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access icon free Accurate power model for mobile AMOLED displays

The display is a dominant power-consuming component in mobile devices. The active matrix organic light-emitting diode (AMOLED) display has been popular in mobile devices and its accurate power model is crucial for efficient power management. Existing power models do not consider the behaviours of the driving hardware components of AMOLED display modules. A new power model is proposed which considers the efficiency of an AMOLED DC–DC converter and the dependency of the driving circuits in a commercial AMOLED display module, and thus estimates an accurate power consumption value. Through extensive experiments using three well-known image databases, the proposed power model is found to have lower error rates than the existing pixel-based one for all the databases. Especially, for bright images the error rate of the new model amounts to only 0.59%, whereas that of the existing one is 8.48%.

References

    1. 1)
      • 4. Kim, D.W., Jung, W.W., Cha, H.J.: ‘Runtime power estimation of mobile AMOLED displays’. Design, Automation and Test in Europe Conf., Grenoble, France, March 2013, pp. 6164, doi: 10.7873/DATE.2013.027.
    2. 2)
      • 8. Media Information and Communication Technology Lab: ‘MICT image quality evaluation database’. Available at http://www.mict.eng.u-toyama.ac.jp/mictdb.html, accessed October 2014.
    3. 3)
      • 10. California Institute of Technology: ‘Caltech-256 object category dataset’. Available at http://www.vision.caltech.edu/Image_Datasets/Caltech256/, accessed October 2014.
    4. 4)
      • 3. Wang, J., Lin, X., North, C.: ‘GreenVis: energy-saving color schemes for sequential data visualization on OLED displays’. Technical Report, Department of Computer Science, Virginia Tech, 2012.
    5. 5)
      • 7. National Instruments: ‘DAQ: NI USB-6210’. Available at http://www.sine.ni.com/nips/cds/view/p/lang/en/nid/203223, accessed October 2014.
    6. 6)
      • 1. Carroll, A., Heiser, G.: ‘An analysis of power consumption in a smartphone’. USENIX ATC, Berkeley, CA, USA, June 2010.
    7. 7)
      • 2. Dong, M., Choi, Y.S., Zhong, L.: ‘Power modeling of graphical user interfaces on OLED displays’. Design Automation Conf., San Francisco, CA, USA, July 2009, pp. 652657, doi: 10.1145/1629911.1630084.
    8. 8)
      • 6. CHI MEI: ‘C0240QGLA-T: Approval product specification’. Available at http://www.html.alldatasheet.com/html-pdf/317814/AZDISPLAYS/C0240QGLA-T/604/1/C0240QGLA-T.html, accessed October 2014.
    9. 9)
      • 5. Texas Instruments: ‘TPS65138: Dual output AMOLED display power supply’. Available at http://www.ti.com/lit/ds/symlink/tps65138.pdf, accessed October 2014.
    10. 10)
      • 9. Computational Perception and Image Quality Lab: ‘The CSIQ image database’. Available at http://www.vision.okstate.edu/csiq, accessed October 2014.
http://iet.metastore.ingenta.com/content/journals/10.1049/el.2014.3875
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