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Fully connected layer is an essential component of Convolutional Neural Networks (CNNs), which demonstrates its efficiency in computer vision tasks. The CNN process usually starts with convolution and pooling layers that first break down…

计算机视觉与模式识别 · 计算机科学 2020-09-24 M. Amine Mahmoudi , Aladine Chetouani , Fatma Boufera , Hedi Tabia

One of the most universal ways that people communicate is through facial expressions. In this paper, we take a deep dive, implementing multiple deep learning models for facial expression recognition (FER). Our goals are twofold: we aim not…

计算机视觉与模式识别 · 计算机科学 2020-04-27 Amil Khanzada , Charles Bai , Ferhat Turker Celepcikay

Video-based emotion recognition is a challenging task because it requires to distinguish the small deformations of the human face that represent emotions, while being invariant to stronger visual differences due to different identities.…

机器学习 · 计算机科学 2019-10-07 Masih Aminbeidokhti , Marco Pedersoli , Patrick Cardinal , Eric Granger

Affective computing and cognitive theory are widely used in modern human-computer interaction scenarios. Human faces, as the most prominent and easily accessible features, have attracted great attention from researchers. Since humans have…

计算机视觉与模式识别 · 计算机科学 2020-01-20 Wenxuan Wang , Yanwei Fu , Qiang Sun , Tao Chen , Chenjie Cao , Ziqi Zheng , Guoqiang Xu , Han Qiu , Yu-Gang Jiang , Xiangyang Xue

In this paper, we propose a new approach for facial expression recognition using deep covariance descriptors. The solution is based on the idea of encoding local and global Deep Convolutional Neural Network (DCNN) features extracted from…

计算机视觉与模式识别 · 计算机科学 2019-12-05 Naima Otberdout , Anis Kacem , Mohamed Daoudi , Lahoucine Ballihi , Stefano Berretti

Facial expression recognition is a challenging task when neural network is applied to pattern recognition. Most of the current recognition research is based on single source facial data, which generally has the disadvantages of low accuracy…

计算机视觉与模式识别 · 计算机科学 2021-09-28 Yi Han , Xubin Wang , Zhengyu Lu

Emotion recognition (ER) from facial images is one of the landmark tasks in affective computing with major developments in the last decade. Initial efforts on ER relied on handcrafted features that were used to characterize facial images…

计算机视觉与模式识别 · 计算机科学 2021-09-09 Fernanda Hernández-Luquin , Hugo Jair Escalante

A significant number of people are suffering from cognitive impairment all over the world. Early detection of cognitive impairment is of great importance to both patients and caregivers. However, existing approaches have their shortages,…

计算机视觉与模式识别 · 计算机科学 2021-11-10 Zixiang Fei , Erfu Yang , Leijian Yu , Xia Li , Huiyu Zhou , Wenju Zhou

Analysing expressions on the person's face plays a very vital role in identifying emotions and behavior of a person. Recognizing these expressions automatically results in a crucial component of natural human-machine interfaces. Therefore…

计算机视觉与模式识别 · 计算机科学 2021-11-16 Abhinav Lahariya , Varsha Singh , Uma Shanker Tiwary

This paper proposes a process for a classification model for the facial expressions. The proposed process would aid in specific categorisation of children's emotions from 2 emotions namely 'Happy' and 'Sad'. Since the existing emotion…

计算机视觉与模式识别 · 计算机科学 2024-11-13 Sanchayan Vivekananthan

Sentiment analysis of online user generated content is important for many social media analytics tasks. Researchers have largely relied on textual sentiment analysis to develop systems to predict political elections, measure economic…

计算机视觉与模式识别 · 计算机科学 2015-09-22 Quanzeng You , Jiebo Luo , Hailin Jin , Jianchao Yang

This paper introduces a visual sentiment concept classification method based on deep convolutional neural networks (CNNs). The visual sentiment concepts are adjective noun pairs (ANPs) automatically discovered from the tags of web photos,…

计算机视觉与模式识别 · 计算机科学 2014-11-03 Tao Chen , Damian Borth , Trevor Darrell , Shih-Fu Chang

We present a Fourier-based machine learning technique that characterizes and detects facial emotions. The main challenging task in the development of machine learning (ML) models for classifying facial emotions is the detection of accurate…

计算机视觉与模式识别 · 计算机科学 2021-12-07 Aishwarya Gouru , Shan Suthaharan

Despite their continued popularity, categorical approaches to affect recognition have limitations, especially in real-life situations. Dimensional models of affect offer important advantages for the recognition of subtle expressions and…

计算机视觉与模式识别 · 计算机科学 2021-06-16 Vassilios Vonikakis , Stefan Winkler

We aim to construct a system that captures real-world facial images through the front camera on a laptop. The system is capable of processing/recognizing the captured image and predict a result in real-time. In this system, we exploit the…

计算机视觉与模式识别 · 计算机科学 2019-10-25 Ching-Da Wu , Li-Heng Chen

We introduce our method and system for face recognition using multiple pose-aware deep learning models. In our representation, a face image is processed by several pose-specific deep convolutional neural network (CNN) models to generate…

Biometric recognition based on the full face is an extensive research area. However, using only partially visible faces, such as in the case of veiled-persons, is a challenging task. Deep convolutional neural network (CNN) is used in this…

Psychological research results have confirmed that people can have different emotional reactions to different visual stimuli. Several papers have been published on the problem of visual emotion analysis. In particular, attempts have been…

人工智能 · 计算机科学 2016-05-10 Quanzeng You , Jiebo Luo , Hailin Jin , Jianchao Yang

Understanding the facial expressions of our interlocutor is important to enrich the communication and to give it a depth that goes beyond the explicitly expressed. In fact, studying one's facial expression gives insight into their hidden…

计算机视觉与模式识别 · 计算机科学 2022-12-07 Rim EL Cheikh , Hélène Tran , Issam Falih , Engelbert Mephu Nguifo

We propose a local modelling approach using deep convolutional neural networks (CNNs) for fine-grained image classification. Recently, deep CNNs trained from large datasets have considerably improved the performance of object recognition.…

计算机视觉与模式识别 · 计算机科学 2015-03-02 ZongYuan Ge , Chris McCool , Conrad Sanderson , Peter Corke