Publications by authors named "Yutaka Watanobe"

Article Synopsis
  • Sentiment analysis helps gauge public opinions and trends but faces challenges like linguistic diversity and data scarcity.
  • The TRABSA model combines advanced techniques like transformers and BiLSTM to improve sentiment classification by effectively understanding complex language from a large tweet dataset.
  • This research enhances accuracy by augmenting data diversity and experimenting with various word-embedding methods, ultimately refining sentiment labeling approaches for better model performance.
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Article Synopsis
  • Human Activity Recognition (HAR) and Ambient Assisted Living (AAL) are important for smart homes, sports, and surveillance.
  • Researchers are using lightweight wearable sensors instead of cameras to protect the privacy of older people while tracking daily activities.
  • The study uses advanced techniques to analyze data from these sensors and successfully identified activities with over 98% accuracy using deep learning models.
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An optimized robot path-planning algorithm is required for various aspects of robot movements in applications. The efficacy of the robot path-planning model is vulnerable to the number of search nodes, path cost, and time complexity. The conventional A-star (A*) algorithm outperforms other grid-based algorithms because of its heuristic approach.

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Lung cancer is the primary reason of cancer deaths worldwide, and the percentage of death rate is increasing step by step. There are chances of recovering from lung cancer by detecting it early. In any case, because the number of radiologists is limited and they have been working overtime, the increase in image data makes it hard for them to evaluate the images accurately.

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Neurological disorders (NDs) are becoming more common, posing a concern to pregnant women, parents, healthy infants, and children. Neurological disorders arise in a wide variety of forms, each with its own set of origins, complications, and results. In recent years, the intricacy of brain functionalities has received a better understanding due to neuroimaging modalities, such as magnetic resonance imaging (MRI), magnetoencephalography (MEG), and positron emission tomography (PET), etc.

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Inter-robot communication and high computational power are challenging issues for deploying indoor mobile robot applications with sensor data processing. Thus, this paper presents an efficient cloud-based multirobot framework with inter-robot communication and high computational power to deploy autonomous mobile robots for indoor applications. Deployment of usable indoor service robots requires uninterrupted movement and enhanced robot vision with a robust classification of objects and obstacles using vision sensor data in the indoor environment.

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Brain-Computer Interface (BCI) is an advanced and multidisciplinary active research domain based on neuroscience, signal processing, biomedical sensors, hardware, etc. Since the last decades, several groundbreaking research has been conducted in this domain. Still, no comprehensive review that covers the BCI domain completely has been conducted yet.

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