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Face Recognition (FR) has been the interest to several researchers over the past few decades due to its passive nature of biometric authentication. Despite high accuracy achieved by face recognition algorithms under controlled conditions,…

计算机视觉与模式识别 · 计算机科学 2016-10-05 Samik Banerjee , Sukhendu Das

This paper introduces a method to encode the blur operators of an arbitrary dataset of sharp-blur image pairs into a blur kernel space. Assuming the encoded kernel space is close enough to in-the-wild blur operators, we propose an…

计算机视觉与模式识别 · 计算机科学 2021-04-06 Phong Tran , Anh Tran , Quynh Phung , Minh Hoai

This paper presents an end-to-end differentiable algorithm for robust and detail-preserving surface normal estimation on unstructured point-clouds. We utilize graph neural networks to iteratively parameterize an adaptive anisotropic kernel…

计算机视觉与模式识别 · 计算机科学 2020-06-24 Jan Eric Lenssen , Christian Osendorfer , Jonathan Masci

Ill-posed inverse problems appear in many image processing applications, such as deblurring and super-resolution. In recent years, solutions that are based on deep Convolutional Neural Networks (CNNs) have shown great promise. Yet, most of…

计算机视觉与模式识别 · 计算机科学 2021-02-05 Shady Abu-Hussein , Tom Tirer , Se Young Chun , Yonina C. Eldar , Raja Giryes

This paper focuses on increasing the resolution of depth maps obtained from 3D cameras using structured light technology. Two deep learning models FDSR and DKN are modified to work with high-resolution data, and data pre-processing…

计算机视觉与模式识别 · 计算机科学 2024-02-27 Martin Melicherčík , Lukáš Gajdošech , Viktor Kocur , Martin Madaras

Median filtering is a cornerstone of computational image processing. It provides an effective means of image smoothing, with minimal blurring or softening of edges, invariance to monotonic transformations such as gamma adjustment, and…

计算机视觉与模式识别 · 计算机科学 2025-05-30 Ben Weiss

Long Short-Term Memory (LSTM) neural networks have been widely used for time series forecasting problems. However, LSTMs are prone to overfitting and performance reduction during test phases. Several different regularization techniques have…

机器学习 · 计算机科学 2021-09-27 Mahdy Shirdel , Reza Asadi , Duc Do , Micheal Hintlian

Although Faster R-CNN and its variants have shown promising performance in object detection, they only exploit simple first-order representation of object proposals for final classification and regression. Recent classification methods…

计算机视觉与模式识别 · 计算机科学 2018-04-03 Hao Wang , Qilong Wang , Mingqi Gao , Peihua Li , Wangmeng Zuo

The ability of deep image prior (DIP) to recover high-quality images from incomplete or corrupted measurements has made it popular in inverse problems in image restoration and medical imaging including magnetic resonance imaging (MRI).…

计算机视觉与模式识别 · 计算机科学 2024-02-09 Shijun Liang , Evan Bell , Qing Qu , Rongrong Wang , Saiprasad Ravishankar

Image superresolution methods process an input image sequence of a scene to obtain a still image with increased resolution. Classical approaches to this problem involve complex iterative minimization procedures, typically with high…

计算机视觉与模式识别 · 计算机科学 2007-05-23 Carlos Miravet , Francisco B. Rodriguez

The single image super-resolution task is one of the most examined inverse problems in the past decade. In the recent years, Deep Neural Networks (DNNs) have shown superior performance over alternative methods when the acquisition process…

计算机视觉与模式识别 · 计算机科学 2020-05-27 Shady Abu Hussein , Tom Tirer , Raja Giryes

Gaussian process (GP) regression provides a flexible, nonparametric framework for probabilistic modeling, yet remains computationally demanding in large-scale applications. For one-dimensional data, state space (SS) models achieve…

机器学习 · 统计学 2025-11-07 Liang Ding , Rui Tuo , Lu Zhou

In this paper, a novel framework of sparse kernel learning for Support Vector Data Description (SVDD) based anomaly detection is presented. In this work, optimal sparse feature selection for anomaly detection is first modeled as a Mixed…

机器学习 · 计算机科学 2015-06-09 Zhimin Peng , Prudhvi Gurram , Heesung Kwon , Wotao Yin

Joint image filters are used to transfer structural details from a guidance picture used as a prior to a target image, in tasks such as enhancing spatial resolution and suppressing noise. Previous methods based on convolutional neural…

计算机视觉与模式识别 · 计算机科学 2020-10-22 Beomjun Kim , Jean Ponce , Bumsub Ham

We study network pruning which aims to remove redundant channels/kernels and hence speed up the inference of deep networks. Existing pruning methods either train from scratch with sparsity constraints or minimize the reconstruction error…

计算机视觉与模式识别 · 计算机科学 2021-03-30 Jing Liu , Bohan Zhuang , Zhuangwei Zhuang , Yong Guo , Junzhou Huang , Jinhui Zhu , Mingkui Tan

Tabular data poses unique challenges due to its heterogeneous nature, combining both continuous and categorical variables. Existing approaches often struggle to effectively capture the underlying structure and relationships within such…

机器学习 · 计算机科学 2025-04-24 Yoontae Hwang , Yongjae Lee

The image blurring process is generally modelled as the convolution of a blur kernel with a latent image. Therefore, the estimation of the blur kernel is essentially important for blind image deblurring. Unlike existing approaches which…

计算机视觉与模式识别 · 计算机科学 2019-04-18 Liyuan Pan , Richard Hartley , Miaomiao Liu , Yuchao Dai

Blind deconvolution is a challenging problem, but in low-light it is even more difficult. Existing algorithms, both classical and deep-learning based, are not designed for this condition. When the photon shot noise is strong, conventional…

图像与视频处理 · 电气工程与系统科学 2022-11-21 Yash Sanghvi , Abhiram Gnanasambandam , Zhiyuan Mao , Stanley H. Chan

Diffusion-based image super-resolution (SR) has recently attracted significant attention by leveraging the expressive power of large pre-trained text-to-image diffusion models (DMs). A central practical challenge is resolving the trade-off…

图像与视频处理 · 电气工程与系统科学 2026-01-26 Maxence Noble , Gonzalo Iñaki Quintana , Benjamin Aubin , Clément Chadebec

In this paper, we study the problem of sparse multiple kernel learning (MKL), where the goal is to efficiently learn a combination of a fixed small number of kernels from a large pool that could lead to a kernel classifier with a small…

机器学习 · 计算机科学 2013-02-05 Rong Jin , Tianbao Yang , Mehrdad Mahdavi