is a format developed by the International Digital Publishing Forum. It is characterized by the XML- and XHTM-based optional use of CSS styling. The main feature of this format is the use of reflowable text (word wrap) which makes it possible to adapt the image to different device displays. The ePub file is a zip-archive with an .epub extension.
This is a color system for displaying image and video files. The luminance component (Y) in UYVY is digitized at each point, whereas the color difference components (U, V) are digitized two times less frequently. It has a 16 bits/pixel structure, and it is used in video rendering and image editors.