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Image Projective Invariants
In this paper, we propose relative projective differential invariants (RPDIs) which are invariant to general projective transformations.
Reflection Invariant and Symmetry Detection
Symmetry detection and discrimination are of fundamental meaning in science, technology, and engineering.
Isomorphism between Differential and Moment Invariants under Affine Transform
The differential invariant is essential in understanding or describing some important phenomena or procedures in mathematics, physics, chemistry, biology or computer science etc.
Shape DNA: Basic Generating Functions for Geometric Moment Invariants
Two fundamental building blocks or generating functions (GFs) for invariants are discovered, which are dot product and vector product of point vectors in Euclidean space.
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