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

Response Curves

The camera response curve was estimated by solving the SVD. Below are recovered response curves from 2 sets of images on the same camera with a 'smoothness' factor applied=50.
Image Set 1


Recovered Response Curves (R,G,B)
Image Set 2


Recovered Response Curves (R,G,B)
Special thanks to Abhishek Chandra of AbhiChandra Photography for allowing us to use his images.