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Subspace clustering aims to group data points into multiple clusters of which each corresponds to one subspace. Most existing subspace clustering approaches assume that input data lie on linear subspaces. In practice, however, this…

计算机视觉与模式识别 · 计算机科学 2020-03-30 Liangli Zhen , Dezhong Peng , Wei Wang , Xin Yao

Motivated by the growing interest in representation learning approaches that uncover the latent structure of high-dimensional data, this work proposes new algorithms for reconstruction-based manifold learning within Reproducing-Kernel…

机器学习 · 计算机科学 2026-05-07 Enrique Feito-Casares , Francisco M. Melgarejo-Meseguer , José-Luis Rojo-Álvarez

We present a new framework for online Least Squares algorithms for nonlinear modeling in RKH spaces (RKHS). Instead of implicitly mapping the data to a RKHS (e.g., kernel trick), we map the data to a finite dimensional Euclidean space,…

机器学习 · 计算机科学 2016-06-14 Pantelis Bouboulis , Spyridon Pougkakiotis , Sergios Theodoridis

In presence of sparse noise we propose kernel regression for predicting output vectors which are smooth over a given graph. Sparse noise models the training outputs being corrupted either with missing samples or large perturbations. The…

机器学习 · 统计学 2018-11-07 Arun Venkitaraman , Pascal Frossard , Saikat Chatterjee

Kernel-based methods enjoy powerful generalization capabilities in handling a variety of learning tasks. When such methods are provided with sufficient training data, broadly-applicable classes of nonlinear functions can be approximated…

机器学习 · 统计学 2017-12-29 Fatemeh Sheikholeslami , Dimitris Berberidis , Georgios B. Giannakis

We present PartNerFace, a part-based neural radiance fields approach, for reconstructing animatable facial avatar from monocular RGB videos. Existing solutions either simply condition the implicit network with the morphable model parameters…

计算机视觉与模式识别 · 计算机科学 2026-04-16 Xianggang Yu , Lingteng Qiu , Xiaohang Ren , Guanying Chen , Shuguang Cui , Xiaoguang Han , Baoyuan Wang

We propose an image-to-image translation framework for facial attribute editing with disentangled interpretable latent directions. Facial attribute editing task faces the challenges of targeted attribute editing with controllable strength…

计算机视觉与模式识别 · 计算机科学 2025-04-01 Yusuf Dalva , Hamza Pehlivan , Cansu Moran , Öykü Irmak Hatipoğlu , Ayşegül Dündar

We prove the statistical consistency of kernel Partial Least Squares Regression applied to a bounded regression learning problem on a reproducing kernel Hilbert space. Partial Least Squares stands out of well-known classical approaches as…

统计方法学 · 统计学 2010-08-13 Gilles Blanchard , Nicole Kraemer

Kernel regression is a popular non-parametric fitting technique. It aims at learning a function which estimates the targets for test inputs as precise as possible. Generally, the function value for a test input is estimated by a weighted…

机器学习 · 计算机科学 2017-12-27 Rongqing Huang , Shiliang Sun

Exploiting the variational interpretation of kernel interpolation we exhibit a direct connection between interpolation and regression, where interpolation appears as a limiting case of regression. By applying this framework to point clouds…

数值分析 · 数学 2026-02-09 Patrick Guidotti

In this paper, we propose a novel algorithm for analysis-based sparsity reconstruction. It can solve the generalized problem by structured sparsity regularization with an orthogonal basis and total variation regularization. The proposed…

计算机视觉与模式识别 · 计算机科学 2015-04-29 Chen Chen , Junzhou Huang , Lei He , Hongsheng Li

In this paper, we introduce a new image representation based on a multilayer kernel machine. Unlike traditional kernel methods where data representation is decoupled from the prediction task, we learn how to shape the kernel with…

机器学习 · 统计学 2016-10-26 Julien Mairal

Advances in the realm of Generative Adversarial Networks (GANs) have led to architectures capable of producing amazingly realistic images such as StyleGAN2, which, when trained on the FFHQ dataset, generates images of human faces from…

计算机视觉与模式识别 · 计算机科学 2021-05-18 Mengyu Yang , David Rokeby , Xavier Snelgrove

Generating and manipulating human facial images using high-level attributal controls are important and interesting problems. The models proposed in previous work can solve one of these two problems (generation or manipulation), but not both…

计算机视觉与模式识别 · 计算机科学 2017-04-10 Weidong Yin , Yanwei Fu , Leonid Sigal , Xiangyang Xue

For nonrigid image registration, matching the particular structures (or the outliers) that have missing correspondence and/or local large deformations, can be more difficult than matching the common structures with small deformations in the…

计算机视觉与模式识别 · 计算机科学 2013-04-16 Binjie Qin , Zhuangming Shen , Zien Zhou , Jiawei Zhou , Jiuai Sun , Hui Zhang , Mingxing Hu , Yisong Lv

This paper introduces two novel approaches for Online Multi-Task Learning (MTL) Regression Problems. We employ a high performance graph-based MTL formulation and develop two alternative recursive versions based on the Weighted Recursive…

机器学习 · 统计学 2024-03-19 Gabriel R. Lencione , Fernando J. Von Zuben

Current deep image super-resolution (SR) approaches aim to restore high-resolution images from down-sampled images or by assuming degradation from simple Gaussian kernels and additive noises. However, these techniques only assume crude…

计算机视觉与模式识别 · 计算机科学 2024-09-06 Hu Wang , Congbo Ma , Jianpeng Zhang , Wei Emma Zhang , Gustavo Carneiro

In the last decade, a considerable research effort has been devoted to developing adaptive algorithms based on kernel functions. One of the main features of these algorithms is that they form a family of universal approximation techniques,…

信号处理 · 电气工程与系统科学 2018-08-21 A. Flores , R. C. de Lamare

Keypoint detection is one of the most important pre-processing steps in tasks such as face modeling, recognition and verification. In this paper, we present an iterative method for Keypoint Estimation and Pose prediction of unconstrained…

计算机视觉与模式识别 · 计算机科学 2017-02-17 Amit Kumar , Azadeh Alavi , Rama Chellappa

Despite the recent advance of Generative Adversarial Networks (GANs) in high-fidelity image synthesis, there lacks enough understanding of how GANs are able to map a latent code sampled from a random distribution to a photo-realistic image.…

计算机视觉与模式识别 · 计算机科学 2020-04-01 Yujun Shen , Jinjin Gu , Xiaoou Tang , Bolei Zhou