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Thanks for highlighting these sessions Henrique Santana. If anything I think these practices are becoming even more important in the age of AI. If…
Thanks for highlighting these sessions Henrique Santana. If anything I think these practices are becoming even more important in the age of AI. If…
Shared by Matt Meckes
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Still running Lambda functions on deprecated runtimes? Upgrading hundreds (or thousands) of Lambda functions from deprecated runtimes like Python…
Still running Lambda functions on deprecated runtimes? Upgrading hundreds (or thousands) of Lambda functions from deprecated runtimes like Python…
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I have developed an Envoy gateway/ingress controller for ECS using Claude Code, which can be found at https://lnkd.in/gyPisU-r. This controller…
I have developed an Envoy gateway/ingress controller for ECS using Claude Code, which can be found at https://lnkd.in/gyPisU-r. This controller…
Liked by Matt Meckes
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Cluster separation index suggests usefulness of non-motor EEG channels in detecting wrist movement direction intention
IEEE Conference on Cybernetics and Intelligent Systems
See publicationThe aim of the study was to select the best electroencephalogram features and channel locations for detection of wrist movement intentions. The detected intentions can be used in brain-computer interfaces (BCIs) either for direct control of an artificial or virtual hand, or they can be used as an underlying binary code for execution of other tasks, 28 channel EEG was recorded while a subject performed wrist movements in four directions. Four basic feature types were extracted in the time and…
The aim of the study was to select the best electroencephalogram features and channel locations for detection of wrist movement intentions. The detected intentions can be used in brain-computer interfaces (BCIs) either for direct control of an artificial or virtual hand, or they can be used as an underlying binary code for execution of other tasks, 28 channel EEG was recorded while a subject performed wrist movements in four directions. Four basic feature types were extracted in the time and frequency domains for each channel following optimized filtering of the signals. The signals were split into planning and execution segments, respectively. Various delays and anticipation lengths were taken into account for each of the features, thus totaling 93 different features. The potential performance of each feature and channel for use in the classification of the EEG signals was analyzed by estimating the relative class overlap using the Davies-Bouldin index (DBI), a widely used measure for estimating cluster separation. The best feature/channel configurations contained both channels that were close and channels that were far from motor areas. A statistical test using the channel/feature configurations that yielded the lowest 5% DBI values for motor and for non-motor channels yielded no significant difference (alpha = 0.05) between these two channel populations. The scope and depth of the study was limited. Plus, important parts of the signal had to be discarded to rule out interference stemming from saccadic eye movement. However, our results do suggest more attention should be paid to non-motor areas in ear linked EEG data even when investigating movement related BCIs
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1st order class separability using EEG-based features for classification of wrist movements with direction selectivity
Engineering in Medicine and Biology Society
See publication28 channel EEG data were recorded while a subject performed wrist movements in four directions. Four feature types were extracted for each channel following optimized filtering of the signals. The potential performance of each feature and channel for use in the classification of the EEG signals was analyzed by estimating the relative class overlap using a first order histogram approach. The best feature/channel configurations contained channels both that were close and far from motor areas…
28 channel EEG data were recorded while a subject performed wrist movements in four directions. Four feature types were extracted for each channel following optimized filtering of the signals. The potential performance of each feature and channel for use in the classification of the EEG signals was analyzed by estimating the relative class overlap using a first order histogram approach. The best feature/channel configurations contained channels both that were close and far from motor areas. While the scope and depth of the study was very limited, the results do suggest more attention should be paid to non-motor areas when investigating movement related EEG.
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🚀 🚀 Excited to announce that Lambda now provides Availability Zone (AZ) metadata! Lambda functions can now determine which AZ they're running in…
🚀 🚀 Excited to announce that Lambda now provides Availability Zone (AZ) metadata! Lambda functions can now determine which AZ they're running in…
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