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Hardware Implementation of Infrared Image Registration Based on the Harris Corner of KLT Tracking
Pages: 632-637
Year: Issue:  10
Journal: Infrared Technology

Keyword:  infrared image registrationcorner detectionKLT trackingFPGA;
Abstract: In order to solve the infrared image registration problem of the infrared seeking and tracking system, an infrared image registration algorithm which is based on the Harris corner of KLT tracking is put forward. The algorithm firstly does Harris corner detection of infrared image sequences and choose suitable corners as tracking points. Then the tracking points are tracked by KLT and the displacement between image sequences are calculated by the KLT algorithm. Thus infrared image registration is realized. The whole algorithm is implemented on the DE2-115 system platformwith CycloneIV series FPGA of which programming and debugging in Harris corner detection, KLT tracking and matching process is completed by Vhdl language in Quartus 13.0 software. Final conclusion shows that the proposed algorithm can satisfy the precision and stability of the infrared image registration, and the FPGA in the image processing system can provide higher speed, meeting the real-time requirements of image registration much more.
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