A mirror reflection and aspect ratio invariant approach to object recognition using Fourier descriptor

Authors:
Maruti Agarwal;Vikram Venkatraghavan;Chandan Chakraborty;Ajoy K. Ray
Affiliations:
Media & Knowledge Engineering, Delft University of Technology, Netherlands;School of Medical Science & Technology, I.I.T., Kharagpur, India;School of Medical Science & Technology, I.I.T., Kharagpur, India;School of Medical Science & Technology, I.I.T., Kharagpur, India and Department of Electronics and Electrical Communication Engineering, I.I.T., Kharagpur, India
Venue:
Applied Soft Computing
Year:
2011

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Abstract

Most of the shape recognition measures are rotation, translation and scale (RST) invariant. However, when the shape aspect ratio is changed or the mirror reflection of the object is considered for retrieval, some of these measures are not effectively useful. In consideration of the aforesaid issues, a Fourier descriptor based 'aspect ratio' and 'mirror reflection' invariant shape matching algorithm is presented here. This algorithm is also RST invariant.