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What is QSIF, QCIF and SIF
Jun 25,2012   
QSIF
 
QSIF (Quarter-size Standard Image Format) image has only 25% size of SIF image, BTSC format with 176112 pixels; PAL format with 176144 pixels. MPEG-1 compression standard supports QSIF image size.
 
 
QCIF
 
QCIF is a popular, standard image formant. H.323 protocol group defines standard capture resolution for video capture device. QCIF = 176×144 pixels
 
 
SIF
Standard Image Format, NTSC format with 350240 pixels; PAL format with 352288 pixels. MPEG-1 compression standard supports SIF image size.
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