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1.发明授权Image processing device, image processing method, computer-readable recording device 有权图像处理装置，图像处理方法，计算机可读记录装置公开(公告)号：US08682048B2
公开(公告)日：2014-03-25
申请号：US13343796
申请日：2012-01-05
申请人： Masashi Hirota , Yamato Kanda , Makoto Kitamura , Takeshi Kono
发明人： Masashi Hirota , Yamato Kanda , Makoto Kitamura , Takeshi Kono
CPC分类号： G06T7/12 , G06T7/11 , G06T2207/10068 , G06T2207/30028 , G06T2207/30092
摘要： In an image processing device that discriminates between a mucosal region and a non-mucosal region that are contained in an intraluminal image, the image processing device includes a residue candidate region detecting unit that detects a residue candidate region to be discriminated whether the candidate region is a mucosal region or not, on the basis of a feature data of each pixel that constitutes the intraluminal image, a structure edge region detecting unit that detects a structure edge contained in the intraluminal image, and an approximate structure edge line calculating unit and an overlap deciding unit that discriminate whether the residue candidate region is a mucosal region or not, based on a relative positional relationship between the structure edge and the residue candidate region.
摘要翻译： 在区分管腔内图像中所含的粘膜区域和非粘膜区域的图像处理装置中，图像处理装置包括：残差候选区域检测单元，其对残留候选区域进行检测，判别候选区域是否为 基于构成管腔内图像的每个像素的特征数据的粘膜区域，检测管腔内图像中包含的结构边缘的结构边缘区域检测单元，以及近似结构边缘线计算单元和重叠区域 基于结构边缘和残留候选区域之间的相对位置关系来区分残留候选区域是否为粘膜区域的判定单元。
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2.发明授权Image processing apparatus, image processing method, and computer-readable recording device 有权图像处理装置，图像处理方法和计算机可读记录装置公开(公告)号：US08774521B2
公开(公告)日：2014-07-08
申请号：US13404470
申请日：2012-02-24
申请人： Yamato Kanda , Makoto Kitamura , Takashi Kono , Masashi Hirota
发明人： Yamato Kanda , Makoto Kitamura , Takashi Kono , Masashi Hirota
CPC分类号： G06T7/0012 , G06T2207/20036 , G06T2207/30021 , G06T2207/30096
摘要： An image processing apparatus includes an approximate-surface calculator that calculates multiple approximate surfaces that each approximate the pixel value of a pixel included in an examination-target region of an image; an approximate-surface selector that selects at least one approximate surface from the approximate surfaces on the basis of the relation between the pixel value of the pixel in the examination-target region and the approximate surfaces; an approximate-region setting unit that sets an approximate region that is approximated by at least the selected one approximate surface; and an abnormal-region detector that detects an abnormal region on the basis of the pixel value of a pixel in the approximate region and the value corresponding to the coordinates of that pixel on at least one approximate surface.
摘要翻译： 一种图像处理装置，包括近似表面计算器，其计算出近似所述图像的检查对象区域中包含的像素的像素值的多个近似面; 基于检查对象区域中的像素的像素值与近似表面之间的关系，从近似表面选择至少一个近似表面的近似表面选择器; 近似区域设置单元，其设置至少所选择的一个近似表面近似的近似区域; 以及异常区域检测器，其基于近似区域中的像素的像素值检测异常区域，并且在至少一个近似表面上对应于该像素的坐标值。
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3.发明授权Image processing device, image processing method, and computer readable recording device 有权图像处理装置，图像处理方法和计算机可读记录装置公开(公告)号：US09349185B2
公开(公告)日：2016-05-24
申请号：US13597876
申请日：2012-08-29
CPC分类号： G06T7/0081 , G06K9/00147 , G06T5/002 , G06T7/0012 , G06T7/11 , G06T2207/10024 , G06T2207/10068 , G06T2207/20036 , G06T2207/30028 , G06T2207/30096
摘要： An image processing device includes: a non-target region detecting unit that detects a region that is not to be examined as a non-target region from an image; a pixel-of-interest region setting unit that sets a pixel-of-interest region in a predetermined area including a pixel-of-interest position in the image; a surrounding region determining unit that determines a surrounding region, which is an area for acquiring information for use in forming a reference plane with respect to the pixel-of-interest position, based on the non-target region; a reference plane forming unit that forms the reference plane based on the information in the surrounding region; and an outlier pixel detecting unit that detects an outlier pixel having a pixel value numerically distant from circumferential values based on a difference between corresponding quantities of the reference plane at each pixel position and of the original image.
