Abstract
This work addresses the design of a novel complex steerable wavelet construction and its implementation on reconfigurable logic. The wavelet decomposition uses pairs of bandpass filters that display symmetry and antisymmetry about a steerable axis of orientation. The design is targeted for implementation in hardware, thus one of the desired properties is the small number of unique kernels. A detailed description of the implementation of the design in hardware is given. Moreover, results regarding the speed of our design compared to a software implementation, and the error in the filter responses due to fixed point representation, are reported. To show the applicability of the design to real life situations, a corner detection algorithm is illustrated.
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Bouganis, C.S., Cheung, P.Y.K., Ng, J., Bharath, A.A. (2004). A Steerable Complex Wavelet Construction and Its Implementation on FPGA. In: Becker, J., Platzner, M., Vernalde, S. (eds) Field Programmable Logic and Application. FPL 2004. Lecture Notes in Computer Science, vol 3203. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-30117-2_41
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DOI: https://doi.org/10.1007/978-3-540-30117-2_41
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-540-22989-6
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