8 September 2011 An FPGA-based heterogeneous image fusion system design method
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Taking the advantages of FPGA's low cost and compact structure, an FPGA-based heterogeneous image fusion platform is established in this study. Altera's Cyclone IV series FPGA is adopted as the core processor of the platform, and the visible light CCD camera and infrared thermal imager are used as the image-capturing device in order to obtain dualchannel heterogeneous video images. Tailor-made image fusion algorithms such as gray-scale weighted averaging, maximum selection and minimum selection methods are analyzed and compared. VHDL language and the synchronous design method are utilized to perform a reliable RTL-level description. Altera's Quartus II 9.0 software is applied to simulate and implement the algorithm modules. The contrast experiments of various fusion algorithms show that, preferably image quality of the heterogeneous image fusion can be obtained on top of the proposed system. The applied range of the different fusion algorithms is also discussed.
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Le Song, Le Song, Yu-chi Lin, Yu-chi Lin, Yan-hua Chen, Yan-hua Chen, Mei-rong Zhao, Mei-rong Zhao, "An FPGA-based heterogeneous image fusion system design method", Proc. SPIE 8193, International Symposium on Photoelectronic Detection and Imaging 2011: Advances in Infrared Imaging and Applications, 81931I (8 September 2011); doi: 10.1117/12.900117; https://doi.org/10.1117/12.900117

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