摘要翻译： 一种图像处理装置包括：非目标区域检测单元，其从图像中检测不被检查的区域作为非目标区域; 感兴趣像素区域设置单元，其将包括感兴趣像素位置的预定区域中的兴趣像素区域设置在图像中; 周边区域确定单元，其基于所述非目标区域来确定周围区域，所述周边区域是用于获取用于形成关于所述像素像素位置的参考平面的信息的区域; 参考平面形成单元，其基于周围区域中的信息形成参考平面; 以及异常值像素检测单元，其基于每个像素位置处的参考平面的对应量与原始图像之间的差异检测具有与周围值数值相距的像素值的异常值像素。
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4.发明授权Image processing apparatus, image processing method, and computer-readable recording device 有权图像处理装置，图像处理方法和计算机可读记录装置公开(公告)号：US09165370B2
公开(公告)日：2015-10-20
申请号：US13396844
申请日：2012-02-15
CPC分类号： G06T7/0083 , G06T7/11 , G06T7/143 , G06T7/162 , G06T2207/10068 , G06T2207/20076 , G06T2207/20081
摘要： An image processing apparatus includes a probability value calculator that calculates, based on color feature data of a pixel included in an image, respective probabilities that the pixel belongs to a specific area and a non-specific area; a weighted edge intensity calculator that calculates a weighted edge intensity between neighboring pixels based on pixel values and color feature data of the pixel included in the image and a neighboring pixel of the pixel; an energy function creator that uses the probabilities and the weighted edge intensity to create an energy function expressed by a result of an area determination of the pixel; and an area divider that divides the image into the plurality of areas based on the energy function.
摘要翻译： 图像处理装置包括概率值计算器，其基于图像中包括的像素的颜色特征数据计算像素属于特定区域和非特定区域的各自概率; 加权边缘强度计算器，其基于像素值和包括在图像中的像素的颜色特征数据和像素的相邻像素计算相邻像素之间的加权边缘强度; 能量函数创建器，其使用概率和加权边缘强度来创建由像素的面积确定的结果表示的能量函数; 以及基于能量函数将图像划分成多个区域的区域分割器。
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5.发明授权Image processing apparatus, image processing method, and computer-readable recording medium 有权图像处理装置，图像处理方法和计算机可读记录介质公开(公告)号：US08811698B2
公开(公告)日：2014-08-19
申请号：US13095157
申请日：2011-04-27
CPC分类号： G06T7/0012 , G06T7/12 , G06T7/149 , G06T7/187 , G06T2207/10024 , G06T2207/10068 , G06T2207/20021 , G06T2207/20116 , G06T2207/30028 , G06T2207/30092
摘要： An image processing apparatus includes: a gradient information calculating unit that calculates gradient information of each of pixels, based on pixel values of an intraluminal image; a closed region creating unit that, based on the gradient information, creates a closed region satisfying a condition where the closed region does not include, on the inside thereof, any pixel of which the gradient strength is equal to or higher than a predetermined value, and also, the boundary of the closed region does not curve toward the interior of the closed region, with a curvature equal to or larger than a predetermined value; and an abnormal part detecting unit that detects an abnormal part from the inside of the closed region.
摘要翻译： 图像处理装置包括：梯度信息计算单元，其基于管腔内图像的像素值来计算每个像素的梯度信息; 闭合区域生成单元，其基于所述梯度信息，在其内部创建满足所述闭合区域不包括的条件的闭合区域，所述像素的梯度强度等于或高于预定值， 并且闭合区域的边界不弯曲到封闭区域的内部，曲率等于或大于预定值; 以及异常部分检测单元，其从所述封闭区域的内部检测异常部分。
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6.发明授权Image processing apparatus, image processing method, and computer-readable recording medium 有权图像处理装置，图像处理方法和计算机可读记录介质公开(公告)号：US08620043B2
公开(公告)日：2013-12-31
申请号：US13215650
申请日：2011-08-23
IPC分类号： G06K9/00
CPC分类号： G06T7/0012 , G06T7/149 , G06T2207/30028
摘要： An image processing apparatus includes a gradient strength calculating unit that calculates a gradient strength of respective pixel values based on an intraluminal image; an extracting unit that extracts a closed region satisfying conditions that the pixel of which gradient strength is a predetermined value or more is not included in the region and a boundary of the region does not bend with a predetermined curvature or higher toward an inner side of the region; and a detecting unit that detects an abnormal portion inside the region. The extracting unit includes a setting unit that sets an initial shape of the region; an energy calculating unit that calculates values of types of energy including at least energies determined respectively by an outer shape of the region and the gradient strength; and an energy-weighted sum calculating unit that calculates a weighted sum of the types of energy.
