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ITU Journal: ICT Discoveries, Vol. 3(1), June 2020



          –   encoding  and  decoding  complexity  for  the    [8]   Z. Li, A. Aaron, I. Katsavounidis, A. Moorthy,
              aggregate full resolution video (i.e., base plus       and M. Manohara (2016), “Toward A Practical
              enhancement) shall be comparable with that of          Perceptual  Video  Quality  Metric”,  Netflix
              the  base  encoder  or  decoder,  respectively,        Technology Blog, 06 Jun. [Online]. Available:
              when used alone at full resolution.                    https://netflixtechblog.com/toward-a-
                                                                     practical-perceptual-video-quality-metric-
          LCEVC  requirements  were  driven  by  commercial
          needs  put  forward  to  MPEG  by  many  leading           653f208b9652.
          industry  experts,  highlighting  the  imporance  of   [9]   Z.  Li  et  al.  (2018),  “VMAF:  The  Journey
          making available a similar coding tool.                    Continues”, Netflix Technology Blog, 25 Oct.
                                                                     [Online].
          As  such,  LCEVC  seems  capable  of  satisfying
          important  commercial  needs  and,  in  combination        Available: https://netflixtechblog.com/vmaf-
          with its relative ease of deployment, have a rapid         the-journey-continues-44b51ee9ed12.
          impact on multiple segments of the video delivery    [10]  G.  Bjøntegaard  (2001),  “Calculation  of
          landscape.                                                 average    PSNR     differences   between
                                                                     RD-curves”, ITU-T VCEG-M33.
          REFERENCES
                                                               [11]  Recommendation  ITU-R  BT.2095-1,  (2017),
          [1]   “Draft  Text  of  ISO/IEC  DIS  23094-2,  Low        “Subjective assessment of video quality using
               Complexity  Enhancement  Video  Coding”,              expert viewing protocol”.
               ISO/IEC JTC1/SC29/WG11 N18986, Brussels,        [12]  I.  Katsavounidis  and  L.  Guo  (2018),  “Video
               BE, Jan. 2020.                                        codec  comparison  using  the  dynamic
          [2]   “Market  needs  and  requirements  for               optimizer framework,” Applications of Digital
               software-based capability extension on top of         Image Processing XLI, vol. 10752, Sep.
               existing  and  future  video  codecs”,  in      [13]  Z.  Wang,  A.  C.  Bovik,  H.  R.  Sheikh,  and
               ISO/IEC JTC1/SC29/WG11  M44832,  Macao,               E. P. Simoncelli  (2004),  “Image  Quality
               CN, Oct. 2018.
                                                                     Assessment:  From  Error  Visibility  to
          [3]   T. Wiegand, G. J. Sullivan, G. Bjøntegaard, and      Structural  Similarity,”  IEEE  Transactions  on
               A. Luthra   (2003),   “Overview    of   the           Image Processing, vol. 13, no. 4, pp. 600–612,
               H.264/AVC  video  coding  standard”,  IEEE            Apr.
               Transactions  on  Circuits  and  Systems  for   [14]  J.-S.  Lee,  F.  De  Simone,  T.  Ebrahimi,
               Video Technology, vol. 13, no. 7, pp. 560–576,        N. Ramzan, and E. Izquierdo (2012), “Quality
               Jul.                                                  assessment    of   multidimensional   video
          [4]   G.  J.  Sullivan,  J.-R.  Ohm,  W.-J.  Han,  and     scalability,” IEEE Communications Magazine,
               T. Wiegand  (2013),  “Overview  of  the  High         vol. 50, no. 4, pp. 38–46, Apr.
               Efficiency  Video  Coding  (HEVC)  Standard”,   [15]  A. Aaron, Z. Li, M. Manohara, J. De Cock and
               IEEE  Transactions  on  Circuits  and  Systems        D. Ronca    (2015),    “Per-Title   Encode
               for Video Technology, vol. 22, no. 12, Jan.
                                                                     Optimization”,  Netflix  Technology  Blog,
          [5]   “LTM:  Test  model  of  low  complexity              14 Dec. [Online].
               enhancement video coding”, MPEG Git, 2020.            Available:  https://netflixtechblog.com/per-
               [Online]. Available: http://mpegx.int-evry.fr/        title-encode-optimization-7e99442b62a2.
               software/MPEG/LCEVC/LTM.                        [16]  “Requirements for Low Complexity Video

          [6]   K.   Suehring,   “H.264/AVC     Software”,           Coding Enhancements”,
               Fraunhofer Heinrich Hertz Institute. [Online].        ISO/IEC JTC1/SC29/WG11 N18098, Macao,
               Available: http://iphome.hhi.de/suehring/.            CN, Oct. 2018.
          [7]   “High  Efficiency  Video  Coding  (HEVC)”,
               Fraunhofer Heinrich Hertz Institute. [Online].
               Available: https://hevc.hhi.fraunhofer.de/.










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