Recognition Research on Visual Invariants Using Conformal Geometric Algebra

This article firstly introduces the theory of conformal geometric algebra, the expression and calculation of geometry invariants are given by using this theory; the invariants of five-line structure are used as the features of detected target, the straight lines are extracted with the help of Hough transform and then matched directly by using the invariants of five-line structure. Target structure constraints are added in order to remove false matches. The method requires a small amount of computation and the simulation result proves its validity and rapidity.