Versatile high dynamic range coding for high efficient transmission

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High dynamic range (HDR) images have more details than conventional images therefore it is expected to apply to object detection, object tracking or flaw detection. Most of multi-layer HDR coding techniques, however, cannot achieve both improving accuracy of them and high coding efficiency.This research proposed invertible tone-mapping technique which can improve the accuracy of SIFT object tracking. We achieved a high efficient multi-layer HDR coding by using invertibility of tone-mapping, and it can selectively decode two types of tone-mapping effects: edge-preserving smoothing effect for object detection and detail enhancement effect for object tracking.