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Tone mapping using color correction function and image decomposition in high dynamic range imaging

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3 Author(s)
Ji Won Lee ; Sogang University, Korea ; Rae-Hong Park ; Soonkeun Chang

In this paper, we propose a tone mapping (TM) method using color correction function (CCF) and image decomposition in high dynamic range (HDR) imaging. The CCF in the proposed TM is derived from the luminance compression function with the color constraint under which the color ratios, between the three color channels of the radiance map and dynamic range compression term, are preserved and color saturation is controlled. The proposed CCF is developed to locally perform the luminance compression and color saturation control in local TM. For image decomposition, we use a bilateral filter and apply the adaptive weight to the base layer of the luminance. Computer simulations with various sets of real, low dynamic range images show the effectiveness of the proposed TM algorithm in terms of the visual quality as well the local contrast. It can be used for contrast and color enhancement in various display and acquisition devices.

Published in:

IEEE Transactions on Consumer Electronics  (Volume:56 ,  Issue: 4 )