Download presentation
Presentation is loading. Please wait.
Published byKailyn Gains Modified over 10 years ago
1
© 2014 Airbus Defence and Space – All rights reserved. The reproduction, distribution and utilization of this document as well as the communication of its contents to others without express authorization is prohibited. Offenders will be held liable for the payment of damages. All rights reserved in the event of the grant of a patent, utility model or design. The evolution in the Earth Observation satellite data and their services Patricia Dankha September 2014 – Thessaloniki, Greece
2
© 2014 Airbus Defence and Space – All rights reserved. The reproduction, distribution and utilization of this document as well as the communication of its contents to others without express authorization is prohibited. Offenders will be held liable for the payment of damages. All rights reserved in the event of the grant of a patent, utility model or design. Date - 2 20112012 2014 Pléiades 1A 50cm Pléiades 1B 50cm SPOT 6 1.5m SPOT 7 1.5m A continuity of service guaranteed until 2024
3
© 2014 Airbus Defence and Space – All rights reserved. The reproduction, distribution and utilization of this document as well as the communication of its contents to others without express authorization is prohibited. Offenders will be held liable for the payment of damages. All rights reserved in the event of the grant of a patent, utility model or design. Date - 3 Sensors Products One camera 1 panchromatic 4 multispectral 12 bits Depth per pixel, during acquisition PAN Colour Simultaneous acquisition 50 cm Panchromatic Pan-sharpened 2 m Multispectral Ortho Standard level Fully automated processing, including one pass mosaic Per sq km Pricing model Pleiades Brief info Pleiades 1A launched 17/12/2011 Pleiades 1B launched 02/12/2012
4
© 2014 Airbus Defence and Space – All rights reserved. The reproduction, distribution and utilization of this document as well as the communication of its contents to others without express authorization is prohibited. Offenders will be held liable for the payment of damages. All rights reserved in the event of the grant of a patent, utility model or design. Pléiades’ 400 sq.km A large footprint for its resolution, 20 km In the spirit of SPOT family, meant for wide coverage Date - 4 Maximised information on target and surroundings Optimised production Easier data handling Maximised information on target and surroundings Optimised production Easier data handling 20 km WorldView 1 QuickBird WorldView 2 Ikonos GeoEye 1 Pleiades A broad swath
5
© 2014 Airbus Defence and Space – All rights reserved. The reproduction, distribution and utilization of this document as well as the communication of its contents to others without express authorization is prohibited. Offenders will be held liable for the payment of damages. All rights reserved in the event of the grant of a patent, utility model or design. 5 Pleiades Constellation behaving as one satellite with daily revisit capability Why?Benefits Compounded of two twin satellites featuring exactly the same acquisition options No matter whether Pléiades 1A or 1B is passing over your AOI, you are certain to get access to colour, panchromatic, stereo or tristereo products Operated on the same orbit, phased 180°, ensuring a daily revisit capacity Pléiades 1A & 1B share a common and single tasking plan, natively optimized between the twins 3 tasking plans per day Everywhere on Earth, this configuration delivers: - fast access to your target when time is critical, with an acquisition opportunity in less than 24h - Daily monitoring, to regularly track changes - Rapid coverage of large areas, with twice the opportunity for a cloud-free image A single ground segment enabling seamlessly Pléiades 1A and 1B catalogue browsing, ordering, processing and delivery Selecting and ordering archive is easy and simple
6
© 2014 Airbus Defence and Space – All rights reserved. The reproduction, distribution and utilization of this document as well as the communication of its contents to others without express authorization is prohibited. Offenders will be held liable for the payment of damages. All rights reserved in the event of the grant of a patent, utility model or design. Date - 6 Increase acquisition opportunities, and probability of success: Shortened average acquisition window Twice as many images collected as satellites without CMGs (Control Movement Gyros) during the same orbit slot 600 images per day, nominal acquisition capacity (per sat) 1M sq.km daily max capacity per satellite Pleiades State of the art agility
7
