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Deep learning applies multiple processing layers to learn representations of data with multiple levels of feature extraction. This emerging technique has reshaped the research landscape of face recognition (FR) since 2014, launched by the…

Computer Vision and Pattern Recognition · Computer Science 2021-04-06 Mei Wang , Weihong Deng

In this paper, we share our experience in designing a convolutional network-based face detector that could handle faces of an extremely wide range of scales. We show that faces with different scales can be modeled through a specialized set…

Computer Vision and Pattern Recognition · Computer Science 2017-06-12 Shuo Yang , Yuanjun Xiong , Chen Change Loy , Xiaoou Tang

Thermal-to-visible face verification is a challenging problem due to the large domain discrepancy between the modalities. Existing approaches either attempt to synthesize visible faces from thermal faces or learn domain-invariant robust…

Computer Vision and Pattern Recognition · Computer Science 2021-04-12 Xing Di , Benjamin S. Riggan , Shuowen Hu , Nathaniel J. Short , Vishal M. Patel

Visual Place Recognition (VPR) determines a query image's geographic location by matching it against geotagged databases. However, existing methods struggle with perceptual aliasing caused by irrelevant regions and inefficient re-ranking…

Computer Vision and Pattern Recognition · Computer Science 2026-04-27 Shunpeng Chen , Yukun Song , Changwei Wang , Rongtao Xu , Kexue Fu , Longxiang Gao , Li Guo , Ruisheng Wang , Shibiao Xu

Ensuring robustness in face recognition systems across various challenging conditions is crucial for their versatility. State-of-the-art methods often incorporate additional information, such as depth, thermal, or angular data, to enhance…

Computer Vision and Pattern Recognition · Computer Science 2024-02-13 Muhammad Zeshan Alam , Sousso kelowani , Mohamed Elsaeidy

Facial landmark localization aims to detect the predefined points of human faces, and the topic has been rapidly improved with the recent development of neural network based methods. However, it remains a challenging task when dealing with…

Computer Vision and Pattern Recognition · Computer Science 2021-02-09 Zixuan Xu , Banghuai Li , Miao Geng , Ye Yuan

Recent advances in multimodal large language models (MLLMs) have demonstrated strong capabilities in understanding general visual content. However, these general-domain MLLMs perform poorly in face perception tasks, often producing…

Computer Vision and Pattern Recognition · Computer Science 2025-04-29 Jingzhi Li , Changjiang Luo , Ruoyu Chen , Hua Zhang , Wenqi Ren , Jianhou Gan , Xiaochun Cao

Classifying facial expressions into different categories requires capturing regional distortions of facial landmarks. We believe that second-order statistics such as covariance is better able to capture such distortions in regional facial…

Computer Vision and Pattern Recognition · Computer Science 2018-05-15 Dinesh Acharya , Zhiwu Huang , Danda Paudel , Luc Van Gool

Pattern recognition problem rely upon the features inherent in the pattern of images. Face detection and recognition is one of the challenging research areas in the field of computer vision. In this paper, we present a method to identify…

Computer Vision and Pattern Recognition · Computer Science 2013-12-25 P. Kiran Sree , I. Ramesh Babu

Person re identification is a challenging retrieval task that requires matching a person's acquired image across non overlapping camera views. In this paper we propose an effective approach that incorporates both the fine and coarse pose…

Computer Vision and Pattern Recognition · Computer Science 2018-04-03 M. Saquib Sarfraz , Arne Schumann , Andreas Eberle , Rainer Stiefelhagen

Facial expression recognition is a topic of great interest in most fields from artificial intelligence and gaming to marketing and healthcare. The goal of this paper is to classify images of human faces into one of seven basic emotions. A…

Computer Vision and Pattern Recognition · Computer Science 2024-09-05 Akash Saravanan , Gurudutt Perichetla , K. S. Gayathri

In this paper, a high performance face recognition system based on local binary pattern (LBP) using the probability distribution functions (PDF) of pixels in different mutually independent color channels which are robust to frontal…

Computer Vision and Pattern Recognition · Computer Science 2015-01-06 Gholamreza Anbarjafari

The limited capacity to recognize faces under occlusions is a long-standing problem that presents a unique challenge for face recognition systems and even for humans. The problem regarding occlusion is less covered by research when compared…

Computer Vision and Pattern Recognition · Computer Science 2020-06-23 Dan Zeng , Raymond Veldhuis , Luuk Spreeuwers

Multimodal imaging and correlative analysis typically require image alignment. Contrastive learning can generate representations of multimodal images, reducing the challenging task of multimodal image registration to a monomodal one.…

Computer Vision and Pattern Recognition · Computer Science 2023-03-02 Elisabeth Wetzer , Joakim Lindblad , Nataša Sladoje

Face recognition performance has improved remarkably in the last decade. Much of this success can be attributed to the development of deep learning techniques such as convolutional neural networks (CNNs). While CNNs have pushed the…

Computer Vision and Pattern Recognition · Computer Science 2018-03-29 Sandipan Banerjee , Joel Brogan , Janez Krizaj , Aparna Bharati , Brandon RichardWebster , Vitomir Struc , Patrick Flynn , Walter Scheirer

We present techniques for improving performance driven facial animation, emotion recognition, and facial key-point or landmark prediction using learned identity invariant representations. Established approaches to these problems can work…

Computer Vision and Pattern Recognition · Computer Science 2016-05-24 David Rim , Sina Honari , Md Kamrul Hasan , Chris Pal

This paper presents a novel automatic face recognition approach based on local binary patterns. This descriptor considers a local neighbourhood of a pixel to compute the feature vector values. This method is not very robust to handle image…

Computer Vision and Pattern Recognition · Computer Science 2018-06-18 Pavel Král , Ladislav Lenc , Antonín Vrba

Image-to-point cloud cross-modal Visual Place Recognition (VPR) is a challenging task where the query is an RGB image, and the database samples are LiDAR point clouds. Compared to single-modal VPR, this approach benefits from the widespread…

Computer Vision and Pattern Recognition · Computer Science 2025-03-03 Jianyi Peng , Fan Lu , Bin Li , Yuan Huang , Sanqing Qu , Guang Chen

We propose a novel Coupled Projection multi-task Metric Learning (CP-mtML) method for large scale face retrieval. In contrast to previous works which were limited to low dimensional features and small datasets, the proposed method scales to…

Computer Vision and Pattern Recognition · Computer Science 2016-04-12 Binod Bhattarai , Gaurav Sharma , Frederic Jurie

The reduction of the cost of infrared (IR) cameras in recent years has made IR imaging a highly viable modality for face recognition in practice. A particularly attractive advantage of IR-based over conventional, visible spectrum-based face…

Computer Vision and Pattern Recognition · Computer Science 2014-07-29 Reza Shoja Ghiass , Ognjen Arandjelovic , Hakim Bendada , Xavier Maldague