MULTISPECTRAL IMAGING · Colored images (RGB image coming from the combination of the 8 spectral...
Transcript of MULTISPECTRAL IMAGING · Colored images (RGB image coming from the combination of the 8 spectral...
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MULTISPECTRAL IMAGINGby S I L I O S T EC H N O LO G I ES
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SILIOSAIX EN PROVENCE
About us
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M o n t a g n e S a i n t e - V i c t o i r e
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I n d u s t r i a l Z o n e o f R o u s s e t( d e d i c a t e d t o s e m i c o n d u c t o r i n d u s t r y )
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Spin-off
ION BEAM SERVICES
SILIOS
10 people
Established in 2001
75 people
Photonics
Established in 1987
Semiconductor
600 m² clean room for
micro-technologies
About us
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MULTISPECTRAL (2009)
MULTISPECTRAL IMAGING
MICRO-OPTIC (2001)
SCIENTIFIC & INDUSTRIAL LASERS, ASTRONOMY & SPACE
CMS series
A single Process : Realization of Multilevel Phase Profiles thanks to a cumulative etching process
… Two Product Ranges
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Area : 600 m²Class : 100 down to 10 (FS209)
5 down to 4 (ISO)
Manufacturing Capacities
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COLOR SHADES® TechnologyM u l t i s p e c t r a l F i l t e r s
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Multispectral Filter
Technology
Pixelated Detector
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Geometries adapted to 1D or 2D CMOS
Centimeter to micrometer scale Geometries
Any Geometries
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COLOR SHADES® Multispectral Filters
COLOR SHADES VIS-8
Multispectral Filters Design &Manufacturing
Technology for the VISIBLE & NIRDomain (between 400nm and1000nm).
(Chip size : 9 x 2 mm²)
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COLOR SHADES® Multispectral Filters
COLOR SHADES VIS-8(Chip size : 9 x 2 mm²)
Tmax : 40% to 60%FWHM : 20nm à 40nmMax Spectral Range : 300nm (shiftable)
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50x50 mm²
Color Standard Chipfor Microscopy.
VIS-16 Spectral Response
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Spectrometry & Multispectral ImagingSensors and CMS Cameras
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1D CMOS (Melexis)128 pixels – 66 µm
1D Assembly : 8 Channel Spectrometer
COLOR SHADES® 1D Chip
COLOR SHADES® e-Board
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4 cm
4 quadran sensorSi PIN PD 5980
COLOR SHADES CHIP 4Number of bands : 4Spectral ranges : 550 - 700 nm / 400 – 550 nmBandwidth (FWHM) : 30 nmPeak Transmission (%) : 60%
Sensor for Waste Sorting
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Monochrome standard imagerResolution : N x M
Regular Color Imaging (RGB).
Standard RGB imagerResolution : N x M (after demosaicing)
4 interleaved imagesResolution : N/2 x M/2 9 interleaved images
Resolution : N/3 x M/3 16 interleaved imagesResolution : N/4 x M/4
Multispectral Imaging.
Supply of a set of 4, 9 or16 sub-images filtered @different λ.
SILIOS multispectral approach : filtering at the pixel scale
Multispectral imaging: Custom Bayer Matrix (Pixelated Filter)
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Technology Space Time
Filter Wheel Field of view = Sequential
Sub-images Field of view ≠ Synchronous
Pixelated Filter(custom Bayer Matrix)
Field of view = Synchronous
Multispectral Imaging System Comparison
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FIL
TE
RC
MO
S
Mosaic filter substrate
Mosaic filter pixels
CMOS pixels
Microlenses
Air
Active CMOS pixel areas
CMOS substrate
Advantages : The microlens function is preserved (+50% photons). The filter is placed above the microlens avoiding high incidence angle onto the filter.
Drawback : Geometrical crosstalk (light from a filter N collected by a pixel M)
Solution : SILIOS developed a post-processing method that suppress the crosstalk.
