Hdr Panoramic Photography

6,023 views
5,705 views

Published on

My presentation from PhotoCampHouston on HDR Panoramic Photography on January 24, 2009 at the Houston Technology Center.

Published in: Technology
0 Comments
9 Likes
Statistics
Notes
  • Be the first to comment

No Downloads
Views
Total views
6,023
On SlideShare
0
From Embeds
0
Number of Embeds
95
Actions
Shares
0
Downloads
226
Comments
0
Likes
9
Embeds 0
No embeds

No notes for slide

Hdr Panoramic Photography

  1. HDR Panoramic Photography
  2. Introduction <ul><li>Houston </li></ul><ul><li>Texas A&M University </li></ul><ul><ul><li>Studied Architecture and Visualization Sciences </li></ul></ul><ul><li>IT Consultant </li></ul><ul><li>Architectural Photographer </li></ul><ul><li>@dvmorris </li></ul><ul><li>dvmorris@gmail.com </li></ul><ul><li>http://dave.showviz.net/ </li></ul><ul><li>http://topmod3d.org/ </li></ul>
  3. HDR Photography <ul><li>Set of Techniques with origins dating back to 1850s </li></ul><ul><li>Allows greater ranges of luminance between light and dark areas of an image </li></ul><ul><li>Achieve details in the highlights and shadows of an image at the same time </li></ul>
  4. Under and Overexposed Images
  5. Viewing Problem <ul><li>Traditional screens (CRTs, LCDs) and printers display a low dynamic range (LDR) of luminance (300 levels) </li></ul><ul><li>Human eyes have a high dynamic range of luminance detection (50,000 levels) </li></ul><ul><li>We don’t have a good way to view real HDR images (yet) </li></ul>
  6. Tone Mapping <ul><li>Until display and print technology catches up we have to map HDR images to LDR images </li></ul><ul><li>Global and local algorithms </li></ul><ul><li>Tries to balance strong contrast reduction and image details in shadows/highlights </li></ul>
  7. Tone Mapping Demo
  8. Panoramic Photography <ul><li>Elongated field of view (160° x 75° or greater) </li></ul><ul><li>Techniques dating back to 1850s </li></ul><ul><li>Rotate camera about the nodal point </li></ul><ul><ul><li>the optical point from which the focal length is measured </li></ul></ul><ul><li>Eliminate parallax </li></ul>
  9. Panoramic Photography <ul><li>Gigapan.org </li></ul>
  10. Panoramic Photography <ul><li>Xrez.com </li></ul>
  11. Panoramic Photography <ul><li>Me </li></ul>
  12. Panoramic Photography <ul><li>Me </li></ul>
  13. Panoramic Photography <ul><li>Me </li></ul>
  14. HDR Panorama Demo <ul><li>Stuff </li></ul><ul><ul><li>DSLR Camera with manual settings (and AEB!) </li></ul></ul><ul><ul><li>IR Remote Control </li></ul></ul><ul><ul><li>Tripod </li></ul></ul><ul><ul><li>Nodal Ninja </li></ul></ul><ul><li>Software </li></ul><ul><ul><li>Autodesk (REALViz) Stitcher </li></ul></ul><ul><ul><li>Photomatix HDRSoft </li></ul></ul><ul><ul><li>Bulk Rename Utility </li></ul></ul>
  15. Other Tools <ul><li>Paid HDR Software </li></ul><ul><ul><li>Photomatix, Dynamic Photo HDR, Enfuse for Lightroom </li></ul></ul><ul><li>Open Source HDR Software </li></ul><ul><ul><li>Qtpfsgui, Picturenaut, FDRTools Basic, Essential HDR </li></ul></ul><ul><li>Paid Panoramic Software </li></ul><ul><ul><li>Autodesk Stitcher, PTGui, Photoshop </li></ul></ul><ul><li>Open Source Panoramic Software </li></ul><ul><ul><li>Panotools, PTStitcher </li></ul></ul>
  16. Questions?

×