Providing Image Units for Vital Sign Monitoring
AssigneeTeknologian tutkimuskeskus VTT Oy
InventorsTero Kiuru, Mikko Metso, Mervi Hirvonen, Tauno Vähä-Heikkilä
Life of this patent
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Abstract
According to an example aspect of the present invention, there is provided image units for vital sign monitoring by a multichannel radar scanning a field-of-view and a microwave imaging radiometer sounding the field-of-view. Presence of moving targets within the field-of-view of the radar is determined on the basis of phase and/or amplitude changes of the image units between scans. Thermal information or information determined based on the thermal information obtained by the sounding is combined with the image units of the moving targets. In this way vital signs may be monitored based on movement and thermal information of the image units.
Claims14
A method of providing image units for vital sign monitoring, comprising:
- scanning, by a multichannel radar or at least one processing unit connected to the radar, a field of view within a frequency range from 1 to 1000 GHz, for example between 1 to 30 GHz, 10 to 30 GHz, or 30 to 300 GHz, using a plurality of radar channels of the radar;
- generating, by the radar or the processing unit connected to the radar, image units for a radar image on the basis of results of the scanning, wherein the image units comprise at least amplitude and phase information;
- determining, by the radar or the processing unit connected to the radar, a presence of moving targets within the field of view of the radar on the basis of phase and/or amplitude changes of the image units between scans;
- sounding the field of view by a microwave imaging radiometer for obtaining a thermal information associated with the field of view;
- and
- combining the thermal information or information determined based on the thermal information with the image units of the moving targets, wherein movement information is used to adaptively process the thermal information.
An arrangement comprising:
- multichannel radar, and
- microwave imaging radiometer, wherein arrangement is configured to cause:
- scanning, by the multichannel radar or at least one processing unit connected to the radar, a field of view within a frequency range from 1 to 1000 GHz, for example between 1 to 30 GHz, 10 to 30 GHz, or 30 to 300 GHz or 300 to 1000 GHz, using a plurality of radar channels of the radar;
- generating, by the radar or the processing unit connected to the radar, image units for a radar image on the basis of results of the scanning, wherein the image units comprise at least amplitude and phase information;
- determining, by the radar or the processing unit connected to the radar, a presence of moving targets within the field of view of the radar on the basis of phase and/or amplitude changes of the image units between scans;
- sounding the field of view by the microwave imaging radiometer for obtaining a thermal information associated with the field of view;
- and
- combining the thermal information obtained by the microwave imaging radiometer with the image units of the moving targets, wherein movement information is used to adaptively process the thermal information.
A non-transitory computer readable medium having stored thereon a set of computer readable instructions that, when executed by at least one processor, cause an arrangement to at least:
- scanning, by a multichannel radar or at least one processing unit connected to the radar, a field of view within a frequency range from 10 to 30 GHz, or 30 to 300 GHz or 300 to 1000 GHz, using a plurality of radar channels of the radar;
- generating, by the radar or the processing unit connected to the radar, image units for a radar image on the basis of results of the scanning, wherein the image units comprise at least amplitude and phase information;
- determining, by the radar or the processing unit connected to the radar, a presence of moving targets within the field of view of the radar on the basis of phase and/or amplitude changes of the image units between scans;
- sounding the field of view by a microwave imaging radiometer for obtaining a thermal information associated with the field of view;
- and
- combining the thermal information obtained by the microwave imaging radiometer with the image units of the moving targets, wherein movement information is used to adaptively process the thermal information.
(canceled)
Dependencies are inferred from the claim text.