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    • 1. 发明授权
    • Osteoporosis diagnosis aiding apparatus utilizing panoramic radiographs
    • 骨质疏松诊断辅助设备利用全景影像
    • US07602955B2
    • 2009-10-13
    • US10541595
    • 2003-12-25
    • Akira TaguchiTakashi NakamotoAkira Asano
    • Akira TaguchiTakashi NakamotoAkira Asano
    • G06K9/00
    • G06T7/0012G06T2207/10116G06T2207/20044G06T2207/30008G06T2207/30036
    • The present invention provides an osteoporosis diagnosis aiding apparatus that utilizes a panoramic radiograph. A digitalized image of the panoramic radiograph enters a personal computer (S210). The cortical bone at the lower edge of the mandibular molar in the panoramic radiograph is specified with a mouse to make that part a target of examination (S220). This extracted image is subjected to the following image processing. (1) Subject the image to median filtering so as to reduce noises throughout that image. (2) Find a skeleton constituted by micro-structural elements (S230). (3) Extract only components parallel to the tilt of the lower edge of the mandible (S240). (4) Binarize the image using Otsu's linear discrimination method, for example (S250). The binarized lines are then classified into three groups according to size, and can be determined as a risk of osteoporosis in a case where there is more than just a single line classified in the largest line group aside from the smallest line group.
    • 本发明提供一种利用全景X线片的骨质疏松症诊断辅助装置。 全景X光片的数字化图像进入个人计算机(S210)。 在全景X光片下的下颌磨牙下缘的皮质骨用鼠标指定使该部分成为检查目标(S220)。 对该提取图像进行以下图像处理。 (1)对图像进行中值滤波,以减少整个图像的噪声。 (2)找到由微观结构元素构成的骨架(S230)。 (3)仅提取与下颌骨下缘倾斜平行的部件(S240)。 (4)使用Otsu的线性判别方法对图像进行二值化,例如(S250)。 然后根据大小将二值化线分为三组,并且在除了最小线组之外的最多线组中不仅仅是分为单线的情况下,可以确定为骨质疏松症的风险。
    • 4. 发明授权
    • Vaporizer and apparatus for vaporizing and supplying
    • 蒸发器和蒸发和供应装置
    • US06473563B2
    • 2002-10-29
    • US09986901
    • 2001-11-13
    • Yukichi TakamatsuTakeo YoneyamaKoji KiriyamaAkira AsanoKazuaki TonariMitsuhiro Iwata
    • Yukichi TakamatsuTakeo YoneyamaKoji KiriyamaAkira AsanoKazuaki TonariMitsuhiro Iwata
    • C23C1400
    • C23C16/4411C23C16/4404C23C16/4481
    • There are disclosed a vaporizer wherein at least a portion of a CVD material feed portion in contact with a CVD material is constituted of a corrosion resistant synthetic resin; and an apparatus for vaporizing and supplying which comprises a cooler and the vaporizer wherein the inside of the CVD material feed portion of the vaporizer and the surface on the side of the vaporization chamber of the CVD material feed portion are constituted of a corrosion resistant synthetic resin; the feed portion in contact with the outside of the vaporizer is constituted of a metal; and the CVD material feed portion which is constituted of a metal and which undergoes heat transfer from the heating means upon heating the vaporization chamber can be cooled with a cooler. The vaporizer and apparatus, when used for supplying a gaseous CVD-material to CVD equipment for producing semiconductors, enables the CVD material to be efficiently vaporized and supplied at desirable concentration and flow rate without causing deposit or adhesion of the CVD material at a CVD material feed port even if a solid CVD-material is used.
    • 公开了一种蒸发器,其中与CVD材料接触的CVD材料供给部分的至少一部分由耐腐蚀合成树脂构成; 以及包括冷却器和蒸发器的蒸发和供给装置,其中蒸发器的CVD材料供给部分的内部和CVD材料进料部分的蒸发室侧的表面由耐蚀合成树脂 ; 与蒸发器的外部接触的进料部分由金属构成; 并且由冷却器冷却由金属构成并且在加热蒸发室时从加热装置传热的CVD材料进料部分。 蒸发器和设备当用于向用于制造半导体的CVD设备供应气态CVD材料时,使得能够以期望的浓度和流速有效地蒸发和供应CVD材料,而不会在CVD材料上沉积或粘附CVD材料 即使使用固体CVD材料。
    • 8. 发明申请
    • BACKLIGHT UNIT
    • 背光单元
    • US20080239199A1
    • 2008-10-02
    • US12058135
    • 2008-03-28
    • Ryosuke WAKAKIAkira ASANO
    • Ryosuke WAKAKIAkira ASANO
    • G02F1/13357
    • G02B6/0088
    • A backlight unit includes a light source, a light guide guiding light from the light source, an optical sheet disposed on the light guide, and an inner frame having an opening housing the optical sheet. A peripheral portion of the optical sheet includes a projection group respectively at each of the longitudinal sides that are among the constituent sides of an approximately rectangular external contour of the optical sheet. The projection group includes a first projection arranged in a projection insertion region provided in a side wall of the inner frame and a second projection arranged outside of the projection insertion region in the opening of the inner frame.
    • 背光单元包括光源,引导来自光源的光的光导,设置在光导上的光学片和具有容纳光学片的开口的内框。 光学片的周边部分分别在光学片的近似矩形的外部轮廓的组成侧中的每个纵向侧上分别具有突出部。 突起组包括设置在内框架的侧壁中的突起插入区域中的第一突起和布置在内框架的开口中的突出插入区域外侧的第二突起。
    • 9. 发明申请
    • Osteoporosis Diagnosis Support Device
    • 骨质疏松诊断支持装置
    • US20070286467A1
    • 2007-12-13
    • US11665710
    • 2005-10-18
    • Akira AsanoAkira TaguchiTakashi NakamotoKenji TanimotoZainal Agus
    • Akira AsanoAkira TaguchiTakashi NakamotoKenji TanimotoZainal 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。