![Page 1: Application of LiDAR Technology for GCP Determination in Papua Topographic Mapping Scale 1:50.000 Wildan Firdaus - 2011](https://reader035.vdocument.in/reader035/viewer/2022062511/5516798d5503469d698b5af1/html5/thumbnails/1.jpg)
Application of LiDAR Technology for GCP Determination in PapuaTopographic Mapping Scale 1:50.000
Wildan Firdaus - 2011
![Page 2: Application of LiDAR Technology for GCP Determination in Papua Topographic Mapping Scale 1:50.000 Wildan Firdaus - 2011](https://reader035.vdocument.in/reader035/viewer/2022062511/5516798d5503469d698b5af1/html5/thumbnails/2.jpg)
Bakosurtanal >> BIGBackgroundsProblemsSolutionMethodologyResultsDiscussionsConclusions
LiDAR Photos
![Page 3: Application of LiDAR Technology for GCP Determination in Papua Topographic Mapping Scale 1:50.000 Wildan Firdaus - 2011](https://reader035.vdocument.in/reader035/viewer/2022062511/5516798d5503469d698b5af1/html5/thumbnails/3.jpg)
Our Team
![Page 4: Application of LiDAR Technology for GCP Determination in Papua Topographic Mapping Scale 1:50.000 Wildan Firdaus - 2011](https://reader035.vdocument.in/reader035/viewer/2022062511/5516798d5503469d698b5af1/html5/thumbnails/4.jpg)
From Bakosurtanal into the BIG
beranda
![Page 5: Application of LiDAR Technology for GCP Determination in Papua Topographic Mapping Scale 1:50.000 Wildan Firdaus - 2011](https://reader035.vdocument.in/reader035/viewer/2022062511/5516798d5503469d698b5af1/html5/thumbnails/5.jpg)
BACKGROUND (1)
• Bakosurtanal (now BIG) has responsibility to provide Topographic Map for all area in Indonesia at different scale
• Bakosurtanal (now BIG) has many old aerial photos in Papua (photo scale 1:20.000)
lanjut
![Page 6: Application of LiDAR Technology for GCP Determination in Papua Topographic Mapping Scale 1:50.000 Wildan Firdaus - 2011](https://reader035.vdocument.in/reader035/viewer/2022062511/5516798d5503469d698b5af1/html5/thumbnails/6.jpg)
BACKGROUND (2)
• Since topography of Papua is unchanged for last 20 years, it is possible to create Topographic Map at map scale 1:50.000 by using old aerial photograph data
• Aerial photo data acquisition years: 1990 – 1996
beranda
![Page 7: Application of LiDAR Technology for GCP Determination in Papua Topographic Mapping Scale 1:50.000 Wildan Firdaus - 2011](https://reader035.vdocument.in/reader035/viewer/2022062511/5516798d5503469d698b5af1/html5/thumbnails/7.jpg)
• There is no Ground Control Point (GCP) on aerial photo
• Aerial Triangulation (AT) need GCP• It is very expensive and inefficient to collect
GCP by terrestrial survey since it is very large area and difficult to access some places in Papua
PROBLEMS
beranda
![Page 8: Application of LiDAR Technology for GCP Determination in Papua Topographic Mapping Scale 1:50.000 Wildan Firdaus - 2011](https://reader035.vdocument.in/reader035/viewer/2022062511/5516798d5503469d698b5af1/html5/thumbnails/8.jpg)
SOLUTION (1)
• LiDAR (Light Detection and Ranging) is a latest technology in remote sensing
• LiDAR provide elevation data at very high accuracy and density at a relatively short time for large area
lanjut
![Page 9: Application of LiDAR Technology for GCP Determination in Papua Topographic Mapping Scale 1:50.000 Wildan Firdaus - 2011](https://reader035.vdocument.in/reader035/viewer/2022062511/5516798d5503469d698b5af1/html5/thumbnails/9.jpg)
SOLUTION (2)
• LiDAR combined with medium format digital camera to provide image data
• It is possible to use LiDAR data for GCP determination on old aerial photo
beranda
