Laser speckle contrast imaging system, laser speckle contrast imaging method, and apparatus including the laser speckle contrast imaging system
US10265023B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Jun 16, 2016 |
| Grant date | Apr 23, 2019 |
| Priority date | — |
| Expiry date | Apr 29, 2037 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06V40/14
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Provided are a laser speckle contrast imaging method, a laser speckle contrast imaging system, and an apparatus which includes the laser speckle contrast imaging system. The laser speckle contrast imaging system includes a laser light source configured to irradiate laser beams toward a subject, the laser beams having a plurality of wavelength bands and different surface transmittances with respect to the subject. An imaging unit is configured to acquire speckle images by capturing images of speckles by using an image sensor, the speckles being formed when the irradiated laser beams are scattered from the subject. A signal processor is configured to convert the acquired speckle images into speckle contrast images and to acquire a compensated speckle contrast image by compensating for a change caused by a movement of the subject.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.