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Face recognition in real-time scenarios is mainly affected by illumination, expression and pose variations and also by occlusion. This paper presents the framework for pose adaptive component-based face recognition system. The framework…

Computer Vision and Pattern Recognition · Computer Science 2014-03-07 Shireesha Chintalapati , M. V. Raghunadh

The capacity to recognize faces under varied poses is a fundamental human ability that presents a unique challenge for computer vision systems. Compared to frontal face recognition, which has been intensively studied and has gradually…

Computer Vision and Pattern Recognition · Computer Science 2016-07-19 Changxing Ding , Dacheng Tao

Thermal Infrared (TIR) cameras are gaining popularity in many computer vision applications due to their ability to operate under low-light conditions. Images produced by TIR cameras are usually difficult for humans to perceive visually,…

Computer Vision and Pattern Recognition · Computer Science 2019-04-05 Adam Nyberg , Abdelrahman Eldesokey , David Bergström , David Gustafsson

In the beginning stage, face verification is done using easy method of geometric algorithm models, but the verification route has now developed into a scientific progress of complicated geometric representation and identical procedure. In…

Computer Vision and Pattern Recognition · Computer Science 2014-03-24 V. Karthikeyan , K. Vijayalakshmi , P. Jeyakumar

In recent years, Neural Radiance Fields (NeRFs) have demonstrated significant potential in encoding highly-detailed 3D geometry and environmental appearance, positioning themselves as a promising alternative to traditional explicit…

Computer Vision and Pattern Recognition · Computer Science 2024-03-18 Tianxiang Ye , Qi Wu , Junyuan Deng , Guoqing Liu , Liu Liu , Songpengcheng Xia , Liang Pang , Wenxian Yu , Ling Pei

Thermal images have various applications in security, medical and industrial domains. This paper proposes a practical deep-learning approach for thermal image classification. Accurate and efficient classification of thermal images poses a…

Computer Vision and Pattern Recognition · Computer Science 2023-11-07 Prosenjit Chatterjee , ANK Zaman

Near infrared-visible (NIR-VIS) heterogeneous face recognition refers to the process of matching NIR to VIS face images. Current heterogeneous methods try to extend VIS face recognition methods to the NIR spectrum by synthesizing VIS images…

Computer Vision and Pattern Recognition · Computer Science 2019-02-12 Ran He , Jie Cao , Lingxiao Song , Zhenan Sun , Tieniu Tan

With the fast growth in the visual surveillance and security sectors, thermal infrared images have become increasingly necessary ina large variety of industrial applications. This is true even though IR sensors are still more expensive than…

Machine Learning · Computer Science 2018-12-24 Feras Almasri , Olivier Debeir

Face recognition in the infrared (IR) band has become an important supplement to visible light face recognition due to its advantages of independent background light, strong penetration, ability of imaging under harsh environments such as…

Computer Vision and Pattern Recognition · Computer Science 2022-05-04 Zhicheng Cao , Jiaxuan Zhang , Liaojun Pang

Even though face recognition in frontal view and normal lighting condition works very well, the performance degenerates sharply in extreme conditions. Recently there are many work dealing with pose and illumination problems, respectively.…

Computer Vision and Pattern Recognition · Computer Science 2016-07-13 Xiaoyue Jiang , Dong Zhang , Xiaoyi Feng

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

Illumination variation has been a long-term challenge in real-world facial expression recognition(FER). Under uncontrolled or non-visible light conditions, Near-infrared (NIR) can provide a simple and alternative solution to obtain…

Computer Vision and Pattern Recognition · Computer Science 2023-12-12 Bingjun Luo , Zewen Wang , Jinpeng Wang , Junjie Zhu , Xibin Zhao , Yue Gao

Facial expression recognition (FER) is a challenging problem because the expression component is always entangled with other irrelevant factors, such as identity and head pose. In this work, we propose an identity and pose disentangled…

Computer Vision and Pattern Recognition · Computer Science 2022-08-18 Jing Jiang , Weihong Deng

Despite recent advances in deep learning-based face frontalization methods, photo-realistic and illumination preserving frontal face synthesis is still challenging due to large pose and illumination discrepancy during training. We propose a…

Computer Vision and Pattern Recognition · Computer Science 2020-09-10 Yuxiang Wei , Ming Liu , Haolin Wang , Ruifeng Zhu , Guosheng Hu , Wangmeng Zuo

We present an approach for improving spatial frequency sampling in active incoherent millimeter-wave (AIM) imaging systems using frequency diversity. AIM imaging relies on active transmission of spatio-temporally incoherent signals to…

Signal Processing · Electrical Eng. & Systems 2025-03-12 Jorge R. Colon-Berrios , Jeffrey A. Nanzer

Visible (VIS) to near infrared (NIR) face matching is a challenging problem due to the significant domain discrepancy between the domains and a lack of sufficient data for training cross-modal matching algorithms. Existing approaches…

Computer Vision and Pattern Recognition · Computer Science 2019-01-24 Xiang Wu , Huaibo Huang , Vishal M. Patel , Ran He , Zhenan Sun

The variation of pose, illumination and expression makes face recognition still a challenging problem. As a pre-processing in holistic approaches, faces are usually aligned by eyes. The proposed method tries to perform a pixel alignment…

Computer Vision and Pattern Recognition · Computer Science 2018-08-01 Hoda Mohammadzade , Amirhossein Sayyafan , Benyamin Ghojogh

Methods for generating synthetic data have become of increasing importance to build large datasets required for Convolution Neural Networks (CNN) based deep learning techniques for a wide range of computer vision applications. In this work,…

Computer Vision and Pattern Recognition · Computer Science 2020-09-02 Muhammad Ali Farooq , Peter Corcoran

Thermal imaging has a variety of applications, from agricultural monitoring to building inspection to imaging under poor visibility, such as in low light, fog, and rain. However, reconstructing thermal scenes in 3D presents several…

Computer Vision and Pattern Recognition · Computer Science 2024-07-23 Yvette Y. Lin , Xin-Yi Pan , Sara Fridovich-Keil , Gordon Wetzstein

Facial expression recognition is vital for human behavior analysis, and deep learning has enabled models that can outperform humans. However, it is unclear how closely they mimic human processing. This study aims to explore the similarity…

Computer Vision and Pattern Recognition · Computer Science 2024-09-04 F. Xavier Gaya-Morey , Silvia Ramis-Guarinos , Cristina Manresa-Yee , Jose M. Buades-Rubio