Device and method for extracting information from remotely detected characteristic signals
US9443304B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Apr 19, 2013 |
| Grant date | Sep 13, 2016 |
| Priority date | — |
| Expiry date | May 1, 2033 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06T2207/30196
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The present invention relates to a device and a method for extracting information from remotely detected characteristic signals. A data stream (24) derivable from electromagnetic radiation (14) emitted or reflected by an object (12) is received. The data stream (24) comprises a sequence of frames (66, 70, 92, 94; 108, 110, 112, 122, 124; 164, 66, 168), at least some of the frames comprise a frame section (68, 72; 174, 180, 186) 5 representative of a region of interest (56) attributable to the object (12). The region of interest (56) exhibits a continuous or discrete characteristic signal (136; 192) including physiological information (200) indicative of at least one at least partially periodic vital signal (20; 208). The sequence of frames (66, 70, 92, 94; 108, 110, 112, 122, 124; 164, 166, 168) further comprises a disturbing signal portion at least partially indicative of undesired object motion. 10 The characteristic signal (136; 192) can be stabilized by deriving a derivative signal form (78, 88, 98, 100, 102; 172, 176) from at least some frames of said sequence of frames (66, 70, 92, 94; 108, 110, 112, 122, 124; 164, 166, 168) through a dimensional reduction. A positional shift…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.