© 2014 Airbus Defence and Space – All rights reserved. The reproduction, distribution and utilization of this document as well as the communication of its contents to others without express authorization is prohibited. Offenders will be held liable for the payment of damages. All rights reserved in the event of the grant of a patent, utility model or design. Date - 7 23:00 UT Kerguelen Kiruna Toulouse 6:00 UT 13:40 UT Up to two hours before satellite enters new tasking area: Take into account last-minute customer requests Fine-tune tasking plan according to the most recent weather forecast for increased success rate Up to two hours before satellite enters new tasking area: Take into account last-minute customer requests Fine-tune tasking plan according to the most recent weather forecast for increased success rate Pleiades 3 tasking plans per day
8
© 2014 Airbus Defence and Space – All rights reserved. The reproduction, distribution and utilization of this document as well as the communication of its contents to others without express authorization is prohibited. Offenders will be held liable for the payment of damages. All rights reserved in the event of the grant of a patent, utility model or design. Assess & detect moving targets, incl. small elements Up to 25 images Assess & detect moving targets, incl. small elements Up to 25 images In a single pass, up to 6,000 km² pairs 2,000 km² triplets In a single pass, up to 6,000 km² pairs 2,000 km² triplets Pleiades High end portfolio of collection scenarii
9
© 2014 Airbus Defence and Space – All rights reserved. The reproduction, distribution and utilization of this document as well as the communication of its contents to others without express authorization is prohibited. Offenders will be held liable for the payment of damages. All rights reserved in the event of the grant of a patent, utility model or design. Date - 9 Typically 20 targets over 1,000 km within a +/-30° corridor Typically 20 targets over 1,000 km within a +/-30° corridor Up to 100 x 150 (5 strips) or 120 x 110 km (6 strips at 30°), automatically orthorectified and mosaicked Up to 100 x 150 (5 strips) or 120 x 110 km (6 strips at 30°), automatically orthorectified and mosaicked For accurate 3D modelling For accurate 3D modelling To follow linear targets such as coasts, borders, roads, pipelines, rivers To follow linear targets such as coasts, borders, roads, pipelines, rivers Pleiades Single pass collection scenarii
10
© 2014 Airbus Defence and Space – All rights reserved. The reproduction, distribution and utilization of this document as well as the communication of its contents to others without express authorization is prohibited. Offenders will be held liable for the payment of damages. All rights reserved in the event of the grant of a patent, utility model or design. StereoTristereo Elevation4 All kind of areas (natural or urban). Area within a very mountainous or dense urban landscape (high buildings or skyscrapers). Elevation1 Natural landscape with few relief or low slopes. Stiff natural landscape including very high slopes (e.g. mines, peaks, high mountains) Urban areas are excluded. Tristereo reduces the risk of getting hidden objects in difficult areas (relief, dense urban, high objects). Tristereo reduces the risk of getting hidden objects in difficult areas (relief, dense urban, high objects). Not seen with mere stereo Pleiades Stereo or Tri-stereo?
11
© 2014 Airbus Defence and Space – All rights reserved. The reproduction, distribution and utilization of this document as well as the communication of its contents to others without express authorization is prohibited. Offenders will be held liable for the payment of damages. All rights reserved in the event of the grant of a patent, utility model or design. Ortho Suite - More complete, best compromise between aesthetic & accuracy Processed imagery product line with clearly specified aesthetic and accuracy to match any geospatial projects. Benefiting from Astrium long legacy in orthorectification services with Ref3D DB and PF processing tool. Standard ortho delivered in 24 hrs. Mosaic option available. 11 Pleiades High end portfolio to keep up with customer demands
12
© 2014 Airbus Defence and Space – All rights reserved. The reproduction, distribution and utilization of this document as well as the communication of its contents to others without express authorization is prohibited. Offenders will be held liable for the payment of damages. All rights reserved in the event of the grant of a patent, utility model or design. ▲ 1/10 000 Maps of Dosso and Agadez cities, Niger: assessment of remaining flooded areas © SERTIT, CNES Aug, 28th, 2012: Following major flooding in Niger, French Civil Protection together with local authorities activated Internat. Charter in the evening. Aug, 29th, morning: Charter Project Manager activated Pléiades Aug, 30 th : New images were acquired and delivered over Dosso and Agadez, allowing the fastest map production (7 h) to provide an updated view to Niger Authorities and their partners (including humanitarian organizations) Aug, 28th, 2012: Following major flooding in Niger, French Civil Protection together with local authorities activated Internat. Charter in the evening. Aug, 29th, morning: Charter Project Manager activated Pléiades Aug, 30 th : New images were acquired and delivered over Dosso and Agadez, allowing the fastest map production (7 h) to provide an updated view to Niger Authorities and their partners (including humanitarian organizations) 3 tasking plans per day for more reactive tasking activation 12 Pleiades Example of reactivity