![Page 10: Application of LiDAR Technology for GCP Determination in Papua Topographic Mapping Scale 1:50.000 Wildan Firdaus - 2011](https://reader035.vdocument.in/reader035/viewer/2022062511/5516798d5503469d698b5af1/html5/thumbnails/10.jpg)
LiDAR System (1)
lanjut
![Page 11: Application of LiDAR Technology for GCP Determination in Papua Topographic Mapping Scale 1:50.000 Wildan Firdaus - 2011](https://reader035.vdocument.in/reader035/viewer/2022062511/5516798d5503469d698b5af1/html5/thumbnails/11.jpg)
LiDAR System (2)
lanjut
![Page 12: Application of LiDAR Technology for GCP Determination in Papua Topographic Mapping Scale 1:50.000 Wildan Firdaus - 2011](https://reader035.vdocument.in/reader035/viewer/2022062511/5516798d5503469d698b5af1/html5/thumbnails/12.jpg)
LiDAR System (3)
lanjut
![Page 13: Application of LiDAR Technology for GCP Determination in Papua Topographic Mapping Scale 1:50.000 Wildan Firdaus - 2011](https://reader035.vdocument.in/reader035/viewer/2022062511/5516798d5503469d698b5af1/html5/thumbnails/13.jpg)
LiDAR System (4)
beranda
![Page 14: Application of LiDAR Technology for GCP Determination in Papua Topographic Mapping Scale 1:50.000 Wildan Firdaus - 2011](https://reader035.vdocument.in/reader035/viewer/2022062511/5516798d5503469d698b5af1/html5/thumbnails/14.jpg)
LiDAR Workflow AT Workflow
Aerial Photo
- Digital Terrain Model- Ortho Image
GCP Determination
List of GCP Coordinate
List of Coordinate Measurement
METHODOLOGY
lanjut
Bundle Adjustment
Exterior Orientation
![Page 15: Application of LiDAR Technology for GCP Determination in Papua Topographic Mapping Scale 1:50.000 Wildan Firdaus - 2011](https://reader035.vdocument.in/reader035/viewer/2022062511/5516798d5503469d698b5af1/html5/thumbnails/15.jpg)
LiDAR Workflow
lanjut
![Page 16: Application of LiDAR Technology for GCP Determination in Papua Topographic Mapping Scale 1:50.000 Wildan Firdaus - 2011](https://reader035.vdocument.in/reader035/viewer/2022062511/5516798d5503469d698b5af1/html5/thumbnails/16.jpg)
LIDAR FLIGHT PLAN
![Page 17: Application of LiDAR Technology for GCP Determination in Papua Topographic Mapping Scale 1:50.000 Wildan Firdaus - 2011](https://reader035.vdocument.in/reader035/viewer/2022062511/5516798d5503469d698b5af1/html5/thumbnails/17.jpg)
AT Workflow
beranda
![Page 18: Application of LiDAR Technology for GCP Determination in Papua Topographic Mapping Scale 1:50.000 Wildan Firdaus - 2011](https://reader035.vdocument.in/reader035/viewer/2022062511/5516798d5503469d698b5af1/html5/thumbnails/18.jpg)
Pricking (1)
• PrickingTransfer point from digital image LiDAR to Aerial
Photo and then performed pricking on Diapositive
lanjut
![Page 19: Application of LiDAR Technology for GCP Determination in Papua Topographic Mapping Scale 1:50.000 Wildan Firdaus - 2011](https://reader035.vdocument.in/reader035/viewer/2022062511/5516798d5503469d698b5af1/html5/thumbnails/19.jpg)
Pricking (2)
![Page 20: Application of LiDAR Technology for GCP Determination in Papua Topographic Mapping Scale 1:50.000 Wildan Firdaus - 2011](https://reader035.vdocument.in/reader035/viewer/2022062511/5516798d5503469d698b5af1/html5/thumbnails/20.jpg)
RESULT (1)
• LiDAR Data Acquisition and ProcessingDigital Surface Model (DSM)Digital Terrain Model (DTM)Ortho Image 800 GCP Coordinates
lanjut
![Page 21: Application of LiDAR Technology for GCP Determination in Papua Topographic Mapping Scale 1:50.000 Wildan Firdaus - 2011](https://reader035.vdocument.in/reader035/viewer/2022062511/5516798d5503469d698b5af1/html5/thumbnails/21.jpg)
RESULT (2)
• Aerial Triangulation (AT)RMS GCPRMS X = 2.867 mRMS Y = 3.102 mRMS Z = 0.864 mRMS requirementRMS XY ≤ 5 mRMS Z ≤ 2 m
lanjut
