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The performance of a convolutional neural network (CNN) based face recognition model largely relies on the richness of labelled training data. Collecting a training set with large variations of a face identity under different poses and…

Computer Vision and Pattern Recognition · Computer Science 2020-02-25 Hao-Chiang Shao , Kang-Yu Liu , Chia-Wen Lin , Jiwen Lu

Real-world face detection and alignment demand an advanced discriminative model to address challenges by pose, lighting and expression. Illuminated by the deep learning algorithm, some convolutional neural networks based face detection and…

Computer Vision and Pattern Recognition · Computer Science 2017-08-01 Weilin Cong , Sanyuan Zhao , Hui Tian , Jianbing Shen

Over the past years, deep learning capabilities and the availability of large-scale training datasets advanced rapidly, leading to breakthroughs in face recognition accuracy. However, these technologies are foreseen to face a major…

Computer Vision and Pattern Recognition · Computer Science 2023-05-03 Fadi Boutros , Vitomir Struc , Julian Fierrez , Naser Damer

In this paper, we propose a novel low-light image enhancement method aimed at improving the performance of recognition models. Despite recent advances in deep learning, the recognition of images under low-light conditions remains a…

Computer Vision and Pattern Recognition · Computer Science 2025-01-09 Seitaro Ono , Yuka Ogino , Takahiro Toizumi , Atsushi Ito , Masato Tsukada

We propose an experimental method for measuring bias in face recognition systems. Existing methods to measure bias depend on benchmark datasets that are collected in the wild and annotated for protected (e.g., race, gender) and…

Computer Vision and Pattern Recognition · Computer Science 2023-08-11 Hao Liang , Pietro Perona , Guha Balakrishnan

Real-world deployment of AI vision models is both fueled and limited by the data available for training and testing. Real datasets are sparse and uneven: long-tailed or unbalanced distributions hinder generalization, and the low number of…

Computer Vision and Pattern Recognition · Computer Science 2026-05-22 Valeria Pais , Malena Mendilaharzu , Daniele Faccio , Luis Oala , Christoph Clausen , Bruno Sanguinetti

Recently contrastive learning has shown significant progress in learning visual representations from unlabeled data. The core idea is training the backbone to be invariant to different augmentations of an instance. While most methods only…

Computer Vision and Pattern Recognition · Computer Science 2021-11-05 Xiaoyang Guo , Tianhao Zhao , Yutian Lin , Bo Du

Imaging in low light is challenging due to low photon count and low SNR. Short-exposure images suffer from noise, while long exposure can induce blur and is often impractical. A variety of denoising, deblurring, and enhancement techniques…

Computer Vision and Pattern Recognition · Computer Science 2018-05-08 Chen Chen , Qifeng Chen , Jia Xu , Vladlen Koltun

Face recognition has already been well studied under the visible light and the infrared,in both intra-spectral and cross-spectral cases. However, how to fuse different light bands, i.e., hyperspectral face recognition, is still an open…

Computer Vision and Pattern Recognition · Computer Science 2020-09-15 Zhicheng Cao , Xi Cen , Liaojun Pang

In this paper, we tackle the challenge of face recognition in the wild, where images often suffer from low quality and real-world distortions. Traditional heuristic approaches-either training models directly on these degraded images or…

Computer Vision and Pattern Recognition · Computer Science 2024-04-05 Yunhao Liu , Yu-Ju Tsai , Kelvin C. K. Chan , Xiangtai Li , Lu Qi , Ming-Hsuan Yang

The use of computer generated images to train Deep Neural Networks is a viable alternative to real images when the latter are scarce or expensive. In this paper, we study how the illumination model used by the rendering software affects the…

Computer Vision and Pattern Recognition · Computer Science 2020-06-17 Xin Zhang , Ning Jia , Ioannis Ivrissimtzis

Person re-identification (Re-ID) often faces challenges due to variations in human poses and camera viewpoints, which significantly affect the appearance of individuals across images. Existing datasets frequently lack diversity and…

Computer Vision and Pattern Recognition · Computer Science 2026-04-07 Inès Hyeonsu Kim , Woojeong Jin , Soowon Son , Junyoung Seo , Seokju Cho , JeongYeol Baek , Byeongwon Lee , JoungBin Lee , Seungryong Kim

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

Recent state-of-the-art semi-supervised learning (SSL) methods use a combination of image-based transformations and consistency regularization as core components. Such methods, however, are limited to simple transformations such as…

Computer Vision and Pattern Recognition · Computer Science 2020-07-17 Chia-Wen Kuo , Chih-Yao Ma , Jia-Bin Huang , Zsolt Kira

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

In order to improve the accuracy of face recognition under varying illumination conditions, a local texture enhanced illumination normalization method based on fusion of differential filtering images (FDFI-LTEIN) is proposed to weaken the…

Computer Vision and Pattern Recognition · Computer Science 2019-05-13 Chaobing Zheng , Shiqian Wu , Wangming Xu , Shoulie Xie

Learning-based image harmonization techniques are usually trained to undo synthetic random global transformations applied to a masked foreground in a single ground truth photo. This simulated data does not model many of the important…

Computer Vision and Pattern Recognition · Computer Science 2023-03-02 Ke Wang , Michaël Gharbi , He Zhang , Zhihao Xia , Eli Shechtman

We introduce InverseFaceNet, a deep convolutional inverse rendering framework for faces that jointly estimates facial pose, shape, expression, reflectance and illumination from a single input image. By estimating all parameters from just a…

Computer Vision and Pattern Recognition · Computer Science 2018-05-17 Hyeongwoo Kim , Michael Zollhöfer , Ayush Tewari , Justus Thies , Christian Richardt , Christian Theobalt

Cross-domain synthesizing realistic faces to learn deep models has attracted increasing attention for facial expression analysis as it helps to improve the performance of expression recognition accuracy despite having small number of real…

Computer Vision and Pattern Recognition · Computer Science 2019-05-21 Behzad Bozorgtabar , Mohammad Saeed Rad , Hazim Kemal Ekenel , Jean-Philippe Thiran

In the last five years, deep learning methods, in particular CNN, have attracted considerable attention in the field of face-based recognition, achieving impressive results. Despite this progress, it is not yet clear precisely to what…

Computer Vision and Pattern Recognition · Computer Science 2021-02-04 Giulia Orrù , Marco Micheletto , Julian Fierrez , Gian Luca Marcialis
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