Digital image processing (2nd ed.)
Digital image processing (2nd ed.)
The image processing handbook (3rd ed.)
The image processing handbook (3rd ed.)
Computer Vision
Orthogonal Transforms for Digital Signal Processing
Orthogonal Transforms for Digital Signal Processing
Combining Pattern Classifiers: Methods and Algorithms
Combining Pattern Classifiers: Methods and Algorithms
Pattern Recognition, Third Edition
Pattern Recognition, Third Edition
Snakes, shapes, and gradient vector flow
IEEE Transactions on Image Processing
Biometric identification using knee X-rays
International Journal of Biometrics
Progression analysis and stage discovery in continuous physiological processes using image computing
EURASIP Journal on Bioinformatics and Systems Biology
MRI-based knee image for personal identification
International Journal of Biometrics
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A computer-based system was designed for the grading and quantification of hip osteoarthritis (OA) severity. Employing an active-contours segmentation model, 64 hip joint space (HJS) images (18 normal, 46 osteoarthritic) were obtained from the digitized radiographs of 32 unilateral and bilateral OA-patients. Shape features, generated from the HJS-images, and a hierarchical decision tree structure was used for the grading of OA. A shape features based regression model quantified the OA-severity. The system accomplished high accuracies in characterizing hips as ''Normal'' (100%), of ''mild/moderate''-OA (93.8%) or ''severe''-OA (96.7%). OA-severity values, as expressed by HJS-narrowing, correlated highly (r=0.9,p