Introduction to KOMPSAT September, 2016 1
CONTENTS 01 Introduction of SIIS 02 KOMPSAT Constellation 03 New : KOMPSAT-3 50 cm 04 New : KOMPSAT-3A 2
KOMPSAT Constellation KOMPSAT series National space program Developed and operated by KARI (Korea Aerospace Research Institute) Dual use : Government & commercial Worldwide imagery distribution by KOMPSAT-5 Design lifetime : 5 years 2013.10.22 ~ 1.0 m SAR Payload LTAN : 6:00 (18:00) KOMPSAT-2 Design lifetime : 3 years 2006.7.28 ~ 1.0 m EO Payload LTAN : 10:50 KOMPSAT-3 Design lifetime : 4 years 2012.5.18 ~ 0.7 m EO Payload LTAN : 13:30 KOMPSAT-3A Design lifetime : 4 years 2015.3.26 ~ 0.55 m EO & 5.5 m IR Payload LTAN : 13:30 4
KOMPSAT Constellation KOMPSAT-2 Specification Launch 28 July, 2006 Ground Sampling Distance Swath Width Spectral Bands Location Accuracy Tilt Angle Data Quantization Orbit Duty PAN : 1.0 m @altitude 685 km(nadir) MS : 4.0 m @altitude 685 km(nadir) 15 km (nadir) PAN MS1 (Blue) : 500 ~ 900 nm : 450 ~ 520 nm MS2 (Green) : 520 ~ 600 nm MS3 (Red) MS4 (NIR) < 50.9 m CE90 Roll(-30~30 deg.) 10 bits / pixel : 630 ~ 690 nm : 760 ~ 900 nm Sun Synchronous Orbit Altitude : 685 km Inclination : 98.127 deg. MLTAN : 10:50 20% per orbit 5 KOMPSAT-2 s Strength Huge archive over lifetime
Kompsat 2 example Sweden 1: Original image LM 1 m res, 8bit rgb 2: Kompsat 2 image, 1m res, 16 bit -> 8bit 3: Change detection PCI 6 Can we do this better? Use 16 bit RGB+IR
Kompsat 2 example Sweden 1: Original image LM 1 m res, 8bit rgb 2: Kompsat 2 image, 1m res, 16 bit -> 8bit 3: Change detection PCI 7 Can we do this better? Use 16 bit RGB+IR
Kompsat 2 example Sweden 1: Original image LM 1 m res, 8bit rgb 2: Kompsat 2 image, 1m res, 16 bit -> 8bit 3: Change detection PCI 8 Can we do this better? Use 16 bit RGB+IR
9 Tokyo, Japan
Quirinopolis, Brazil KOMPSAT Constellation 10
KOMPSAT Constellation KOMPSAT-3 Specification Launch 17 May, 2012 Ground Sampling Distance Swath Width Spectral Bands Location Accuracy Tilt Angle Data Quantization Orbit Duty PAN : 0.7 m @altitude 685 km(nadir) MS : 2.8 m @altitude 685 km(nadir) 16 km (nadir) PAN MS1 (Blue) : 450 ~ 900 nm : 450 ~ 520 nm MS2 (Green) : 520 ~ 600 nm MS3 (Red) MS4 (NIR) < 48.5 m CE90 : 630 ~ 690 nm : 760 ~ 900 nm Roll(-45~45 deg.) / Pitch(-30~30 deg.) 14 bits / pixel Sun Synchronous Orbit Altitude : 685.13 ± 1 km Inclination : 98.14 ± 0.05 deg. MLTAN : 13:30 +10/-15 min 10% per orbit 11 What s NEW? 50cm product processed
KOMPSAT Constellation Dubai, UAE 12
KOMPSAT Constellation Sidoarjo, Indonesia 13
KOMPSAT Constellation KOMPSAT-5 Specification Launch 22 August, 2013 Payload Frequency NESZ Radiometric Accuracy Incidence Angles Synthetic Aperture Radar (SAR) 9.66 GHz (X-band) -17 db 1 db 20 ~ 45 deg. (nominal, 304 km coverage) 45 ~ 55 deg. (extended, additional 186 km coverage) Orbit Duty Imaging Mode Sun Synchronous, Dawn-dusk orbit Altitude : 550 km Inclination : 97.6 deg. Local Time : 6 A.M. and 6 P.M. 2 minutes per orbit Spotlight (HR, UH, EH) Strip (ST, ES) ScanSAR (WS, EW) What s NEW? New Imaging Modes, Quality Improvement 14
KOMPSAT Constellation 15 KOMPSAT-5 Imagery EH-12, 2015.05.29, Hrazdan Central Stadium, Armenia
KOMPSAT Constellation KOMPSAT-3A Specification Launch March 26, 2015 Ground Sampling Distance Swath Width Spectral Bands Tilt Angle Data Quantization Orbit PAN : 0.55 m @altitude 528 km(nadir) MS : 2.2 m @altitude 528 km(nadir) >13km (nadir) PAN : 450 ~ 900 nm MS1 (Blue) : 450 ~ 520 nm MS2 (Green) : 520 ~ 600 nm MS3 (Red) MS4 (NIR) : 630 ~ 690 nm : 760 ~ 900 nm Roll(-45~45 deg.) / Pitch(-30~30 deg.) 14 bits / pixel Sun Synchronous Orbit Altitude : 528 km Inclination : 97.5 deg. MLTAN : 13:30 What s NEW? 40cm product processed 16
KOMPSAT Constellation 17
KOMPSAT Constellation 18
Benefits of KOMPSAT Capacity & Capability Best Choice for Large Area Mapping Large daily collection capability KOMPSAT-2 KOMPSAT-3 KOMPSAT-5 KOMPSAT-3A Total Coverage(km 2 ) 1,700,000 300,000 Up to 1,000,000 240,000 Up to 3,240,000 KOMPSAT-2 Higher duty cycle 7900 km strip in 1 imaging KOMPSAT-3 Higher imaging chance to VHR users More than 40 imaging in a month Imaging over one month (11 Oct. ~ 10 Nov.) 20
Search for satellites over Oslo 21 Preview is nice
