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Related papers: CapsField: Light Field-based Face and Expression R…

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Talking head generation based on the neural radiation fields model has shown promising visual effects. However, the slow rendering speed of NeRF seriously limits its application, due to the burdensome calculation process over hundreds of…

Computer Vision and Pattern Recognition · Computer Science 2024-06-18 Niu Guanchen

Heterogeneous Face Recognition (HFR) addresses the challenge of matching face images across different sensing modalities, such as thermal to visible or near-infrared to visible, expanding the applicability of face recognition systems in…

Computer Vision and Pattern Recognition · Computer Science 2025-04-29 Anjith George , Sebastien Marcel

Most computer vision systems and computational photography systems are visible light based which is a small fraction of the electromagnetic (EM) spectrum. In recent years radio frequency (RF) hardware has become more widely available, for…

Image and Video Processing · Electrical Eng. & Systems 2019-01-15 Manikanta Kotaru , Guy Satat , Ramesh Raskar , Sachin Katti

Existing methods achieve high-quality facial albedo capture under controllable lighting, which increases capture cost and limits usability. We propose WildCap, a novel method for high-quality facial albedo capture from a smartphone video…

Computer Vision and Pattern Recognition · Computer Science 2026-03-18 Yuxuan Han , Xin Ming , Tianxiao Li , Zhuofan Shen , Qixuan Zhang , Lan Xu , Feng Xu

Light field (LF) imaging captures both angular and spatial light distributions, enabling advanced photographic techniques. However, micro-lens array (MLA)- based cameras face a spatial-angular resolution tradeoff due to a single shared…

Computer Vision and Pattern Recognition · Computer Science 2024-05-07 Javeria Shabbir , Muhammad Zeshan. Alam , M. Umair Mukati

Advances in portability and low cost of plenoptic cameras have revived interest in light field imaging. Light-field imaging has evolved into a technology that enables us to capture richer visual information. This high-dimensional…

Image and Video Processing · Electrical Eng. & Systems 2025-10-10 Sumit Sharma

Pushing by big data and deep convolutional neural network (CNN), the performance of face recognition is becoming comparable to human. Using private large scale training datasets, several groups achieve very high performance on LFW, i.e.,…

Computer Vision and Pattern Recognition · Computer Science 2014-12-01 Dong Yi , Zhen Lei , Shengcai Liao , Stan Z. Li

This paper explores the problem of reconstructing high-resolution light field (LF) images from hybrid lenses, including a high-resolution camera surrounded by multiple low-resolution cameras. The performance of existing methods is still…

Image and Video Processing · Electrical Eng. & Systems 2023-06-21 Jing Jin , Mantang Guo , Junhui Hou , Hui Liu , Hongkai Xiong

Light field (LF) representations aim to provide photo-realistic, free-viewpoint viewing experiences. However, the most popular LF representations are images from multiple views. Multi-view image-based representations generally need to…

Multimedia · Computer Science 2018-05-30 Xiang Zhang , Philip A. Chou , Ming-Ting Sun , Maolong Tang , Shanshe Wang , Siwei Ma , Wen Gao

Typically, the deployment of face recognition models in the wild needs to identify low-resolution faces with extremely low computational cost. To address this problem, a feasible solution is compressing a complex face model to achieve…

Computer Vision and Pattern Recognition · Computer Science 2019-03-14 Shiming Ge , Shengwei Zhao , Chenyu Li , Jia Li

Light field imaging extends the traditional photography by capturing both spatial and angular distribution of light, which enables new capabilities, including post-capture refocusing, post-capture aperture control, and depth estimation from…

Computer Vision and Pattern Recognition · Computer Science 2018-03-14 M. Shahzeb Khan Gul , Bahadir K. Gunturk

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

Neural radiance fields are an emerging 3D scene representation and recently even been extended to learn features for scene understanding by distilling open-vocabulary features from vision-language models. However, current method primarily…

Computer Vision and Pattern Recognition · Computer Science 2025-03-26 Sebastian Koch , Johanna Wald , Mirco Colosi , Narunas Vaskevicius , Pedro Hermosilla , Federico Tombari , Timo Ropinski

Facial expression recognition is an essential task for various applications, including emotion detection, mental health analysis, and human-machine interactions. In this paper, we propose a multi-modal facial expression recognition method…

Computer Vision and Pattern Recognition · Computer Science 2023-03-21 Jun-Hwa Kim , Namho Kim , Chee Sun Won

Face recognition has been widely studied due to its importance in different applications; however, most of the proposed methods fail when face images are occluded or captured under illumination and pose variations. Recently several low-rank…

Computer Vision and Pattern Recognition · Computer Science 2017-03-16 Homa Foroughi , Moein Shakeri , Nilanjan Ray , Hong Zhang

Robust face detection in the wild is one of the ultimate components to support various facial related problems, i.e. unconstrained face recognition, facial periocular recognition, facial landmarking and pose estimation, facial expression…

Computer Vision and Pattern Recognition · Computer Science 2016-06-20 Chenchen Zhu , Yutong Zheng , Khoa Luu , Marios Savvides

Dense facial landmark detection is one of the key elements of face processing pipeline. It is used in virtual face reenactment, emotion recognition, driver status tracking, etc. Early approaches were suitable for facial landmark detection…

Computer Vision and Pattern Recognition · Computer Science 2022-04-26 Kostiantyn Khabarlak , Larysa Koriashkina

Real-world face recognition applications often deal with suboptimal image quality or resolution due to different capturing conditions such as various subject-to-camera distances, poor camera settings, or motion blur. This characteristic has…

Computer Vision and Pattern Recognition · Computer Science 2022-11-28 Martin Knoche , Stefan Hörmann , Gerhard Rigoll

Face recognition has achieved outstanding performance in the last decade with the development of deep learning techniques. Nowadays, the challenges in face recognition are related to specific scenarios, for instance, the performance under…

Computer Vision and Pattern Recognition · Computer Science 2023-01-18 Iurii Medvedev , Farhad Shadmand , Nuno Gonçalves

Capsule neural network is a new and popular technique in deep learning. However, the traditional capsule neural network does not extract features sufficiently before the dynamic routing between the capsules. In this paper, the one Double…

Computer Vision and Pattern Recognition · Computer Science 2019-12-06 Shan Cao , Yuqian Yao , Gaoyun An