An integer tone mapping operation for hdr images expressed in floating point data

@article{Murofushi2013AnIT,
  title={An integer tone mapping operation for hdr images expressed in floating point data},
  author={Tatsuya Murofushi and Masahiro Iwahashi and Hitoshi Kiya},
  journal={2013 IEEE International Conference on Acoustics, Speech and Signal Processing},
  year={2013},
  pages={2479-2483}
}
This report proposes a new tone mapping operation which is implemented in integer input and integer output. A tone mapping operation (TMO) generates a low dynamic range (LDR) image from a high dynamic range (HDR) image. Since pixel values of an HDR image are generally expressed in a floating point data format, e.g. RGBE, OpenEXR, a TMO is also implemented in floating point calculations in conventional approaches. However, it requires huge memory resources, even though a resulting LDR image is… CONTINUE READING
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