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With the recent advent of methods that allow for real-time computation, dense 3D flows have become a viable basis for fast camera motion estimation. Most importantly, dense flows are more robust than the sparse feature matching techniques…

计算机视觉与模式识别 · 计算机科学 2019-08-06 Thomas W. Mitchel , Christian Wuelker , Jin Seob Kim , Sipu Ruan , Gregory S. Chirikjian

The objective of this work is human pose estimation in videos, where multiple frames are available. We investigate a ConvNet architecture that is able to benefit from temporal context by combining information across the multiple frames…

计算机视觉与模式识别 · 计算机科学 2015-11-10 Tomas Pfister , James Charles , Andrew Zisserman

Partial person re-identification (re-id) is a challenging problem, where only several partial observations (images) of people are available for matching. However, few studies have provided flexible solutions to identifying a person in an…

计算机视觉与模式识别 · 计算机科学 2018-09-05 Lingxiao He , Jian Liang , Haiqing Li , Zhenan Sun

Temporal video alignment aims to synchronize the key events like object interactions or action phase transitions in two videos. Such methods could benefit various video editing, processing, and understanding tasks. However, existing…

计算机视觉与模式识别 · 计算机科学 2024-09-04 Ishan Rajendrakumar Dave , Fabian Caba Heilbron , Mubarak Shah , Simon Jenni

Talking head generation is to generate video based on a given source identity and target motion. However, current methods face several challenges that limit the quality and controllability of the generated videos. First, the generated face…

计算机视觉与模式识别 · 计算机科学 2023-11-03 Yue Gao , Yuan Zhou , Jinglu Wang , Xiao Li , Xiang Ming , Yan Lu

Visual relocalization is a key technique to autonomous driving, robotics, and virtual/augmented reality. After decades of explorations, absolute pose regression (APR), scene coordinate regression (SCR), and hierarchical methods (HMs) have…

计算机视觉与模式识别 · 计算机科学 2024-04-16 Fei Xue , Ignas Budvytis , Daniel Olmeda Reino , Roberto Cipolla

Animatable 3D human reconstruction from a single image is a challenging problem due to the ambiguity in decoupling geometry, appearance, and deformation. Recent advances in 3D human reconstruction mainly focus on static human modeling, and…

计算机视觉与模式识别 · 计算机科学 2025-03-14 Lingteng Qiu , Xiaodong Gu , Peihao Li , Qi Zuo , Weichao Shen , Junfei Zhang , Kejie Qiu , Weihao Yuan , Guanying Chen , Zilong Dong , Liefeng Bo

Despite the advances in the field of generative models in computer vision, video stabilization still lacks a pure regressive deep-learning-based formulation. Deep video stabilization is generally formulated with the help of explicit motion…

计算机视觉与模式识别 · 计算机科学 2021-10-25 Muhammad Kashif Ali , Sangjoon Yu , Tae Hyun Kim

The paper presents an alternative way to classical stereocorrelation. First, 2D image processing of random patterns is described. Sub-pixel displacements are determined using phase analysis. Then distortion evaluation is presented. The…

经典物理 · 物理学 2013-11-18 Jérôme Molimard , Gaetan Boyer , Hassan Zahouani

We present FlexNeRF, a method for photorealistic freeviewpoint rendering of humans in motion from monocular videos. Our approach works well with sparse views, which is a challenging scenario when the subject is exhibiting fast/complex…

计算机视觉与模式识别 · 计算机科学 2023-03-28 Vinoj Jayasundara , Amit Agrawal , Nicolas Heron , Abhinav Shrivastava , Larry S. Davis

This paper introduces a novel methodology that combines the multi-resolution feature of the Gabor wavelet transformation (GWT) with the local interactions of the facial structures expressed through the Pseudo Hidden Markov model (PHMM).…

计算机视觉与模式识别 · 计算机科学 2013-12-09 Arindam Kar , Debotosh Bhattacharjee , Dipak Kumar Basu , Mita Nasipuri , Mahantapas Kundu

In order to establish face recognition system in rehabilitation nursing robots beds and achieve real-time monitor the patient on the bed. We propose a face recognition method based on partial matching Hu moments which apply for…

计算机视觉与模式识别 · 计算机科学 2015-08-04 Dongmei Liang , Wushan Cheng

Implicit Neural Representations (INRs) have emerged as a promising paradigm for video compression. However, existing INR-based frameworks typically suffer from inherent spectral bias, which favors low-frequency components and leads to…

计算机视觉与模式识别 · 计算机科学 2026-01-27 Jun Zhu , Xinfeng Zhang , Lv Tang , Junhao Jiang , Gai Zhang , Jia Wang

We consider a single-query 6-DoF camera pose estimation with reference images and a point cloud, i.e. the problem of estimating the position and orientation of a camera by using reference images and a point cloud. In this work, we perform a…

计算机视觉与模式识别 · 计算机科学 2018-08-20 Junsheng Fu , Said Pertuz , Jiri Matas , Joni-Kristian Kämäräinen

Facial landmark detection is an essential technology for driver status tracking and has been in demand for real-time estimations. As a landmark coordinate prediction, heatmap-based methods are known to achieve a high accuracy, and…

计算机视觉与模式识别 · 计算机科学 2023-08-24 Sota Kato , Kazuhiro Hotta , Yuhki Hatakeyama , Yoshinori Konishi

Existing 3D human pose estimation algorithms trained on distortion-free datasets suffer performance drop when applied to new scenarios with a specific camera distortion. In this paper, we propose a simple yet effective model for 3D human…

计算机视觉与模式识别 · 计算机科学 2021-12-06 Hanbyel Cho , Yooshin Cho , Jaemyung Yu , Junmo Kim

We present Multi-HMR, a strong sigle-shot model for multi-person 3D human mesh recovery from a single RGB image. Predictions encompass the whole body, i.e., including hands and facial expressions, using the SMPL-X parametric model and 3D…

计算机视觉与模式识别 · 计算机科学 2024-07-25 Fabien Baradel , Matthieu Armando , Salma Galaaoui , Romain Brégier , Philippe Weinzaepfel , Grégory Rogez , Thomas Lucas

This paper develops a mathematical argument and algorithms for building representations of data from event-based cameras, that we call Fast Feature Field ($\text{F}^3$). We learn this representation by predicting future events from past…

计算机视觉与模式识别 · 计算机科学 2025-09-30 Richeek Das , Kostas Daniilidis , Pratik Chaudhari

In this paper, we propose a novel video super-resolution method that aims at generating high-fidelity high-resolution (HR) videos from low-resolution (LR) ones. Previous methods predominantly leverage temporal neighbor frames to assist the…

计算机视觉与模式识别 · 计算机科学 2021-08-26 Jiyang Yu , Jingen Liu , Liefeng Bo , Tao Mei

Localization of salient facial landmark points, such as eye corners or the tip of the nose, is still considered a challenging computer vision problem despite recent efforts. This is especially evident in unconstrained environments, i.e., in…

计算机视觉与模式识别 · 计算机科学 2015-01-21 Nenad Markuš , Miroslav Frljak , Igor S. Pandžić , Jörgen Ahlberg , Robert Forchheimer