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Deep Convolutional Neural Networks (DCNNs) and their variants have been widely used in large scale face recognition(FR) recently. Existing methods have achieved good performance on many FR benchmarks. However, most of them suffer from two…

Computer Vision and Pattern Recognition · Computer Science 2021-06-28 Jing Xu , Tszhang Guo , Yong Xu , Zenglin Xu , Kun Bai

Recognizing degraded faces from low resolution and blurred images are common yet challenging task. Local Frequency Descriptor (LFD) has been proved to be effective for this task yet it is extracted from a spatial neighborhood of a pixel of…

Computer Vision and Pattern Recognition · Computer Science 2012-10-04 Guangling Sun , Guoqing Li , Xinpeng Zhang

COVID-19 pandemic and social distancing urge a reliable human face recognition system in different abnormal situations. However, there is no research which studies the influence of glass factor in facial recognition system. This paper…

Computer Vision and Pattern Recognition · Computer Science 2021-04-06 Jiashu He

This paper considers matching images of low-light scenes, aiming to widen the frontier of SfM and visual SLAM applications. Recent image sensors can record the brightness of scenes with more than eight-bit precision, available in their…

Computer Vision and Pattern Recognition · Computer Science 2021-09-15 Wenzheng Song , Masanori Suganuma , Xing Liu , Noriyuki Shimobayashi , Daisuke Maruta , Takayuki Okatani

The performance of face recognition has become saturated for public benchmark datasets such as LFW, CFP-FP, and AgeDB, owing to the rapid advances in CNNs. However, the effects of faces with various fine-grained conditions on FR models have…

Computer Vision and Pattern Recognition · Computer Science 2022-06-22 Junuk Jung , Sungbin Son , Joochan Park , Yongjun Park , Seonhoon Lee , Heung-Seon Oh

Vehicle information recognition is crucial in various practical domains, particularly in criminal investigations. Vehicle Color Recognition (VCR) has garnered significant research interest because color is a visually distinguishable…

Computer Vision and Pattern Recognition · Computer Science 2024-10-22 Gabriel E. Lima , Rayson Laroca , Eduardo Santos , Eduil Nascimento , David Menotti

Image manipulation is rapidly evolving, allowing the creation of credible content that can be used to bend reality. Although the results of deepfake detectors are promising, deepfakes can be made even more complicated to detect through…

Computer Vision and Pattern Recognition · Computer Science 2024-10-08 Davide Alessandro Coccomini , Roberto Caldelli , Fabrizio Falchi , Claudio Gennaro , Giuseppe Amato

Face recognition algorithms have demonstrated very high recognition performance, suggesting suitability for real world applications. Despite the enhanced accuracies, robustness of these algorithms against attacks and bias has been…

Computer Vision and Pattern Recognition · Computer Science 2020-02-10 Richa Singh , Akshay Agarwal , Maneet Singh , Shruti Nagpal , Mayank Vatsa

Despite outstanding performance on public benchmarks, face recognition still suffers due to domain mismatch between training (source) and testing (target) data. Furthermore, these domains are not shared classes, which complicates domain…

Computer Vision and Pattern Recognition · Computer Science 2021-04-09 Chun-Hsien Lin , Bing-Fei Wu

Although deep learning approaches have achieved performance surpassing humans for still image-based face recognition, unconstrained video-based face recognition is still a challenging task due to large volume of data to be processed and…

Computer Vision and Pattern Recognition · Computer Science 2019-08-13 Jingxiao Zheng , Rajeev Ranjan , Ching-Hui Chen , Jun-Cheng Chen , Carlos D. Castillo , Rama Chellappa

Image Super Resolution (SR) finds applications in areas where images need to be closely inspected by the observer to extract enhanced information. One such focused application is an offline forensic analysis of surveillance feeds. Due to…

Computer Vision and Pattern Recognition · Computer Science 2021-07-12 Muhammad Ali Farooq , Ammar Ali Khan , Ansar Ahmad , Rana Hammad Raza

One-to-many facial identification is documented to achieve high accuracy in the case where both the probe and the gallery are "mugshot quality" images. However, an increasing number of documented instances of wrongful arrest following…

Computer Vision and Pattern Recognition · Computer Science 2024-12-30 Sicong Tian , Haiyu Wu , Michael C. King , Kevin W. Bowyer

Facial expression recognition has gained significance as a means of imparting social robots with the capacity to discern the emotional states of users. The use of social robotics includes a variety of settings, including homes, nursing…

Computer Vision and Pattern Recognition · Computer Science 2026-05-05 F. Xavier Gaya-Morey , Silvia Ramis , Jose M. Buades-Rubio , Cristina Manresa-Yee

Deep convolutional neural networks (CNNs) have greatly improved the Face Recognition (FR) performance in recent years. Almost all CNNs in FR are trained on the carefully labeled datasets containing plenty of identities. However, such…

Computer Vision and Pattern Recognition · Computer Science 2018-03-28 Wei Hu , Yangyu Huang , Fan Zhang , Ruirui Li , Wei Li , Guodong Yuan

Deep learning-based person identification and verification systems have remarkably improved in terms of accuracy in recent years; however, such systems, including widely popular cloud-based solutions, have been found to exhibit significant…

Computer Vision and Pattern Recognition · Computer Science 2023-07-20 Ioannis Sarridis , Christos Koutlis , Symeon Papadopoulos , Christos Diou

In this paper, we study the problem of training large-scale face identification model with imbalanced training data. This problem naturally exists in many real scenarios including large-scale celebrity recognition, movie actor annotation,…

Computer Vision and Pattern Recognition · Computer Science 2018-03-19 Yandong Guo , Lei Zhang

Facial recognition has become a widely used method for authentication and identification, with applications for secure access and locating missing persons. Its success is largely attributed to deep learning, which leverages large datasets…

Computer Vision and Pattern Recognition · Computer Science 2025-12-08 Pedro Vidal , Bernardo Biesseck , Luiz E. L. Coelho , Roger Granada , David Menotti

A major challenge facing Computer Vision systems is providing the ability to accurately detect threats and recognize subjects and/or objects under dynamically changing network conditions. We propose two novel models that characterize the…

Computer Vision and Pattern Recognition · Computer Science 2019-07-25 Hayder Hamandi , Nabil Sarhan

In the computer research area, facial expression recognition is a hot research problem. Recent years, the research has moved from the lab environment to in-the-wild circumstances. It is challenging, especially under extreme poses. But…

Computer Vision and Pattern Recognition · Computer Science 2018-11-07 Fei Yang , Qian Zhang , Chi Zheng , Guoping Qiu

Facial expressions are important cues to observe human emotions. Facial expression recognition has attracted many researchers for years, but it is still a challenging topic since expression features vary greatly with the head poses,…

Computer Vision and Pattern Recognition · Computer Science 2020-09-15 S. D. Lalitha , K. K. Thyagharajan