公开(公告)号：US08295566B2

公开(公告)日：2012-10-23

申请号：US12208821

申请日：2008-09-11

申请人： Hirokazu Nishimura ,  Hideki Tanaka ,  Kenji Nakamura ,  Ryoko Inoue ,  Miho Sawa

发明人： Hirokazu Nishimura ,  Hideki Tanaka ,  Kenji Nakamura ,  Ryoko Inoue ,  Miho Sawa

IPC分类号： G06K9/00

CPC分类号： A61B1/04 ,  G06T7/0012 ,  G06T2207/10068 ,  G06T2207/30032

摘要： An image processing device includes; a lesion candidate region detecting section that detects a lesion candidate region based on at least one color signal in a medical image including a plurality of color signals; an incidental region detecting section that detects an incidental region that arises because of incidental attributes accompanying a lesion from the medical image; and a detection standard changing section that changes a detection standard when detecting a lesion from the lesion candidate region in accordance with a detection result of the incidental region.

摘要翻译： 图像处理装置包括： 病变候选区域检测部，其基于包括多个颜色信号的医学图像中的至少一个颜色信号来检测病变候选区域; 附带区域检测部，其检测由于来自医学图像的伴随病变的附带属性而产生的附带区域; 以及检测标准变更部，其根据所述附带区域的检测结果，从所述病变候补区域检测病变时，改变检测标准。

公开(公告)号：US08165367B2

公开(公告)日：2012-04-24

申请号：US12204375

申请日：2008-09-04

申请人： Ryoko Inoue ,  Hideki Tanaka ,  Hirokazu Nishimura ,  Kenji Nakamura ,  Miho Sawa

发明人： Ryoko Inoue ,  Hideki Tanaka ,  Hirokazu Nishimura ,  Kenji Nakamura ,  Miho Sawa

IPC分类号： G06K9/00

CPC分类号： G06T7/13 ,  G06T7/50 ,  G06T2207/10068 ,  G06T2207/30032

摘要： A medical image processing apparatus of the present invention has a three-dimensional model estimating section for estimating, based on an inputted two-dimensional image of an image of a living tissue within a body cavity, a three-dimensional model of the living tissue, a shape feature value calculating section for calculating shape feature values of respective voxels included in the three-dimensional model of the living tissue, a three-dimensional shape extracting section for extracting a first voxel group whose three-dimensional model has been estimated as a predetermined shape, in the respective voxels included in the three-dimensional model of the living tissue, based on the shape feature values, and a protruding shape detecting section for detecting the first voxel group as a voxel group configuring a protruding shape in the three-dimensional model of the living tissue.

摘要翻译： 本发明的医用图像处理装置具有三维模型推定部，其基于输入的体腔内的活体组织的图像的二维图像来估计生物体组织的三维模型， 一种形状特征量计算部分，用于计算生物体组织的三维模型中包括的各体素的形状特征值;三维形状提取部分，用于提取其三维模型已被估计为预定的第一体素组; 形状，在基于形状特征值的生物体组织的三维模型中包含的各个体素中，以及突起形状检测部，其检测第一体素组作为构成三维形状的突出形状的体素组 活体组织模型。

公开(公告)号：US07830378B2

公开(公告)日：2010-11-09

申请号：US12238603

申请日：2008-09-26

申请人： Ryoko Inoue ,  Hirokazu Nishimura ,  Hideki Tanaka ,  Kenji Nakamura ,  Miho Sawa

发明人： Ryoko Inoue ,  Hirokazu Nishimura ,  Hideki Tanaka ,  Kenji Nakamura ,  Miho Sawa

IPC分类号： G06T17/00

CPC分类号： G06T7/0012 ,  A61B1/05 ,  G06T7/12 ,  G06T7/55 ,  G06T17/30 ,  G06T2207/10016 ,  G06T2207/10068 ,  G06T2207/30028 ,  G06T2207/30032

摘要： A medical image processing apparatus of the invention comprises: a three-dimensional model estimating section that estimates a three-dimensional model of body tissues based on a two-dimensional image of an image of the body tissues inside a body cavity inputted from a medical image pickup apparatus; a voxel detecting section that detects one voxel existing on a nearest side in a view direction of the medical image pickup apparatus among the voxels included in the three-dimensional model; and a raised shape detecting section that acquires one curved surface including the one voxel to detect a position with gradient variation on the one curved surface and to determine whether or not body tissues with a locally raised shape exist in the position in the three-dimensional model.

