1. Assessing spinal deformities;Curran;Image Processing,1990
2. Optimal filter for edge detection methods and results;Castan,1990
3. Moiré topgraphy;Takasaki;Appl. Optics,1970
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5. Scanning moiré methods and automatic measurement of 3D shapes;Idesawa;Appl. Optics,1977