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The amount of information in the form of features and variables avail- able to machine learning algorithms is ever increasing. This can lead to classifiers that are prone to overfitting in high dimensions, high di- mensional models do not…

Machine Learning · Computer Science 2014-02-12 Aaron Karper

Affective Analysis is not a single task, and the valence-arousal value, expression class, and action unit can be predicted at the same time. Previous researches did not pay enough attention to the entanglement and hierarchical relation of…

Computer Vision and Pattern Recognition · Computer Science 2021-07-20 Ruian He , Zhen Xing , Weimin Tan , Bo Yan

In human-to-computer interaction, facial animation in synchrony with affective speech can deliver more naturalistic conversational agents. In this paper, we present a two-stage deep learning approach for affective speech driven facial shape…

Audio and Speech Processing · Electrical Eng. & Systems 2019-08-13 Rizwan Sadiq , Sasan AsadiAbadi , Engin Erzin

Deepfake detection research has largely converged on deep learning approaches that, despite strong benchmark performance, offer limited insight into what distinguishes real from manipulated facial behavior. This study presents an…

Computer Vision and Pattern Recognition · Computer Science 2026-04-24 Timothy Joseph Murphy , Jennifer Cook , Hélio Clemente José Cuve

Classification of human emotions remains an important and challenging task for many computer vision algorithms, especially in the era of humanoid robots which coexist with humans in their everyday life. Currently proposed methods for…

Computer Vision and Pattern Recognition · Computer Science 2018-10-26 Ivona Tautkute , Tomasz Trzcinski

Dimensionality Reduction is a commonly used element in a machine learning pipeline that helps to extract important features from high-dimensional data. In this work, we explore an alternative federated learning system that enables…

Machine Learning · Computer Science 2020-11-16 Anna Bogdanova , Akie Nakai , Yukihiko Okada , Akira Imakura , Tetsuya Sakurai

An image is a very effective tool for conveying emotions. Many researchers have investigated in computing the image emotions by using various features extracted from images. In this paper, we focus on two high level features, the object and…

Computer Vision and Pattern Recognition · Computer Science 2017-07-04 Hye-Rin Kim , Yeong-Seok Kim , Seon Joo Kim , In-Kwon Lee

Although dense local spatial-temporal features with bag-of-features representation achieve state-of-the-art performance for action recognition, the huge feature number and feature size prevent current methods from scaling up to real size…

Computer Vision and Pattern Recognition · Computer Science 2015-01-29 Youjie Zhou , Hongkai Yu , Song Wang

Agents must monitor their partners' affective states continuously in order to understand and engage in social interactions. However, methods for evaluating affect recognition do not account for changes in classification performance that may…

Human-Computer Interaction · Computer Science 2025-09-08 Allen Chang , Lauren Klein , Marcelo R. Rosales , Weiyang Deng , Beth A. Smith , Maja J. Matarić

In this paper, a hardware-optimized approach to emotion recognition based on the efficient brain-inspired hyperdimensional computing (HDC) paradigm is proposed. Emotion recognition provides valuable information for human-computer…

Emerging Technologies · Computer Science 2021-04-08 Alisha Menon , Anirudh Natarajan , Reva Agashe , Daniel Sun , Melvin Aristio , Harrison Liew , Yakun Sophia Shao , Jan M. Rabaey

Computational visual aesthetics has recently become an active research area. Existing state-of-art methods formulate this as a binary classification task where a given image is predicted to be beautiful or not. In many applications such as…

Computer Vision and Pattern Recognition · Computer Science 2017-04-06 Parag S. Chandakkar , Vijetha Gattupalli , Baoxin Li

Classification of human emotions remains an important and challenging task for many computer vision algorithms, especially in the era of humanoid robots which coexist with humans in their everyday life. Currently proposed methods for…

Computer Vision and Pattern Recognition · Computer Science 2018-10-25 Ivona Tautkute , Tomasz Trzcinski , Adam Bielski

Texture classification is an active topic in image processing which plays an important role in many applications such as image retrieval, inspection systems, face recognition, medical image processing, etc. There are many approaches…

Computer Vision and Pattern Recognition · Computer Science 2018-04-03 Shervan Fekri-Ershad

Privacy is a complex, subjective and contextual concept that is difficult to define. Therefore, the annotation of images to train privacy classifiers is a challenging task. In this paper, we analyse privacy classification datasets and the…

Computer Vision and Pattern Recognition · Computer Science 2023-11-01 Darya Baranouskaya , Andrea Cavallaro

An important application of interactive machine learning is extending or amplifying the cognitive and physical capabilities of a human. To accomplish this, machines need to learn about their human users' intentions and adapt to their…

Human-Computer Interaction · Computer Science 2016-06-10 Vivek Veeriah , Patrick M. Pilarski , Richard S. Sutton

This paper presents a versatile technique for the purpose of feature selection and extraction - Class Dependent Features (CDFs). We use CDFs to improve the accuracy of classification and at the same time control computational expense by…

Machine Learning · Computer Science 2014-12-30 Kratarth Goel , Raunaq Vohra , Ainesh Bakshi

This paper presents a novel approach in a rarely studied area of computer vision: Human interaction recognition in still images. We explore whether the facial regions and their spatial configurations contribute to the recognition of…

Computer Vision and Pattern Recognition · Computer Science 2015-09-18 Gokhan Tanisik , Cemil Zalluhoglu , Nazli Ikizler-Cinbis

Fairness has been a critical issue that affects the adoption of deep learning models in real practice. To improve model fairness, many existing methods have been proposed and evaluated to be effective in their own contexts. However, there…

Machine Learning · Computer Science 2024-03-26 Junjie Yang , Jiajun Jiang , Zeyu Sun , Junjie Chen

Affective video indexing is the area of research that develops techniques to automatically generate descriptions of video content that encode the emotional reactions which the video content evokes in viewers. This paper provides a set of…

Multimedia · Computer Science 2014-12-01 Mohammad Soleymani , Martha Larson , Thierry Pun , Alan Hanjalic

The growing number of dimensionality reduction methods available for data visualization has recently inspired the development of quality assessment measures, in order to evaluate the resulting low-dimensional representation independently…

Machine Learning · Computer Science 2011-10-19 Wouter Lueks , Bassam Mokbel , Michael Biehl , Barbara Hammer