7B_3_Matterhorn on the horizon

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  • Region = bounded geographic footprintProminence -> e.g., visual salience, have been previously studied for the identification of individual prominent spatial features
  • Region = bounded geographic footprintProminence -> e.g., visual salience, have been previously studied for the identification of individual prominent spatial features
  • Region = bounded geographic footprintProminence -> e.g., visual salience, have been previously studied for the identification of individual prominent spatial features
  • Region = bounded geographic footprintProminence -> e.g., visual salience, have been previously studied for the identification of individual prominent spatial features
  • Region = bounded geographic footprintProminence -> e.g., visual salience, have been previously studied for the identification of individual prominent spatial features
  • Region = bounded geographic footprintProminence -> e.g., visual salience, have been previously studied for the identification of individual prominent spatial features
  • Region = bounded geographic footprintProminence -> e.g., visual salience, have been previously studied for the identification of individual prominent spatial features
  • Region = bounded geographic footprintProminence -> e.g., visual salience, have been previously studied for the identification of individual prominent spatial features
  • Region = bounded geographic footprintProminence -> e.g., visual salience, have been previously studied for the identification of individual prominent spatial features
  • 7B_3_Matterhorn on the horizon

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

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