Research Article
Automatic Radiographic Position Recognition from Image Frequency and Intensity
Figure 4
(a) From top to bottom: the knee X-ray image and the knee image frequency curve. (b) From top to bottom: the knee X-ray image by Butterworth filtering and the image frequency curve by filtering. (c) From top to bottom: the trabeculae texture image reconstructed by the filtered frequency information and the frequency curve.
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