Now showing items 1-7 of 7

  • Complexity management for video encoders. 

    Zhao, Yafan (Robert Gordon University School of Engineering, 2004-03)
    ZHAO, Y. and RICHARDSON, I. E. G., 2003. Macroblock classification for complexity management of video encoders. Signal Processing: Image Communication, 18 (9), pp. 801-811
     
    RICHARDSON, I. E. G. and ZHAO, Y., 2002. Adaptive management of video encoder complexity. Journal of Real-Time Imaging, 8 (4), pp. 291-301
     
    ZHAO, Y. and RICHARDSON, I. E. G., 2003. Macroblock skip-mode prediction for complexity control of video encoders. In: Proceedings of the IEEE Visual Information Engineering. 7-9 July 2003. Surrey. pp. 5-8
     
    ZHAO, Y. and RICHARDSON, I. E. G., 2003. Macroblock classification for video encoder complexity management. In: Proceedings of International Picture Coding Symposium. 23-25 April 2003. Saint-Malo. pp. 371-376
     
    ZHAO, Y. and RICHARDSON, I. E. G., 2002. Complexity management for video encoders. In: Doctoral Symposium, ACM Multimedia Conference. 1-6 December 2002. Juan Les Pins. pp. 647-649
     
    ZHAO, Y., MUIR, L. and RICHARDSON, I. E. G., 2002. Implementing MPEG-4 Visual in software. In: IEE Seminar on Visual Media Standards. 25 April 2002.
     
    ZHAO, Y. and RICHARDSON, I. E. G., 2002. Computational complexity management of motion estimation in video encoders. In: IEEE Data Compression Conference. 2-4 April 2002. Snowbird, UT. p. 483
     
    RICHARDSON, I. E. G. and ZHAO, Y., 2001. Adaptive algorithms for variable-complexity video coding. In: Proceedings of the Internal Conference on Image Processing. 7-10 October 2001. Thessaloniki, Greece. pp. 457-460
     
    RICHARDSON, I. E. G. and ZHAO, Y., 2001. Video CODEC complexity management. In: Proceedings of the Picture Coding Symposium. 25-27 April 2001. Seoul, Korea. pp. 267-270
     
    RICHARDSON, I. E. G. and ZHAO, Y., 2004. Macroblock Classification for Complexity Management of Video Encoders. UK patent application 0229354.6, filed 18 December 2002
     
    Software implementation of block-based video coding standards has been used in a wide range of applications. In many cases, such as real-time multimedia systems or power-constrained systems, the coding performance of ...
  • Complexity management of H.264/AVC video compression. 

    Kannangara, Chaminda Sampath (The Robert Gordon University School of Engineering, 2006-10)
    KANNANGARA, C.S., RICHARDSON, I.E.G., BYSTROM, M., ZHAO, Y., SOLERA, J., MACLENNAN, A. and COONEY, R., 2006. Low complexity skip prediction for H.264 through Lagrangian cost estimation. IEEE Transactions on Circuits and Systems for Video Technology, 16(2), pp. 202-208
     
    RICHARDSON, I.E.G. and KANNANGARA, C.S., 2004. Fast subjective video quality measurement with user feedback. IEE Electronic Letters, 40(13), pp.799-800.
     
    KANNANGARA, C.S., RICHARDSON, I.E.G. and MILLER, A.J., 2008. Computational complexity managemen of real-time H.264/AVC encoder. IEEE Transactions on Circuits and Systems for Video Technology, 18(9), pp. 1191-1200.
     
    KANNANGARA, C.S., RICHARDSON, I.E.G. and MILLER, A.J., 2006. Computational management of an H.264 encoder. In: PCS 2006, Beijing, China, 24-26 April 2006.
     
    KANNANGARA, C.S. and RICHARDSON, I.E.G., 2005. Computational control of an H.264 encoder through Lagrangian cost function estimation. In: VLBV 2005, Sardinia, Italy, 15-16 September 2005
     
    KANNANGARA, C.S., RICHARDSON, I.E.G., BYSTROM, M., SOLERA, J., ZHAO, Y., MACLENNAN, A. and COONEY, R., 2005. Complexity reduction of H.264 using Lagrange optimization methods. In: IEE VIE 2005, Glasgow, 4-6 April 2005.
     
    KANNANGARA, C.S., RICHARDSON, I.E.G. and ZHAO, Y., 2004. H.264 complexity management using macroblock skip-mode prediction. In: PGNet, Liverpool, 28-29 June 2004
     
    RICHARDSON, I.E.G. and KANNANGARA, C.S., 2005. Encoder control system. UK Patent application 0524663.2, December 2005.
     
    RICHARDSON, I.E.G. and KANNANGARA, C.S., 2005. Subjective video quality measurement with user feedback. European patent application EP20050252018, 2005.
     
    The H. 264/AVC video coding standard offers significantly improved compression efficiency and flexibility compared to previous standards. However, the high computational complexity of H. 264/AVC is a problem for codecs ...
  • Gaze tracking and its application to video coding for sign language. 

    Muir, Laura J.; Richardson, I. E. G.; Leaper, Steven (IEEE, 2003)
    MUIR, L., RICHARDSON, I., LEAPER, S., 2003. Gaze tracking and its application to video coding for sign language. In: Proceedings of Picture Coding Symposium 2003. 23-25 May 2003. Piscataway, NJ: IEEE. pp. 321-325.
    Sign language communication via videotelephone has demanding visual quality requirements. In order to optimise video coding for sign language it is necessary to quantify the importance of areas of the video scene. Eye ...
  • A new video quality metric for compressed video. 

    Bhat, Abharana Ramdas (Robert Gordon University School of Engineering, 2012-02)
    Video compression enables multimedia applications such as mobile video messaging and streaming, video conferencing and more recently online social video interactions to be possible. Since most multimedia applications are ...
  • Perceptions of sign language and its application to visual communications for deaf people. 

    Muir, Laura J.; Richardson, I. E. G. (Oxford University Press http://dx.doi.org/10.1093/deafed/eni037, 2005)
    MUIR, L.J. and RICHARDSON, I.E.G., 2005. Perceptions of sign language and its application to visual communications for deaf people. Journal of Deaf Studies and Deaf Education, 10 (4), pp. 390-401
    Video communication systems for deaf people are limited in terms of quality and performance, particularly at low bit rates. Analysis of visual attention mechanisms for sign language may enable optimisation of video coding ...
  • Video telephony for the deaf : analysis and development of an optimised video compression product. 

    Muir, Laura J.; Richardson, I. E. G. (Blackwell http://doi.acm.org/10.1145/641007.641137, 2002-12)
    MUIR, L.J. and RICHARDSON, I.E.G. 2002. Video telephony for the deaf: analysis and development of an optimised video compression product. In: Proceedings of the Tenth ACM International Multimedia Conference. 1-6 December 2002. Juan-Les-Pins, France. pp. 650-652
    The multimedia capability of video telephony and video conferencing systems has many applications and benefits. This paper describes research and development that aims to optimise video compression systems for a specific ...
  • Visual perception of content-prioritised sign language video quality. 

    Muir, Laura J.; Richardson, I. E. G.; Hamilton, K. (IET, 2005-01)
    MUIR, L. J., RICHARDSON, I. E. G. and HAMILTON, K., 2005. Visual perception of content-prioritised sign language video quality. In: Visual Information Engineering : The IEE International Conference on Visual Information Engineering (VIE 2005). January 2005. Stevenage: IET, pp. 17-22.
    Video communication systems currently provide poor quality and performance for deaf people using sign language, particularly at low bit rates. Our previous work, involving eye movement tracking experiments and analysis ...