Dynamic Backlight Adaptation for Low-Power Handheld Devices
IEEE Design & Test
DLS: dynamic backlight luminance scaling of liquid crystal display
IEEE Transactions on Very Large Scale Integration (VLSI) Systems
HEBS: Histogram Equalization for Backlight Scaling
Proceedings of the conference on Design, Automation and Test in Europe - Volume 1
DTM: dynamic tone mapping for backlight scaling
Proceedings of the 42nd annual Design Automation Conference
Backlight dimming in power-aware mobile displays
Proceedings of the 43rd annual Design Automation Conference
Minimization for LED-backlit TFT-LCDs
Proceedings of the 43rd annual Design Automation Conference
Quality-based backlight optimization for video playback on handheld devices
Advances in Multimedia
EMSOFT '08 Proceedings of the 8th ACM international conference on Embedded software
EMSOFT '09 Proceedings of the seventh ACM international conference on Embedded software
Image enhancement for backlight-scaled TFT-LCD displays
IEEE Transactions on Circuits and Systems for Video Technology
Proceedings of the 42nd Annual IEEE/ACM International Symposium on Microarchitecture
Characterizing and modeling user activity on smartphones: summary
Proceedings of the ACM SIGMETRICS international conference on Measurement and modeling of computer systems
HVS-aware dynamic backlight scaling in TFT-LCDs
IEEE Transactions on Very Large Scale Integration (VLSI) Systems
Power minimization in a backlit TFT-LCD display by concurrent brightness and contrast scaling
IEEE Transactions on Consumer Electronics
Image quality assessment: from error visibility to structural similarity
IEEE Transactions on Image Processing
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With the increasing variety of mobile applications, reducing the energy consumption of mobile devices is a major challenge in sustaining multimedia streaming applications. This paper explores backlight scaling, which is deemed a promising technical solution. First, we model the problem as a dynamic backlight scaling optimization problem. The objective is to minimize the energy consumption of the backlight when displaying a video stream without adversely impacting the user's visual perception. Then, we propose a dynamic-programming algorithm to solve the fundamental problem and prove its optimality in terms of energy savings. Finally, based on the algorithm, we consider implementation issues. We have also developed a prototype implementation integrated with existing video streaming services to validate the practicability of the approach. The results of experiments conducted to demonstrate the efficacy of the proposed algorithm are very encouraging.