu , Shi You , Xiaoyu Duan

Parameter-efficient fine-tuning (PEFT) methods have emerged as a practical solution for adapting large foundation models to downstream tasks, reducing computational and memory costs by updating only a small subset of parameters. Among them,…

机器学习 · 计算机科学 2025-12-30 Guoan Wan , Tianyu Chen , Fangzheng Feng , Haoyi Zhou , Runhua Xu

Recently, the prediction-correction method has been developed to solve nonlinear convex optimization problems. However, its convergence rate is often poor since large regularization parameters are set to ensure convergence conditions. In…

最优化与控制 · 数学 2024-11-05 Sai Wang

Recovery type a posteriori error estimators are popular, particularly in the engineering community, for their computationally inexpensive, easy to implement, and generally asymptotically exactness. Unlike the residual type error estimators,…

数值分析 · 数学 2025-03-26 Ying Liu , Jingjing Xiao , Nianyu Yi , Huihui Cao

Mesh generation is essential for accurate and efficient computational fluid dynamics simulations. To resolve critical features in the flow, adaptive mesh refinement (AMR) is routinely employed in certain regions of the computational domain,…

流体动力学 · 物理学 2024-12-02 Yongzheng Zhu , Shiji Zhao , Yuanye Zhou , Hong Liang , Xin Bian

Kernel ridge regression (KRR) is a widely used nonparametric method due to its strong theoretical guarantees and computational convenience. However, standard KRR does not distinguish between linear and nonlinear components in the signal,…

统计理论 · 数学 2026-05-13 Xin Bing , Chao Wang

We propose Reverse Contrast Attention (RCA), a plug-in method that enhances object localization in vision-language transformers without retraining. RCA reweights final-layer attention by suppressing extremes and amplifying mid-level…

计算机视觉与模式识别 · 计算机科学 2025-07-31 Drandreb Earl O. Juanico , Rowel O. Atienza , Jeffrey Kenneth Go

This paper discusses the problem of adaptive estimation of a univariate object like the value of a regression function at a given point or a linear functional in a linear inverse problem. We consider an adaptive procedure originated from…

统计理论 · 数学 2009-08-26 Vladimir Spokoiny , Céline Vial