Benefits of KOMPSAT Unique combination of VHR EO & SAR Combination of VHR EO & SAR Integrated solution for optical and radar Unique combination for imaging time (10:50, 13:30, 06:00/18:00) Sole VHR sensor with multispectral in the afternoon Increase visibility of specific target (cloud cover changes) Change detection even within a day is possible 06:00 KOMPSAT- 5 COSMO-SkyMed TerraSAR-X 13:30 KOMPSAT-3 KOMPSAT-3A EROS-B (Mono) 11:00 KOMPSAT-2 WorldView-1/2/3 Pleiades 18:00 KOMPSAT-5 COSMO-SkyMed TerraSAR-X 23
Benefits of KOMPSAT Unique combination of VHR EO & SAR All weather imaging SAR Valuable for disaster monitoring (ex. Volcano Popocatépetl, Mexico) KOMPSAT-3 (19 April, 2016) KOMPSAT-5 (21 April, 2016) 24
Benefits of KOMPSAT Unique combination of VHR EO & SAR Optic & SAR imagery Different features Tokyo Big Egg, Google image and KOMPSAT-5 image taken on May 11st, 2015 25
Benefits of KOMPSAT The best for spectral analysis Highest Quantization Highest bits per pixel among the commercial imagery 14 bits per pixel Better performance for spectral analysis 26
Benefits of KOMPSAT The best for spectral analysis More Information from Bathymetry 11 bits [2048] vs. 14 bits [16384] Courtesy of 27
Benefits of KOMPSAT The best for spectral analysis Better Correlation with Stereo KOMPSAT-3 DEM LiDAR Courtesy of 28
KOMPSAT Applications Natural Resource Management Strength Wide area imaging High resolution for precision agriculture and forest mapping High revisit for short imaging window Highest quantization for spectral analysis Hugh archive / data continuity Application Agriculture Monitoring Forest mapping Land cover mapping / change detection 32
KOMPSAT Applications Ortho-Mosaic 12 scenes over Ottawa, Canada Accuracy of ~0.8m over 2,800sqkm Courtesy of 39
KOMPSAT Applications Change Detection KOMPSAT-5 Analysis by K5_20140605053323_004041 K5_20140702053331_004040 Change detection (CCDINTEN) 15x15 40
KOMPSAT Applications Maritime Monitoring Strength Integrated Optic & SAR solution Day & night, all weather imaging High revisit rate / unique imaging time combination Application Bathymetry Ship detection and tracking Oil spill monitoring 41
ES Mode : 2.5 m resolution Acquired : 2015-12-30 42
Using KOMPSAT imagery KOMPSAT helps you achieve success in many global projects National Forest Inventory Copernicus Data Warehouse Airport Monitoring One Map (Mapping) Direct Receiving System Power & Transmission line construction Bhuvan (Mapping) New Port Project 45 Telecom (LBS)
See Better with 50 cm Increased pixel number 70 cm 70 cm x1.4 (samples) x 1.4 (lines) 50 cm 50 cm 50 cm Sydney, Australia x1.96 BEFORE PAN Sharpened (70cm) AFTER PAN Sharpened (50cm) 47
See Better with 50 cm Copenhagen, Denmark PAN Sharpened (50cm) ZOOM PAN Sharpened (50cm) ZOOM PAN Sharpened (70cm) 48
New : KOMPSAT -3A Mission objectives Data continuation after KOMPSAT-3 Provision of the high-resolution EO (Electro-Optical) images Provision of IR (Infrared) images Bus Identical with KOMPSAT-3 Payload: AEISS-A Identical with KOMPSAT-3 for visible bands Additional IR band Orbit 528 km altitude Better GSD than KOMPSAT-3 52
The First Image Pan-sharpened Pan-sharpened KOMPSAT-3, Japan. 2014.10.24 KOMPSAT-3A, Japan. 2015.03.27 54
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Benefit of KOMPSAT-3A Same benefits with KOMPSAT-3 Afternoon imaging Increases imaging chances Highest quantization Good for spectral analysis (classification, DEM, bathymetry, etc.) 58
Benefit of KOMPSAT-3A Target Revisit : Oslo During 28 days, +/- 30 degree tilt 21 days of imaging chance, 1.3 days on average 8 days for both K3 and K3A imaging SUN MON TUES WED THURS FRI SAT 28 29 30 31 01 02 03 K3 K3 K3, K3A K3, K3A K3A K3, K3A 04 05 06 07 08 09 10 K3 K3 K3 K3A K3, K3A 11 12 13 14 15 16 17 K3, K3A K3A K3 K3 K3 18 19 20 21 22 23 24 K3, K3A K3A K3, K3A K3, K3A K3 60
Synergy with KOMPSAT-3 and 3A KOMPSAT-3A Fast Coverage KOMPSAT-3 Seamless Data Best for Spectral Analysis 50 cm / 40 cm resolution Same Sensor Same Local Time 14 bits/pixel 61
Summary of KOMPSAT Products Type Name Resolution Swath KOMPSAT-2 1m 15km Optical KOMPSAT-3 0.5m 16km KOMPSAT-3A 0.4m 13km 1m (Ultra High Resolution) 3km SAR KOMPSAT-5 0.85m (Enhanced High Resolution) 2.5m (Enhanced Strip) 2.7km 30km 5m (20m) (Enhanced Wide Swath) 100km 62
Thank You 63 63