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  4. Saliency-driven Black Point Compensation
 
conference paper

Saliency-driven Black Point Compensation

Lindner, Albrecht  
•
Bonnier, Nicolas
•
Süsstrunk, Sabine  
2011
Proceedings SPIE
IS&T / SPIE Electronic Imaging, Color Imaging XVI: Display, Processing, Hardcopy, and Applications

We present a novel framework for automatically determining whether or not to apply black point compensation (BPC) in image reproduction. Visually salient objects have a larger influence on determining image quality than the number of dark pixels in an image, and thus should drive the use of BPC. We propose a simple and efficient algorithmic implementation to determine when to apply BPC based on low-level saliency estimation. We evaluate our algorithm with a psychophysical experiment on an image data set printed with or without BPC on a Canon printer. We find that our algorithm is correctly able to predict the observers’ preferences in all cases when the saliency maps are unambiguous and accurate.

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