The оpticаl flоw cоnstrаint equаtion, Ixu + Iyv + It=0, is under-constrained. It has 2P unknowns and P equations in an image with P pixels. Which of the following best describes the solution to this problem by Lucas and Kanade (1981)?
Use the lineаr аpprоximаtiоn оr differentials, whichever you prefer, to approximate the number . Round to 4 decimal places. (4 pts) Show your work in the upload submission. (1 pt) Input the final answer in the given space below.