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11.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：US08670622B2
公开(公告)日：2014-03-11
申请号：US13207819
申请日：2011-08-11
IPC分类号： G06K9/48
CPC分类号： G06T7/13 , G06T7/136 , G06T7/181 , G06T2207/10068
摘要： An image processing apparatus includes a gradient magnitude calculating unit that calculates a gradient magnitude of each pixel on the basis of pixel values of a target image in which a predetermined target object is imaged; a candidate-edge detecting unit that detects contour-candidate edge positions on the basis of the gradient magnitude of each pixel; a reference-range setting unit that sets a reference range, which is to be referred to when a contour edge position is selected from among the contour-candidate edge positions, on the basis of the gradient magnitude of each pixel; and a contour-edge selecting unit that selects, as the contour edge position, one of the contour-candidate edge positions in the reference range.
摘要翻译： 一种图像处理装置，包括：梯度幅度计算单元，其基于其中对预定目标对象进行成像的目标图像的像素值计算每个像素的梯度大小; 候选边缘检测单元，其基于每个像素的梯度大小来检测轮廓候选边缘位置; 参考范围设定单元，其基于每个像素的梯度大小，设定当从轮廓候选边缘位置中选择轮廓边缘位置时参考的参考范围; 以及轮廓边缘选择单元，其选择参考范围中的轮廓候选边缘位置之一作为轮廓边缘位置。
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12.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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13.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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14.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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15.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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16.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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17.发明授权Image processing apparatus, image processing method, and computer-readable storage device 有权图像处理装置，图像处理方法和计算机可读存储装置公开(公告)号：US09065968B2
公开(公告)日：2015-06-23
申请号：US13248460
申请日：2011-09-29
CPC分类号： H04N5/142 , G06T7/13 , G06T7/181 , G06T2207/10068 , G06T2207/30028 , G06T2207/30092
摘要： An image processing apparatus includes a contour-candidate-edge detecting unit that detects, as contour candidate edges, edges based on a gradient magnitude of each pixel in a target image; a contour-edge detecting unit that detect contour edges by performing thresholding on gradient magnitudes of the contour candidate edges; an interpolation-line generating unit that generates interpolation lines for connecting end points of respective end-point pairs based on gradients of pixel values between the end points while each of the end point pairs is made up of an end point of an identical contour edge as a connection base and an end point of a different contour edge as a connection destination; and a contour-edge interpolating unit that selects one of the interpolation lines based on the gradients of pixel values on the interpolation lines and interpolates a contour edge between the end points with the selected interpolation line.
摘要翻译： 图像处理装置包括轮廓候选边缘检测单元，其基于目标图像中的每个像素的梯度大小来检测作为轮廓候选边缘的边缘; 轮廓边缘检测单元，其通过对所述轮廓候选边缘的梯度幅度进行阈值处理来检测轮廓边缘; 插补线生成单元，其基于端点对之间的像素值的梯度生成用于连接各端点对的端点的插补线，而每个端点对由相同轮廓边缘的端点组成， 连接基座和作为连接目的地的不同轮廓边缘的终点; 以及轮廓边缘内插单元，其基于所述插补线上的像素值的梯度选择所述插值线之一，并且利用所选择的插补线插值所述端点之间的轮廓边缘。
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18.发明授权Image processing apparatus, method and computer readable recording medium for detecting abnormal area based on difference between pixel value and reference surface 有权图像处理装置，方法和计算机可读记录介质，用于基于像素值和参考表面之间的差异来检测异常区域公开(公告)号：US08989467B2
公开(公告)日：2015-03-24
申请号：US13177072
申请日：2011-07-06
CPC分类号： G06T7/0012 , G06T2207/10024 , G06T2207/10068 , G06T2207/20036 , G06T2207/20224 , G06T2207/30028
摘要： An image processing apparatus includes a reference surface generating unit that generates a reference surface indicating a reference value of each of a plurality of color elements of pixels constituting an intraluminal image at a pixel position of the each color element by performing a morphology process using pixel values of the color elements; and an abnormal area detecting unit that detects an abnormal area from the intraluminal image based on a difference for each of the color elements between the pixel value of each pixel and the reference surface.
摘要翻译： 一种图像处理装置，包括参考表面生成单元，该参考表面生成单元通过使用像素值进行形态学处理，生成表示构成每个颜色单元的像素位置的构成管腔内图像的多个彩色像素的基准值的基准面 的颜色元素; 以及异常区域检测单元，其基于每个像素的像素值与参考表面之间的每个颜色元素的差来检测来自管腔内图像的异常区域。
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19.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：US08897520B2
公开(公告)日：2014-11-25
申请号：US13210802
申请日：2011-08-16
CPC分类号： G06T7/0012 , G06T2207/10024 , G06T2207/10068 , G06T2207/10152 , G06T2207/30028
摘要： An image processing apparatus includes an approximate value calculating unit that calculates an approximate value that becomes consecutive inside an examination area for a pixel value of each pixel of the examination area based on the pixel value inside an image, a validity evaluating unit that evaluates whether the approximate value is valid on the pixel value, an area dividing unit that divides the examination area with the approximate value that is evaluated as being invalid, an examination area re-setting unit that sets each divided area obtained by the area dividing unit as a new examination area and controls a repetition of processing, and an abnormal portion detecting unit that detects an abnormal portion based on the pixel value inside the image and the approximate value that has been evaluated as being valid by the validity evaluating unit.
摘要翻译： 图像处理装置包括近似值计算单元，其基于图像内的像素值计算在检查区域内对于检查区域的每个像素的像素值变得连续的近似值，有效性评估单元，其评估是否 近似值对像素值有效，区域划分单元，其将检查区域与被评估为无效的近似值分隔;检查区域重新设定单元，其将由区域划分单元获得的每个划分区域设置为新的 检查区域并控制重复处理;以及异常部分检测单元，其基于图像内的像素值和由有效性评估单元评估为有效的近似值来检测异常部分。
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20.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：US08837821B2
公开(公告)日：2014-09-16
申请号：US13100667
申请日：2011-05-04
CPC分类号： G06T7/0079 , G06T7/0012 , G06T7/11 , G06T7/13 , G06T7/136 , G06T2207/10024 , G06T2207/10068 , G06T2207/30028 , G06T2207/30092
摘要： An image processing apparatus includes: a first judging unit that determines an unnecessary candidate region, on a basis of first feature data based on color information of an intraluminal image; and a second judging unit that judges whether the unnecessary candidate region is an unnecessary region, based on second feature data, which is different from the first feature data, of the unnecessary candidate region.
摘要翻译： 一种图像处理装置包括：第一判断单元，基于基于管腔内图像的颜色信息的第一特征数据来确定不必要的候选区域; 以及第二判断单元，基于不必要的候选区域的不同于第一特征数据的第二特征数据来判断不必要的候选区域是不需要的区域。
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