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A core challenge faced by the majority of individuals with Autism Spectrum Disorder (ASD) is an impaired ability to infer other people's emotions based on their facial expressions. With significant recent advances in machine learning, one…

Computer Vision and Pattern Recognition · Computer Science 2020-03-05 James Ren Hou Lee , Alexander Wong

In this paper, we propose a novel deep learning network L1-(2D)2PCANet for face recognition, which is based on L1-norm-based two-directional two-dimensional principal component analysis (L1-(2D)2PCA). In our network, the role of L1-(2D)2PCA…

Computer Vision and Pattern Recognition · Computer Science 2019-07-24 YunKun Li , XiaoJun Wu , Josef Kittler

In this paper, we propose a deep learning approach for image registration by predicting deformation from image appearance. Since obtaining ground-truth deformation fields for training can be challenging, we design a fully convolutional…

Computer Vision and Pattern Recognition · Computer Science 2018-02-14 Jingfan Fan , Xiaohuan Cao , Pew-Thian Yap , Dinggang Shen

Facial emotion recognition is a vast and complex problem space within the domain of computer vision and thus requires a universally accepted baseline method with which to evaluate proposed models. While test datasets have served this…

Computer Vision and Pattern Recognition · Computer Science 2022-02-01 Nyle Siddiqui , Rushit Dave , Tyler Bauer , Thomas Reither , Dylan Black , Mitchell Hanson

Facial expressions are one of the most powerful ways for depicting specific patterns in human behavior and describing human emotional state. Despite the impressive advances of affective computing over the last decade, automatic video-based…

Computer Vision and Pattern Recognition · Computer Science 2021-01-18 Thomas Teixeira , Eric Granger , Alessandro Lameiras Koerich

In this paper, we propose a novel Feature Decomposition and Reconstruction Learning (FDRL) method for effective facial expression recognition. We view the expression information as the combination of the shared information (expression…

Computer Vision and Pattern Recognition · Computer Science 2021-04-22 Delian Ruan , Yan Yan , Shenqi Lai , Zhenhua Chai , Chunhua Shen , Hanzi Wang

As the expressive depth of an emotional face differs with individuals or expressions, recognizing an expression using a single facial image at a moment is difficult. A relative expression of a query face compared to a reference face might…

Computer Vision and Pattern Recognition · Computer Science 2019-05-09 Youngsung Kim , ByungIn Yoo , Youngjun Kwak , Changkyu Choi , Junmo Kim

Diversity of the features extracted by deep neural networks is important for enhancing the model generalization ability and accordingly its performance in different learning tasks. Facial expression recognition in the wild has attracted…

Computer Vision and Pattern Recognition · Computer Science 2023-02-21 Negar Heidari , Alexandros Iosifidis

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

The purpose of this paper is to design a solution to the problem of facial recognition by use of convolutional neural networks, with the intention of applying the solution in a camera-based home-entry access control system. More…

Computer Vision and Pattern Recognition · Computer Science 2020-11-24 Lars Lien Ankile , Morgan Feet Heggland , Kjartan Krange

Recognizing facial expressions from static images or video sequences is a widely studied but still challenging problem. The recent progresses obtained by deep neural architectures, or by ensembles of heterogeneous models, have shown that…

Computer Vision and Pattern Recognition · Computer Science 2018-10-25 Lisa Graziani , Stefano Melacci , Marco Gori

Deep neural networks demonstrate to have a high performance on image classification tasks while being more difficult to train. Due to the complexity and vanishing gradient problem, it normally takes a lot of time and more computational…

Computer Vision and Pattern Recognition · Computer Science 2018-05-02 Mohammad Sadegh Ebrahimi , Hossein Karkeh Abadi

Deep neural networks have been widely used in computer vision. There are several well trained deep neural networks for the ImageNet classification challenge, which has played a significant role in image recognition. However, little work has…

Computer Vision and Pattern Recognition · Computer Science 2019-04-19 Youshan Zhang , Brian D. Davison

Recent years have produced great advances in training large, deep neural networks (DNNs), including notable successes in training convolutional neural networks (convnets) to recognize natural images. However, our understanding of how these…

Computer Vision and Pattern Recognition · Computer Science 2015-06-23 Jason Yosinski , Jeff Clune , Anh Nguyen , Thomas Fuchs , Hod Lipson

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

Most existing compound facial expression recognition (FER) methods rely on large-scale labeled compound expression data for training. However, collecting such data is labor-intensive and time-consuming. In this paper, we address the…

Computer Vision and Pattern Recognition · Computer Science 2022-07-19 Xinyi Zou , Yan Yan , Jing-Hao Xue , Si Chen , Hanzi Wang

In recent years, Deep Neural Networks (DNN) have emerged as a practical method for image recognition. The raw data, which contain sensitive information, are generally exploited within the training process. However, when the training process…

Computer Vision and Pattern Recognition · Computer Science 2023-12-15 Qilong Li , Ji Liu , Yifan Sun , Chongsheng Zhang , Dejing Dou

Facial expression is a standout amongst the most imperative features of human emotion recognition. For demonstrating the emotional states facial expressions are utilized by the people. In any case, recognition of facial expressions has…

Computer Vision and Pattern Recognition · Computer Science 2020-09-30 S. D. Lalitha , K. K. Thyagharajan

Despite being the appearance-based classifier of choice in recent years, relatively few works have examined how much convolutional neural networks (CNNs) can improve performance on accepted expression recognition benchmarks and, more…

Computer Vision and Pattern Recognition · Computer Science 2017-03-17 Pooya Khorrami , Tom Le Paine , Thomas S. Huang

Current state-of-the-art models for automatic FER are based on very deep neural networks that are difficult to train. This makes it challenging to adapt these models to changing conditions, a requirement from FER models given the subjective…

Computer Vision and Pattern Recognition · Computer Science 2020-06-18 Pablo Barros , Nikhil Churamani , Alessandra Sciutti