Deep learning vision classifying method based on electroencephalogram data

A technology of deep learning and classification methods, applied in medical science, diagnosis, diagnostic recording/measurement, etc., can solve problems such as difficult visual classification tasks

Inactive Publication Date: 2017-05-24
SHENZHEN WEITESHI TECH
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AI Technical Summary

Problems solved by technology

[0004] Aiming at the problem that the cognitive-based automation method is difficult to perform visual classification tasks, the purpose of the present invention is to provide a deep learning visual classification method based on EEG data. First, it uses the combination of EEG data induced by visual object stimuli Recurrent ne...

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  • Deep learning vision classifying method based on electroencephalogram data
  • Deep learning vision classifying method based on electroencephalogram data
  • Deep learning vision classifying method based on electroencephalogram data

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Embodiment Construction

[0026] It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present invention will be further described in detail below in conjunction with the drawings and specific embodiments.

[0027] figure 1 It is a system flowchart of a deep learning visual classification method based on EEG data in the present invention. It mainly includes EEG data acquisition; EEG learning; EEG feature extraction; automatic classification.

[0028] Wherein, the described EEG data acquisition allows the subjects to watch the brain activity of 40 object classes in the ImageNet database, these 40 object classes include dogs, cats, owls, seals, etc.; The EEG is used to record the brain signals generated when the subjects watch the pictures and receive visual stimulation. After removing the three channels that do not convey any useful information, a multi-channel (29-channel) temporal EEG se...

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Abstract

The invention provides a deep learning vision classifying method based on electroencephalogram data. The deep learning vision classifying method based on electroencephalogram data mainly comprises electroencephalogram data acquisition, electroencephalogram learning, electroencephalogram feature extracting and automatic classifying. The process of the method comprises the following steps: learning a brain activity vision classifying manifold with recognition capability by electroencephalogram data induced by a visual object stimulating factor and a recurrent neural network; then training a regressor based on a convolutional neural network; mapping an image to a learned manifold; and finally, carrying out automated vision classifying task through a computer by features based on human brain to obtain an image classifying result. Compared with a convolutional neural network method, the deep learning vision classifying method based on electroencephalogram data has the advantages that the classifying ability and the generalization ability are competitive; an image sign based on brain in a novel mode is used, and significative insight which is associated with a human vision perceptual system is provided; and images can be effectively projected to a new manifold based on biology, so that the development mode of an object classifier can be changed fundamentally.

Description

technical field [0001] The invention relates to the fields of computer vision, machine learning and cognitive neuroscience, in particular to a deep learning visual classification method based on EEG data. Background technique [0002] With the rapid development of science and technology in the information age, the requirements for computer visual processing capabilities are getting higher and higher. Humans have shown excellent performance in interpreting visual scenes, which is still beyond the reach of machines. Although recently rediscovered convolutional neural networks have led to significant improvements in the performance of automatic visual classification, their generalization capabilities are not at human levels because they learn a discriminative feature space that is strictly dependent on the training techniques employed. dataset rather than a more general one, reflecting the difficulty of cognitive-based automated approaches to perform visual classification tasks...

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Application Information

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IPC IPC(8): A61B5/00A61B5/0484
CPCA61B5/7264A61B5/7267A61B2503/40A61B5/378
Inventor 夏春秋
Owner SHENZHEN WEITESHI TECH
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