Abstract
There is provided an excellent biological signal monitor device capable of observing a biological tissue moving according to biological movement or vibration, as if the tissue were stationary. A reverse correction processing unit (114) performs a reverse correction on a B mode image according to the shift amount of the biological tissue detected by a shift amount detection unit (113) and outputs the B mode image corresponding to the biological tissue moving by biological movement as quasi-stationary image information. A calculation processing unit (115) subjects the quasi-stationary image information from the reverse correction processing unit (114) to calculation processes such as averaging and filter processing so as to remove the random noise component. Thus, it is possible to clearly display, for example, a contour of a blood vessel as a biological tissue.
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