Patent ID: 11881881
Assignee: RICOH COMPANY, LTD.
Field: Medical technology (Instruments)
Classification: CPC H  A | IPC A  H

Claim 4:
5. A biomagnetism measuring apparatus comprising:
a sensor to detect signals and which outputs a mixed signal which has been detected including biomedical signals from a subject and an interference signal:
circuitry configured to:
compare signal separation results obtained by a plurality of signal separation algorithms including two or more algorithms from a group including a dual signal subspace projection (“DSSP”) method, a temporally extended signal space separation (“tSSS”) method, and principal component analysis (PCA)/independent component analysis (ICA) executed on biomagnetism measurement signals measured by a plurality of sensors, each of the plurality of signal separation algorithms being an algorithm removing an interference magnetic field signal from the biomagnetism measurement signals; and
determine a parameter of each of the plurality of signal separation algorithms based on a comparison result,

wherein the circuitry determines the parameter of each of the plurality of signal separation algorithms at which each of the signal separation results is within a predetermined error range as the parameter of each of the plurality of signal separation algorithms.