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    • 26. 发明申请
    • Optical detection of dental caries
    • 龋齿的光学检测
    • US20070248931A1
    • 2007-10-25
    • US11408360
    • 2006-04-21
    • Victor WongRongguang LiangMichael MarcusPaul McLaughlinDavid Patton
    • Victor WongRongguang LiangMichael MarcusPaul McLaughlinDavid Patton
    • A61C1/00
    • A61B5/0088
    • A method for caries detection uses an image capture device (30, 32) to obtain fluorescence image data from the tooth (20) by illuminating the tooth to excite fluorescent emission. A first enhanced image of the tooth is then obtained by illuminating the tooth at a first incident angle, obtaining a back-scattered reflectance image data from the tooth tissue, and combining the back-scattered reflectance image data with the fluorescence image data. A second enhanced image of the tooth is then obtained by illuminating the tooth at a second incident angle, obtaining a back-scattered reflectance image data from the tooth tissue, and combining the back-scattered reflectance image data with the fluorescence image data. The first and second enhanced images are then analyzed to select and display the best-contrast image. This method provides high contrast images for carious regions (58) on all tooth surfaces.
    • 用于龋齿检测的方法使用图像捕获装置(30,32)通过照亮牙齿来激发荧光发射来从牙齿(20)获得荧光图像数据。 然后通过以第一入射角照射牙齿获得牙齿的第一增强图像,从牙齿组织获得反向散射反射图像数据,并将后向散射反射图像数据与荧光图像数据组合。 然后通过以第二入射角照射牙齿获得牙齿的第二增强图像,从牙齿组织获得反向散射反射图像数据,并将后向散射反射图像数据与荧光图像数据组合。 然后分析第一和第二增强图像以选择和显示最佳对比度图像。 该方法为所有牙齿表面上的龋齿区域(58)提供高对比度图像。