公开(公告)号：US09165344B2

公开(公告)日：2015-10-20

申请号：US13617935

申请日：2012-09-14

申请人： Pin Zhang ,  Hongfeng Ma

发明人： Pin Zhang ,  Hongfeng Ma

IPC分类号： G06K9/00 ,  G06T5/00 ,  G06T5/10

CPC分类号： G06T5/002 ,  G06T5/10 ,  G06T2207/10072 ,  G06T2207/20016 ,  G06T2207/20064 ,  G06T2207/20192

摘要： An image processing apparatus and method are disclosed. The apparatus may include: a wavelet transform device for performing wavelet transform on an input image to decompose the input image into a plurality of levels of different scales, each level including a low frequency component and a plurality of high frequency components; a compensation template generating device for generating a compensation template for each level according to the plurality of high frequency components in the level, the compensation template reflecting combination feature of the plurality of high frequency components; a de-noising device for de-noising the low frequency component of each level and performing edge compensation on the low frequency component with the compensation template to acquire a compensated low frequency component; and a wavelet inverse transform device for performing inverse wavelet transform with the compensated low frequency component and the high frequency components of each level to acquire a de-noised image.

摘要翻译： 公开了一种图像处理装置和方法。 该装置可以包括：小波变换装置，用于对输入图像执行小波变换，以将输入图像分解成多个不同尺度的级别，每个级包括低频分量和多个高频分量; 补偿模板生成装置，用于根据所述多个所述高频分量中的所述多个高频分量生成针对各个等级的补偿模板，所述补偿模板反映所述多个高频分量的组合特征; 一个去噪装置，用于对每个电平的低频分量进行去噪，并用补偿模板对低频分量执行边缘补偿以获得补偿的低频分量; 以及小波逆变换装置，用于利用补偿的低频分量和各级的高频分量执行逆小波变换，以获取去噪图像。

公开(公告)号：US09202261B2

公开(公告)日：2015-12-01

申请号：US13402435

申请日：2012-02-22

申请人： Hongfeng Ma ,  Pin Zhang ,  Yanli Wang ,  Hitoshi Yamagata

发明人： Hongfeng Ma ,  Pin Zhang ,  Yanli Wang ,  Hitoshi Yamagata

IPC分类号： G06T5/00 ,  G06T5/50

CPC分类号： G06T5/002 ,  G06T5/50 ,  G06T2207/30004

摘要： The disclosure provides an image processing apparatus and method. The image processing apparatus may include: a filter for performing an iterative filtering on an input image; and an iterative filtering stopping device for determining whether to stop the iterative filtering according to a variation speed of the filtered image obtained from each iteration of the iterative filtering with increasing of iteration times.

摘要翻译： 本公开提供了一种图像处理装置和方法。 图像处理装置可以包括：用于对输入图像执行迭代滤波的滤波器; 以及迭代滤波停止装置，用于根据迭代滤波的迭代的迭代速度随着迭代次数的增加而确定是否停止迭代滤波。

公开(公告)号：US20130243279A1

公开(公告)日：2013-09-19

申请号：US13617935

申请日：2012-09-14

申请人： Pin ZHANG ,  Hongfeng Ma

发明人： Pin ZHANG ,  Hongfeng Ma

IPC分类号： G06T5/00

CPC分类号： G06T5/002 ,  G06T5/10 ,  G06T2207/10072 ,  G06T2207/20016 ,  G06T2207/20064 ,  G06T2207/20192

摘要： An image processing apparatus and method are disclosed. The apparatus may include: a wavelet transform device for performing wavelet transform on an input image to decompose the input image into a plurality of levels of different scales, each level including a low frequency component and a plurality of high frequency components; a compensation template generating device for generating a compensation template for each level according to the plurality of high frequency components in the level, the compensation template reflecting combination feature of the plurality of high frequency components; a de-noising device for de-noising the low frequency component of each level and performing edge compensation on the low frequency component with the compensation template to acquire a compensated low frequency component; and a wavelet inverse transform device for performing inverse wavelet transform with the compensated low frequency component and the high frequency components of each level to acquire a de-noised image.

