An image fusion of quincunx sampling lifting scheme and small real-time DSP-based system

Qiang Wang; Guoqiang Ni; Bo Chen

doi:10.1117/12.756985

28 November 2007 An image fusion of quincunx sampling lifting scheme and small real-time DSP-based system

Qiang Wang, Guoqiang Ni, Bo Chen

Proceedings Volume 6833, Electronic Imaging and Multimedia Technology V; 683317 (2007) https://doi.org/10.1117/12.756985
Event: Photonics Asia 2007, 2007, Beijing, China

Abstract

An image fusion method using the quincunx sampling lifting wavelet transform combined with the fusion strategy of area edge change is put forward. Lifting wavelet transform can realize fast computation and no auxiliary memory, which could realize integral wavelet transform. Quincunx sampling adopts the scheme suitable for visual system and has the non-rectangle segmentation spectrum. Quincunx sampling lifting scheme, which is separable wavelet, combines both of their advantages. Furthermore, the fusion strategy of horizontal, vertical, diagonal edge change for low frequency image could reserve object integrality of source image. At the same time, the algorithm complexity and system Input/Output are calculated, after which the small integrated dual-spectral image fusion system with TMS320DM642 DSP as its kernel processor is then shown. As the hardware design of function, principle, structure and high speed circuit PCB design is presented, software design methods and implementation on this fusion platform are simultaneously introduced. The dual-spectral image real-time fusion system is built with high performance and small board dimensions, which lays a solid foundation for future applications.

Citation Download Citation

Qiang Wang, Guoqiang Ni, and Bo Chen "An image fusion of quincunx sampling lifting scheme and small real-time DSP-based system", Proc. SPIE 6833, Electronic Imaging and Multimedia Technology V, 683317 (28 November 2007); https://doi.org/10.1117/12.756985

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