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    • 10. 发明申请
    • MULTIMODAL LASER SPECKLE IMAGING
    • 多模激光散斑成像
    • WO2011029086A2
    • 2011-03-10
    • PCT/US2010047949
    • 2010-09-07
    • UNIV JOHNS HOPKINSREGE ABHISHEKTHAKOR NITISHMURARI KARTIKEYALI NAN
    • REGE ABHISHEKTHAKOR NITISHMURARI KARTIKEYALI NAN
    • A61B5/026A61B5/1455
    • A61B5/0075A61B5/0035A61B5/0062A61B5/0261A61B5/489A61B2576/00
    • A system for multimodal laser speckle imaging may include a first light source positioned to emit laser light toward a target, a second light source positioned to emit light toward the target, a camera positioned to receive light scattered from the target, and a processor. The processor may be programmed to receive from the at least one camera at least one image of the target as illuminated by the laser, obtain a laser speckle contrast image of the target from the at least one image of the target as illuminated by the laser, receive from the at least one camera at least one image of the target as illuminated by the second light source, divide the laser speckle contrast image into subparts, and divide the at least one image of the target as illuminated by the second light source into identical subparts, determine whether each subpart includes a feature of a certain type by combining each subpart of the laser speckle contrast image with the at least one image of the target as illuminated by the second light source and comparing the combination with one or more criteria, and outputting the location and type of features detected in a subpart of the images.
    • 用于多模式激光散斑成像的系统可包括定位成朝向目标发射激光的第一光源,定位成朝目标发射光的第二光源,定位成接收从目标散射的光的相机,以及处理器。 处理器可以被编程为从至少一个相机接收由激光照射的目标的至少一个图像,从激光照射的目标的至少一个图像获得目标的激光散斑对比度图像, 从所述至少一个相机接收由所述第二光源照射的所述目标的至少一个图像,将所述激光散斑对比度图像划分为子部分,并且将由所述第二光源照亮的所述目标的所述至少一个图像划分为相同的 通过将激光散斑对比度图像的每个子部分与由第二光源照射的目标的至少一个图像进行组合并且将该组合与一个或多个标准进行比较来确定每个子部分是否包括特定类型的特征,以及 输出在图像的子部分中检测到的特征的位置和类型。