Spinal Vertebrae Edge Detection by Anisotropic Filtering and a Local Canny-deriche Edge Detector
نویسندگان
چکیده
This paper describes a robust method for spinal vertebrae edge detection from biplanar X-ray radiographic images (lateral and antero-posterior). It uses anisotropic filtering and a Canny-Deriche edge detector applied locally and in a region of interest. The anatomical structure of interest in this work is the spinal area. Anisotropic filtering is applied so as to preserve edge structures while reducing image noise. The proposed technique has been validated on a database of X-ray radiographic images obtained from the EOS system 1. Results are compared to the edges drawn by a medical expert.
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