Title :
MPEG-2 encoding of low-quality TV signals
Author :
Schreier, Ralf M. ; Lallinger, Martin ; Teichner, Detlef ; Rothermel, Albrecht
Author_Institution :
Dept. of Microelectron., Ulm Univ., Germany
fDate :
11/1/2001 12:00:00 AM
Abstract :
MPEG-2 encoding of low-quality (noisy) TV signals is analyzed with respect to the encoder output bit rate. Target rate for the MPEG-2 transport stream is 4.0 Mbit/s with D1 resolution (720×576 pixels). Standard MPEG-2 encoding parameters show problems with critical signals because they exceed the target output bit rate. We first describe the violation of the target rate and then show an optimization procedure which enables MPEG-2 hardware encoders to process both high-quality and noisy TV signals without bit rate violations
Keywords :
data compression; optimisation; random noise; video coding; 4.0 Mbit/s; 576 pixel; 720 pixel; MPEG-2 encoding; encoder output bit rate; hardware encoders; high-quality TV signals; low-quality TV signals; noisy TV signals; optimization procedure; Bit rate; Encoding; Hardware; Image coding; Noise reduction; Quantization; Signal resolution; TV; Transform coding; Video compression;
Journal_Title :
Consumer Electronics, IEEE Transactions on