13
© 2014 Airbus Defence and Space – All rights reserved. The reproduction, distribution and utilization of this document as well as the communication of its contents to others without express authorization is prohibited. Offenders will be held liable for the payment of damages. All rights reserved in the event of the grant of a patent, utility model or design. SPOT 6 / 7
14
© 2014 Airbus Defence and Space – All rights reserved. The reproduction, distribution and utilization of this document as well as the communication of its contents to others without express authorization is prohibited. Offenders will be held liable for the payment of damages. All rights reserved in the event of the grant of a patent, utility model or design. Date - 14 Sensors Products Swath 60 km 12 bits Depth per pixel, during acquisition PAN MS Simultaneous acquisition Orbit Same, 180 o phased 1.5 m Panchromatic Pan-sharpened Ortho Standard level Fully automated processing, including one pass mosaic SPOT 6-7 Brief info SPOT 6 launched 9/9/2012 SPOT 7 launched 30/6/2014
15
© 2014 Airbus Defence and Space – All rights reserved. The reproduction, distribution and utilization of this document as well as the communication of its contents to others without express authorization is prohibited. Offenders will be held liable for the payment of damages. All rights reserved in the event of the grant of a patent, utility model or design. SPOT 6 - 7 Reactivity Reactive tasking Uplink every 4 hours to take new requests into account (6 plans/day) Online 24/7 ordering Agility (CMG) From a target to another in record time (30° in 14s, including stabilization time) Multistrip acquisition to cover wider areas in a single pass Corridor collection (any direction – e.g. to cover borders, coastlines, rivers…) New generation image processor <40 minutes Automatic orthorectification Rush delivery SPOT 6/7 constellation + extended viewing angle Daily everywhere (Twice a day with Pléiades)
16
© 2014 Airbus Defence and Space – All rights reserved. The reproduction, distribution and utilization of this document as well as the communication of its contents to others without express authorization is prohibited. Offenders will be held liable for the payment of damages. All rights reserved in the event of the grant of a patent, utility model or design. SPOT 6 - 7 Collection capacity Collection Viewing angle (roll & pitch) 6M sq. km / day Standard: +/- 30° - Extended: +/- 45° 4 weather forecasts per day > Optimization of the resource > Increase ratio of successful attempts StorageHuge onboard capacity Agility Faster access to the next area to be covered Conflicts avoidance Automatic ortho production 10m CE90 geoloc accuracy with Ref3D where available 35m elsewhere (technical specification) High delivery capacity
17
© 2014 Airbus Defence and Space – All rights reserved. The reproduction, distribution and utilization of this document as well as the communication of its contents to others without express authorization is prohibited. Offenders will be held liable for the payment of damages. All rights reserved in the event of the grant of a patent, utility model or design. SPOT 6 - 7 Collection capacity Several collection modes are possible, similar to the Pleiades ones: 15 strips acquired in one pass Long strip Multistrip in mono-pass Targets Multizones Corridors
18
© 2014 Airbus Defence and Space – All rights reserved. The reproduction, distribution and utilization of this document as well as the communication of its contents to others without express authorization is prohibited. Offenders will be held liable for the payment of damages. All rights reserved in the event of the grant of a patent, utility model or design. Date - 18 PrimaryOrtho DescriptionImagery data with radiometric correction and basic geometric processing Imagery data orthorectified to match accurate map projection for cartography and mapping usages, allowing image fusion with other geographical information of various types GeometryCorrection of viewing angles Correction of satellite positioning information (attitude et ephemeris) Registration of PAN and MS bands Use of GCP Improvement of absolute location accuracy Use of DEM to correct distortions due to relief Improvement of internal location accuracy Projection Geolocation<35m (CE90) Better in most cases<10m (CE90) wherever Reference3D is available What do I choose? Better if/when users need to keep the parallax effects from the conditions of acquisition (for DEM generation) Better in most cases Notes Only processing level authorized for stereo and tri-stereo acquisitions Mosaic are only delivered at Ortho level SPOT 6 - 7 Products & processing levels
