A method of compression that will allow the complete original material to be recreated. For digital video, lossless compression techniques don’t do much to save disk space, so lossy compressions should be used.
This glossary definition is more "encoding advise" than a "strict definition" of the phrase "lossless compression".
IS there such a thing as "lossless compression" as it pertains to video ? If so, what might that be ? I think people would be interested in knowing what alternatives there might be, even if they are not advisable to use.