SIGGRAPH 2012 Computational Plenoptic Imaging Course - 2 High Dynamic Range Imaging
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The document discusses high dynamic range (HDR) imaging and its advantages over conventional cameras which have limited dynamic ranges. It explains different techniques for HDR imaging, including taking multiple exposures of the same scene at different exposure levels and fusing them, trading spatial or temporal resolution by using pixel mosaics or arrays of neutral density filters, and using multiple cameras. The document also covers HDR encoding and applications such as capture, display, tone mapping, image-based lighting, and visible difference prediction.
![Multi-Exposure Imaging:
Trading Temporal Resolution
Exposure Sequence
Radiance Map Tonemapped Image
[Debevec & Malik 97] Wolfgang Heidrich](https://image.slidesharecdn.com/part2-hdr-120818201412-phpapp01/85/SIGGRAPH-2012-Computational-Plenoptic-Imaging-Course-2-High-Dynamic-Range-Imaging-7-320.jpg)
![Trading Spatial Resolution:
Assorted Pixels
ND filter arrays
Conventional Camera SVE Camera SVE Reconstruction
[Nayar and Mitsunaga 00,Narasimhan and Nayar 05] Wolfgang Heidrich](https://image.slidesharecdn.com/part2-hdr-120818201412-phpapp01/85/SIGGRAPH-2012-Computational-Plenoptic-Imaging-Course-2-High-Dynamic-Range-Imaging-8-320.jpg)
![Fourier-based Reconstruction
Low dynamic range Low dynamic range
Our reconstruction Our reconstruction
Ground truth Ground truth [Wetzstein et al. 10]
Wolfgang Heidrich](https://image.slidesharecdn.com/part2-hdr-120818201412-phpapp01/85/SIGGRAPH-2012-Computational-Plenoptic-Imaging-Course-2-High-Dynamic-Range-Imaging-9-320.jpg)
![Multiple Sensors
Exposure Sequence &Tonemapped Image
[McGuire et al. 07] Wolfgang Heidrich](https://image.slidesharecdn.com/part2-hdr-120818201412-phpapp01/85/SIGGRAPH-2012-Computational-Plenoptic-Imaging-Course-2-High-Dynamic-Range-Imaging-10-320.jpg)
![General Encodings
[Rouf et al. 11]
Wolfgang Heidrich](https://image.slidesharecdn.com/part2-hdr-120818201412-phpapp01/85/SIGGRAPH-2012-Computational-Plenoptic-Imaging-Course-2-High-Dynamic-Range-Imaging-11-320.jpg)
SIGGRAPH 2012 Computational Plenoptic Imaging Course - 2 High Dynamic Range Imaging
- 2. High Dynamic Range Imaging SIMULTANEOUSLY VISIBLE DYNAMIC RANGE CONVENTIONAL CAMERAS Wolfgang Heidrich
- 3. What is HDR? http://en.wikipedia.org/wiki/High-dynamic-range_imaging Wolfgang Heidrich
- 4. Commercial HDR Cameras Grass Valley Viper Spheron Panavision Genesis Wolfgang Heidrich
- 5. Commercial HDR Cameras no with no with pixim pixim pixim pixim Wolfgang Heidrich
- 6. HDR with Standard Sensors HDRI with Standard Sensors Trading for Temporal Resolution Trading for Spatial Resolution Multiple Sensors Generalized Encodings Wolfgang Heidrich
- 7. Multi-Exposure Imaging: Trading Temporal Resolution Exposure Sequence Radiance Map Tonemapped Image [Debevec & Malik 97] Wolfgang Heidrich
- 8. Trading Spatial Resolution: Assorted Pixels ND filter arrays Conventional Camera SVE Camera SVE Reconstruction [Nayar and Mitsunaga 00,Narasimhan and Nayar 05] Wolfgang Heidrich
- 9. Fourier-based Reconstruction Low dynamic range Low dynamic range Our reconstruction Our reconstruction Ground truth Ground truth [Wetzstein et al. 10] Wolfgang Heidrich
- 10. Multiple Sensors Exposure Sequence &Tonemapped Image [McGuire et al. 07] Wolfgang Heidrich
- 11. General Encodings [Rouf et al. 11] Wolfgang Heidrich
- 12. More on HDR Imaging • HDR image / video encoding • capture, display, tone reproduction • visible difference predictors • image based lighting, etc. Wolfgang Heidrich