Accelerating the Phase Only Correlation method using GPUs

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  • GPUを用いた位相限定相関法の高速化(ITS画像処理,映像メディア及び一般)
  • GPUを用いた位相限定相関法の高速化
  • GPU オ モチイタ イソウ ゲンテイ ソウカンホウ ノ コウソクカ

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Abstract

The Phase Only Correlation (POC) method demonstrates high robustness and subpixel accuracy in the pattern matching and the image registration. However, there is a disadvantage in computational speed because of the calculation of 2D-FFT etc. We have proposed a novel approach to accelerate POC method using GPU to solve the calculation cost problem. Using our GPU-based POC implementation, each POC calculation can be done within 2.36 seconds for 256×256 pixels, within 7.92 seconds for 512×512 pixels, and 27.65 seconds for 1024×1024 pixels.

Journal

  • ITE Technical Report

    ITE Technical Report 33.6 (0), 201-206, 2009

    The Institute of Image Information and Television Engineers

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