A.Ctrl+D B.Ctrl+K C.Ctrl+M D.Ctrl+N
A.一點(diǎn)追蹤 B.二點(diǎn)追蹤 C.三點(diǎn)追蹤 D.四點(diǎn)追蹤
在默認(rèn)情況下,After Effects的跟蹤是基于畫(huà)面的哪個(gè)通道進(jìn)行處理的?()
A.RGB B.Luminance C.Saturation D.YIQ