Abstract
In this paper, FPGA (Field-Programmable Gate Array) implementation of SIFT (Scale Invariant Feature Transform) algorithms is presented. SIFT algorithm extracts key points from the image. For implementation, basic study for SIFT algorithm and hardware design method is shown including pipeline line buffer and simplified gradient calculation. The SIFT key point extraction hardware was designed with Verilog HDL and implemented to Xilinx Vertex-7.
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