METHOD AND SYSTEM FOR CONCENTRATION DETECTION
First Claim
1. A method for concentration detection, the method comprising the steps of:
- extracting temporal features from brain signals;
classifying the extracted temporal features using a classifier to give a score x1;
extracting spectral-spatial features from brain signals;
selecting spectral-spatial features containing discriminative information between concentration and non-concentration states from the set of extracted spectral-spatial features;
classifying the selected spectral-spatial features using a classifier to give a score x2;
combining the scores x1 and x2 to give a single score; and
determining if the subject is in a concentration state based on the single score.
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Abstract
A method and system for concentration detection. The method for concentration detection comprises the steps of extracting temporal features from brain signals; classifying the extracted temporal features using a classifier to give a score x1; extracting spectral-spatial features from brain signals; selecting spectral-spatial features containing discriminative information between concentration and non-concentration states from the set of extracted spectral-spatial features; classifying the selected spectral-spatial features using a classifier to give a score x2; combining the scores x1 and x2 to give a single score and determining if the subject is in a concentration state based on the single score.
32 Citations
21 Claims
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1. A method for concentration detection, the method comprising the steps of:
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extracting temporal features from brain signals; classifying the extracted temporal features using a classifier to give a score x1; extracting spectral-spatial features from brain signals; selecting spectral-spatial features containing discriminative information between concentration and non-concentration states from the set of extracted spectral-spatial features; classifying the selected spectral-spatial features using a classifier to give a score x2; combining the scores x1 and x2 to give a single score; and determining if the subject is in a concentration state based on the single score. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A system for concentration detection, the system comprising:
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a temporal feature extracting unit for extracting temporal features from brain signals; a temporal feature classifying unit for classifying the extracted temporal features using a classifier to give a score x1; a spectral-spatial feature extracting unit for extracting spectral-spatial features from brain signals; a spectral-spatial feature selecting unit for selecting spectral-spatial features containing discriminative information between the concentration and non-concentration states from the set of extracted spectral-spatial features; a spectral-spatial feature classifying unit for classifying the selected spectral-spatial features using a classifier to give a score x2; and a processing unit coupled to said temporal feature classifying unit and said spectral-spatial feature classifying unit for combining the scores x1 and x2 to give a single score and for determining if the subject is in a concentration state based on the single score. - View Dependent Claims (16, 17)
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18. A data storage medium having stored thereon computer code means for instructing a computer system to execute a method for concentration detection, the method comprising the steps of:
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extracting temporal features from brain signals; classifying the extracted temporal features using a classifier to give a score x1; extracting spectral-spatial features from brain signals; selecting spectral-spatial features containing discriminative information between the concentration and non-concentration states from the set of extracted spectral-spatial features; classifying the selected spectral-spatial features using a classifier to give a score x2; combining the scores x1 and x2 to give a single score; and determining if the subject is in a concentration state based on the single score.
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19. A method for concentration detection, the method comprising the steps of:
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extracting features from brain signals; selecting features containing discriminative information between concentration and non-concentration states from the set of extracted features; classifying the selected features using a classifier to give a score; wherein subject dependant training data is used to generate parameters for extracting the features from the brain signals, for selecting the features containing discriminative information between the concentration and non-concentration states from the set of extracted features and for classifying the selected features using a classifier; and determining if the subject is in a concentration state based on the score.
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20. A system for concentration detection, the system comprising:
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a feature extracting unit for extracting features from brain signals; a feature selecting unit for selecting features containing discriminative information between concentration and non-concentration states from the set of extracted features; a feature classifying unit for classifying the selected features using a classifier to give a score; wherein subject dependant training data is used to generate parameters for extracting the features from the brain signals, for selecting the features containing discriminative information between the concentration and non-concentration states from the set of extracted features and for classifying the selected features using a classifier; and a processing unit for determining if the subject is in a concentration state based on the score.
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21. A data storage medium having stored thereon computer code means for instructing a computer system to execute a method for concentration detection, the method comprising the steps of:
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extracting features from brain signals; selecting features containing discriminative information between concentration and non-concentration states from the set of extracted features; classifying the selected features using a classifier to give a score; wherein subject dependant training data is used to generate parameters for extracting the features from the brain signals, for selecting the features containing discriminative information between the concentration and non-concentration states from the set of extracted features and for classifying the selected features using a classifier; and determining if the subject is in a concentration state based on the score.
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Specification