English
Related papers

Related papers: A Novel Space-Time Representation on the Positive …

200 papers

Accurate facial landmarks are essential prerequisites for many tasks related to human faces. In this paper, an accurate facial landmark detector is proposed based on cascaded transformers. We formulate facial landmark detection as a…

Computer Vision and Pattern Recognition · Computer Science 2022-08-24 Hui Li , Zidong Guo , Seon-Min Rhee , Seungju Han , Jae-Joon Han

One of the data structures generated by medical imaging technology is high resolution point clouds representing anatomical surfaces. Raw images are in the form of triangulated surfaces and the first step is to create a standardised…

Methodology · Statistics 2017-01-26 Liberty Vittert , Adrian Bowman , Stanislav Katina

This paper presents a lightweight algorithm for feature extraction, classification of seven different emotions, and facial expression recognition in a real-time manner based on static images of the human face. In this regard, a Multi-Layer…

Computer Vision and Pattern Recognition · Computer Science 2022-02-02 Mohammad Amin Haghpanah , Ehsan Saeedizade , Mehdi Tale Masouleh , Ahmad Kalhor

Most facial landmark detection methods predict landmarks by mapping the input facial appearance features to landmark heatmaps and have achieved promising results. However, when the face image is suffering from large poses, heavy occlusions…

Computer Vision and Pattern Recognition · Computer Science 2023-04-19 Jun Wan , Jun Liu , Jie Zhou , Zhihui Lai , Linlin Shen , Hang Sun , Ping Xiong , Wenwen Min

Representations that can compactly and effectively capture the temporal evolution of semantic content are important to computer vision and machine learning algorithms that operate on multi-variate time-series data. We investigate such…

Computer Vision and Pattern Recognition · Computer Science 2018-03-30 Anoop Cherian , Suvrit Sra , Stephen Gould , Richard Hartley

We address the problem of video representation learning without human-annotated labels. While previous efforts address the problem by designing novel self-supervised tasks using video data, the learned features are merely on a…

Computer Vision and Pattern Recognition · Computer Science 2019-04-09 Jiangliu Wang , Jianbo Jiao , Linchao Bao , Shengfeng He , Yunhui Liu , Wei Liu

In this work, we address the problem of 4D facial expressions generation. This is usually addressed by animating a neutral 3D face to reach an expression peak, and then get back to the neutral state. In the real world though, people show…

Computer Vision and Pattern Recognition · Computer Science 2023-05-19 Naima Otberdout , Claudio Ferrari , Mohamed Daoudi , Stefano Berretti , Alberto Del Bimbo

In this paper, covariance matrices are exploited to encode the deep convolutional neural networks (DCNN) features for facial expression recognition. The space geometry of the covariance matrices is that of Symmetric Positive Definite (SPD)…

Computer Vision and Pattern Recognition · Computer Science 2018-05-11 Naima Otberdout , Anis Kacem , Mohamed Daoudi , Lahoucine Ballihi , Stefano Berretti

This paper investigates how to rapidly and accurately localize facial landmarks in unconstrained, cluttered environments rather than in the well segmented face images. We present a novel Backbone-Branches Fully-Convolutional Neural Network…

Computer Vision and Pattern Recognition · Computer Science 2016-04-15 Zhujin Liang , Shengyong Ding , Liang Lin

In this study, we show that landmark detection or face alignment task is not a single and independent problem. Instead, its robustness can be greatly improved with auxiliary information. Specifically, we jointly optimize landmark detection…

Computer Vision and Pattern Recognition · Computer Science 2016-11-15 Zhanpeng Zhang , Ping Luo , Chen Change Loy , Xiaoou Tang

Pose-invariant face recognition has become a challenging problem for modern AI-based face recognition systems. It aims at matching a profile face captured in the wild with a frontal face registered in a database. Existing methods perform…

Computer Vision and Pattern Recognition · Computer Science 2025-05-23 Nikolay Stanishev , Yuhang Lu , Touradj Ebrahimi

Statistical shape analysis is a very useful tool in a wide range of medical and biological applications. However, it typically relies on the ability to produce a relatively small number of features that can capture the relevant variability…

Computer Vision and Pattern Recognition · Computer Science 2020-06-16 Riddhish Bhalodia , Ladislav Kavan , Ross Whitaker

Despite the great success achieved by deep learning methods in face recognition, severe performance drops are observed for large pose variations in unconstrained environments (e.g., in cases of surveillance and photo-tagging). To address…

Computer Vision and Pattern Recognition · Computer Science 2021-07-27 Qiang Meng , Xiaqing Xu , Xiaobo Wang , Yang Qian , Yunxiao Qin , Zezheng Wang , Chenxu Zhao , Feng Zhou , Zhen Lei

3D facial landmark localization has proven to be of particular use for applications, such as face tracking, 3D face modeling, and image-based 3D face reconstruction. In the supervised learning case, such methods usually rely on 3D landmark…

Computer Vision and Pattern Recognition · Computer Science 2024-05-31 David Ferman , Pablo Garrido , Gaurav Bharaj

We propose an end-to-end architecture for facial expression recognition. Our model learns an optimal tree topology for facial landmarks, whose traversal generates a sequence from which we obtain an embedding to feed a sequential learner.…

Computer Vision and Pattern Recognition · Computer Science 2021-12-07 Mojtaba Kolahdouzi , Alireza Sepas-Moghaddam , Ali Etemad

Deep learning models have enjoyed great success for image related computer vision tasks like image classification and object detection. For video related tasks like human action recognition, however, the advancements are not as significant…

Computer Vision and Pattern Recognition · Computer Science 2018-09-12 Xiaolin Song , Cuiling Lan , Wenjun Zeng , Junliang Xing , Jingyu Yang , Xiaoyan Sun

This work focuses on complete 3D facial geometry prediction, including 3D facial alignment via 3D face modeling and face orientation estimation using the proposed multi-task, multi-modal, and multi-representation landmark refinement network…

Computer Vision and Pattern Recognition · Computer Science 2021-04-20 Cho-Ying Wu , Qiangeng Xu , Ulrich Neumann

This paper describes our submission to the 1st 3D Face Alignment in the Wild (3DFAW) Challenge. Our method builds upon the idea of convolutional part heatmap regression [1], extending it for 3D face alignment. Our method decomposes the…

Computer Vision and Pattern Recognition · Computer Science 2018-08-28 Adrian Bulat , Georgios Tzimiropoulos

We present a method for highly efficient landmark detection that combines deep convolutional neural networks with well established model-based fitting algorithms. Motivated by established model-based fitting methods such as active shapes,…

Computer Vision and Pattern Recognition · Computer Science 2019-02-12 Marcin Kopaczka , Justus Schock , Dorit Merhof

We propose a new action and gesture recognition method based on spatio-temporal covariance descriptors and a weighted Riemannian locality preserving projection approach that takes into account the curved space formed by the descriptors. The…

Computer Vision and Pattern Recognition · Computer Science 2013-03-26 Andres Sanin , Conrad Sanderson , Mehrtash T. Harandi , Brian C. Lovell