ИСТИНА

Dr. Dmitriy Vatolin is the Head of the Moscow State University Graphics and Media Lab, the publisher of an increasing array of codec and encoder comparison reports during last 18 years. As such, he has unparalleled insights into objective and subjective metrics and codec quality. We asked him to comment on a variety of topics, including the accuracy of objective metrics and the status of VMAF hacking. We're pleased to publish his responses.