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We propose a new decentralized robust kernel-based learning algorithm within the framework of reproducing kernel Hilbert spaces (RKHSs) by utilizing a networked system that can be represented as a connected graph. The robust loss function…

机器学习 · 计算机科学 2025-08-18 Zhan Yu , Zhongjie Shi , Ding-Xuan Zhou

Existing fine-grained hashing methods typically lack code interpretability as they compute hash code bits holistically using both global and local features. To address this limitation, we propose ConceptHash, a novel method that achieves…

计算机视觉与模式识别 · 计算机科学 2024-06-13 Kam Woh Ng , Xiatian Zhu , Yi-Zhe Song , Tao Xiang

State-of-the-art video deblurring methods use deep network architectures to recover sharpened video frames. Blurring especially degrades high-frequency (HF) information, yet this aspect is often overlooked by recent models that focus more…

计算机视觉与模式识别 · 计算机科学 2024-12-03 Bo Ji , Angela Yao

We propose a method for feature selection that employs kernel-based measures of independence to find a subset of covariates that is maximally predictive of the response. Building on past work in kernel dimension reduction, we show how to…

机器学习 · 统计学 2018-10-23 Jianbo Chen , Mitchell Stern , Martin J. Wainwright , Michael I. Jordan

The existing research on spectral algorithms, applied within a Reproducing Kernel Hilbert Space (RKHS), has primarily focused on general kernel functions, often neglecting the inherent structure of the input feature space. Our paper…

机器学习 · 统计学 2024-03-08 Weichun Xia , Lei Shi

This study presents an efficient approach for incomplete data classification, where the entries of samples are missing or masked due to privacy preservation. To deal with these incomplete data, a new kernel function with asymmetric…

机器学习 · 计算机科学 2016-11-22 Bo-Wei Chen

Kernel survival analysis methods predict subject-specific survival curves and times using information about which training subjects are most similar to a test subject. These most similar training subjects could serve as forecast evidence.…

机器学习 · 统计学 2020-07-28 George H. Chen

We propose a novel approach for pixel classification in hyperspectral images, leveraging on both the spatial and spectral information in the data. The introduced method relies on a recently proposed framework for learning on distributions…

计算机视觉与模式识别 · 计算机科学 2016-05-31 Gianni Franchi , Jesus Angulo , Dino Sejdinovic

Ordinary differential equation (ODE) is widely used in modeling biological and physical processes in science. In this article, we propose a new reproducing kernel-based approach for estimation and inference of ODE given noisy observations.…

统计方法学 · 统计学 2021-10-26 Xiaowu Dai , Lexin Li

We present an I/O-efficient algorithm for computing similarity joins based on locality-sensitive hashing (LSH). In contrast to the filtering methods commonly suggested our method has provable sub-quadratic dependency on the data size.…

数据结构与算法 · 计算机科学 2017-03-29 Rasmus Pagh , Ninh Pham , Francesco Silvestri , Morten Stöckel

In this paper, we propose a novel supervised learning method that is called Deep Embedding Kernel (DEK). DEK combines the advantages of deep learning and kernel methods in a unified framework. More specifically, DEK is a learnable kernel…

机器学习 · 统计学 2018-04-17 Linh Le , Ying Xie

Dynamic texture (DT) exhibits statistical stationarity in the spatial domain and stochastic repetitiveness in the temporal dimension, indicating that different frames of DT possess a high similarity correlation that is critical prior…

计算机视觉与模式识别 · 计算机科学 2022-07-04 Shiming Chen , Peng Zhang , Guo-Sen Xie , Qinmu Peng , Zehong Cao , Wei Yuan , Xinge You

The field of Automatic Machine Learning (AutoML) has recently attained impressive results, including the discovery of state-of-the-art machine learning solutions, such as neural image classifiers. This is often done by applying an…

This work is concerned with the kernel-based approximation of a complex-valued function from data, where the frequency response function of a partial differential equation in the frequency domain is of particular interest. In this setting,…

计算工程、金融与科学 · 计算机科学 2024-11-26 Julien Bect , Niklas Georg , Ulrich Römer , Sebastian Schöps

The kernel least-mean-square (KLMS) algorithm is an appealing tool for online identification of nonlinear systems due to its simplicity and robustness. In addition to choosing a reproducing kernel and setting filter parameters, designing a…

机器学习 · 统计学 2013-11-01 Jie Chen , Wei Gao , Cédric Richard , Jose-Carlos M. Bermudez

Large scale online kernel learning aims to build an efficient and scalable kernel-based predictive model incrementally from a sequence of potentially infinite data points. A current key approach focuses on ways to produce an approximate…

机器学习 · 计算机科学 2019-09-25 Kai Ming Ting , Jonathan R. Wells , Takashi Washio

Hashing has been recognized as an efficient representation learning method to effectively handle big data due to its low computational complexity and memory cost. Most of the existing hashing methods focus on learning the low-dimensional…

计算机视觉与模式识别 · 计算机科学 2019-01-08 Yujuan Ding , Wai Kueng Wong , Zhihui Lai , Zheng Zhang

Random feature approximation is arguably one of the most popular techniques to speed up kernel methods in large scale algorithms and provides a theoretical approach to the analysis of deep neural networks. We analyze generalization…

机器学习 · 计算机科学 2023-08-30 Mike Nguyen , Nicole Mücke

Extracting informative image features and learning effective approximate hashing functions are two crucial steps in image retrieval . Conventional methods often study these two steps separately, e.g., learning hash functions from a…

计算机视觉与模式识别 · 计算机科学 2015-10-28 Ruimao Zhang , Liang Lin , Rui Zhang , Wangmeng Zuo , Lei Zhang

We propose a general framework for differentiating shapes represented in binary images with respect to their parameters. This framework functions as an automatic differentiation tool for shape parameters, generating both binary density maps…

计算物理 · 物理学 2024-12-04 Zhaocheng Liu , Jim Bonar
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