19
© 2014 Airbus Defence and Space – All rights reserved. The reproduction, distribution and utilization of this document as well as the communication of its contents to others without express authorization is prohibited. Offenders will be held liable for the payment of damages. All rights reserved in the event of the grant of a patent, utility model or design. + Pansharpening 3 bands (Pseudo) ReferenceBands ResolutionPrimaryOrtho PMSPansharpening 4 bands1.5m PMS_N Pansharpening 3 bands in natural colour 1.5m PMS_X Pansharpening 3 bands in false colour 1.5m PANPanchromatic (1 band)1.5m MSMultispectral (4 bands)6m BUNDLE Panchromatic (1 band) Multispectral (4 bands) 1.5m 6m SPOT 6 - 7 Spectral combinations
20
© 2014 Airbus Defence and Space – All rights reserved. The reproduction, distribution and utilization of this document as well as the communication of its contents to others without express authorization is prohibited. Offenders will be held liable for the payment of damages. All rights reserved in the event of the grant of a patent, utility model or design. CoverageAcquisitionSensorArea in sq kmDEMGCPs Syria-Lebanon2013SPOT6225 580Ref3DOrtho3 May 2014 SPOT 6 - 7 First national mosaic coverage completed: Syria, end 2013 New! Mosaic quick-looks available for each country produced! Product Source kitSource kit
21
© 2014 Airbus Defence and Space – All rights reserved. The reproduction, distribution and utilization of this document as well as the communication of its contents to others without express authorization is prohibited. Offenders will be held liable for the payment of damages. All rights reserved in the event of the grant of a patent, utility model or design. 21 SPOT 6 - 7 Extensive 3D archive continues Elevation 30 High quality 3D database, co-edited with the French Mapping Institute IGN +75m sq.km off-the-shelf 123m sq.km validated HRS stereo pairs 30m posting – up to 6m accuracy
22
© 2014 Airbus Defence and Space – All rights reserved. The reproduction, distribution and utilization of this document as well as the communication of its contents to others without express authorization is prohibited. Offenders will be held liable for the payment of damages. All rights reserved in the event of the grant of a patent, utility model or design. Status 13/05/2014 NEME CPC, Toulouse, France: TerraSAR-X – What’s new? Figure: TerraSAR-X Staring SpotLight acquisition from locks at Panama Canal TerraSAR-X VHR SAR mission
23
© 2014 Airbus Defence and Space – All rights reserved. The reproduction, distribution and utilization of this document as well as the communication of its contents to others without express authorization is prohibited. Offenders will be held liable for the payment of damages. All rights reserved in the event of the grant of a patent, utility model or design. Date - 23 TerraSAR-X reliably provides high-resolution SAR imagery with a resolution of up to 1m independent of weather and illumination conditions, featuring a unique geometric accuracy and an excellent radiometric accuracy. Very high resolution radar data, up to 1m resolution Weather and cloud cover independent acquisition With different swath & resolution With several processing levels & polarizations Ideal for fast, predictable and reliable data provision Set of products from basic data to sophisticated products like mosaics and ascending/descending merges Available worldwide from archive or new tasking TerraSAR-X Images Key Features
24
© 2014 Airbus Defence and Space – All rights reserved. The reproduction, distribution and utilization of this document as well as the communication of its contents to others without express authorization is prohibited. Offenders will be held liable for the payment of damages. All rights reserved in the event of the grant of a patent, utility model or design. Date - 24 Image intelligence Change & object detection Monitoring of sites, events, assets Create and update topographic maps Thematic extraction Radargrammetry (DEM) Oil spill detection and monitoring Surface movement monitoring Ship detection Ice monitoring Disaster management: floods, earthquakes Environmental monitoring Defense & Security Mapping Oil, Gas & Minerals Civil Engineering Transport Risk & Emergency Utilities Maritime Surveillance TerraSAR-X The answer to all projects requiring reliable & responsive image acquisition
25
