Projectiondesign Action one mk III Guide de l'utilisateur télécharger pdf (Page 30)

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30MIPS User’s Guide – Geometry Correction

Figure 7-19. Warping algorithm setup

Algorithms can be added or removed. If the perspective transform is added ﬁ rst, Mesh Warp

Smythe can be used in addition. If Mesh Warp Smythe or Mesh Warp Bezier is added ﬁ rst, a

combination of algorithms is not allowed.

In this window, grid size is also conﬁ gured. For the control points of an algorithm to be

visible, the grid size is must be at least 1x1.

Increasing grid size during calibration is very convenient. This enable for rough calibration

with few control points, and ﬁ ne tuning with increased grid size as needed.

Decreasing grid size during calibration is not recommended as you may lose ﬁ ne tuning data

you have already added to the grid.

Scaling ﬁ lters

Regardless of the warping algorithms selected, a scaling ﬁ lter will be applied. Scaling ﬁ lters

are conﬁ gured using the Algorithm Setup window. Select the tab “Filter”, Figure 7-20, and

select your desired ﬁ lter. Four different scaling ﬁ lters are supported:

• Lanczos

• B-spline

• C-spline

• Linear

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Projectiondesign Action one mk III Guide de l'utilisateur Page 30