摘要翻译： 本发明的医用图像处理装置包括：三维模型估计部，其基于从医学图像输入的体腔内的身体组织的图像的二维图像来估计身体组织的三维模型 拾取装置; 体素检测部，其检测在所述三维模型中包含的所述体素中，存在于所述医用图像拾取装置的视线方向上的最近侧的一个体素; 以及升高形状检测部，其获取包括所述一个体素的一个曲面，以检测在所述一个曲面上具有梯度变化的位置，并且确定在所述三维模型中的位置是否存在具有局部凸起形状的身体组织 。

公开(公告)号：US08335361B2

公开(公告)日：2012-12-18

申请号：US12209567

申请日：2008-09-12

申请人： Kenji Nakamura ,  Hideki Tanaka ,  Hirokazu Nishimura ,  Ryoko Inoue ,  Miho Sawa

发明人： Kenji Nakamura ,  Hideki Tanaka ,  Hirokazu Nishimura ,  Ryoko Inoue ,  Miho Sawa

IPC分类号： G06K9/00

CPC分类号： A61B1/04 ,  G06T5/002 ,  G06T5/005 ,  G06T5/30 ,  G06T7/13 ,  G06T7/155 ,  G06T2207/10068 ,  G06T2207/30004 ,  H04N1/4097

摘要： A medical image processing apparatus which performs image processing on a medical input image, includes: a pixel extraction portion for extracting an inappropriate pixel satisfying a predetermined condition in the input image, a replacing pixel information calculation portion for calculating replacing information with which pixel information of the inappropriate pixel is to be replaced, based on pixel information of a predetermined region including the extracted inappropriate pixel or adjacent to the extracted inappropriate pixel and a replaced image generation portion for replacing the pixel information of the inappropriate pixel in the input image with the replacing information and generating a replaced image.

摘要翻译： 一种对医用输入图像进行图像处理的医用图像处理装置，包括：用于提取在输入图像中满足预定条件的不适当像素的像素提取部分，用于计算替换信息的替换信息， 基于包括提取的不适当像素或与提取的不适当像素相邻的预定区域的像素信息来替换不适当像素，以及替换图像生成部分，用于替换输入图像中的不适当像素的像素信息， 信息并生成替换的图像。

公开(公告)号：US08244009B2

公开(公告)日：2012-08-14

申请号：US12208904

申请日：2008-09-11

申请人： Hideki Tanaka ,  Hirokazu Nishimura ,  Kenji Nakamura ,  Ryoko Inoue ,  Miho Sawa

发明人： Hideki Tanaka ,  Hirokazu Nishimura ,  Kenji Nakamura ,  Ryoko Inoue ,  Miho Sawa

IPC分类号： G06K9/00

CPC分类号： G06T7/0012 ,  G06K9/4609 ,  G06T7/74 ,  G06T2207/10068 ,  G06T2207/30028

摘要： A CPU executes a gray value gradient calculation process to, for example, an R signal in step S10, executes an isotropic change feature value calculation process based on a gray value gradient calculated in step S11, and further executes a possible polyp detection process for generating a possible polyp image at a location where a polyp exists based on an isotropic change feature value calculated in step S12. This improves the detection of an existing location of an intraluminal abnormal tissue.

