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Attention is a vital cognitive process in the learning and memory environment, particularly in the context of online learning. Traditional methods for classifying attention states of online learners based on behavioral signals are prone to…

Human-Computer Interaction · Computer Science 2025-01-10 Huan Liu , Yuzhe Zhang , Guanjian Liu , Xinxin Du , Haochong Wang , Dalin Zhang

Attentional blink (AB) is a biological effect, showing that for 200 to 500ms after paying attention to one visual target, it is difficult to notice another target that appears next, and attentional blink magnitude (ABM) is a indicating…

Artificial Intelligence · Computer Science 2021-11-04 Renzhou Gui , Xiaohong Ji

Successful learning depends on learners' ability to sustain attention, which is particularly challenging in online education due to limited teacher interaction. A potential indicator for attention is gaze synchrony, demonstrating predictive…

Human-Computer Interaction · Computer Science 2024-04-02 Babette Bühler , Efe Bozkir , Hannah Deininger , Peter Gerjets , Ulrich Trautwein , Enkelejda Kasneci

Deep metric learning aims to learn an embedding function, modeled as deep neural network. This embedding function usually puts semantically similar images close while dissimilar images far from each other in the learned embedding space.…

Computer Vision and Pattern Recognition · Computer Science 2018-09-03 Wonsik Kim , Bhavya Goyal , Kunal Chawla , Jungmin Lee , Keunjoo Kwon

This paper presents a new preprocessing method to correct blinking artifacts in Electroencephalography (EEG) based Brain-Computer Interfaces (BCIs). This Algorithm for Blink Correction (ABC) directly corrects the signal in the time domain…

Neurons and Cognition · Quantitative Biology 2019-11-01 E. Guttmann-Flury , X. Sheng , D. Zhang , X. Zhu

This study introduces a specialized pipeline designed to classify the concentration state of an individual student during online learning sessions by training a custom-tailored machine learning model. Detailed protocols for acquiring and…

Machine Learning · Computer Science 2025-02-24 Zewen Zhuo , Mohamad Najafi , Hazem Zein , Amine Nait-Ali

Amyotrophic lateral sclerosis (ALS) is a progressive neurodegenerative disease of the brain and the spinal cord, which leads to paralysis of motor functions. Patients retain their ability to blink, which can be used for communication. Here,…

Computer Vision and Pattern Recognition · Computer Science 2021-07-01 Albara Ah Ramli , Rex Liu , Rahul Krishnamoorthy , Vishal I B , Xiaoxiao Wang , Ilias Tagkopoulos , Xin Liu

Mental stress has become a pervasive factor affecting cognitive health and overall well-being, necessitating the development of robust, non-invasive diagnostic tools. Electroencephalogram (EEG) signals provide a direct window into neural…

Signal Processing · Electrical Eng. & Systems 2025-06-16 Md Mynoddin , Troyee Dev , Rishita Chakma

Teachers' visual attention and its distribution across the students in classrooms can constitute important implications for student engagement, achievement, and professional teacher training. Despite that, inferring the information about…

Computer Vision and Pattern Recognition · Computer Science 2025-09-26 Efe Bozkir , Christian Kosel , Tina Seidel , Enkelejda Kasneci

We introduce a wearable single-eye emotion recognition device and a real-time approach to recognizing emotions from partial observations of an emotion that is robust to changes in lighting conditions. At the heart of our method is a…

Graphics · Computer Science 2023-10-09 Haiwei Zhang , Jiqing Zhang , Bo Dong , Pieter Peers , Wenwei Wu , Xiaopeng Wei , Felix Heide , Xin Yang

The ability to perceive and recognize objects is fundamental for the interaction with the external environment. Studies that investigate them and their relationship with brain activity changes have been increasing due to the possible…

Signal Processing · Electrical Eng. & Systems 2020-08-31 Jenifer Kalafatovich , Minji Lee , Seong-Whan Lee

Electroencephalography (EEG)-based attention disorder research seeks to understand brain activity patterns associated with attention. Previous studies have mainly focused on identifying brain regions involved in cognitive processes or…

Neurons and Cognition · Quantitative Biology 2024-10-15 Debashis Das Chakladar , Foteini Simistira Liwicki , Rajkumar Saini

The attentional blink (AB) effect is the reduced ability of subjects to report a second target stimuli (T2) among a rapidly presented series of non-target stimuli, when it appears within a time window of about 200-500 ms after a first…

Neurons and Cognition · Quantitative Biology 2017-09-28 Nadav Amir , Israel Nelken , Naftali Tishby

Online remote learning has certain advantages, such as higher flexibility and greater inclusiveness. However, a caveat is the teachers' limited ability to monitor student interaction during an online class, especially while teachers are…

Human-Computer Interaction · Computer Science 2022-10-17 Arnab Sen Sharma , Mohammad Ruhul Amin , Muztaba Fuad

In eye movement research in reading, the amount of data plays a crucial role for the validation of results. A methodological problem for the analysis of the eye movement in reading are blinks, when readers close their eyes. Blinking rate…

Symbolic Computation · Computer Science 2009-11-13 M. S. Baptista , C. Bohn , R. Kliegl , R. Engbert , J. Kurths

In this paper we investigated how statistical properties of the blink rate variability changes during two mental tasks: reading a passage and memory testing. To construct time series of inter-blink intervals (blink rate variability) we…

Neurons and Cognition · Quantitative Biology 2016-03-29 Temesgen Gebrehiwot , Rafal Paprocki , Artem Lenskiy

In this article, we explore computer vision approaches to detect abnormal head pose during e-learning sessions and we introduce a study on the effects of mobile phone usage during these sessions. We utilize behavioral data collected from…

Computer Vision and Pattern Recognition · Computer Science 2024-09-04 Álvaro Becerra , Javier Irigoyen , Roberto Daza , Ruth Cobos , Aythami Morales , Julian Fierrez , Mutlu Cukurova

With the immersive development in the field of augmented and virtual reality, accurate and speedy eye-tracking is required. Facebook Research has organized a challenge, named OpenEDS Semantic Segmentation challenge for per-pixel…

Computer Vision and Pattern Recognition · Computer Science 2019-10-09 Priya Kansal , Sabari Nathan

Deficit of attention, anxiety, sleep disorders are some of the problems which affect many persons. As these issues can evolve into severe conditions, more factors should be taken into consideration. The paper proposes a conception which…

Event-based cameras are becoming a popular solution for efficient, low-power eye tracking. Due to the sparse and asynchronous nature of event data, they require less processing power and offer latencies in the microsecond range. However,…

Computer Vision and Pattern Recognition · Computer Science 2025-11-10 Andrea Aspesi , Andrea Simpsi , Aaron Tognoli , Simone Mentasti , Luca Merigo , Matteo Matteucci