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Martin Tomko, Ross S. Purves Matterhorn on the Horizon Identification of Salient Mountains for Image Annotation martin.tomko@geo.uzh.ch www.geo.uzh.ch/~mtomko
TRIPOD x,y,z,A View of Eiffel Tower in Paris View of Eiffel Tower in Paris x,y,z,A x,y,z,A View of Eiffel Tower in Paris
Fusszeile
Overview Climb every mountain...  Start from the most salient! EXIF Metadata and Camera DB Footprint Services: Viewport and Viewshed Data Processing/Mapping/Services & Configurations Tools Ongoing: Salience Computation
Fusszeile
Overview EXIF Metadata and Camera DB Footprint Services: Viewport and Viewshed Data Processing/Mapping/Services & Configurations Tools Ongoing: Salience Computation  But what’s it called?
Image Annotation (Edwardes, ‘08; Chippendale, ‘08) DEM viewshed analysis (Fisher ’96) Mountain Prominence (Helman,’05)
Method
Method Not necessarily the summit! Apparent salience [o]  Apparent salience < Mountain Prominence [m] Matterhorn: 4478m / Mt prom: 1031m / saddle height: 3447 (Wandfluejoch)
Method
Matterhorn;LK100 Monte Cervino;LK100 Pic Tyndall;LK25 Testa del Leone;LK25 Method
Method Mountain-top regions in Switzerland Mountain height  > 800  Rel. drop > 250m
Matterhorn;LK100 Monte Cervino;LK100 Pic Tyndall;LK25 Testa del Leone;LK25 Method
Example
Example Caption: Torberg photographed in the morning in the Innerthal (Region), Switzerland Mountain: Torberg , position: IMAGE_RIGHT
Example
Future work Larger evaluation Qualitative description of the horizon Consider distance, valleyness Explore landform shape salience, texture, name ridges,… Explore semantic salience (crowdsourced data)
Overview Climb every mountain,Ford every stream, Follow every rainbow,Till you find your dream. EXIF Metadata and Camera DB Footprint Services: Viewport and Viewshed Data Processing/Mapping/Services & Configurations Tools Ongoing: Salience Computation

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7B_3_Matterhorn on the horizon

  • 1. Martin Tomko, Ross S. Purves Matterhorn on the Horizon Identification of Salient Mountains for Image Annotation martin.tomko@geo.uzh.ch www.geo.uzh.ch/~mtomko
  • 2. TRIPOD x,y,z,A View of Eiffel Tower in Paris View of Eiffel Tower in Paris x,y,z,A x,y,z,A View of Eiffel Tower in Paris
  • 4. Overview Climb every mountain... Start from the most salient! EXIF Metadata and Camera DB Footprint Services: Viewport and Viewshed Data Processing/Mapping/Services & Configurations Tools Ongoing: Salience Computation
  • 6. Overview EXIF Metadata and Camera DB Footprint Services: Viewport and Viewshed Data Processing/Mapping/Services & Configurations Tools Ongoing: Salience Computation But what’s it called?
  • 7. Image Annotation (Edwardes, ‘08; Chippendale, ‘08) DEM viewshed analysis (Fisher ’96) Mountain Prominence (Helman,’05)
  • 9. Method Not necessarily the summit! Apparent salience [o] Apparent salience < Mountain Prominence [m] Matterhorn: 4478m / Mt prom: 1031m / saddle height: 3447 (Wandfluejoch)
  • 11. Matterhorn;LK100 Monte Cervino;LK100 Pic Tyndall;LK25 Testa del Leone;LK25 Method
  • 12. Method Mountain-top regions in Switzerland Mountain height > 800 Rel. drop > 250m
  • 13. Matterhorn;LK100 Monte Cervino;LK100 Pic Tyndall;LK25 Testa del Leone;LK25 Method
  • 15. Example Caption: Torberg photographed in the morning in the Innerthal (Region), Switzerland Mountain: Torberg , position: IMAGE_RIGHT
  • 17. Future work Larger evaluation Qualitative description of the horizon Consider distance, valleyness Explore landform shape salience, texture, name ridges,… Explore semantic salience (crowdsourced data)
  • 18. Overview Climb every mountain,Ford every stream, Follow every rainbow,Till you find your dream. EXIF Metadata and Camera DB Footprint Services: Viewport and Viewshed Data Processing/Mapping/Services & Configurations Tools Ongoing: Salience Computation
  • 19. Overview Thank you! EXIF Metadata and Camera DB Footprint Services: Viewport and Viewshed Data Processing/Mapping/Services & Configurations Tools Ongoing: Salience Computation

Hinweis der Redaktion

  1. Region = bounded geographic footprintProminence -&gt; e.g., visual salience, have been previously studied for the identification of individual prominent spatial features
  2. Region = bounded geographic footprintProminence -&gt; e.g., visual salience, have been previously studied for the identification of individual prominent spatial features
  3. Region = bounded geographic footprintProminence -&gt; e.g., visual salience, have been previously studied for the identification of individual prominent spatial features
  4. Region = bounded geographic footprintProminence -&gt; e.g., visual salience, have been previously studied for the identification of individual prominent spatial features
  5. Region = bounded geographic footprintProminence -&gt; e.g., visual salience, have been previously studied for the identification of individual prominent spatial features
  6. Region = bounded geographic footprintProminence -&gt; e.g., visual salience, have been previously studied for the identification of individual prominent spatial features
  7. Region = bounded geographic footprintProminence -&gt; e.g., visual salience, have been previously studied for the identification of individual prominent spatial features
  8. Region = bounded geographic footprintProminence -&gt; e.g., visual salience, have been previously studied for the identification of individual prominent spatial features
  9. Region = bounded geographic footprintProminence -&gt; e.g., visual salience, have been previously studied for the identification of individual prominent spatial features