User guide

6-72
CLIPSTER Edit Tool User Guide
Editing the Scene Markers
The scene detection detects cuts reliably when the changes of scenery
are distinct. However, if the content of the images varies much, cuts
may be detected wrongly. For example, with its standard settings the
scene detection will sometimes mark a camera panning as another
scene because the image content between two frames differs consider-
ably. Then you have the possibility at hand to edit the detected scenes.
After analyzing a clip you can jump to scene markers by selecting the
clip in the timeline and using the respective controls ( or
key [A]/[S] on your keyboard). Then by stepping single frames forward
and backward you can determine whether the scene marker is properly
placed. If not, it can be taken with the mouse and moved to another
position freely:
Figure 6-63: Moving scene markers
Once the scene marker is positioned correctly, you can, for example,
apply a hard cut to the clip (see section “Performing a Cut” on
page 6-44).
Additionally, when calling the context menu on the video clip the fol-
lowing menu options are provided to edit the scene markers:
6.5.8 Displaying the Alpha Channel
For blue-screen operations or compositing the alpha channel (key) of a
video clip is important. With the DVS software you can display the al-
pha channel of individual clips in the video overlay as well as at the out-
puts of the DVS system.
Add scene
marker
Adds a scene marker manually. It will be added at
the current position of the timeline cursor.
Delete scene
marker
Deletes the scene marker currently selected by the
timeline cursor. This menu option will be available
as soon as the timeline cursor is positioned on a
scene marker.
Split at scene
markers
Cuts the clip at the position(s) of the scene mark-
er(s). In case the scene detection was performed
on several clips in the timeline, it has to be applied
to each clip separately.