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We present a minimalistic but effective neural network that computes dense facial correspondences in highly unconstrained RGB images. Our network learns a per-pixel flow and a matchability mask between 2D input photographs of a person and…

计算机视觉与模式识别 · 计算机科学 2017-09-05 Ronald Yu , Shunsuke Saito , Haoxiang Li , Duygu Ceylan , Hao Li

The partially occluded image recognition (POIR) problem has been a challenge for artificial intelligence for a long time. A common strategy to handle the POIR problem is using the non-occluded features for classification. Unfortunately,…

计算机视觉与模式识别 · 计算机科学 2023-03-17 Jiahong Zhang , Lihong Cao , Qiuxia Lai , Binyao Li , Yunxiao Qin

We address the use of selfie ocular images captured with smartphones to estimate age and gender. Partial face occlusion has become an issue due to the mandatory use of face masks. Also, the use of mobile devices has exploded, with the…

计算机视觉与模式识别 · 计算机科学 2021-05-06 Fernando Alonso-Fernandez , Kevin Hernandez Diaz , Silvia Ramis , Francisco J. Perales , Josef Bigun

We present an approach for unsupervised training of CNNs in order to learn discriminative face representations. We mine supervised training data by noting that multiple faces in the same video frame must belong to different persons and the…

计算机视觉与模式识别 · 计算机科学 2018-03-06 Samyak Datta , Gaurav Sharma , C. V. Jawahar

Recently, deep learning approaches have achieved promising results in various fields of computer vision. In this paper, we tackle the problem of head pose estimation through a Convolutional Neural Network (CNN). Differently from other…

计算机视觉与模式识别 · 计算机科学 2017-03-07 Marco Venturelli , Guido Borghi , Roberto Vezzani , Rita Cucchiara

We consider the task of predicting various traits of a person given an image of their face. We estimate both objective traits, such as gender, ethnicity and hair-color; as well as subjective traits, such as the emotion a person expresses or…

计算机视觉与模式识别 · 计算机科学 2016-05-31 Yoad Lewenberg , Yoram Bachrach , Sukrit Shankar , Antonio Criminisi

In recent years, deep convolutional neural networks (CNN) have significantly advanced face detection. In particular, lightweight CNNbased architectures have achieved great success due to their lowcomplexity structure facilitating real-time…

计算机视觉与模式识别 · 计算机科学 2023-02-24 Guangtao Wang , Jun Li , Zhijian Wu , Jianhua Xu , Jifeng Shen , Wankou Yang

Facial emotion recognition is the task to classify human emotions in face images. It is a difficult task due to high aleatoric uncertainty and visual ambiguity. A large part of the literature aims to show progress by increasing accuracy on…

计算机视觉与模式识别 · 计算机科学 2020-08-18 Maryam Matin , Matias Valdenegro-Toro

Depth information has been proven useful for face recognition. However, existing depth-image-based face recognition methods still suffer from noisy depth values and varying poses and expressions. In this paper, we propose a novel method for…

计算机视觉与模式识别 · 计算机科学 2018-05-02 Ziqing Feng , Qijun Zhao

We present a new type of backdoor attack that exploits a vulnerability of convolutional neural networks (CNNs) that has been previously unstudied. In particular, we examine the application of facial recognition. Deep learning techniques are…

计算机视觉与模式识别 · 计算机科学 2018-12-10 Jacob Dumford , Walter Scheirer

Face representation learning solutions have recently achieved great success for various applications such as verification and identification. However, face recognition approaches that are based purely on RGB images rely solely on intensity…

计算机视觉与模式识别 · 计算机科学 2021-04-06 Hardik Uppal , Alireza Sepas-Moghaddam , Michael Greenspan , Ali Etemad

With the advent of 2-dimensional Convolution Neural Networks (2D CNNs), the face recognition accuracy has reached above 99%. However, face recognition is still a challenge in real world conditions. A video, instead of an image, as an input…

计算机视觉与模式识别 · 计算机科学 2021-02-03 Nayaneesh Kumar Mishra , Satish Kumar Singh

Automatic facial expression recognition (FER) has gained much attention due to its applications in human-computer interaction. Among the approaches to improve FER tasks, this paper focuses on deep architecture with the attention mechanism.…

计算机视觉与模式识别 · 计算机科学 2026-03-09 Luan Pham , The Huynh Vu , Tuan Anh Tran

Facial expression recognition in videos is an active area of research in computer vision. However, fake facial expressions are difficult to be recognized even by humans. On the other hand, facial micro-expressions generally represent the…

计算机视觉与模式识别 · 计算机科学 2019-04-03 Sai Prasanna Teja Reddy , Surya Teja Karri , Shiv Ram Dubey , Snehasis Mukherjee

Deep learning models suffer from opaqueness. For Convolutional Neural Networks (CNNs), current research strategies for explaining models focus on the target classes within the associated training dataset. As a result, the understanding of…

计算机视觉与模式识别 · 计算机科学 2021-02-23 Xuehao Liu , Sarah Jane Delany , Susan McKeever

Head pose estimation is a crucial problem for many tasks, such as driver attention, fatigue detection, and human behaviour analysis. It is well known that neural networks are better at handling classification problems than regression…

计算机视觉与模式识别 · 计算机科学 2020-05-26 Zhongxu Hu , Yang Xing , Chen Lv , Peng Hang , Jie Liu

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…

计算机视觉与模式识别 · 计算机科学 2020-06-23 Dan Zeng , Raymond Veldhuis , Luuk Spreeuwers

Deep convolutional neural networks (DCNNs) have achieved human-level accuracy in face identification (Phillips et al., 2018), though it is unclear how accurately they discriminate highly-similar faces. Here, humans and a DCNN performed a…

计算机视觉与模式识别 · 计算机科学 2022-07-13 Connor J. Parde , Virginia E. Strehle , Vivekjyoti Banerjee , Ying Hu , Jacqueline G. Cavazos , Carlos D. Castillo , Alice J. O'Toole

Real-world face recognition requires an ability to perceive the unique features of an individual face across multiple, variable images. The primate visual system solves the problem of image invariance using cascades of neurons that convert…

计算机视觉与模式识别 · 计算机科学 2019-11-15 Matthew Q. Hill , Connor J. Parde , Carlos D. Castillo , Y. Ivette Colon , Rajeev Ranjan , Jun-Cheng Chen , Volker Blanz , Alice J. O'Toole

The presence of occlusions has provided substantial challenges to typically-powerful object recognition algorithms. Additional sources of information can be extremely valuable to reduce errors caused by occlusions. Scene context is known to…

计算机视觉与模式识别 · 计算机科学 2025-10-31 Courtney M. King , Daniel D. Leeds , Damian Lyons , George Kalaitzis