Deinterlace – Apple Shake 4 User Manual

Page 206

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Chapter 6

Importing Video and Anamorphic Film

Parameters

This node displays the following controls in the Parameters tab:

clipMode
Toggles between using the foreground (0) or background (1) images to define the
resolution.

field
Specifies which field the first image uses.

0 = even field

1 = odd field

mode
Tells Shake if the input image is the same height as the result image.

0 = replace. Takes every other field from the input images; input images have the
same height as the result.

1 = merge. Takes the entire input image; input images are half the result image
height.

DeInterlace

Located in the Other tab, this node is unlike the de-interlacing parameter available in
the FileIn node because it is designed to permanently deinterlace a clip, discarding the
upper or lower field. The DeInterlace node has three different modes you can use to
replace the alternating field lines that are removed:

replicate: Replaces one field with the other by duplicating the remaining fields.

interpolate: Replaces a field with an average of the fields above and below it.

blur: Replaces a field with an average of the fields above and below it, combined
with the original field itself. More precisely, the field is replaced with a mix of 50
percent of itself, 25 percent of the field above, and 25 percent of the field below.

Note: The Convert option in a FileIn node’s Timing tab provides de-interlacing options
superior to those found in this node. For more information, see “

Setting Up Your Script

to Use Interlaced Images

” on page 196.

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