20 Terms
Contributors in Video
Video
lossy compression
Entertainment; Video
A scheme that, after decompression, does not produce exactly the same data that was given to the compressor. Due to the nature of image data, the losses are often imperceptible to the human eye. ...
luma
Entertainment; Video
Video originates with linear-light (tristimulus) RGB primary components, conventionally contained in the range 0 (black) to +1 (white). From the RGB triple, three gamma-corrected primary signals are ...
luminance
Entertainment; Video
The degree of brightness (black and white portion of the video signal) at any given point in the video image. A video signal is comprised of luminance, chrominance (color information) and sync. If ...
model-based coder
Entertainment; Video
Communicating a higher-level model of the image than pixels is an active area of research. The idea is to have the transmitter and receiver agree on the basic model for the image; the transmitter ...
mpeg
Entertainment; Video
Motion Picture Expert Group. Similar to spatial compression of JPEG, but adds frame-to-frame temporal compression. Compaction is typically 3 times better than video JPEG. Like the JPEG standard, it ...
mpeg-1
Entertainment; Video
MPEG-1 defines a set of international standards for the compression and decompression of digital video signals. MPEG-1 specifies a video resolution of 352-by-240 pixels compressed at 30 frames per ...
mpeg-2
Entertainment; Video
MPEG-2 is targeted for use with high-bandwidth broadcast applications specifying 720-by-480 playback at 60 fields per second at data rates ranging from 500 kilobytes per second to more than two ...
