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    • 3. 发明授权
    • Osteoporosis diagnosis support device
    • 骨质疏松症诊断支持装置
    • US07916921B2
    • 2011-03-29
    • US11665710
    • 2005-10-18
    • Akira AsanoAkira TaguchiTakashi NakamotoKeiji TanimotoZainal Arifin Agus
    • Akira AsanoAkira TaguchiTakashi NakamotoKeiji TanimotoZainal Arifin Agus
    • G06K9/00
    • G06T7/0012A61B5/1075A61B5/4509A61B6/505G06T5/008G06T7/194G06T2207/10116G06T2207/30008
    • It can be enabled an accurate diagnosis of osteoporosis by a simple method utilizing panoramic radiographs without requiring special skill or experience of a technician engaged in diagnosis of osteoporosis. It comprises an object region image acquisition means for enhancing the contrast of a mandible bone on digitized panoramic radiographs and extracting a portion of a mandible including a mental foramen and a mandibular base as an object region image; a discrimination and selection means for discriminating between a background portion and the portion of a mandible from the object region image and acquiring, as a judgment region image, a portion from which the background portion is removed; a defined image acquisition means for defining forms of a cortical bone and a cancellous bone constituting the mandible of the judgment region image; a means for specifying the cortical bone portion on the image in which the form is defined; calculation means for determining the thickness of the cortical bone based on the outline constituting the mental foramen and the cortical bone specified by the respective means; and an output means for outputting the determined thickness of the cortical bone.
    • 可以通过使用全景X光片的简单方法来准确诊断骨质疏松症,而不需要从事骨质疏松症诊断的技术人员的特殊技能或经验。 它包括一个对象区域图像获取装置,用于增强数字化全景X光照片上的下颌骨的对比度,并提取包括精神孔和下颌底部的下颌骨的一部分作为对象区域图像; 鉴别和选择装置,用于从对象区域图像中区分背景部分和下颌部分,并且获取背景部分被去除的部分作为判断区域图像; 定义的图像获取装置,用于定义构成判断区域图像的下颌骨的皮质骨和松质骨的形式; 用于指定在其中定义了形式的图像上的皮质骨部分的装置; 计算装置,用于基于构成由各自手段指定的心理孔和皮质骨的轮廓来确定皮质骨的厚度; 以及用于输出所确定的皮质骨厚度的输出装置。