Method for storing data of photoelectrically synchronous brain activity recording

• US 10,460,833 B2
• Filed: 09/19/2014
• Issued: 10/29/2019
• Est. Priority Date: 09/19/2014
• Status: Active Grant

• Current Assignee: Institute Of Automation Chinese Academy Of Sciences
• Original Assignee: Institute Of Automation Chinese Academy Of Sciences
• Inventors: Jiang, Tianzi, Zuo, Nianming, Zhang, Xin, Zhang, Yujin, Liu, Hao
• Primary Examiner(s): Berhanu, Etsub D
• Application Number:
  US15/512,781
• Publication Number:
  US 20170290524A1
• Time in Patent Office: 1,866 Days
• Field of Search: None
• CPC Class Codes: A61B 5/00 Measuring for diagnostic purposes radiation diagnosis A61B6/00; diagnosis by ultrasonic, sonic or infrasonic waves A61B8/00; Identification of persons
• CPC Class Codes: A61B 5/14553 specially adapted for cerebral tissue
• CPC Class Codes: A61B 5/369 Electroencephalography [EEG] devices for psychotechnics A61B5/16
• CPC Class Codes: G06F 3/0643 Management of files
• CPC Class Codes: G16H 10/00 ICT specially adapted for the handling or processing of patient-related medical or healthcare data for medical reports G16H15/00; for therapies or health-improving plans G16H20/00; for the handling or processing of medical images G16H30/00
• CPC Class Codes: G16H 10/60 for patient-specific data, e.g. for electronic patient records
• CPC Class Codes: G16H 40/63 for local operation

Abstract

A method for storing data of photoelectrically synchronous brain activity recording, said method comprising: generating data when a photoelectrically synchronous brain activity detection system is operating; generating from said data a data storage file comprising a basic information data segment, a near-infrared spectrum data segment and a brain electrical activity data segment, and sequentially storing said data segments into a .neg file in binary form according to the above order. The method can store comprehensive test information, flexibly configure the near-infrared and brain electrical measurement information, and realize synchronous storage of near-infrared data and brain electrical data and maintain file version compatibility.

Claims

1. A method for storing data of photoelectrically synchronous brain activity recordings, characterized in that said method comprises:

generating data when a photoelectrically synchronous brain activity detection system is operating;

generating from said data a data storage file comprising a basic information data segment, a near-infrared spectrum data segment and a brain electrical activity data segment, and storing said data segments into a .neg file in binary form;

wherein the basic information data segment includes mode information, file version number, name and ID number of a tested person, doctor'"'"'s name and workplace, and age and name of a tested person;

the near-infrared spectrum data segment includes;

a near-infrared data basic information field, which includes a sampling frequency of a near-infrared signal, a total number of event stimulations, a near-infrared wavelength, number of channels, number and positions of light sources, number and positions of probes, and number of samples of near-infrared signals;

a near-infrared data channel information field, which includes a valid flag bit of the channel, a light source index, a probe index, an analog magnification of each probe, a digital magnification of each probe and a reference light density;

a near-infrared data measurement data field, which includes a collected near-infrared spectral density; and

a near-infrared data event stimulation field, which includes an event stimulation name, a stimulation type, and a flag position; and

the brain electrical activity data segment includes;

a brain electrical data basic information field, which includes a brain electrical signal sampling frequency, number of channels, a total number of event stimulations, start and stop signs of low-pass filtering of an amplifier, start and stop signs of high-pass filtering of an amplifier, a reference electrode sign and the number of samples of collected brain electrical signals;

a brain electrical data channel information field, which includes a channel valid flag bit, an excitation electrode index, a measurement electrode index, an analog magnification of a measurement electrode, and a digital magnification of the measurement electrode;

a brain electrical data measurement data field, which includes the collected brain electrical signals; and

a brain electrical data event stimulation field, which includes an event stimulation name, a stimulation type, and a flag position.

2. The method according to claim 1, characterized in that said basic information data segment includes a basic data type check bit and a file version number, and can automatically call corresponding interfaces for extracting test data according to different check bits.

3. The method according to claim 1, characterized in that said near-infrared signals and said brain electrical signals are collected synchronously and are stored in a file simultaneously for synchronous storage of data.

4. The method according to claim 1, characterized in that said near-infrared data basic information field records basic information of a near-infrared test sensor, including positions of each light source and the near-infrared test sensor and the number of channels.

5. The method according to claim 1, characterized in that said near-infrared data channel information field includes near-infrared light source and probe index information.

6. The method according to claim 1, characterized in that said near-infrared data measurement data field and said brain electrical data measurement data field dynamically access said near-infrared signals and said brain electrical signals, according to the number of samples in the near-infrared data basic information field and the brain electrical data basic information field.