The aim of this study was to implement a vision system on board of a Nvidia Jetson Nano along with a camera, and to implement the Jetracer platform control. To introduce the theoretical background, literature related ...
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ISBN:
(数字)9781665468589
ISBN:
(纸本)9781665468596;9781665468589
The aim of this study was to implement a vision system on board of a Nvidia Jetson Nano along with a camera, and to implement the Jetracer platform control. To introduce the theoretical background, literature related to image processing, active cruise control, and autonomous vehicles was reviewed. The image processing and vehicle control methods used in this paper are then described. The remainder of the paper focuses on presenting an implementation of the described algorithms. This implementation was used to conduct tests, which show that the image processing methods investigated were sufficient to control the platform. Factors affecting the quality of control have also been described, these include vehicle speed and steering control gains. Comparative time dependencies of speed and steering level were plotted for selected trials, allowing the system delays to be noted.
Cognitive load is the quantity of mental activity imposed on a user's working memory while performing any cognitive task. As the performance of a human depends on the imposed mental workload, estimating cognitive ...
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ISBN:
(纸本)9783031581809;9783031581816
Cognitive load is the quantity of mental activity imposed on a user's working memory while performing any cognitive task. As the performance of a human depends on the imposed mental workload, estimating cognitive load is critical for maintaining human efficiency through cognitive monitoring. Recently, cognitive load estimation utilizing the brain signals recorded by Electroencephalogram (EEG) has gained popularity. Traditional EEG signal-based cognitive load detection methods generally focus on extracting temporal and frequency-based features from individual EEG electrodes, thus neglecting dynamic functional relationships between the brain regions. This study proposes a cognitive load estimation framework utilizing the sparse representation of the brain network data. From the multichannel EEG data, brain networks are obtained using functional connectivity measures, and the sparse codes of the same are computed using the Orthogonal Matching Pursuit algorithm. Then a sparse representation-based classifier is developed that utilizes the sparse codes. The proposed framework is implemented on a 3-class cognitive load dataset recorded at IIT Kharagpur, and the model's efficacy is measured through sparse reconstruction error and classification performances.
This study explores the integration of HL7 Fast Healthcare Interoperability Resources (FHIR) into a Clinical Decision Support System (CDSS) utilizing a Pepper robot to enhance doctor visits in a hospital setting. We e...
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As automation technology continues to advance in the global oil industry, intelligence is becoming a crucial trend. The focus of future research and development will be on reducing labor, minimizing operational risks,...
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Locating the user's gaze in the scene, also known as Point of Regard (PoR) estimation, following gaze regression is important for many downstream tasks. Current techniques either require the user to wear and calib...
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ISBN:
(纸本)9781665405409
Locating the user's gaze in the scene, also known as Point of Regard (PoR) estimation, following gaze regression is important for many downstream tasks. Current techniques either require the user to wear and calibrate instruments, require significant pre-processing of the scene information, or place restrictions on user's head movements. We propose a geometrically inspired algorithm that, despite its simplicity, provides high accuracy and O(J) performance under a variety of challenging situations including sparse depth maps, high noise, and high dynamic parallax between the user and the scene camera. We demonstrate the utility of the proposed algorithm in regressing the PoR from scenes captured in the Intensive Care Unit (ICU) at Chelsea & Westminster Hospital NHS Foundation Trust (a).
The ability of bipedal robots to adapt to diverse and unstructured terrain conditions is crucial for their deployment in real-world environments. To this end, we present a novel, bio-inspired robot foot design with st...
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ISBN:
(纸本)9781713872344
The ability of bipedal robots to adapt to diverse and unstructured terrain conditions is crucial for their deployment in real-world environments. To this end, we present a novel, bio-inspired robot foot design with stabilizing tarsal segments and a multifarious sensor suite involving acoustic, capacitive, tactile, temperature, and acceleration sensors. A real-time signalprocessing and terrain classification system is developed and evaluated. The sensed terrain information is used to control actuated segments of the foot, leading to improved ground contact and stability. The proposed framework highlights the potential of the sensor-integrated adaptive foot for intelligent and adaptive locomotion.
At present, there is a lack of targeted methods for service robots in drug identification and pick-and-place. The traditional visual-based drug identification method often has low recognition accuracy when performing ...
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Finger gesture recognition using surface electromyography (sEMG) became an efficient Human-robot Interaction (HRI) solution. Although Machine Learning (ML) techniques are widely applied in this field, the general solu...
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ISBN:
(纸本)9781665486415
Finger gesture recognition using surface electromyography (sEMG) became an efficient Human-robot Interaction (HRI) solution. Although Machine Learning (ML) techniques are widely applied in this field, the general solutions for labeling and collecting big datasets impose time-consuming implementation and heavy workloads. In this paper, a new deep learning structure, namely three-dimensional convolutional long short-term memory neural networks (3D-CLDNN) for finger gesture identification based on depth vision and sEMG signals, was proposed for human-machine interaction. It automatically labels the depth data by the self-organizing map (SOM) and predicts the hand gesture only adopting sEMG signals. The 3D-CLDNN method is integrated to improve the recognition rate and computational speed. The results showed the highest clustering accuracy (98.60%) and highest accuracy (84.40%) with the lowest computational time compared with different approaches. Finally, real-time human-machine interaction experiments are performed to demonstrate its efficiency.
vision-based tactile sensors (VBTS) leverages visual modality to present high-resolution tactile information. The vision-based sensing mechanism has good adaptability to robot manipulation because of available informa...
Keyword spotting (KWS) is a core human-machine-interaction front-end task for most modern intelligent assistants. Recently, a unified (UniKW-AT) framework has been proposed that adds additional capabilities in the for...
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