Computerized evaluation of digital orthopedic moiré pictures

Abstract

By the superimposition of two similar periodic structures translated, or rotated relative to each other, a new structure arises with longer periods. This one is called Moiré pattern and it consists of the Moiré fringes. Moiré imaging (used mostly in spinal deformities) is non-contact, fast, and its harmful radiation does not load patients and can be repeated any number of times. For detecting the spinals shape, a software has been implemented in LabVIEW programming environment with several image processing method. The shape of the spine could be sufficiently reproduced using this program. Screening can be established without X-Ray images, which is much faster and healthier for patients.