Grass Valley Kayak HD v.6.9.3 - Manual (Page 278)

278 Kayak — User Manual
Section 5 — Kayak Menu Summaries
Figure 204. DPM – SpecFX – Defocus Mode
Defocus Mode Pane
• Off — The Defocus effect is deactivated.
• Defocus — The Defocus effect is applied to the original keyed image.
• Defocus NAM + — The defocused image is compared to the original
image on a pixel by pixel basis, and the lighter (higher luminance) pixel
of the two is used in the final image.
• Defocus NAM - — The defocused image is compared to the original
image on a pixel by pixel basis, and the darker (lower luminance) pixel
of the two is used in the final image.
When the Defocus pane is activated, knob controls for Defocus, Aspect, and
NAM Ratio are available.
• Defocus — Adjusts the total amount of defocus applied to the video
image.
• Aspect — Adjusts the percentage of defocus applied to the vertical and
horizontal axes of the video image.
• NAM Ratio — Adjusts the level of luminance at which the Defocus
effect will be applied to NAM pixels. This value applies to both NAM
+ and NAM - modes.