The primary goals of the meeting were to review the work that was performed in the interim period since the fourteenth JCT-VC meeting in producing the 12th HEVC Test Model (HM12) software and text, review the results from three interim Core Experiments on range extensions (RCEx) and four Core Experiments on scalable extensions (SCEx), and review technical input documents. Important topics of the meeting were the review of progress made towards definitions of Scalable HEVC (SHVC) extensions and range extensions into higher bit depths and non-4:2:0 colour sampling. Advancing the work on development of conformance and reference software for HEVC and its extensions is also a significant goal. Needs for corrections to version 1 were also considered, and a verification test plan was set up for HEVC version 1 performance testing.
