Power Minimization in a Backlit TFT-LCD Display by Concurrent Brightness and Contrast Scaling
Proceedings of the conference on Design, automation and test in Europe - Volume 1
Temporal vision-guided energy minimization for portable displays
Proceedings of the 2006 international symposium on Low power electronics and design
EMSOFT '09 Proceedings of the seventh ACM international conference on Embedded software
An analysis of power consumption in a smartphone
USENIXATC'10 Proceedings of the 2010 USENIX conference on USENIX annual technical conference
Visual quality analysis for dynamic backlight scaling in LCD systems
Proceedings of the Conference on Design, Automation and Test in Europe
Power consumption breakdown on a modern laptop
PACS'04 Proceedings of the 4th international conference on Power-Aware Computer Systems
Image quality assessment: from error visibility to structural similarity
IEEE Transactions on Image Processing
Saliency aware display power management
Proceedings of the Conference on Design, Automation and Test in Europe
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An LED-based BLU architecture has enabled local dimming, which can produce higher power saving than global dimming in LCD-based devices. However, existing local dimming techniques have not considered human visual system-awareness much. In this paper, we propose a novel local dimming technique using an object-based approach for both good human visuality and high power saving. We utilize prevalent colors of individual objects in a given image to do initial dimming, and then enhance the image using a proper fidelity threshold to reduce visible artifacts. Experimental results show that the proposed technique achieves power saving up to 12 and 5.5 times higher than a prior human visual system-aware global dimming approach and a well-designed local dimming one, respectively.