Electroencephalogram signal channel processing method and device, electronic equipment and storage medium

The invention relates to an electroencephalogram signal channel processing method and device, electronic equipment and a storage medium. The method comprises the steps that a target electroencephalogram signal data set corresponding to a target object is acquired; the target electroencephalogram signal data set comprises a plurality of electroencephalogram signal samples of the target object, and each electroencephalogram signal sample comprises a plurality of channels; calculating a target information gain of each channel in the target electroencephalogram signal data set; and on the basis of the target information gain of each channel, determining a channel combination formed by a plurality of channels of which the target information gains are ranked in front as a target channel combination according to a preset mode. According to the method, the target channel combination is determined based on the information gain of each channel of the electroencephalogram signals, effective channels can be quickly and accurately selected from the electroencephalogram signals, and channels which possibly bring noise or invalid information are filtered out, so that the calculation burden of a brain-computer interface system is relieved, the real-time performance of the brain-computer interface system is improved, and the user experience is improved. And the efficiency and the accuracy of analyzing the brain activity by the brain-computer interface system are improved.

The abstract as published by the patent office, from CN118133079A. It describes the invention; it is not a statement of what is protected.

• Decoding

  Neural decoding

What the filing appears to be about, read by published rules from its title, abstract and classification codes (A61B5/369, A61B5/372, G06F17/18, G06F18/214, G06F18/24). The claims define what a patent protects, and they are not read here.

Decoding

This is the step that turns brain activity into a command or a word. Its accuracy and speed are what a user experiences. The problem behind it: accuracy that holds over months without frequent recalibration, for more than one user and one task.

Why the layer matters to the field, not a judgement of this filing. A patent family shows that protection was sought. It does not show that the technology was built, is used in a product, or works in people. The whole stack

One invention, published 2 times in 1 office. Each publication opens in Espacenet.

• ChinaCN118133079A4 Jun 2024CN118133079B9 May 2025 · grant

1. 7 Feb 2024First filingEarliest priority, at China. The family is counted in this year.
2. 4 Jun 2024First publicationCN118133079A, China.
3. 9 May 2025Grant publishedCN118133079B, China.

Dates as the offices published them. Office records are in the offices' own words and are a selection: refusals, lapses and withdrawals, and records that name an owner. Each concerns one member of the family, not the family as a whole, and another member in the same office may stand. Whether a patent is in force today is not assessed.

Organisation

NeuroXess · 65 families identified

Technology

EEG

• Bibliographic data, family members and office records: European Patent Office, Open Patent Services (the DOCDB and INPADOC databases), read 7 Oct 2026.
• The record itself, with its claims and description: CN118133079A in Espacenet
• Counted as a BCI patent family: title or abstract names the field; classified A61B5/369 (electroencephalography); filed by 上海脑虎科技有限公司, an organisation already in the graph. How families are found and judged