;; ;; Mat absolute difference ;; (bind-lib cvlib Mat_AbsDiff [void,ocv_MatT,ocv_MatT,ocv_MatT]*) (bind-func ocv_absdiff (lambda (in1:ocv_Mat* in2:ocv_Mat* out:ocv_Mat*) (Mat_AbsDiff (tref in1 0) (tref in2 0) (tref out 0)) void))