Device and method for extracting information from characteristic signals

A.J. Leest, van (Inventor), G. Haan, de (Inventor), W. Verkruijsse (Inventor)

Research output: PatentPatent publication

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Abstract

The present invention relates to a device and a method for extracting information from detected characteristic signals. A data stream (76, 78, 80, 82) derivable from electromagnetic radiation (14) emitted or reflected by an object (11) is received and a plurality of characteristic index elements (50) varying over time can be extracted therefrom. The index elements (50) comprise physiological information (48) indicative of at least one at least partially periodic vital signal (12), and a disturbing signal component (58). For eliminating the disturbing signal component (58) to a great extent, the characteristic index elements (50) can be projected to a disturbance-reduced index element (64) having a distinct orientation in relation to a presumed orientation of the disturbing signal component (58). The disturbance-reduced index element (64) is chosen so as to reflect a dominant main orientation and length of the disturbing signal component (58) over time. Consequently, the mainly genuine physiological information (48) extracted from the data stream (76, 78, 80, 82) in this way can be utilized for determining the at least one at least partially periodic vital signal (12).
Original languageEnglish
Patent numberUS2013271591
Priority date5/01/11
Publication statusPublished - 17 Oct 2013

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disturbance
electromagnetic radiation
method
index

Bibliographical note

Other priority number(s):
WO2012IB50033 20120104 Date: 5-1-2011
Also published as:
EP2661219 (A1)
WO2012093358 (A1)

Cite this

Leest, van, A. J., Haan, de, G., & Verkruijsse, W. (2013). Device and method for extracting information from characteristic signals. (Patent No. US2013271591).
Leest, van, A.J. (Inventor) ; Haan, de, G. (Inventor) ; Verkruijsse, W. (Inventor). / Device and method for extracting information from characteristic signals. Patent No.: US2013271591.
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Leest, van, AJ, Haan, de, G & Verkruijsse, W 2013, Device and method for extracting information from characteristic signals, Patent No. US2013271591.

Device and method for extracting information from characteristic signals. / Leest, van, A.J. (Inventor); Haan, de, G. (Inventor); Verkruijsse, W. (Inventor).

Patent No.: US2013271591.

Research output: PatentPatent publication

TY - PAT

T1 - Device and method for extracting information from characteristic signals

AU - Leest, van, A.J.

AU - Haan, de, G.

AU - Verkruijsse, W.

N1 - Other priority number(s): WO2012IB50033 20120104 Date: 5-1-2011 Also published as: EP2661219 (A1) WO2012093358 (A1)

PY - 2013/10/17

Y1 - 2013/10/17

N2 - The present invention relates to a device and a method for extracting information from detected characteristic signals. A data stream (76, 78, 80, 82) derivable from electromagnetic radiation (14) emitted or reflected by an object (11) is received and a plurality of characteristic index elements (50) varying over time can be extracted therefrom. The index elements (50) comprise physiological information (48) indicative of at least one at least partially periodic vital signal (12), and a disturbing signal component (58). For eliminating the disturbing signal component (58) to a great extent, the characteristic index elements (50) can be projected to a disturbance-reduced index element (64) having a distinct orientation in relation to a presumed orientation of the disturbing signal component (58). The disturbance-reduced index element (64) is chosen so as to reflect a dominant main orientation and length of the disturbing signal component (58) over time. Consequently, the mainly genuine physiological information (48) extracted from the data stream (76, 78, 80, 82) in this way can be utilized for determining the at least one at least partially periodic vital signal (12).

AB - The present invention relates to a device and a method for extracting information from detected characteristic signals. A data stream (76, 78, 80, 82) derivable from electromagnetic radiation (14) emitted or reflected by an object (11) is received and a plurality of characteristic index elements (50) varying over time can be extracted therefrom. The index elements (50) comprise physiological information (48) indicative of at least one at least partially periodic vital signal (12), and a disturbing signal component (58). For eliminating the disturbing signal component (58) to a great extent, the characteristic index elements (50) can be projected to a disturbance-reduced index element (64) having a distinct orientation in relation to a presumed orientation of the disturbing signal component (58). The disturbance-reduced index element (64) is chosen so as to reflect a dominant main orientation and length of the disturbing signal component (58) over time. Consequently, the mainly genuine physiological information (48) extracted from the data stream (76, 78, 80, 82) in this way can be utilized for determining the at least one at least partially periodic vital signal (12).

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Leest, van AJ, Haan, de G, Verkruijsse W, inventors. Device and method for extracting information from characteristic signals. US2013271591. 2013 Oct 17.