© 2014 Airbus Defence and Space – All rights reserved. The reproduction, distribution and utilization of this document as well as the communication of its contents to others without express authorization is prohibited. Offenders will be held liable for the payment of damages. All rights reserved in the event of the grant of a patent, utility model or design. Date - 25 Terrasar-X - High quality radar imagery products tailored to your needs and requirements reliable Ensured acquisition at all weather conditions Acquisition predictability accurate TerraSAR-X system: best ground location accuracy (~30 cm) Basis for accurate geo-referencing rapid response For emergency requests, acquisition on short notice: exclusivity programming / late submission deadlines flexible Different imaging modes + viewing angles + various processing levels Revisit time of 2.5 days @ 95% prob. Repetition rate of 11days
26
© 2014 Airbus Defence and Space – All rights reserved. The reproduction, distribution and utilization of this document as well as the communication of its contents to others without express authorization is prohibited. Offenders will be held liable for the payment of damages. All rights reserved in the event of the grant of a patent, utility model or design. Date - 26 Acquisition and Processing Parameters Polarization: single & dual polarization Image Enhancement: Radiometrically Enhanced (RE) Spatially Enhanced (SE) Different accuracy levels* “Predicted Orbit” ~ 700m along track “Rapid Orbit” ~ 2m “Science Orbit” ~ 20 cm Full information: detailed metadata quicklook images Flexibility by 3 programming levels “Standard” “Priority” “Exclusivity” * Pixel location accuracy defines how accurate a pixel can be transformed to a ground position – real accuracy depends on relief and DEM used for orthorectification. TerraSAR-X Basic Image Products
27
© 2014 Airbus Defence and Space – All rights reserved. The reproduction, distribution and utilization of this document as well as the communication of its contents to others without express authorization is prohibited. Offenders will be held liable for the payment of damages. All rights reserved in the event of the grant of a patent, utility model or design. Status: The new TerraSAR-X Modes What is new? 13/05/2014 Detection Recognition & Classification TerraSAR-X capabilities today res. 18 m 100 x 150 km² Detailed maritime monitoring & detection ScanSAR res. 3 m 30 x 50 km² Detection & classification of vessels, infrastructure, etc. StripMap SpotLight res. 1 m 10 x 5 km² Recognition of objects (airplanes, hangars, vessels,..) TerraSAR-X new mode 2013 WS res. 40 m 200 – 270 x 200 km² Large area maritime monitoring of traffic, oil spills, sea ice,.. Monitoring Wide ScanSAR since 15/07/2013 TerraSAR-X new mode 2013 Identification Staring Spotlight ST res. 0.25 m 4 x 3.7 km² or 2.5 x 7.5 km², Identification of objects since 08/10/2013
28
© 2014 Airbus Defence and Space – All rights reserved. The reproduction, distribution and utilization of this document as well as the communication of its contents to others without express authorization is prohibited. Offenders will be held liable for the payment of damages. All rights reserved in the event of the grant of a patent, utility model or design. Status What is next? New Radar Constellation between TerraSAR-X / TanDEM-X and new sister radar satellite PAZ Launch of PAZ foreseen for 4 th Quarter 2014 – yielding a full constellation! Much higher revisit frequencies through constellation! 13/05/2014
29
© 2014 Airbus Defence and Space – All rights reserved. The reproduction, distribution and utilization of this document as well as the communication of its contents to others without express authorization is prohibited. Offenders will be held liable for the payment of damages. All rights reserved in the event of the grant of a patent, utility model or design. Date - 29 TerraSAR-X Key Applications GEOINTelligence / Security Image intelligence (IMINT) Change detection Topographic Mapping Scales 1:50,000 (up to 1: 25,000; 1:10,000 also possible for small areas) Coverage of huge areas within small time windows Fast map production and easy map updates Environmental Monitoring Forest Monitoring Crop monitoring (e.g. rice paddies) Urban change monitoring
30
© 2014 Airbus Defence and Space – All rights reserved. The reproduction, distribution and utilization of this document as well as the communication of its contents to others without express authorization is prohibited. Offenders will be held liable for the payment of damages. All rights reserved in the event of the grant of a patent, utility model or design. Date - 30 Disaster Management Rapid response to disasters Short and mid term monitoring of affected areas Maritime Ship detection (location, heading, etc.) Ice detection and corresponding trafficability of ship routes Oil spill detection Surface movement monitoring 11-day revisit time for monitoring of highly dynamic movements TerraSAR-X Key Applications
31
© 2014 Airbus Defence and Space – All rights reserved. The reproduction, distribution and utilization of this document as well as the communication of its contents to others without express authorization is prohibited. Offenders will be held liable for the payment of damages. All rights reserved in the event of the grant of a patent, utility model or design. General Case Study: Surface Movement Monitoring 13/05/2014 What you get: Vert. Surface Movement Rate -10 [mm/yr] +10 Production
