The Journal of Korea Institute of Information, Electronics, and Communication Technology (한국정보전자통신기술학회논문지)

Korea Information Electronic Communication Technology (한국정보전자통신기술학회)
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Development of New Optimized Sampling method for 3D Shape Recovery in the Presence of Noise

  • Lee, Hyeong-Geun (Lifelong Education Department, Nowon Lifelong Education Center for People with Developmental Disabilities) ;
  • Jang, Hoon-Seok (IT Application Research Center, Jeonbuk Regional Branch, Korea Electronics Technology Institute)
  • Received : 2020.03.03
  • Accepted : 2020.04.09
  • Published : 2020.04.30
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Abstract

Noise affects the accuracy of three-dimensional shape recovery. Its occurrence is unpredictable and depends on several mechanical, environmental, and other factors. When two-dimensional image sequences are obtained for shape from focus (SFF), mechanical vibration occurs in the translational stage, causing an error in the three-dimensional shape recovery. To address this issue, mechanical vibration is modeled using Newton's second law and the principle of the rack and pinion gear. Then, an optimal sampling step size considering the mechanical vibration is suggested through theoretical demonstration. Experiments conducted with real objects verify the effectiveness of the proposed sampling step size. In this paper, in a realistic environment with noise, the potential of obtaining more accurate three-dimensional reconstruction results of the objects is explored by acquiring the optimal sampling step size, which improves the sampling step size relative to those reported in a previous study performed under similar conditions.

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References

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