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In this paper a novel efficient method for representation of facial action units by encoding an image sequence as a fourth-order tensor is presented. The multilinear tensor-based extension of the biased discriminant analysis (BDA)…

Computer Vision and Pattern Recognition · Computer Science 2010-04-06 Mahmoud Khademi , Mehran Safayani , Mohammad T. Manzuri-Shalmani

Face reconstruction and tracking is a building block of numerous applications in AR/VR, human-machine interaction, as well as medical applications. Most of these applications rely on a metrically correct prediction of the shape, especially,…

Computer Vision and Pattern Recognition · Computer Science 2022-10-20 Wojciech Zielonka , Timo Bolkart , Justus Thies

This paper addresses the problem of analysing the performance of 3D face alignment (3DFA), or facial landmark localization. This task is usually supervised, based on annotated datasets. Nevertheless, in the particular case of 3DFA, the…

Computer Vision and Pattern Recognition · Computer Science 2023-11-21 Mostafa Sadeghi , Xavier Alameda-Pineda , Radu Horaud

We present a deep learning approach for high resolution face completion with multiple controllable attributes (e.g., male and smiling) under arbitrary masks. Face completion entails understanding both structural meaningfulness and…

Computer Vision and Pattern Recognition · Computer Science 2018-01-24 Zeyuan Chen , Shaoliang Nie , Tianfu Wu , Christopher G. Healey

Automatic face recognition is a research area with high popularity. Many different face recognition algorithms have been proposed in the last thirty years of intensive research in the field. With the popularity of deep learning and its…

Computer Vision and Pattern Recognition · Computer Science 2022-08-10 Tiago de Freitas Pereira , Dominic Schmidli , Yu Linghu , Xinyi Zhang , Sébastien Marcel , Manuel Günther

This paper investigates the utility of Principal Component Analysis (PCA) for multi-label classification of multispectral images using ResNet50 and DINOv2, acknowledging the high dimensionality of such data and the associated processing…

Computer Vision and Pattern Recognition · Computer Science 2025-09-03 Filip Karpowicz , Wiktor Kępiński , Bartosz Staszyński , Grzegorz Sarwas

Despite significant advances in Deep Face Recognition (DFR) systems, introducing new DFRs under specific constraints such as varying pose still remains a big challenge. Most particularly, due to the 3D nature of a human head, facial…

Computer Vision and Pattern Recognition · Computer Science 2020-01-23 Sara Shahsavarani , Morteza Analoui , Reza Shoja Ghiass

In real-world scenarios, scanned point clouds are often incomplete due to occlusion issues. The tasks of self-supervised and weakly-supervised point cloud completion involve reconstructing missing regions of these incomplete objects without…

Computer Vision and Pattern Recognition · Computer Science 2025-04-08 Lintai Wu , Xianjing Cheng , Yong Xu , Huanqiang Zeng , Junhui Hou

Monocular depth estimation from RGB images plays a pivotal role in 3D vision. However, its accuracy can deteriorate in challenging environments such as nighttime or adverse weather conditions. While long-wave infrared cameras offer stable…

Computer Vision and Pattern Recognition · Computer Science 2024-02-20 Jialei Xu , Xianming Liu , Junjun Jiang , Kui Jiang , Rui Li , Kai Cheng , Xiangyang Ji

Recognizing the expressions of partially occluded faces is a challenging computer vision problem. Previous expression recognition methods, either overlooked this issue or resolved it using extreme assumptions. Motivated by the fact that the…

Computer Vision and Pattern Recognition · Computer Science 2020-05-14 Hui Ding , Peng Zhou , Rama Chellappa

The performance of face analysis and recognition systems depends on the quality of the acquired face data, which is influenced by numerous factors. Automatically assessing the quality of face data in terms of biometric utility can thus be…

Computer Vision and Pattern Recognition · Computer Science 2022-01-14 Torsten Schlett , Christian Rathgeb , Olaf Henniger , Javier Galbally , Julian Fierrez , Christoph Busch

Conventional methods for facial age analysis tend to utilize accurate age labels in a supervised way. However, existing age datasets lies in a limited range of ages, leading to a long-tailed distribution. To alleviate the problem, this…

Computer Vision and Pattern Recognition · Computer Science 2019-04-02 Peipei Li , Huaibo Huang , Yibo Hu , Xiang Wu , Ran He , Zhenan Sun

Foreground detection in a given video sequence is a pivotal step in many computer vision applications such as video surveillance system. Robust Principal Component Analysis (RPCA) performs low-rank and sparse decomposition and accomplishes…

Computer Vision and Pattern Recognition · Computer Science 2019-09-19 Amirhossein Khalilian-Gourtani , Shervin Minaee , Yao Wang

Unsupervised aspect detection (UAD) aims at automatically extracting interpretable aspects and identifying aspect-specific segments (such as sentences) from online reviews. However, recent deep learning-based topic models, specifically…

Computation and Language · Computer Science 2021-01-01 Tian Shi , Liuqing Li , Ping Wang , Chandan K. Reddy

Cross-modal medical image-report retrieval task plays a significant role in clinical diagnosis and various medical generative tasks. Eliminating heterogeneity between different modalities to enhance semantic consistency is the key challenge…

Computer Vision and Pattern Recognition · Computer Science 2025-05-21 Zeqiang Wei , Kai Jin , Xiuzhuang Zhou

In this paper, we propose a novel approach named by Discriminative Principal Component Analysis which is abbreviated as Discriminative PCA in order to enhance separability of PCA by Linear Discriminant Analysis (LDA). The proposed method…

Computer Vision and Pattern Recognition · Computer Science 2019-03-13 Hanli Qiao

Principal Component Analysis (PCA) is known to be the most widely applied dimensionality reduction approach. A lot of improvements have been done on the traditional PCA, in order to obtain optimal results in the dimensionality reduction of…

Computer Vision and Pattern Recognition · Computer Science 2020-09-28 Chisom Ezinne Ogbuanya

As multimedia content is quickly growing, the field of facial recognition has become one of the major research fields, particularly in the recent years. The most problematic area to researchers in image processing and computer vision is the…

Computer Vision and Pattern Recognition · Computer Science 2026-01-13 Aya Kaysan Bahjat

Applications such as face recognition that deal with high-dimensional data need a mapping technique that introduces representation of low-dimensional features with enhanced discriminatory power and a proper classifier, able to classify…

Computer Vision and Pattern Recognition · Computer Science 2008-12-16 Seyyed Majid Valiollahzadeh , Abolghasem Sayadiyan , Mohammad Nazari

A core task in multi-modal learning is to integrate information from multiple feature spaces (e.g., text and audio), offering modality-invariant essential representations of data. Recent research showed that, classical tools such as {\it…

Machine Learning · Computer Science 2024-10-02 Subash Timilsina , Sagar Shrestha , Xiao Fu
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