The ITU Radiocommunication Assembly considering a) that extremely high resolution imagery (EHRI) could be used as future imaging systems in various fields, such as computer graphics, printing, medical, industrial, educational, and television for image capture, processing, distribution, satellite and terrestrial broadcasting, and so on; b) that for constructing such systems, it is necessary to consult with many experts in various related fields; c) that studies and application experiments on EHRI are being conducted in various parts of the world; d) that common usage of devices is preferable for economical implementation of the EHRI; e) that bit-rate reduction technologies take a major role in transmission of the EHRI; f) that required spatial and temporal resolutions and aspect ratios might differ depending on the applications in the market place; g) that conversion of spatial and temporal sampling lattices are becoming possible between different formats without introducing artifacts to the converted images.
ITU-R BT.1201-1 FRENCH-2004 Referenced Document
ITU-R BT.1361 Worldwide Unified Colorimetery and Related Characteristics of Future Television and Imaging Systems
ITU-R BT.709 Parameter values for the HDTV standards for production and international programme exchange*， 2015-06-01 Update