Можно включить программный деинтерлейсинг

mplayer -vf kerndeint file.vob

Можно точно настроить такой фильтр. Опции следующие:

kerndeint[=thresh[:map[:order[:sharp[:twoway]]]]]

Donald Graft's adaptive kernel deinterlacer.

Deinterlaces parts of a video if a configurable threshold is exceeded.

<0-255>

threshold (default: 10)

<map>

0: Ignore pixels exceeding the threshold (default).

1: Paint pixels exceeding the threshold white.

<order>

0: Leave fields alone (default).

1: Swap fields.

<sharp>

0: Disable additional sharpening (default).

1: Enable additional sharpening.

<twoway>

0: Disable twoway sharpening (default).

1: Enable twoway sharpening.