Crestron UPX-2 Operation Manual page 102

Crestron UPX-2
Interlaced Scan
First half scan lines 1/60
Line 2
Line 4
Last Even
Line (524)
80 ¥ Universal Presentation Processor: UPX-2
th second
Progressive Scan – All Lines Displayed in 1/60
Line 1
Line 2
Last
Line
De-interlacing is the process by which interlaced video is converted to progressively
scanned video.
Interlaced and Progressive (de-interlaced) Scans of Objects in Motion
Motion
Alternate Line Displacment
in Interlaced Scan
Some de-interlacers simply rearrange fields by creating an even-line output frame
and an odd-line output frame every 60th of a second. Any motion occurring in the
time between the odd and even fields results in undesirable motion artifacts.
Universal Presentation Processor
Second half scan lines 1/60
Line 1
Line 3
Last Odd
Line (525)
th
of a Second
Motion
Progressive Scan
Operations Guide – DOC. 6276B
th second