Hybrid assembly of a SILIOS multispectral filter on top of a commercial CMOS sensor
Hybrid Assembly : Multispectral Sensor
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CMS multispectral Sensor(e2V Ruby based)
828nm 790nm 748nm
552nm PAN 713nm
586nm 628nm 663nm
5.3 mm
Macro-pixel
Hybrid Assembly : CMS Series Multispectral Sensor
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400 nm 500 nm 600 nm 700 nm 800 nm 900 nm
Visible Near infra-red
CMS Series (Multispectral Cameras)
1.3 MpxUSB3.0 or GigE
COLOR SHADES Lab (SDK)
+DLL for :
Hypercube extraction Crosstalk correction
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Color Shades Lab
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Measured transmission curves of the filter.
Filter
Multispectral Filter Characterization
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Quantum Efficiency of the multispectral sensor.
Filter
CMOS
Multispectral Sensor Characterization
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Compensated Crosstalk Efficiency of the multispectral sensor.
Application of a post-processing method based on linear combinations of the bands to reduce the crosstalk. For more information, please see Application Note at www.silios.com
Filter
CMOS
+Raw Data Processing
Multispectral Sensor Characterization
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Raw multispectral image
Multispectral Image Management
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Multispectral Image Management
Raw multispectral image
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Multispectral Image Management
Raw multispectral image
Confidential
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l8 l7 l6
l1 l5
l4l2 l3
Panchromatic
Multispectral Image Management
Raw multispectral image
Confidential
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green550nm
red650nm
Infra-red> 750nm
Chlorophyll red-edge
Ch
loro
phyll sign
ature
Spectrum extraction
Multispectral Image Management
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The Chlorophyll-rich objects of this scene are highlighted in Red Color.
Multispectral Image Management
Chemical Image
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430-700nm
CMS-C CMS-V CMS-S
Raw images (contains the 8 spectral channels + 1 additional B&W channel)
CMS Series Image Samples
550-830nm 650-930nm
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Colored images (RGB image coming from the combination of the 8 spectral channels + the B&W channel) Colors close to the reality. False colors. False colors
430-700nm
CMS-C CMS-V CMS-S550-830nm 650-930nm
CMS Series Image Samples
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Applications
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PRECISION FARMINGDrone Field Mapping
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COSMETICSPersonalized Skin care and Make-up
Face mapping Care personalization
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NEW SPACEEarth Observation
Nano-/Micro-Satellites
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MEDICALDermatology / Endoscopy / …
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DEFENSEDecamouflage
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Have you made the proof ofconcept with our off-theshelf CMS cameras for yourapplication ?
Need for a specific range ?Specific band centering ?A specific image resolution ?A specific image sensor ?…
We’ll develop YOUR custommultispectral camera forYOUR specific application !
Your Custom Multispectral Camera
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CMOSe2V/teledyne
RUBY1.3 Mpx
e2V/teledyneONYX
2.0 Mpx
CMOSISCMV40004.0 Mpx
High dynamicsensors
> 120 dB VGA
Ultra fast sensors1.0 Mpx
SWIRsensors
ViiMagic2.0 Mpx
2016 2017 2018 2019
Already worked on a Large Diversity of Sensors
CMS CMS4
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Custom Bayer Matrices approach :
Small footprint sensors. Light sensors. Robust sensors (not sensitive to vibrations).
COLOR SHADES® filters :
Large numerical aperture acceptance. High integrated transmission (higher sensitivity).
Hybrid assembly approach :
Versatile : compatible with almost any sensor and multispectral configuration. Economically viable from low to medium volume production. The hybrid architecture allows preserving the microlens function (higher sensitivity).
Reminder: Main Advantages
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News
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Textile leaf
Natural leavesSILIOS under the spotlight(on French TV)
SILIOS on TV !
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CMS4 Series (Coming Soon! Q1 2019)
4.0 MpxUSB3.0 or GigE
COLOR SHADES Lab (SDK)
+DLL for :
Hypercube extraction Crosstalk correction
400 nm 500 nm 600 nm 700 nm 800 nm 900 nm
Visible Near infra-red
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Thank you for you attention