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    • 5. 发明公开
    • OBJECT OBSERVATION DEVICE, OBJECT OBSERVATION METHOD, AND RECORDING MEDIUM
    • OBJEKTBEOBACHTUNGSVORRICHTUNG UND OBJEKTBEOBACHTUNGSVERFAHREN
    • EP2839785A1
    • 2015-02-25
    • EP13775158.2
    • 2013-04-04
    • Advanced Telecommunications Research Institute International
    • SHIMOKAWA, TakeakiKOSAKA, TakashiYAMASHITA, OkitoSATO, Masaaki
    • A61B10/00
    • G01N21/4785A61B5/0042A61B5/0073A61B5/0091A61B10/0041G01N2201/121G01N2201/12753
    • In order to solve a problem that a local optical characteristic-changed region inside an object cannot be accurately estimated, an object observing apparatus includes: a light intensity information acquiring unit that acquires light intensity information received by each light-receiving probe in a case where light with a certain light intensity is transmitted from each light-transmitting probe of a near-infrared measurement apparatus to an object; a light intensity change information acquiring unit that acquires, for each probe set, light intensity change information regarding a light intensity change, from reference light intensity information and light intensity information; an estimating unit that acquires three-dimensional optical characteristic-changed region information regarding a position with a light absorbance change inside the object, using the light intensity change information; and an output unit that outputs the optical characteristic-changed region information; wherein the estimating unit includes: a correcting part that performs correction according to sensitivity attenuation in accordance with a depth, using sensitivity information; and a sparseness applying part that introduces sparseness for improving a space resolution, thereby acquiring the optical characteristic-changed region information. Accordingly, it is possible to accurately estimate, as three-dimensional information, a local optical characteristic-changed region inside an object.
    • 为了解决不能精确地估计物体内的局部光学特性变化区域的问题,物体观察装置包括:光强度信息获取单元,其获取由各受光探针接收的光强度信息, 具有一定光强度的光从近红外测量装置的每个透光探针发射到物体; 光强度变化信息获取单元,对于每个探针组,从参考光强度信息和光强度信息中获取关于光强度变化的光强度变化信息; 估计单元,使用光强度变化信息获取与物体内部具有吸光度变化的位置有关的三维光学特性变化区域信息; 以及输出单元,其输出所述光学特性变化区域信息; 其中所述估计单元包括:校正部件,使用灵敏度信息根据深度根据灵敏度衰减进行校正; 以及引入稀疏性以提高空间分辨率的稀疏性施加部,从而获取光学特性变化区域信息。 因此,作为三维信息可以准确地估计对象内部的局部光学特性变化区域。