Objective: This study was conducted to measure radiographic joint space width and to estimate erosion in the hands of patients with rheumatoid arthritis. It showed that joint space width, homogeneity, and invariant moments are parameters to discriminate between the normal and the rheumatoid joint. Methods: In order to measure the joint space width and to estimate erosion in the finger joint, 32 radiographic images were used -16 images for training and 16 images for testing.
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Kang et al. (2009) studied this question.
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