Non-scanning Hyperspectral Imaging and Spectral Video Technique for Object Documentation

Transcription

1 Non-scanning Hyperspectral Imaging and Spectral Video Technique for Object Documentation András Jung, René Michels & Rainer Graser Founders of Cubert GmbH and Developers of the Hyperspectral Frame Camera

2 Background Research fields of ILM at the Ulm University Material and tissue optics Device development: Hyperspectral Frame Camera Surface analyses and modification Microscopy Biology Laser Therapy Center Applications Development

3 Milestones of the Hyperspectral Camera Development at ILM : Development of technical basics Quartal: Prototyping of first devices Quartal: Successful testing for functionality Quartal: Projecting of future developments Quartal: Application for grants Quartal: Successfully accepted by Junge Innovatoren Quartal: Establishment of spin-off Cubert GmbH Quartal: Application development for science and industry Quartal: 0-Serie of UHD Quartal: UAV test projects

4 Hyperspectral Image Color Photography Spectral Scanning Spectral Frame Camera - 3 channels - full image - image aquisation:ms - 100< channels - line by line - image aquisation: >ms -100< channels - full image - image aquisation:ms

5 Expectations High Portability & Mobility (hand-held, UAV) Low weight (< 1 kg) Hyperspectral ( > 100 bands) Spectral resolution (< 5 nm) Very short acquisition time ( < 1-2 ms) Real-time measurements (1time=1cube) Video frequency (15-20 Hz)

6 Spectral Range Range nm nm nm nm Technology suitable suitable suitable suitable Mission long term ready long term long term Barrier resource no resource resource Spatial Resolution Range µm mm cm mm Technology suitable suitable suitable suitable Optics yes yes yes yes FOV Resolution Range Microscopy Normal Wide angle Fisheye Technology suitable suitable suitable suitable Objective yes yes yes yes

7 Temporal Resolution Range µs ms s min Technology suitable suitable suitable suitable Real-time yes video* yes yes *max. 25 images pro Second Scene with spectra Segmentation of natural scenes Scene analyses Spectral feature mapping

8 534 nm Laser Test Wavelength calibration Spatial-spectral calibration Responsibility calibration

9 Similar but Different Color testing Color comparison Color quality change

10 Spectral Object Mapping 3D Spectral Object Mapping All pixels and spectral synoptical Hyperspectral Stereoscopy Spectral Colorimetry

11 Camera in-situ In-situ measurement Low energy consumption Mobile and solid

12 Hand-held Field Position

13 Present Level of Development Wavelength range: 450nm - 950nm, 137 channels Spectral resolution: 8 532nm, sampling interval 4nm Spatial resolution: 1 Megapixel Hyperspectral ROI: 50 x 50 pixel Uncooled Si-CCD, digitization: 14 Bit Mount: C-mount objective Power consumption <15 watt (8 AAA Batteries for 3 h) Housing: IP 65 certified, dust and water proof CE certified Weight: 3 Kg Standard focal distance: 12mm, 16mm, 25mm or 50mm Angle of view: 27, 21,13 or 7 degree User interface, programming interface Source code of sample application (Matlab) Data aquisition unit and batterie for autonomus operation

14 Next Level of Development (2013 1Q) Wavelength range: 450nm - 950nm, 137 channels Spectral resolution: 8 532nm, sampling interval 4nm Spatial resolution: 1 Megapixel Hyperspectral ROI:50x 50 pixel Uncooled Si-CCD, Digitization: 12 Bit Mount: C-mount objective Power consumption <15 watt Operational only in dry envirement Not CE Certified Weight: 520 g Standard focal distance: 12mm, 16mm, 25mm or 50mm Angle of view: 27, 21,13 or 7 degree User interface, programming interface Source code of sample application (Matlab) Lightweight data acquisition system 1.65 Ghz Dual Core, 60 Gb SSD, Windows OS SD Card, Wlan 19V ~25Watt, 230 g

15 The Video Feature I Feel free to contact me for the video feature: info@andrasjung.de

16 The Video Feature II Feel free to contact me for the video feature:

17 Results of The Last Days Netto weight: 470, 39 gr UHD 185 Netto weight:1006, 26 gr

18 Thank you for your attention!