Scale Space, Image Pyramids, and Filter Banks

 This is a really great introduction to linear scale space lecture.  Whether it is etched into your DNA, or a first time exposure, there are things to learn here.

Here's a hint for the 'why is camouflage attire effective?' question he asks at the end.

1: Human perception of texture is based on a spatial channel model.  He discusses spatial bandpass filters near the end of the lecture.

2: There is a texture metamerism effect that occurs when the signal response of the various texture channels is at the threshold of detection.  Its how stochastic screening works.  Think of signal masking in the various channels.


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