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Emotion is an intricate physiological response that plays a crucial role in how we respond and cooperate with others in our daily affairs. Numerous experiments have been evolved to recognize emotion, however still require exploration to…

Human-Computer Interaction · Computer Science 2023-11-20 Danastan Tasaouf Mridula , Abu Ahmed Ferdaus , Tanmoy Sarkar Pias

With the wide adoption of functional magnetic resonance imaging (fMRI) by cognitive neuroscience researchers, large volumes of brain imaging data have been accumulated in recent years. Aggregating these data to derive scientific insights…

Applications · Statistics 2020-06-01 Ming Bo Cai , Michael Shvartsman , Anqi Wu , Hejia Zhang , Xia Zhu

Machine learning has been used to recognize emotions in faces, typically by looking for 8 different emotional states (neutral, happy, sad, surprise, fear, disgust, anger and contempt). We consider two approaches: feature recognition based…

Computer Vision and Pattern Recognition · Computer Science 2022-08-23 Siddartha Dalal , Sierra Vo , Michael Lesk , Wesley Yuan

Accurate segmentation of brain tissue in magnetic resonance images (MRI) is a diffcult task due to different types of brain abnormalities. Using information and features from multimodal MRI including T1, T1-weighted inversion recovery…

Computer Vision and Pattern Recognition · Computer Science 2019-03-07 Yongpei Zhu , Zicong Zhou , Guojun Liao , Qianxi Yang , Kehong Yuan

The analysis of Magnetic Resonance Imaging (MRI) sequences enables clinical professionals to monitor the progression of a brain tumor. As the interest for automatizing brain volume MRI analysis increases, it becomes convenient to have each…

Image and Video Processing · Electrical Eng. & Systems 2021-06-08 Jean Pablo Vieira de Mello , Thiago M. Paixão , Rodrigo Berriel , Mauricio Reyes , Claudine Badue , Alberto F. De Souza , Thiago Oliveira-Santos

Combining Functional MRI (fMRI) data across different subjects and datasets is crucial for many neuroscience tasks. Relying solely on shared anatomy for brain-to-brain mapping is inadequate. Existing functional transformation methods thus…

Neurons and Cognition · Quantitative Biology 2025-03-18 Navve Wasserman , Roman Beliy , Roy Urbach , Michal Irani

Over recent decades, neuroimaging tools, particularly electroencephalography (EEG), have revolutionized our understanding of the brain and its functions. EEG is extensively used in traditional brain-computer interface (BCI) systems due to…

Neurons and Cognition · Quantitative Biology 2026-05-12 Zaineb Ajra , Binbin Xu , Gérard Dray , Jacky Montmain , Stéphane Perrey

Prediction of the cognitive evolution of a person susceptible to develop a neurodegenerative disorder is crucial to provide an appropriate treatment as soon as possible. In this paper we propose a 3D siamese network designed to extract…

Image and Video Processing · Electrical Eng. & Systems 2019-09-04 Cecilia Ostertag , Marie Beurton-Aimar , Thierry Urruty

In this paper, we present a fully automatic brain tumor segmentation and classification model using a Deep Convolutional Neural Network that includes a multiscale approach. One of the differences of our proposal with respect to previous…

Image and Video Processing · Electrical Eng. & Systems 2024-02-12 Francisco Javier Díaz-Pernas , Mario Martínez-Zarzuela , Míriam Antón-Rodríguez , David González-Ortega

Lack of adequate training samples and noisy high-dimensional features are key challenges faced by Motor Imagery (MI) decoding algorithms for electroencephalogram (EEG) based Brain-Computer Interface (BCI). To address these challenges,…

Other Computer Science · Computer Science 2024-10-28 Ravikiran Mane , Effie Chew , Karen Chua , Kai Keng Ang , Neethu Robinson , A. P. Vinod , Seong-Whan Lee , Cuntai Guan

Facial expressions play an important role in conveying the emotional states of human beings. Recently, deep learning approaches have been applied to image recognition field due to the discriminative power of Convolutional Neural Network…

Computer Vision and Pattern Recognition · Computer Science 2018-07-30 Yingruo Fan , Jacqueline C. K. Lam , Victor O. K. Li

Brain tumors require an assessment to ensure timely diagnosis and effective patient treatment. Morphological factors such as size, location, texture, and variable appearance complicate tumor inspection. Medical imaging presents challenges,…

Computer Vision and Pattern Recognition · Computer Science 2025-06-27 Md. Zahid Hasan , Abdullah Tamim , D. M. Asadujjaman , Md. Mahfujur Rahman , Md. Abu Ahnaf Mollick , Nosin Anjum Dristi , Abdullah-Al-Noman

In this study, we adopted visual motion imagery, which is a more intuitive brain-computer interface (BCI) paradigm, for decoding the intuitive user intention. We developed a 3-dimensional BCI training platform and applied it to assist the…

Signal Processing · Electrical Eng. & Systems 2020-05-19 Byoung-Hee Kwon , Ji-Hoon Jeong , Jeong-Hyun Cho , Seong-Whan Lee

Expressing and identifying emotions through facial and physical expressions is a significant part of social interaction. Emotion recognition is an essential task in computer vision due to its various applications and mainly for allowing a…

Computer Vision and Pattern Recognition · Computer Science 2021-12-15 Willams Costa , David Macêdo , Cleber Zanchettin , Lucas S. Figueiredo , Veronica Teichrieb

Functional magnetic resonance imaging (fMRI) enables indirect detection of brain activity changes via the blood-oxygen-level-dependent (BOLD) signal. Conventional analysis methods mainly rely on the real-valued magnitude of these signals.…

Methodology · Statistics 2023-10-31 Zhengxin Wang , Daniel B. Rowe , Xinyi Li , D. Andrew Brown

In the era of advanced artificial intelligence and human-computer interaction, identifying emotions in spoken language is paramount. This research explores the integration of deep learning techniques in speech emotion recognition, offering…

Sound · Computer Science 2023-10-20 Hanan Hamza , Fiza Gafoor , Fathima Sithara , Gayathri Anil , V. S. Anoop

Identifying human emotions using AI-based computer vision systems, when individuals wear face masks, presents a new challenge in the current Covid-19 pandemic. In this study, we propose a facial emotion recognition system capable of…

Computer Vision and Pattern Recognition · Computer Science 2023-12-05 Aref Farhadipour , Pouya Taghipour

In the recent years there have been a number of studies that applied deep learning algorithms to neuroimaging data. Pipelines used in those studies mostly require multiple processing steps for feature extraction, although modern…

Computer Vision and Pattern Recognition · Computer Science 2017-01-25 Sergey Korolev , Amir Safiullin , Mikhail Belyaev , Yulia Dodonova

Functional MRI (fMRI) is widely used to examine brain functionality by detecting alteration in oxygenated blood flow that arises with brain activity. In this study, complexity specific image categorization across different visual datasets…

Image and Video Processing · Electrical Eng. & Systems 2023-09-08 Vamshi K. Kancharala , Debanjali Bhattacharya , Neelam Sinha