摘要翻译： CPU在步骤S10中执行例如R信号的灰度值梯度计算处理，基于在步骤S11中计算出的灰度值梯度来执行各向同性变化特征量计算处理，并进一步执行可能的息肉检测处理 基于在步骤S12中计算的各向同性变化特征值，存在息肉的位置处的可能息肉图像。 这改善了管腔内异常组织的现有位置的检测。

公开(公告)号：US08165370B2

公开(公告)日：2012-04-24

申请号：US12359719

申请日：2009-01-26

申请人： Ryoko Inoue ,  Hirokazu Nishimura ,  Hideki Tanaka ,  Kenji Nakamura ,  Miho Sawa

发明人： Ryoko Inoue ,  Hirokazu Nishimura ,  Hideki Tanaka ,  Kenji Nakamura ,  Miho Sawa

IPC分类号： G06K9/00

CPC分类号： A61B1/04 ,  G06T7/0012 ,  G06T2200/04 ,  G06T2207/10068 ,  G06T2207/30032

摘要： Main parts of an endoscope system of the present invention include a medical observation apparatus, a medical image processing apparatus, and a monitor. A CPU of the medical image processing apparatus is constituted by function units including a three-dimensional model estimating unit, a detection target area setting unit, a shape feature value calculating unit, a three-dimensional shape detecting unit, a threshold determining unit, and a polyp determining unit. Such a configuration enables to execute a process appropriately adapted to an observation state of a targeted two-dimensional image and to improve the detection accuracy in the detection of a lesion with locally elevated shape as compared to the past.

摘要翻译： 本发明的内窥镜系统的主要部分包括医疗观察装置，医用图像处理装置和监视器。 医疗图像处理装置的CPU由包括三维模型估计单元，检测对象区域设定单元，形状特征值计算单元，三维形状检测单元，阈值确定单元和阈值确定单元的功能单元构成 息肉确定单元。 这样的配置能够执行适合于目标二维图像的观察状态的处理，并且与过去相比，提高了具有局部升高的形状的病变的检测的检测精度。

公开(公告)号：US08515141B2

公开(公告)日：2013-08-20

申请号：US12388832

申请日：2009-02-19

申请人： Miho Sawa ,  Hirokazu Nishimura ,  Hideki Tanaka ,  Ryoko Inoue ,  Kenji Nakamura

发明人： Miho Sawa ,  Hirokazu Nishimura ,  Hideki Tanaka ,  Ryoko Inoue ,  Kenji Nakamura

IPC分类号： G06K9/00

CPC分类号： G06T7/0012 ,  A61B1/042 ,  G06T7/13 ,  G06T7/181 ,  G06T7/44 ,  G06T7/507 ,  G06T2200/04 ,  G06T2207/10016 ,  G06T2207/10068 ,  G06T2207/20021 ,  G06T2207/20132 ,  G06T2207/30032

摘要： A medical image processing apparatus of the present invention includes: a three-dimensional model estimating section for estimating a three-dimensional model of an object based on a two-dimensional image of an image of the object which is inputted from a medical image pickup apparatus; an image dividing section for dividing the two-dimensional image into a plurality of regions each of which includes at least one or more pixels; a feature value calculation section for calculating a feature value according to a grayscale of each pixel in one region for each of the plurality of regions; and a lesion detection reference setting section for setting lesion detection reference for detecting a locally protruding lesion in the regions of the three-dimensional model which correspond to each of the plurality of regions, based on the feature value according to the grayscale.

摘要翻译： 本发明的医用图像处理装置包括：三维模型估计部，其基于从医用图像拾取装置输入的对象的图像的二维图像来估计对象的三维模型 ; 图像分割部分，用于将二维图像分割成多个区域，每个区域包括至少一个或多个像素; 特征值计算部分，用于根据所述多个区域中的每一个的一个区域中的每个像素的灰度来计算特征值; 以及病变检测基准设定部，其基于所述特征值，根据所述灰度，设定用于检测与所述多个区域中的每一个相对应的所述三维模型的区域中的局部突出的病变的病变检测基准。

公开(公告)号：US08238629B2

公开(公告)日：2012-08-07

申请号：US12208720

申请日：2008-09-11

申请人： Hideki Tanaka ,  Hirokazu Nishimura ,  Kenji Nakamura ,  Ryoko Inoue ,  Miho Sawa

发明人： Hideki Tanaka ,  Hirokazu Nishimura ,  Kenji Nakamura ,  Ryoko Inoue ,  Miho Sawa

IPC分类号： G06K9/00

CPC分类号： G06T7/0012 ,  G06T7/12 ,  G06T11/203 ,  G06T2207/10068 ,  G06T2207/30032

摘要： A CPU implements a possible polyp detection process of step S4 to execute processing for each label value of a thinned image and superimpose a processing result on a possible polyp image, thereby generating a possible polyp labeling image in which a possible polyp edge is labeled. The possible polyp labeling image, in which the possible polyp image is superimposed on an original image, is displayed on a display device so that a possible polyp location on the image can be easily checked, thereby improving the detection accuracy of an intraluminal abnormal tissue.

