Digital Archive of Cultural Heritages - Three Dimensional Modeling of Cultural Heritages and its use...
-
Upload
whitney-patrick -
Category
Documents
-
view
214 -
download
0
Transcript of Digital Archive of Cultural Heritages - Three Dimensional Modeling of Cultural Heritages and its use...
![Page 1: Digital Archive of Cultural Heritages - Three Dimensional Modeling of Cultural Heritages and its use for Educational Purposes - Atsushi Nakazawa, Takeshi.](https://reader036.fdocuments.us/reader036/viewer/2022062516/56649dff5503460f94ae7249/html5/thumbnails/1.jpg)
Digital Archive of Cultural Heritages- Three Dimensional Modeling of Cultural Heritages
and its use for Educational Purposes -
Atsushi Nakazawa, Takeshi Oishi, Jun Takamatsu, Kiminori Hasegawa, Katsushi Ikeuchi
IKEUCHI LaboratoryInstitute of Industrial Science, The University of Tokyo
http://www.cvl.iis.u-tokyo.ac.jp/
TAKEMURA LaboratoryCybermedia Center, Osaka Univesityhttp://www.ime.cmc.osaka-u.ac.jp/
![Page 2: Digital Archive of Cultural Heritages - Three Dimensional Modeling of Cultural Heritages and its use for Educational Purposes - Atsushi Nakazawa, Takeshi.](https://reader036.fdocuments.us/reader036/viewer/2022062516/56649dff5503460f94ae7249/html5/thumbnails/2.jpg)
Modeling from Reality
Real object
VR model
digital sensors
Algorithm
![Page 3: Digital Archive of Cultural Heritages - Three Dimensional Modeling of Cultural Heritages and its use for Educational Purposes - Atsushi Nakazawa, Takeshi.](https://reader036.fdocuments.us/reader036/viewer/2022062516/56649dff5503460f94ae7249/html5/thumbnails/3.jpg)
• Develop methods for acquiring accurate digital models of cultural heritage in all the world.
(University of Tokyo)
– Use for conservation and restoration.– Create computer graphics and open to the public
through a virtual museum on the Internet.
• Use the acquired digital data for education.(Osaka University)
– History, Art, Literature, Languages.
Digital Archive Project for Cultural Heritages
![Page 4: Digital Archive of Cultural Heritages - Three Dimensional Modeling of Cultural Heritages and its use for Educational Purposes - Atsushi Nakazawa, Takeshi.](https://reader036.fdocuments.us/reader036/viewer/2022062516/56649dff5503460f94ae7249/html5/thumbnails/4.jpg)
Visual Information of Cultural Properties
1. Geometry (Shape) 2. Photometry (Surface colors, Textures)
4. Time Sequence (Motion)3. Environment (Lighting Conditions, Shadows)
![Page 5: Digital Archive of Cultural Heritages - Three Dimensional Modeling of Cultural Heritages and its use for Educational Purposes - Atsushi Nakazawa, Takeshi.](https://reader036.fdocuments.us/reader036/viewer/2022062516/56649dff5503460f94ae7249/html5/thumbnails/5.jpg)
Research Issues• Geometry (Object Shape)
– Laser Range Sensors for 3D Modeling.
– Alignment and merging method for large amount of data.
– Digital restoration of original states.
• Time Sequence (Human Motion)– Video / Motion Capture
– Motion structure analysis and motion synthesis.
– Presentation by Humanoid Robots.
• Educational Applications– Distribute digital data for mobile environment.
– Mobile 3D displays.
![Page 6: Digital Archive of Cultural Heritages - Three Dimensional Modeling of Cultural Heritages and its use for Educational Purposes - Atsushi Nakazawa, Takeshi.](https://reader036.fdocuments.us/reader036/viewer/2022062516/56649dff5503460f94ae7249/html5/thumbnails/6.jpg)
Research Issues• Geometry (Object Shape)
– Laser Range Sensors for 3D Modeling.– Alignment and merging method for large amount of data.– Digital restoration of original states.
• Time Sequence (Human Motion)– Video / Motion Capture– Motion structure analysis and motion synthesis.– Presentation by Humanoid Robots.
• Educational Applications– Distribute digital data for mobile environment.– Mobile 3D displays.
• Digital Library– Three Dimensional Model of Cultural Heritages all the World.
![Page 7: Digital Archive of Cultural Heritages - Three Dimensional Modeling of Cultural Heritages and its use for Educational Purposes - Atsushi Nakazawa, Takeshi.](https://reader036.fdocuments.us/reader036/viewer/2022062516/56649dff5503460f94ae7249/html5/thumbnails/7.jpg)
Laser Range Scanners
time ⊿t
Scanner
distance d = ⊿t ・ c/2 c : light speed
Object
![Page 8: Digital Archive of Cultural Heritages - Three Dimensional Modeling of Cultural Heritages and its use for Educational Purposes - Atsushi Nakazawa, Takeshi.](https://reader036.fdocuments.us/reader036/viewer/2022062516/56649dff5503460f94ae7249/html5/thumbnails/8.jpg)
Scanned Range Images
Several range images acquired from different viewpoints.
![Page 9: Digital Archive of Cultural Heritages - Three Dimensional Modeling of Cultural Heritages and its use for Educational Purposes - Atsushi Nakazawa, Takeshi.](https://reader036.fdocuments.us/reader036/viewer/2022062516/56649dff5503460f94ae7249/html5/thumbnails/9.jpg)
Registration of Several Range Images
![Page 10: Digital Archive of Cultural Heritages - Three Dimensional Modeling of Cultural Heritages and its use for Educational Purposes - Atsushi Nakazawa, Takeshi.](https://reader036.fdocuments.us/reader036/viewer/2022062516/56649dff5503460f94ae7249/html5/thumbnails/10.jpg)
Merge the Aligned Range Images• Voxel based merging method by using PC Cluster
![Page 11: Digital Archive of Cultural Heritages - Three Dimensional Modeling of Cultural Heritages and its use for Educational Purposes - Atsushi Nakazawa, Takeshi.](https://reader036.fdocuments.us/reader036/viewer/2022062516/56649dff5503460f94ae7249/html5/thumbnails/11.jpg)
Complete 3D Digital Model of Large Scale Cultural Heritages
![Page 12: Digital Archive of Cultural Heritages - Three Dimensional Modeling of Cultural Heritages and its use for Educational Purposes - Atsushi Nakazawa, Takeshi.](https://reader036.fdocuments.us/reader036/viewer/2022062516/56649dff5503460f94ae7249/html5/thumbnails/12.jpg)
Ubiquitous Learning Projecthttp://www.ulan.jp/
Course Management SystemCourse Management System
Lecture
3D Model DataAccountingLecture Info..
VR Model
New Project by 3 Universities: Nagoya University, Information Tech. Center Kyoto University, Academic Center for Computing and Media Studies. Osaka University, Cybermedia Center
Direct Communication
DisplayHMD
Mobile Terminals
![Page 13: Digital Archive of Cultural Heritages - Three Dimensional Modeling of Cultural Heritages and its use for Educational Purposes - Atsushi Nakazawa, Takeshi.](https://reader036.fdocuments.us/reader036/viewer/2022062516/56649dff5503460f94ae7249/html5/thumbnails/13.jpg)
Conclusion
• The digital archiving technologies for cultural heritages:– 3D Geometry Modeling
– 3D Restoration Technique
– Applications for Educational Purposes
• Please visit the website:– Katsushi Ikeuchi Lab.
• http://www.cvl.iis.u-tokyo.ac.jp/
– ULAN (Ubiquitous Learning) Project
• http://www.ulan.jp/