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1. 发明申请

US20120076372A1 MEDICAL IMAGE PROCESSING APPARATUS AND MEDICAL IMAGE PROCESSING METHOD 审中-公开
标题翻译：医学图像处理设备和医学图像处理方法
公开(公告)号：US20120076372A1
公开(公告)日：2012-03-29
申请号：US13197458
申请日：2011-08-03
申请人： Hirokazu NISHIMURA , Kenichi TANAKA , Yusuke TOMOTO
发明人： Hirokazu NISHIMURA , Kenichi TANAKA , Yusuke TOMOTO
IPC分类号： G06K9/00
CPC分类号： A61B1/05 , A61B1/00009 , G02B26/008 , G06T7/11 , G06T7/149 , G06T2207/10068 , G06T2207/20116 , G06T2207/30028
摘要： A medical image processing apparatus is a medical image processing apparatus performing image segmentation processing for a medical image including: a feature value calculating unit that calculates at least one feature value from the medical image; a category setting unit that sets, on the basis of the feature value calculated by the feature value calculating unit, plural categories in the medical image; a parameter setting unit that sets, on the basis of the feature value calculated by the feature value calculating unit, a parameter for each of areas of the medical image respectively classified into the categories set by the category setting unit; and an image segmenting unit that performs the image segmentation processing for the medical image according to an arithmetic operation of employing a dynamic contour model specified according to the number of categories set by the category setting unit and parameters set by the parameter setting unit.
摘要翻译：医疗图像处理装置是对医疗图像执行图像分割处理的医疗用图像处理装置，其特征在于，包括：特征量计算部，其从所述医用图像计算至少一个特征值; 类别设置单元，其基于由所述特征量计算单元计算出的特征值，设置所述医用图像中的多个类别; 参数设定单元，其基于由所述特征量计算单元计算出的特征量，设定分类为由所述类别设定单元设定的种类的所述医用图像的各区域的参数; 以及图像分割单元，其根据根据由类别设置单元设置的类别数量指定的动态轮廓模型和由参数设置单元设置的参数的算术运算，对医学图像执行图像分割处理。

2. 发明申请

US20120076374A1 IMAGE PROCESSING APPARATUS AND IMAGE PROCESSING METHOD 审中-公开
标题翻译：图像处理装置和图像处理方法
公开(公告)号：US20120076374A1
公开(公告)日：2012-03-29
申请号：US13206098
申请日：2011-08-09
申请人： Kenichi TANAKA , Yusuke TOMOTO , Hirokazu NISHIMURA
发明人： Kenichi TANAKA , Yusuke TOMOTO , Hirokazu NISHIMURA
IPC分类号： G06K9/00
CPC分类号： A61B1/0646 , G06T7/0012 , G06T2207/30028 , G06T2207/30096
摘要： An image processing apparatus according to the present invention includes a pixel selection unit adapted to select a pixel of interest from an image; a contrast feature value calculation unit adapted to calculate, as a contrast feature value, a value which represents an amount of change in contrast in a local region including the pixel of interest; a geometric feature value calculation unit adapted to calculate, as a geometric feature value, a value of an index which indicates whether or not a linear or massive structure is contained in the local region; an evaluation value calculation unit adapted to calculate an evaluation value by weighting each of the contrast feature value and the geometric feature value; and a region extraction unit adapted to extract a candidate region estimated to contain the linear or massive structure from the image based on a calculation result of the evaluation value.
摘要翻译：根据本发明的图像处理装置包括：像素选择单元，适于从图像中选择感兴趣像素; 对比度特征值计算单元，其适于计算表示包括感兴趣像素在内的局部区域中的对比度变化量作为对比度特征值的值; 一个几何特征值计算单元，用于计算一个索引的值作为几何特征值，该索引值指示线性或大块结构是否包含在局部区域中; 评估值计算单元，适于通过对每个所述对比度特征值和所述几何特征值进行加权来计算评估值; 以及区域提取单元，其适于基于所述评估值的计算结果从所述图像中提取估计为包含所述线性或大块结构的候选区域。

3. 发明申请

US20120076373A1 IMAGE PROCESSING APPARATUS AND IMAGE PROCESSING METHOD 有权
标题翻译：图像处理装置和图像处理方法
公开(公告)号：US20120076373A1
公开(公告)日：2012-03-29
申请号：US13206072
申请日：2011-08-09
申请人： Yusuke TOMOTO
发明人： Yusuke TOMOTO
IPC分类号： G06K9/00
CPC分类号： A61B1/00009 , A61B1/042 , A61B1/0646 , G06T7/0012 , G06T2207/10068 , G06T2207/30096 , G06T2207/30101
摘要： An image processing apparatus of the invention includes a first feature value calculation unit adapted to calculate a first feature value for each pixel in an image picked up of living tissue, where the first feature value represents a value of an index which indicates what shape a local region; a second feature value calculation unit adapted to calculate a degree of concentration of a gradient vector as a second feature value based on the gradient vector for each pixel in the image; an evaluation value calculation unit adapted to calculate a geometric evaluation value for each pixel, based on calculation results of the first feature value and the second feature value; and a region extraction unit of separately extracting a candidate region of the linear structure and a candidate region of the massive structure based on a calculation result of the geometric evaluation value.
摘要翻译：本发明的图像处理装置包括第一特征值计算单元，其适于计算生物体组织拾取的图像中的每个像素的第一特征值，其中第一特征值表示指示本地的形状的指数的值地区; 第二特征值计算单元，适于基于图像中的每个像素的梯度向量计算梯度矢量的浓度作为第二特征值; 评估值计算单元，用于基于所述第一特征值和所述第二特征值的计算结果来计算每个像素的几何评估值; 以及区域提取单元，其基于所述几何评估值的计算结果分别提取所述线状结构的候选区域和所述块状结构的候选区域。

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