摘要翻译： CPU实施步骤S4的可能的息肉检测处理，对稀疏图像的每个标签值执行处理，并将处理结果叠加在可能的息肉图像上，从而生成可能的息肉标签图像，其中可能的息肉边缘被标记。 将可能的息肉图像叠加在原始图像上的可能的息肉标记图像显示在显示装置上，使得可以容易地检查图像上可能的息肉位置，从而提高管腔内异常组织的检测精度。

公开(公告)号：US08184146B2

公开(公告)日：2012-05-22

申请号：US12208827

申请日：2008-09-11

申请人： Hideki Tanaka ,  Hirokazu Nishimura ,  Kenji Nakamura ,  Ryoko Inoue ,  Miho Sawa

发明人： Hideki Tanaka ,  Hirokazu Nishimura ,  Kenji Nakamura ,  Ryoko Inoue ,  Miho Sawa

IPC分类号： H04N13/00

CPC分类号： G06T7/0012 ,  A61B1/05 ,  G06T17/00 ,  G06T2207/10068

摘要： An image processing apparatus includes: a surface model generation section for performing processing for generating a three-dimensional surface model from a two-dimensional medical image; and an area reliability calculation section for dividing the surface model into multiple areas and calculating the reliability of data in each of the multiple areas.

摘要翻译： 一种图像处理装置，包括：表面模型生成部，其进行从二维医用图像生成三维表面模型的处理; 以及区域可靠性计算部分，用于将表面模型划分为多个区域并计算多个区域中的每一个中的数据的可靠性。

公开(公告)号：US08086005B2

公开(公告)日：2011-12-27

申请号：US12204330

申请日：2008-09-04

申请人： Ryoko Inoue ,  Hirokazu Nishimura ,  Hideki Tanaka ,  Kenji Nakamura ,  Miho Sawa

发明人： Ryoko Inoue ,  Hirokazu Nishimura ,  Hideki Tanaka ,  Kenji Nakamura ,  Miho Sawa

IPC分类号： G06K9/00

CPC分类号： G06T7/13 ,  G06T7/50 ,  G06T2207/10068 ,  G06T2207/30032

摘要： A medical image processing apparatus of the present invention includes an edge extracting section that extracts edges of an inputted two-dimensional image, a three-dimensional-model estimating section that estimates a three-dimensional model on the basis of the two-dimensional image, a voxel extracting section that extracts, on the basis of positions of respective voxels, where the edges are present, a predetermined voxel group to be set as a calculation object of a shape feature value, a shape-feature-value calculating section that calculates the shape feature value for at least a part of voxels among the predetermined voxel group, a three-dimensional-shape extracting section that extracts a voxel group, a three-dimensional model of which is estimated as a predetermined shape, on the basis of the shape feature value, and a tuberal-shape detecting section that detects the voxel group as a voxel group forming a tuberal shape in the three-dimensional model of the living tissue.

摘要翻译： 本发明的医用图像处理装置具有提取输入的二维图像的边缘的边缘提取部，基于二维图像估计三维模型的三维模型估计部， 基于所述边缘存在的各个体素的位置，将被设定为形状特征量的计算对象的预定体素组，提取形状特征值计算部，所述体素特征量计算部， 形状特征值，用于在所述预定体素组中的体素的至少一部分，基于所述形状来提取其三维模型被估计为预定形状的体素组，所述体素组提取部 特征值，以及检测体素组作为在生物体组织的三维模型中形成结节形状的体素组的横截面形状检测部。