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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

Compared to facial expression recognition, expression synthesis requires a very high-dimensional mapping. This problem exacerbates with increasing image sizes and limits existing expression synthesis approaches to relatively small images.…

Computer Vision and Pattern Recognition · Computer Science 2020-11-19 Nazar Khan , Arbish Akram , Arif Mahmood , Sania Ashraf , Kashif Murtaza

The face expression is the first thing we pay attention to when we want to understand a person's state of mind. Thus, the ability to recognize facial expressions in an automatic way is a very interesting research field. In this paper,…

Computer Vision and Pattern Recognition · Computer Science 2024-02-16 Enrico Randellini , Leonardo Rigutini , Claudio Sacca'

Smile is one of the key elements in identifying emotions and present state of mind of an individual. In this work, we propose a cluster of approaches to classify posed and spontaneous smiles using deep convolutional neural network (CNN)…

Computer Vision and Pattern Recognition · Computer Science 2017-02-20 Bappaditya Mandal , David Lee , Nizar Ouarti

The locations of the fiducial facial landmark points around facial components and facial contour capture the rigid and non-rigid facial deformations due to head movements and facial expressions. They are hence important for various facial…

Computer Vision and Pattern Recognition · Computer Science 2018-05-16 Yue Wu , Qiang Ji

A novel methodology for gender classification is presented in this paper. It extracts feature from local region of a face using gray color intensity difference. The facial area is divided into sub-regions and GDP histogram extracted from…

Computer Vision and Pattern Recognition · Computer Science 2013-10-28 Mohammad shahidul Islam

Automated Facial Expression Recognition (FER) has been a challenging task for decades. Many of the existing works use hand-crafted features such as LBP, HOG, LPQ, and Histogram of Optical Flow (HOF) combined with classifiers such as Support…

Computer Vision and Pattern Recognition · Computer Science 2020-04-17 Behzad Hasani , Mohammad H. Mahoor

We present a new end-to-end network architecture for facial expression recognition with an attention model. It focuses attention in the human face and uses a Gaussian space representation for expression recognition. We devise this…

Computer Vision and Pattern Recognition · Computer Science 2019-02-12 Pedro D. Marrero Fernandez , Fidel A. Guerrero Peña , Tsang Ing Ren , Alexandre Cunha

The human face constantly conveys information, both consciously and subconsciously. However, as basic as it is for humans to visually interpret this information, it is quite a big challenge for machines. Conventional semantic facial feature…

Machine Learning · Computer Science 2016-10-21 Amogh Gudi

Emotion recognition aims to interpret the emotional states of a person based on various inputs including audio, visual, and textual cues. This paper focuses on emotion recognition using visual features. To leverage the correlation between…

Computer Vision and Pattern Recognition · Computer Science 2022-10-20 Akshita Mittel , Shashank Tripathi

In the beginning stage, face verification is done using easy method of geometric algorithm models, but the verification route has now developed into a scientific progress of complicated geometric representation and identical procedure. In…

Computer Vision and Pattern Recognition · Computer Science 2014-03-24 V. Karthikeyan , K. Vijayalakshmi , P. Jeyakumar

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 present a deep learning based image feature extraction method designed specifically for face images. To train the feature extraction model, we construct a large scale photo-realistic face image dataset with ground-truth…

Computer Vision and Pattern Recognition · Computer Science 2018-03-13 Boyi Jiang , Juyong Zhang , Bailin Deng , Yudong Guo , Ligang Liu

Facial Expression Recognition is a vital research topic in most fields ranging from artificial intelligence and gaming to Human-Computer Interaction (HCI) and Psychology. This paper proposes a hybrid model for Facial Expression recognition,…

Computer Vision and Pattern Recognition · Computer Science 2022-08-02 Ozioma Collins Oguine , Kanyifeechukwu Jane Oguine , Hashim Ibrahim Bisallah , Daniel Ofuani

In this paper, a multi-resolution feature extraction algorithm for face recognition is proposed based on two-dimensional discrete wavelet transform (2D-DWT), which efficiently exploits the local spatial variations in a face image. For the…

Computer Vision and Pattern Recognition · Computer Science 2011-10-10 Hafiz Imtiaz , Shaikh Anowarul Fattah

We have developed convolutional neural networks (CNN) for a facial expression recognition task. The goal is to classify each facial image into one of the seven facial emotion categories considered in this study. We trained CNN models with…

Computer Vision and Pattern Recognition · Computer Science 2017-04-25 Shima Alizadeh , Azar Fazel

Micro-facial expressions are regarded as an important human behavioural event that can highlight emotional deception. Spotting these movements is difficult for humans and machines, however research into using computer vision to detect…

Computer Vision and Pattern Recognition · Computer Science 2016-12-16 Adrian K. Davison , Cliff Lansley , Choon Ching Ng , Kevin Tan , Moi Hoon Yap

Face identification/recognition has significantly advanced over the past years. However, most of the proposed approaches rely on static RGB frames and on neutral facial expressions. This has two disadvantages. First, important facial shape…

Computer Vision and Pattern Recognition · Computer Science 2021-04-21 Konstantinos Papadopoulos , Anis Kacem , Abdelrahman Shabayek , Djamila Aouada

There is an increasing scientific interest in automatically analysing and understanding human behavior, with particular reference to the evolution of facial expressions and the recognition of the corresponding emotions. In this paper we…

Computer Vision and Pattern Recognition · Computer Science 2021-03-02 Rongjiao Ji , Alessandra Micheletti , Natasa Krklec Jerinkic , Zoranka Desnica

Facial expression is related to facial muscle contractions and different muscle movements correspond to different emotional states. For micro-expression recognition, the muscle movements are usually subtle, which has a negative impact on…

Computer Vision and Pattern Recognition · Computer Science 2023-07-28 Zhifeng Wang , Kaihao Zhang , Wenhan Luo , Ramesh Sankaranarayana