1 / 16

Can You Trust Google Earth?

Math and Computer Science Department Seminar Wheaton College. Can You Trust Google Earth?. Problem: Get directions to Osseo Circle, Lincoln, NH. MapQuest. MapQuest. MapQuest. Whoops! Database problem. Google Maps. Same problem!. Google Earth. Dear Ol' Wheaton. Google Earth.

ashton-rojas
Download Presentation

Can You Trust Google Earth?

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Math and Computer Science Department Seminar Wheaton College Can You Trust Google Earth?

  2. Problem: Get directions to Osseo Circle, Lincoln, NH

  3. MapQuest

  4. MapQuest

  5. MapQuest Whoops! Database problem

  6. Google Maps Same problem!

  7. Google Earth Dear Ol' Wheaton

  8. Google Earth Something's amiss!

  9. Google Maps Huh?

  10. Google Earth - Terrain

  11. Terrain Storage: DEM • DEM = Digital Elevation Model • Regular grid of elevation points

  12. Creating a DEM Traditional Errors! Spot Heights Stereo Aerial Photography Manual Contouring Automated Stereo Matching Convert to DLG Convert to DEM

  13. Creating a DEM State of the Art Traditional Spot Heights Errors! Satellite Plane Stereo Aerial Photography SAR LiDAR Manual Contouring Automated Stereo Matching Internal Representation Convert to DLG Convert to DEM Convert to DEM

  14. DEM Error Viewer

  15. Error Visualization

  16. Error Visualization

More Related