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In the era of pre-trained models, image clustering task is usually addressed by two relevant stages: a) to produce features from pre-trained vision models; and b) to find clusters from the pre-trained features. However, these two stages are…

计算机视觉与模式识别 · 计算机科学 2025-01-09 W. He , Z. Huang , X. Meng , X. Qi , R. Xiao , C. -G. Li

We establish conditions under which a continuous time reservoir computer, such as a leaky integrator echo state network, admits a generalised synchronisation $f$ between between the source dynamics and reservoir dynamics. We show that…

动力系统 · 数学 2023-10-27 Allen G Hart

Deep neural networks have seen tremendous success for different modalities of data including images, videos, and speech. This success has led to their deployment in mobile and embedded systems for real-time applications. However, making…

计算机视觉与模式识别 · 计算机科学 2019-01-31 Nitthilan Kannappan Jayakodi , Anwesha Chatterjee , Wonje Choi , Janardhan Rao Doppa , Partha Pratim Pande

Foundational models, trained on vast and diverse datasets, have demonstrated remarkable capabilities in generalizing across different domains and distributions for various zero-shot tasks. Our work addresses the challenge of retaining these…

计算机视觉与模式识别 · 计算机科学 2024-09-13 Tom Shaked , Yuval Goldman , Oran Shayer

Continual fine-tuning aims to adapt a pre-trained backbone to new tasks sequentially while preserving performance on earlier tasks whose data are no longer available. Existing approaches fall into two categories which include input- and…

机器学习 · 计算机科学 2026-03-17 Hang Thi-Thuy Le , Long Minh Bui , Minh Hoang , Trong Nghia Hoang

We present GOFMM (geometry-oblivious FMM), a novel method that creates a hierarchical low-rank approximation, "compression," of an arbitrary dense symmetric positive definite (SPD) matrix. For many applications, GOFMM enables an approximate…

数值分析 · 计算机科学 2017-07-04 Chenhan D. Yu , James Levitt , Severin Reiz , George Biros

Cross-modal retrieval across image and text modalities is a challenging task due to its inherent ambiguity: An image often exhibits various situations, and a caption can be coupled with diverse images. Set-based embedding has been studied…

计算机视觉与模式识别 · 计算机科学 2023-07-25 Dongwon Kim , Namyup Kim , Suha Kwak

We study the problem of learning similarity by using nonlinear embedding models (e.g., neural networks) from all possible pairs. This problem is well-known for its difficulty of training with the extreme number of pairs. For the special…

机器学习 · 统计学 2021-06-16 Bowen Yuan , Yu-Sheng Li , Pengrui Quan , Chih-Jen Lin

The linear finite element approximation of a general linear diffusion problem with arbitrary anisotropic meshes is considered. The conditioning of the resultant stiffness matrix and the Jacobi preconditioned stiffness matrix is investigated…

数值分析 · 数学 2019-05-08 Lennard Kamenski , Weizhang Huang

Graph embedding is a central problem in social network analysis and many other applications, aiming to learn the vector representation for each node. While most existing approaches need to specify the neighborhood and the dependence form to…

机器学习 · 计算机科学 2018-06-06 Shupeng Gui , Xiangliang Zhang , Shuang Qiu , Mingrui Wu , Jieping Ye , Ji Liu

Existing computationally efficient methods for penalized likelihood GAM fitting employ iterative smoothness selection on working linear models (or working mixed models). Such schemes fail to converge for a non-negligible proportion of…

统计方法学 · 统计学 2015-11-13 Simon N. Wood

Robustness, domain adaptation, photometric/occlusion invariance, sensor drift, and alignment style are treated as separate literatures with separate method families. Under label-preserving deployment shift they share one geometric object:…

机器学习 · 计算机科学 2026-05-26 Vishal Rajput

We propose a method to efficiently determine the optimal coarse-grained force field in mesoscopic stochastic simulations of Newtonian fluid and polymer melt systems modeled by dissipative particle dynamics (DPD) and energy conserving…

计算物理 · 物理学 2017-01-04 Huan Lei , Xiu Yang , Zhen Li , George Karniadakis

Correlation based stereo matching has achieved outstanding performance, which pursues cost volume between two feature maps. Unfortunately, current methods with a fixed model do not work uniformly well across various datasets, greatly…

计算机视觉与模式识别 · 计算机科学 2023-08-23 Junpeng Jing , Jiankun Li , Pengfei Xiong , Jiangyu Liu , Shuaicheng Liu , Yichen Guo , Xin Deng , Mai Xu , Lai Jiang , Leonid Sigal

Fast and robust image matching is a very important task with various applications in computer vision and robotics. In this paper, we compare the performance of three different image matching techniques, i.e., SIFT, SURF, and ORB, against…

计算机视觉与模式识别 · 计算机科学 2017-10-10 Ebrahim Karami , Siva Prasad , Mohamed Shehata

Recent works in medical image registration have proposed the use of Implicit Neural Representations, demonstrating performance that rivals state-of-the-art learning-based methods. However, these implicit representations need to be optimized…

图像与视频处理 · 电气工程与系统科学 2023-10-04 Louis D. van Harten , Jaap Stoker , Ivana Išgum

As repositories of large scale data in earth observation (EO) have grown, so have transfer and storage costs for model training and inference, expending significant resources. We introduce Neural Embedding Compression (NEC), based on the…

机器学习 · 计算机科学 2024-07-11 Carlos Gomes , Thomas Brunschwiler

To study convergence of SMACOF we introduce a modification mSMACOF that rotates the configurations from each of the SMACOF iterations to principal components. This modification, called mSMACOF, has the same stress values as SMACOF in each…

统计计算 · 统计学 2024-07-19 Jan De Leeuw

Adapting Foundation Models (FMs) for downstream tasks through Federated Learning (FL) emerges a promising strategy for protecting data privacy and valuable FMs. Existing methods fine-tune FM by allocating sub-FM to clients in FL, however,…

机器学习 · 计算机科学 2024-04-30 Zhaopeng Peng , Xiaoliang Fan , Yufan Chen , Zheng Wang , Shirui Pan , Chenglu Wen , Ruisheng Zhang , Cheng Wang

Joint space trajectory optimization under end-effector task constraints leads to a challenging non-convex problem. Thus, a real-time adaptation of prior computed trajectories to perturbation in task constraints often becomes intractable.…