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, 9 (1), 81-88

Mandibular Trabecular Bone Analysis Using Local Binary Pattern for Osteoporosis Diagnosis


Mandibular Trabecular Bone Analysis Using Local Binary Pattern for Osteoporosis Diagnosis

L Khojastepour et al. J Biomed Phys Eng.


Background: Osteoporosis is a systemic skeletal disease characterized by low bone mineral density (BMD) and micro-architectural deterioration of bone tissue, leading to bone fragility and increased fracture risk. Since Panoramic image is a feasible and relatively routine imaging technique in dentistry; it could provide an opportunistic chance for screening osteoporosis. In this regard, numerous panoramic derived indices have been developed and suggested for osteoporosis screening. Jaw trabecular pattern is one of the main bone strength factors and trabecular bone pattern assessment is important factor in bone quality analysis. Texture analysis applied to trabecular bone images offers an ability to exploit the information present on conventional radiographs.

Objective: The purpose of this study was to evaluate the relationship between Jaw trabecular pattern in panoramic image and osteoporosis based on image texture analyzing using local binary pattern.

Material and methods: An experiment is evaluated in this paper based on a real hand-captured database of panoramic radiograph images from osteoporosis and non-osteoporosis person in Namazi Hospital, Shiraz, Iran .An approach is proposed for osteoporosis diagnosis consisting of two steps. First, modified version of local binary patterns is used to extract discriminative features from jaw panoramic radiograph images. Then, classification is done using different classifiers.

Results: Comparative results show that the proposed approach provides classification accuracy about 99.6%, which is higher than many state-of-the-art methods.

Conclusion: High classification accuracy, low computational complexity, multi-resolution and rotation invariant are among advantages of our proposed approach.

Keywords: Local Binary Pattern; Panoramic; Texture Analysis; Osteoporosis.


LBP Computing Process
The 36 unique rotation invariant binary patterns that can occur in the circularly symmetric neighbor set of LBP8,R. Black and white circles correspond to bit values of 0 and 1 in the output
An example of jaw panoramic radiography image
Some jaw panoramic examples of osteoporotic patients
Some jaw panoramic examples of normal persons without osteoporosis

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