Our HDR compression method essentially boosts small local contrasts. Thus, it may be used to enhance ordinary images. Here's a comparison with several enhancement techniques (click to enlarge). |
Original image: |
Our method: | Gamma correction (sky is washed out): |
Histogram equalization (loss of contrast): | Adaptive histogram equalization (halo artifacts): |
Here another example of image enhancement (a typical problem with scenes containing both sunlit and shadowed regions): |
Original image: | Enhanced using HDR compression: |
Another example (a fluoroscopic femur image): |
Original image: |
Enhanced using HDR compression: | Gamma corrected: |