CS 766 Computer Vision Assignment 1: High Dynamic Range (HDR)

 Saikat R. Gomes (saikat@cs.wisc.edu) & Stephen Lazzaro (slazzaro@cs.wisc.edu)

Contents

  1. Home
  2. Introduction
  3. Implementation
    1. Image Acquisition
    2. Simple Pixel Averaging
    3. Response Curves
    4. Tone Mapping (Matlab)
    5. Reinhard's Local Tone Mapping
    6. Reinhard's Global Tone Mapping
    7. Ward's Algorithm
  4. Results Comparison 1
  5. Results Comparison 2
  6. Results of Ward's Algo
  7. Datasets
  8. Code
  9. Git Logs
  10. References
Actual Datasets can be found here


Original Image 1

Exposure Time: 1/1600 sec.
Aperture Value: 8.00 EV (f/16.0)
ISO Speed Rating: 400
Focal Length: 32.0 mm

Original Image 2

Exposure Time: 1/400 sec.
Aperture Value: 8.00 EV (f/16.0)
ISO Speed Rating: 400
Focal Length: 32.0 mm

Original Image 3

Exposure Time: 1/100 sec.
Aperture Value: 8.00 EV (f/16.0)
ISO Speed Rating: 400
Focal Length: 32.0 mm

Original Image 1

Exposure Time: 4 sec.
Aperture Value: 8.92 EV (f/22.0)
ISO Speed Rating: 100
Focal Length: 15.0 mm

Original Image 2

Exposure Time: 1.6 sec.
Aperture Value: 8.92 EV (f/22.0)
ISO Speed Rating: 100
Focal Length: 15.0 mm

Original Image 3

Exposure Time: 1 sec.
Aperture Value: 8.92 EV (f/22.0)
ISO Speed Rating: 100
Focal Length: 15.0 mm
Special thanks to Abhishek Chandra of AbhiChandra Photography for allowing us to use his images.