The young London-based alternative video compression vendor V-Nova has found its feet as an enhancer of existing established codecs like HEVC rather than as a replacement for them and is now gaining some traction at both ends of the quality spectrum. Its Perseus technology was launched on April Fool’s day 2015 and in the ensuing four years we have all been trying to work out whether the joke is on V-Nova or critics, which come mostly from the legacy camp. The answer is somewhere in between since Perseus has failed to dislodge the incumbents except sometimes in video contribution but has carved out a significant niche by reducing bit rates achieved at a given level of video quality by up…