Monte Carlo integration and its many many offshoot techniques (biased and unbiased) are still fascinating to me. It's less impressive if you simply see the res

Monte Carlo integration and its many many offshoot techniques (biased and unbiased) are still fascinating to me. It's less impressive if you simply see the result, e.g. in ray traced images but what is done mathematically, is evaluate an expression of infinitely-nested luminance integrals.