Image Matrix Transformations If A is a 3 × 3 matrix then we can apply a linear transformation to each rgb vector via matrix multiplication, where [r, g, b] are the original values and [r ′, g ′, b ′] ...

Transforming light: illustration of how an arbitrary linear transform can be achieved in an all-optical system using diffractive surfaces (Courtesy: Ozcan Lab/UCLA) Researchers in the US have shown ...