What is DI?

[Paramvir Singh]

A DISCREET PERSPECTIVE ON HOW THE DIGITAL INTERMEDIATE PROCESS IS OFFERING FILMMAKERS  POWERFUL NEW CREATIVE OPPORTUNITIES,  ESPECIALLY IN THE AREA OF COLOR GRADING 
This paper focuses on the digital post-production of film, and in particular digital intermediates,  with particular emphasis on the color grading / color correction process.  It will attempt to  explain how recent developments in digital technology have impacted this highly creative  part of the filmmaking process, offering artists and filmmakers new options when creating  their visual art. ABSTRACT

From Discreet Media (now called Autodesk)