I'm pretty sure the brightness gradient vector given by $$(E_x,E_y)^T = (\sinθ,-\cosθ)^T (B_2-B_1)δ(x\sinθ-y\cosθ + ρ)$$ is a coordinate-system-independent vector. However, I am not sure how to prove it.
Asked
Active
Viewed 99 times
;)) – apnorton Oct 03 '14 at 03:17