Vot naschet trekinga s video bez orientira, et ne znayu, et gimor strashniy, a siniy fon - et prosto. Otkrivayesh AfterEffects, v sloe kompositsii klikayesh pravoy mishoy, effects->keying->Chromo Key(ili luma key, ili prosto keying). I vsyo, beresh pipetku v EffectsControls, tikayesh na siniy tsvet v okne, gde sobssno, footage i viden, i vsyo. POdstaraivayesh tsvet v zavisimosti ot kachestva syemki.