A technique for establishing texture metrics and bone mineral density (BMD) within an anatomical region of interest. A digital imaging system is used to acquire a standard digital X-ray image with a wide field of view. The standard digital X-ray image is used to guide the imaging system to obtain an...http://www.google.com.tw/patents/US7724875?utm_source=gb-gplus-share專利 US7724875 - Image guided acquisition of quantitative dual energy data
