Histogram

of

Oriented

Gradients

What is a gradient?

  A directional change in an image intensity/color.

Lets compute the gradients for a very simple image and look at what it gives us.

dy, dx?

gradient mag?

gradient orientation?

Mathy stuff!

What about HOG though? Well, yeah!

Histograms?

CAN HAZ PICTURES PLIS?

IF I MAKE IT TILL HERE, CLAP!