Panasonic AV-HS60C3G, Руководство по эксплуатации

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Chapter 5 Basic Operations — KEY
Adjusting the chroma key
Execute sampling for the selected key source to adjust the key definition. Options are required for the chroma key of KEY2.
1
Execute sampling of the selected key source. (page 62)
2
Remove the noise in the background image. (page 62)
3
Remove the noise in the foreground image. (page 63)
4
Remove the noise in the detail areas. (page 63)
5
Fine-tune the noise or transparency of the image. (page 64)
6
Fine-tune the generated chroma key signal. (page 66)
Executing sampling of the selected key source
r
To execute the sampling automatically
1
Select the <ME1>/<ME2> button
→
[KEY1], [KEY2]
→
[Chroma] tab.
2
Select an item in the [Auto Compute] column.
[Auto Compute] Executes sampling automatically.
[Reset] Resets the sampled content.
r
To execute the sampling manually
1
Select the <ME1>/<ME2> button → [KEY1], [KEY2] → [Chroma] tab.
2
Set an item in the [Chroma PVW Mode] column.
f
Set the preview monitor. Change the video signals from [ME1PVW], [ME2PVW], [ME1 KEYPVW], [ME2 KEYPVW] outputs to those for chroma key
preview.
[Off] Displays the normal preview image. The sample marker is not displayed.
[Key1], [Key2]
The preview image selected in the [Chroma PVW Mode] column is displayed. The sample marker is displayed.
Because this is a common setting for [Key1], [Key2], changing this setting for one key changes the setting of all the other
keys.
3
Select [Composite] in the [Chroma PVW View] column.
f
The image for the chroma key preview becomes a composite image of the background and foreground images.
4
Select [Select BG] in the [Sampling Mode] column.
f
This sets the reference color (background color) for extracting the foreground image from the key source.
5
Select [Sample Area] in the R menu, and set [X-Pos], [Y-Pos], and [Size] in the encoder menu.
f
Set the position and size of the sample marker.
6
After setting the sample area, select [Sampling].
f
The area that has been set is now sampled.
f
If you select [Undo] after sampling is executed, the status returns to the pre-sampling status.
f
When sampling is performed while [Point] in the [Select BG] column is set to [ON], a narrower color range will be specified as the base colors than
if it was set to [OFF].
Removing noise in the background image
Remove the noise in the background image. Perform this operation several times to remove noise.
Before the noise is removed After the noise is removed
1
Select the <ME1>/<ME2> button
→
[KEY1], [KEY2]
→
[Chroma] tab.
2
Select [Matte] in the [Chroma PVW View] column.