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Style transfer is a significant problem of machine learning with numerous successful applications. In this work, we present a novel style transfer framework building upon infinite task learning and vector-valued reproducing kernel Hilbert…

Machine Learning · Statistics 2021-02-11 Alex Lambert , Sanjeel Parekh , Zoltán Szabó , Florence d'Alché-Buc

As a spontaneous expression of emotion on face, micro-expression reveals the underlying emotion that cannot be controlled by human. In micro-expression, facial movement is transient and sparsely localized through time. However, the existing…

Computer Vision and Pattern Recognition · Computer Science 2021-03-16 Min Peng , Chongyang Wang , Yuan Gao , Tao Bi , Tong Chen , Yu Shi , Xiang-Dong Zhou

Concern regarding the wide-spread use of fraudulent images/videos in social media necessitates precise detection of such fraud. The importance of facial expressions in communication is widely known, and adversarial attacks often focus on…

Computer Vision and Pattern Recognition · Computer Science 2021-03-16 Ghazal Mazaheri , Amit K. Roy-Chowdhury

We present a novel approach to mitigate bias in facial expression recognition (FER) models. Our method aims to reduce sensitive attribute information such as gender, age, or race, in the embeddings produced by FER models. We employ a kernel…

Computer Vision and Pattern Recognition · Computer Science 2023-06-13 Mojtaba Kolahdouzi , Ali Etemad

3D action recognition was shown to benefit from a covariance representation of the input data (joint 3D positions). A kernel machine feed with such feature is an effective paradigm for 3D action recognition, yielding state-of-the-art…

Computer Vision and Pattern Recognition · Computer Science 2017-10-05 Jacopo Cavazza , Pietro Morerio , Vittorio Murino

In the realm of Virtual Reality (VR) and Human-Computer Interaction (HCI), real-time emotion recognition shows promise for supporting individuals with Autism Spectrum Disorder (ASD) in improving social skills. This task requires a strict…

Computer Vision and Pattern Recognition · Computer Science 2026-01-23 Yarin Benyamin

The kernel matrix used in kernel methods encodes all the information required for solving complex nonlinear problems defined on data representations in the input space using simple, but implicitly defined, solutions. Spectral analysis on…

Machine Learning · Computer Science 2020-10-26 Alexandros Iosifidis

In our everyday lives and social interactions we often try to perceive the emotional states of people. There has been a lot of research in providing machines with a similar capacity of recognizing emotions. From a computer vision…

Computer Vision and Pattern Recognition · Computer Science 2020-03-31 Ronak Kosti , Jose M. Alvarez , Adria Recasens , Agata Lapedriza

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

Can expressiveness of a drawing be traced with a computer? In this study a neural network (perceptron) and a support vector machine are used to classify line drawings. To do this the line drawings are attributed values according to a…

Other Computer Science · Computer Science 2009-08-28 Harm Hollestelle

Emotion recognition (ER) technology is an integral part for developing innovative applications such as drowsiness detection and health monitoring that plays a pivotal role in contemporary society. This study delves into ER using…

Human-Computer Interaction · Computer Science 2024-02-07 Haseeb ur Rahman Abbasi , Zeeshan Rashid , Muhammad Majid , Syed Muhammad Anwar

Video retargeting for digital face animation is used in virtual reality, social media, gaming, movies, and video conference, aiming to animate avatars' facial expressions based on videos of human faces. The standard method to represent…

Graphics · Computer Science 2023-06-22 Ariel Larey , Omri Asraf , Adam Kelder , Itzik Wilf , Ofer Kruzel , Nati Daniel

Due to the complex nature of human emotions and the diversity of emotion representation methods in humans, emotion recognition is a challenging field. In this research, three input modalities, namely text, audio (speech), and video, are…

Artificial Intelligence · Computer Science 2024-02-13 Minoo Shayaninasab , Bagher Babaali

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

We present an approach utilizing Topological Data Analysis to study the structure of face poses used in affective computing, i.e., the process of recognizing human emotion. The approach uses a conditional comparison of different emotions,…

Human-Computer Interaction · Computer Science 2021-08-04 Hamza Elhamdadi , Shaun Canavan , Paul Rosen

A recent paper (Neural Networks, {\bf 132} (2020), 253-268) introduces a straightforward and simple kernel based approximation for manifold learning that does not require the knowledge of anything about the manifold, except for its…

Machine Learning · Computer Science 2022-04-22 Eric Mason , Hrushikesh Mhaskar , Adam Guo

Humans are emotional creatures. Multiple modalities are often involved when we express emotions, whether we do so explicitly (e.g., facial expression, speech) or implicitly (e.g., text, image). Enabling machines to have emotional…

Signal Processing · Electrical Eng. & Systems 2021-11-10 Sicheng Zhao , Guoli Jia , Jufeng Yang , Guiguang Ding , Kurt Keutzer

Affective computing is a field of great interest in many computer vision applications, including video surveillance, behaviour analysis, and human-robot interaction. Most of the existing literature has addressed this field by analysing…

Computer Vision and Pattern Recognition · Computer Science 2020-06-24 Danilo Avola , Luigi Cinque , Alessio Fagioli , Gian Luca Foresti , Cristiano Massaroni

Accomplishments in the field of artificial intelligence are utilized in the advancement of computing and making of intelligent machines for facilitating mankind and improving user experience. Emotions are rudimentary for people, affecting…

Sound · Computer Science 2022-06-22 Asfand Ali , Danial Nasir , Mohammad Hassan Jawad

Deep convolutional neural networks have been shown to successfully recognize facial emotions for the past years in the realm of computer vision. However, the existing detection approaches are not always reliable or explainable, we here…

Computer Vision and Pattern Recognition · Computer Science 2024-02-27 Jiawen Wang , Leah Kawka