Pattern recognition with moment invariants: a comparative study and new results
Pattern Recognition
Shape measures for content based image retrieval: a comparison
Information Processing and Management: an International Journal
Visual information retrieval
Techniques and Systems for Image and Video Retrieval
IEEE Transactions on Knowledge and Data Engineering
A Survey on Content-Based Retrieval for Multimedia Databases
IEEE Transactions on Knowledge and Data Engineering
Perceptual metrics for image database navigation
Perceptual metrics for image database navigation
Aircraft identification by moment invariants
IEEE Transactions on Computers
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A novel shape description method, statistical chord-length features (SCLF), is proposed for shape retrieval. SCLF first describes the contour of a 2D shape using k/2 one-dimensional chord-length functions derived from partitioning the contour into k arcs of the same length, where k is the parameter of SCLF. The means and variances of all the chord-length functions are then calculated and a k dimensional feature vector is generated as a shape descriptor. Two experiments are conducted and the results show that SCLF achieves higher retrieval performance than traditional description methods such as geometric moment invariants and Fourier descriptors.