27
Compositing two images
7.
Turn the effect off
Press the button again to turn the effect off.
Using Chroma Key to composite images
You can composite two images by extracting a specified color from one image and replacing it with
the other image. Such a composition effect is called Chroma Key. Here’s how you can composite
the image from channel B and overlay it on the channel A image.
1.
Set the memory dial (MEMORY) to 1.
Turn the dial all the way to the left to select the 1 position.
2.
Select channel A image.
Play back the image that you want to use as the background.
3.
Select channel B image.
Input image to overlay into channel B. The image for Chroma Key is generally shot with blue or
green background.
4.
Press the Chroma Key button.
Press the channel B “Chroma Key” button.
5.
Move the video fader to channel B.
The blue part of channel B image is extracted and the channel A image appears.
Some effects cannot be used simultaneously.
You can change the P in P effect settings to modify the location and size of the superimposed image
(the secondary image). For details, refer to p. 75 or later.
V-4_e.book 27 ページ ２００７年１０月１７日 水曜日 午後７時１５分
Summary of Contents for V-4
Page 41: ...41 Editing the front panel assignments V 4_e book 41 ページ ２００７年１０月１７日 水曜日 午後７時１５分 ...
Page 99: ...99 Transition Effects List Soft Edge Type V 4_e book 99 ページ ２００７年１０月１７日 水曜日 午後７時１５分 ...
Page 100: ...100 Transition Effects List V 4_e book 100 ページ ２００７年１０月１７日 水曜日 午後７時１５分 ...
Page 101: ...101 Transition Effects List Multi Border Type V 4_e book 101 ページ ２００７年１０月１７日 水曜日 午後７時１５分 ...
Page 106: ...106 Index MEMO V 4_e book 106 ページ ２００７年１０月１７日 水曜日 午後７時１５分 ...
Page 107: ...107 Index MEMO V 4_e book 107 ページ ２００７年１０月１７日 水曜日 午後７時１５分 ...
Page 108: ...108 Index MEMO V 4_e book 108 ページ ２００７年１０月１７日 水曜日 午後７時１５分 ...
Page 109: ...109 Index MEMO V 4_e book 109 ページ ２００７年１０月１７日 水曜日 午後７時１５分 ...
Page 110: ...110 Index MEMO V 4_e book 110 ページ ２００７年１０月１７日 水曜日 午後７時１５分 ...
