Phase calcuation error analysis of 3D shape measurement system using phase-shifted fringe projection method

위상이동 간섭무늬 투영을 이용한 3차원 형상측정 시스템의 위상계산오차 해석

  • Received : 2002.02.25
  • Published : 2002.06.01


We have analyzed the phase-calculation-error of a three-dimensional shape measurement system using the projection of phase shifted fringe patterns. In this study, we have dealt various errors; an error caused by the variation of quantization levels, an error caused by the defocus of fringe pattern projected images, an error caused by phase-shifting errors, an error caused by the intensity variation of the background and modulation amplitude of fringe pattern projected images during the projection of multiple patterns, an error caused by the distortion of sinusoidal shape of a fringe pattern. The results will contribute to the design of a three-dimensional shape measurment system and give an important meaning to the calculation and the analysis of the accuracy of a system.


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