Special Effects Software Guide (Part Two): Special Effects

If you’re a newcomer to special effects this comprehensive guide will tell you what each VFX discipline means, and which software to use for it. Part Two covers special effects tools.

Notes by Dr. Optoglass: Noise and Dithering

Topics Covered: What is Noise? Signal to Noise Ratio Dithering Color Banding I think television has betrayed the meaning of democratic speech, adding visual chaos to the confusion of voices. What role does silence have in all this noise? – Federico Fellini Noise is unwanted information in a signal. A fly in your soup is […]

What Noise Does

Topics Covered: Noise Signal-to-Noise Ratio Noise proves nothing. Often a hen who has merely laid an egg cackles as if she laid an asteroid – Mark Twain “Noise is always unwanted,” declared Dr. Optoglass. “But sometimes it fools us into thinking its existence is warranted.” “I see you are not a believer in noise, Dr. […]

ETTR – Expose to the Right

To improve signal to noise ratio (S/N), many professionals advocate ETTR (Expose to the right) when faced with low contrast scenes. The Luminous Landscape has two great articles by Michael Reichmann explaining this here and here. You might want to read them first before going on. I decided to test this to see for myself […]