25i => 50p

[trochim]

How to convert 25 fps interlanced PAL video into 50 fps progressive ??

[G_M_C]

From one of the other threads in this forum:
http://www.avisynth.org/mediawiki/wiki/DGBob

[foxyshadis]

http://forum.doom9.org/showthread.php?p=759778#post759778

[Awatef]

Briefly said: this is not possible (without sacrifying image quality)