What is the albedo in this case? Is it $\rho = || \hat{\bf n}|| $ from the previous slide? Or is it the unknown scalar $a$ or something else?
mpotoole
The unknown albedo (sometimes denoted as either $a$ or $\rho$) is computed from the norm of the pseudo-normals; see this slide. (It's unrelated to the previous slide 42 though.)
Samleo
Sorry I'm slightly confused because you said that it is also $a$. Does this mean that for the equation $ {\bf I} = a {\bf n^\top \ell}$, $a = \rho = ||\hat{\bf n}||$?
What is the albedo in this case? Is it $\rho = || \hat{\bf n}|| $ from the previous slide? Or is it the unknown scalar $a$ or something else?
The unknown albedo (sometimes denoted as either $a$ or $\rho$) is computed from the norm of the pseudo-normals; see this slide. (It's unrelated to the previous slide 42 though.)
Sorry I'm slightly confused because you said that it is also $a$. Does this mean that for the equation $ {\bf I} = a {\bf n^\top \ell}$, $a = \rho = ||\hat{\bf n}||$?
Yup!