• Efficient Cloud Provisioning for Video Transcoding: Review, Open Challenges and Future Opportunities 

      Koziri M.G., Papadopoulos P.K., Tziritas N., Loukopoulos T., Khan S.U., Zomaya A.Y. (2018)
      Video transcoding is the process of encoding an initial video sequence into multiple sequences of different bitrates, resolutions, and video standards, so that it can be viewed on devices of various capabilities and with ...
    • Fast Rules to Speedup HEVC to VVC Transcoding 

      Panagou N., Belememis P., Papadopoulos P.K., Koziri M., Loukopoulos T. (2021)
      With the advent of the newly introduced Versatile Video Coding Standard (VVC) the need for converting legacy content from its widely used predecessor, High Efficiency Video Coding (HEVC), to the new format has emerged due ...
    • MEC-Assisted panoramic VR video streaming over millimeter wave mobile networks 

      Liu Y., Liu J., Argyriou A., Ci S. (2019)
      Panoramic virtual reality video (PVRV) is becoming increasingly popular since it offers a true immersive experience. However, the ultra-high resolution of PVRV requires significant bandwidth and ultra-low latency for PVRV ...
    • On planning the adoption of new video standards in social media networks: a general framework and its application to HEVC 

      Koziri M., Papadopoulos P.K., Tziritas N., Dadaliaris A.N., Loukopoulos T., Stamoulis G.I. (2017)
      In recent years, we have witnessed an explosion in the growth of social media networks, powered by the proliferation of handheld smart devices with high processing capabilities and a plethora of sensors including high-resolution ...
    • QoE-Aware Edge Computing Through Service Function Chaining 

      Foukalas F., Tziouvaras A. (2022)
      Mobile multimedia Internet services, such as mobile virtual reality (VR), request for advanced quality of experience (QoE) provision. In the future Internet, such a QoE provision will be leveraged through edge computing, ...
    • Scheduling Video Transcoding Jobs in the Cloud 

      Oikonomou P., Koziri M.G., Tziritas N., Dadaliaris A.N., Loukopoulos T., Stamoulis G.I., Khan S.U. (2018)
      Video transcoding is the process of producing from an original (already encoded) input video sequence, multiple output sequences, each at potentially different bitrate, resolution and/or format. Transcoding is essential ...