摘要翻译： 一种图像处理装置，包括：梯度强度计算单元，其基于管腔内图像计算各像素值的梯度强度; 提取单元，其提取满足条件的闭合区域，该区域的梯度强度为预定值以上的像素不包括在该区域中，并且该区域的边界不以预定曲率或更高的方向朝向内侧 地区; 以及检测单元，其检测所述区域内的异常部分。 提取单元包括设置单元，其设置该区域的初始形状; 能量计算单元，其计算至少包括由所述区域的外部形状和所述梯度强度决定的能量的能量类型的值; 以及能量加权和计算单元，其计算能量类型的加权和。
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7.发明授权Image processing apparatus, image processing method, and computer-readable recording medium 有权图像处理装置，图像处理方法和计算机可读记录介质公开(公告)号：US08620042B2
公开(公告)日：2013-12-31
申请号：US13215599
申请日：2011-08-23
IPC分类号： G06K9/00
CPC分类号： G06T7/0012 , G06T7/149
摘要： An apparatus includes a calculating unit that calculates gradient strength of respective pixel values based on an intraluminal image, an extracting unit that extracts a closed region from the image, and a detecting unit that detects an abnormal portion of the closed region. The closed region satisfies conditions that the pixel of which gradient strength is a predetermined value or more is not included in the closed region and a boundary of the closed region does not bend with predetermined curvature or higher toward an inner side of the closed region. The extracting unit includes a setting unit that sets an initial closed region based on the gradient strength, an energy calculating unit that calculates values of types of energies based on an outer shape of the closed region and the gradient strength, and an energy weighted-sum calculating unit that calculates a weighted sum of the types of energy.
摘要翻译： 一种装置包括：计算单元，其基于管腔内图像计算各个像素值的梯度强度;提取单元，其从所述图像提取闭合区域;以及检测单元，其检测所述闭合区域的异常部分。 闭合区域满足在闭合区域中不包括梯度强度为预定值以上的像素的条件，并且闭合区域的边界不会朝着封闭区域的内侧以预定曲率或更高弯曲。 提取单元包括基于梯度强度设置初始闭合区域的设置单元，基于封闭区域的外形和梯度强度来计算能量类型的值的能量计算单元，以及能量加权和 计算单元，其计算能量类型的加权和。
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公开(公告)号：US09672612B2
公开(公告)日：2017-06-06
申请号：US13545529
申请日：2012-07-10
CPC分类号： G06T7/0012 , G06K9/4652 , G06K2209/053 , G06T7/11 , G06T7/12 , G06T7/155 , G06T7/187 , G06T7/90 , G06T2207/10016 , G06T2207/10024 , G06T2207/10068 , G06T2207/30028 , G06T2207/30096
摘要： An image processing device classifies a region of interest included in an image into multiple classification items. The image processing device has: an initial region detector that detects at least part of the region of interest and sets the part as an initial region; an expansion region detector that detects an expansion region by expanding the initial region; and a region determining unit that calculates feature data of the initial region and the expansion region, and determines, based on the feature data, to which of the multiple classification items the region of interest belongs.
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9.发明授权Image processing apparatus, image processing method, and computer-readable recording medium for extracting a dark portion area from an intraluminal image 有权图像处理装置，图像处理方法以及用于从管腔内图像中提取暗部区域的计算机可读记录介质公开(公告)号：US09053533B2
公开(公告)日：2015-06-09
申请号：US13177045
申请日：2011-07-06
CPC分类号： G06T7/0012 , G06T7/11 , G06T2207/10024 , G06T2207/10068 , G06T2207/20036 , G06T2207/20224 , G06T2207/30028
摘要： An image processing apparatus includes a low-luminance area detecting unit that detects a low-luminance area based on pixel values of pixels of the intraluminal image; a peripheral feature data calculating unit that calculates peripheral feature data based on pixel values of periphery of the low-luminance area; and a dark portion area determining unit that determines whether or not the low-luminance area is the dark portion area based on the peripheral feature data.
摘要翻译： 图像处理装置包括：低亮度区域检测单元，其基于管腔内图像的像素的像素值来检测低亮度区域; 周边特征数据计算单元，其基于所述低亮度区域的周边的像素值来计算周边特征数据; 以及黑暗部分区域确定单元，其基于所述外围特征数据来确定所述低亮度区域是否为暗区域。
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10.发明授权Image processing device, image processing method and computer readable recording device 有权图像处理装置，图像处理方法和计算机可读记录装置公开(公告)号：US08948479B2
公开(公告)日：2015-02-03
申请号：US13599429
申请日：2012-08-30
CPC分类号： G06T7/408 , G06T7/0012 , G06T7/90 , G06T2207/10068 , G06T2207/30028
摘要： An image processing device includes: a feature data calculator configured to calculate the feature data of each pixel in an image; an approximate shape calculator configured to calculate an approximate shape approximating a profile of a distribution area in which the feature data is distributed in a feature space having the feature data as an element; and an abnormal area detector configured to detect an abnormal area in the image based on the approximate shape and the profile of the distribution area.
摘要翻译： 图像处理装置包括：特征数据计算器，被配置为计算图像中的每个像素的特征数据; 近似形状计算器，被配置为计算将特征数据分布在具有特征数据的特征空间中的分布区域的轮廓近似形状作为元素; 以及异常区域检测器，被配置为基于分布区域的近似形状和轮廓来检测图像中的异常区域。
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