32
© 2014 Airbus Defence and Space – All rights reserved. The reproduction, distribution and utilization of this document as well as the communication of its contents to others without express authorization is prohibited. Offenders will be held liable for the payment of damages. All rights reserved in the event of the grant of a patent, utility model or design. New Modes: Selected Case Studies 13/05/2014 What you get: Oil Spill Detection related to Shipping Activity Ship Detection Oil Spill Detection Report Oil Spill Ship Detection Report
33
© 2014 Airbus Defence and Space – All rights reserved. The reproduction, distribution and utilization of this document as well as the communication of its contents to others without express authorization is prohibited. Offenders will be held liable for the payment of damages. All rights reserved in the event of the grant of a patent, utility model or design. Extensive Archive WorldDEM TM 12m posting, interferometric DEM Global Pole-to-Pole 3D database Better than 10m LE90 (abs) and 2m LE 90 (rel.) Excellent relative accuracy for contour extraction Coming in 2014 33 A unique and unrivaled combination of Coverage, Quality, Accuracy, and Availability, setting a new standard of global elevation models
34
© 2014 Airbus Defence and Space – All rights reserved. The reproduction, distribution and utilization of this document as well as the communication of its contents to others without express authorization is prohibited. Offenders will be held liable for the payment of damages. All rights reserved in the event of the grant of a patent, utility model or design. 13 May 2014 34 WorldDEM TM Accuracy of a New Dimension WorldDEM TM Unrivalled Quality WorldDEM TM Standardised Global DEM WorldDEM TM Easy & Instant Access
35
© 2014 Airbus Defence and Space – All rights reserved. The reproduction, distribution and utilization of this document as well as the communication of its contents to others without express authorization is prohibited. Offenders will be held liable for the payment of damages. All rights reserved in the event of the grant of a patent, utility model or design. 13 May 2014 35 Product FeaturesCustomer Benefits Worldwide, pole-to-pole, covering the Earth’s entire land mass (150 Mio km²) Standardised DEM for any spot on Earth at the same quality Coverage Homogeneous, seamless, consistent derived from single data source Closes gaps and extends to areas missing so far with high accuracy Quality High accuracy at a pixel size of 12m Rel. vertical accuracy < 2m/< 4m abs. horizontal accuracy of < 10m Improves the performance of today’s globally operating systems & applications Accuracy No acquisition risk (future) off-the-shelf availability Enabled by an automatic order process, easy and instant access to any spot on earth in the future Availability WorldDEM TM Reaching new heights
36
© 2014 Airbus Defence and Space – All rights reserved. The reproduction, distribution and utilization of this document as well as the communication of its contents to others without express authorization is prohibited. Offenders will be held liable for the payment of damages. All rights reserved in the event of the grant of a patent, utility model or design. WorldDEM TM Level of detail SRTM 90mSRTM 30mWorldDEM TM
37
© 2014 Airbus Defence and Space – All rights reserved. The reproduction, distribution and utilization of this document as well as the communication of its contents to others without express authorization is prohibited. Offenders will be held liable for the payment of damages. All rights reserved in the event of the grant of a patent, utility model or design. Sea Level: 0 m ASTER GDEM (Pixel spacing 30m) Test site: Toulon, France WorldDEM TM Global Sea Level Rise-up – a Proven Fact Sea Level: + 3 m Sea Level: + 5 m Sea Level: + 10 m WorldDEM (Pixel spacing 12m) Geomorphological & hydrological impact in human and natural environment loss of soil to the sea Increase of saltwater intrusion ( e.g. danger of drinking water reservoirs in coastal areas ) Increase of storm surges, frequency of cyclones and floodings Quality of Elevation Reference is decisive in Flood and Sea Level Rise modelling. ASTER GDEM (Pixel spacing 30m) ASTER GDEM (Pixel spacing 30m) IncR EO Increasing Resilience through Earth Observation 13 May 2014 37
38
© 2014 Airbus Defence and Space – All rights reserved. The reproduction, distribution and utilization of this document as well as the communication of its contents to others without express authorization is prohibited. Offenders will be held liable for the payment of damages. All rights reserved in the event of the grant of a patent, utility model or design. 13 May 2014 Thank you for your attention 38
Similar presentations
© 2024 SlidePlayer.com. Inc.
All rights reserved.