there has been a rapid transformation in the medium of learning and communication due to the pandemic. Multitudes have adopted online video platforms to learn and work from any corner of the world. Emotion detection i...
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ISBN:
(纸本)9798350327458
there has been a rapid transformation in the medium of learning and communication due to the pandemic. Multitudes have adopted online video platforms to learn and work from any corner of the world. Emotion detection is vital for understanding how well instructions are communicated through online interactions and for building cognitive systems that can identify human behavior. Confusion is a key emotion that can impact online learning and can be used to verify whether students using an online platform understand the material being taught. Our research expands on previous work regarding confusion detection, focusing on data fusion techniques. We explore the impact of early fusion (feature-level) vs late fusion (decision-level) on modeling confusion identification during a collaborative block building task. Experimenting with different classifiers, our results show that late fusion performs better with larger time windows. this fusion approach can aid in model interpretability.
Being able to selectively stimulate a particular neuron type while not activating other neuron types is key to many proposed treatments for several neurological diseases such as Parkinson's disease. Such selective...
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ISBN:
(纸本)9781665462921
Being able to selectively stimulate a particular neuron type while not activating other neuron types is key to many proposed treatments for several neurological diseases such as Parkinson's disease. Such selective stimulation has been achieved using optogenetic methods but owing to the hurdles present in the use of optogenetics in humans, there has been recent interest in achieving selectivity using more classical techniques such as current stimulation. Often, approaches for designing selective current stimulations are either model-based, thereby limiting their practical applicability, and/or use trial and error, which allows only a limited exploration of the waveform space. In this work, we propose SelStim, a systematic algorithm for designing electrical current waveforms to selectively stimulate different neuron types using only data. SelStim iteratively designs selective current waveforms by adaptively sampling waveforms with an increasing degree of selectivity. the adaptivity allows SelStim to design selective waveforms in a data-efficient manner. Using data obtained on computational neuron models, we show that SelStim designs current waveforms which achieve a high degree of selectivity in stimulating particular neuron types requiring as few as similar to 200 datapoints. this amounts to a greater than 300% reduction in data requirements compared to a naive brute-force search for achieving similar selectivity.
Sleep apnea is a prevalent and serious sleep disorder caused by breathing interruptions during sleep, which is lead to critical health issues like cardiovascular diseases. Traditional diagnostic methods, such as polys...
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the goal of the study is the investigation of artificial neural networks (ANNs) for the estimation of reference evapotranspiration (ETo) at the meteorological station Niš, Serbia for twelve representative months of a ...
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When a fault occurs in a radial distribution system, the lost load should be transferred to the non-fault branches for service restoration. However, current load transfer methods are difficult to develop the optimal l...
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the application of machine learning (ML) techniques for well-being tasks has grown in popularity due to the abundance of passively-sensed data generated by devices. However, the performance of ML models are often limi...
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ISBN:
(纸本)9798350327458
the application of machine learning (ML) techniques for well-being tasks has grown in popularity due to the abundance of passively-sensed data generated by devices. However, the performance of ML models are often limited by the cost associated with obtaining ground truth labels and the variability of well-being annotations. Self-supervised representations learned from large-scale unlabeled datasets have been shown to accelerate the training process, with subsequent fine-tuning to the specific downstream tasks with a relatively small set of annotations. In this paper, we investigate the potential and effectiveness of self-supervised pre-training for well-being tasks, specifically predicting both workplace daily stress as well as the most impactful stressors. through a series of experiments, we find that self-supervised methods are effective when predicting on unseen users, relative to supervised baselines. Scaling bothdata size and encoder depth, we observe the superior performance obtained by self-supervised methods, further showcasing their utility for well-being applications. In addition, we present future research directions and insights for applying self-supervised representation learning on well-being tasks.
Humans naturally decompose their environment into entities at the appropriate level of abstraction to act in the world. Allowing machine learning algorithms to derive this decomposition in an unsupervised way has beco...
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the proceedings contain 59 papers. the topics discussed include: Fjord Phantom malware process and execution analysis in mobile banking application;Internet of things network handover for hydroponic cultivation;PGV: a...
ISBN:
(纸本)9798350389289
the proceedings contain 59 papers. the topics discussed include: Fjord Phantom malware process and execution analysis in mobile banking application;Internet of things network handover for hydroponic cultivation;PGV: an edge operator based random point localization algorithm for eye tracking system;the impact of online video streaming on customer engagement in social commerce;an automatic video timestamp technique for monitoring moving objects using YOLOv5;task scheduling for energy efficiency in data center: machine learning approach;design of Cebuano-English automatic signal recognition system using Hidden Markov models;study of fuel save controller (FSC) system in renewable energy: a case study Wangi-Wangi, Wakatobi, Indonesia;and solar panel installation analysis: a case study Wangi-Wangi, Wakatobi, Indonesia.
the paper introduces the BioSentinel Neural Network (BSNN), a novel hybrid deep learning model designed to enhance malware detection, particularly focusing on zero-day threats. the BSNN model integrates diverse neural...
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Symbolic regression (SR) is an important technique for discovering hidden mathematical expressions from observed ***-based approaches have been widely used for machine translation due to their high performance, and ar...
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