![Page 22: Application of LiDAR Technology for GCP Determination in Papua Topographic Mapping Scale 1:50.000 Wildan Firdaus - 2011](https://reader035.vdocument.in/reader035/viewer/2022062511/5516798d5503469d698b5af1/html5/thumbnails/22.jpg)
RESULT (3)
• Aerial Triangulation (AT)
Sigma Naught = 36,98 micronSigma Naught requirement ≤ 30 micron
beranda
![Page 23: Application of LiDAR Technology for GCP Determination in Papua Topographic Mapping Scale 1:50.000 Wildan Firdaus - 2011](https://reader035.vdocument.in/reader035/viewer/2022062511/5516798d5503469d698b5af1/html5/thumbnails/23.jpg)
DISCUSSION (1)
• LiDAR data can be generate to become DSM and DTM
• LiDAR data result have good quality of precision that fulfill the specification
• This methodology which used for collect GCP from LiDAR data able to meet requirement
lanjut
![Page 24: Application of LiDAR Technology for GCP Determination in Papua Topographic Mapping Scale 1:50.000 Wildan Firdaus - 2011](https://reader035.vdocument.in/reader035/viewer/2022062511/5516798d5503469d698b5af1/html5/thumbnails/24.jpg)
DISCUSSION (2)
• Comparing between old aerial photo (90’s) and digital image from LiDAR (2010), there are many changes in detail
lanjut
![Page 25: Application of LiDAR Technology for GCP Determination in Papua Topographic Mapping Scale 1:50.000 Wildan Firdaus - 2011](https://reader035.vdocument.in/reader035/viewer/2022062511/5516798d5503469d698b5af1/html5/thumbnails/25.jpg)
DISCUSSION (3)
![Page 26: Application of LiDAR Technology for GCP Determination in Papua Topographic Mapping Scale 1:50.000 Wildan Firdaus - 2011](https://reader035.vdocument.in/reader035/viewer/2022062511/5516798d5503469d698b5af1/html5/thumbnails/26.jpg)
DISCUSSION (4)
• It is difficult to identify detail since work area is densely forested
•
beranda
![Page 27: Application of LiDAR Technology for GCP Determination in Papua Topographic Mapping Scale 1:50.000 Wildan Firdaus - 2011](https://reader035.vdocument.in/reader035/viewer/2022062511/5516798d5503469d698b5af1/html5/thumbnails/27.jpg)
CONCLUSION (1)
• LiDAR data has a very high intensity and density
• LiDAR technology make pricking process easier
lanjut
![Page 28: Application of LiDAR Technology for GCP Determination in Papua Topographic Mapping Scale 1:50.000 Wildan Firdaus - 2011](https://reader035.vdocument.in/reader035/viewer/2022062511/5516798d5503469d698b5af1/html5/thumbnails/28.jpg)
CONCLUSION (2)
• Inaccurate measurement in AT caused by many changes in detail between old aerial photo and digital image, Hard to identify the point on old aerial photograph.
lanjut
![Page 29: Application of LiDAR Technology for GCP Determination in Papua Topographic Mapping Scale 1:50.000 Wildan Firdaus - 2011](https://reader035.vdocument.in/reader035/viewer/2022062511/5516798d5503469d698b5af1/html5/thumbnails/29.jpg)
CONCLUSION (3)
• Digital image from medium camera integrated with LiDAR make it very helpful in points identification and point transfer
lanjut
![Page 30: Application of LiDAR Technology for GCP Determination in Papua Topographic Mapping Scale 1:50.000 Wildan Firdaus - 2011](https://reader035.vdocument.in/reader035/viewer/2022062511/5516798d5503469d698b5af1/html5/thumbnails/30.jpg)
CONCLUSION (4)
• Quality of GCP that are generated from LiDAR data is relatively good
• GCP RMS fulfill the specification from Bakosurtanal (now BIG)
berandalanjut
![Page 31: Application of LiDAR Technology for GCP Determination in Papua Topographic Mapping Scale 1:50.000 Wildan Firdaus - 2011](https://reader035.vdocument.in/reader035/viewer/2022062511/5516798d5503469d698b5af1/html5/thumbnails/31.jpg)
THANK YOU
beranda