摘要翻译： 公开了一种图像处理装置和方法。 该装置可以包括：小波变换装置，用于对输入图像执行小波变换，以将输入图像分解成多个不同尺度的级别，每个级包括低频分量和多个高频分量; 补偿模板生成装置，用于根据所述多个所述高频分量中的所述多个高频分量生成针对各个等级的补偿模板，所述补偿模板反映所述多个高频分量的组合特征; 一个去噪装置，用于对每个电平的低频分量进行去噪，并用补偿模板对低频分量执行边缘补偿以获得补偿的低频分量; 以及小波逆变换装置，用于利用补偿的低频分量和各级的高频分量执行逆小波变换，以获取去噪图像。

公开(公告)号：US20080107230A1

公开(公告)日：2008-05-08

申请号：US11936879

申请日：2007-11-08

申请人： Hongfeng Ma ,  Jun Zhang ,  Songmin Quan ,  Yan Kang

发明人： Hongfeng Ma ,  Jun Zhang ,  Songmin Quan ,  Yan Kang

IPC分类号： G01N23/00

CPC分类号： G01N23/046 ,  G01N2223/419

摘要： The present invention discloses apparatus, method, and system for CT image processing; said apparatus comprises: an interface unit for obtaining CT images; a target region separation unit for separating said target region from the CT images by means of judging the CT values of voxel points in said CT images, wherein points with CT values greater than or equal to the threshold for target region separation constitute the target region, and said target region comprises at least one separate region; a false positive region removing unit for removing false positive regions from said target region and obtaining the accurate target region. The present invention can be used to quickly and conveniently determine the target region to be detected, measure the characteristic data of the target region, and display the physical and relative positions of the target region in a three-dimensional manner; with a lower threshold for target region separation, the present invention can reduce the omission rate of detection; in addition, on that base, the present invention can remove possible false positive regions, thereby describing the target region accurately and improve accuracy of target information.

摘要翻译： 本发明公开了用于CT图像处理的装置，方法和系统; 所述装置包括：用于获得CT图像的接口单元; 目标区域分离单元，用于通过判断CT图像中的体素点的CT值来分离所述目标区域与CT图像，其中CT值大于或等于目标区域分离阈值的点构成目标区域， 并且所述目标区域包括至少一个分开的区域; 假阳性区域去除单元，用于从所述目标区域去除假阳性区域并获得准确的目标区域。 本发明可用于快速方便地确定要检测的目标区域，测量目标区域的特征数据，并以三维方式显示目标区域的物理和相对位置; 对于目标区域分离具有较低的阈值，本发明可以降低检测的省略率; 此外，在该基础上，本发明可以去除可能的假阳性区域，从而准确地描述目标区域并提高目标信息的准确性。

公开(公告)号：US20080025589A1

公开(公告)日：2008-01-31

申请号：US11636475

申请日：2006-12-11

申请人： Hongfeng Ma ,  Qiang Di ,  Lei Wu ,  Honglei Fu ,  Longwei Mei ,  Liang Tian ,  Songmin Quan ,  Jun Zhang ,  Yan Kang

发明人： Hongfeng Ma ,  Qiang Di ,  Lei Wu ,  Honglei Fu ,  Longwei Mei ,  Liang Tian ,  Songmin Quan ,  Jun Zhang ,  Yan Kang

IPC分类号： G06K9/00

CPC分类号： G06K9/34 ,  A61B6/50 ,  G06K2209/05 ,  G06T7/0012 ,  G06T7/11 ,  G06T2207/10081 ,  G06T2207/30084

摘要： The present invention discloses an abdominal CT image measuring apparatus and method. The abdominal CT image measuring apparatus includes: an interface unit; a part recognizing unit and a characteristic data computing unit. The present invention can determine the specific region of the part under test with a little amount of computation, by registration and subtraction operation on the two-phase scan images. This is easy to be carried out in computers, thus the computing speed of the characteristic data can be guaranteed and the efficiency can be improved. By the recognizing of the kidney regions and the abdominal aorta region in the present invention, the glomerular filtration rates obtained by applying the key concept of the present invention to the image measuring of glomerular filtration rate can meet the clinical application requirements in both precision and speed.

摘要翻译： 本发明公开了一种腹部CT图像测量装置及方法。 腹部CT图像测量装置包括：接口单元; 部件识别单元和特征数据计算单元。 本发明可以通过对两相扫描图像进行配准和减法操作，通过少量的计算来确定待测零件的特定区域。 这在计算机中很容易实现，因此可以保证特征数据的计算速度并提高效率。 通过本发明的肾脏区域和腹主动脉区域的识别，通过将本发明的关键概念应用于肾小球滤过率的图像测定而获得的肾小球滤过率可以满足临床应用的精度和速度要求 。

公开(公告)号：US08254652B2

公开(公告)日：2012-08-28

申请号：US11936879

申请日：2007-11-08

申请人： Hongfeng Ma ,  Jun Zhang ,  Songmin Quan ,  Yan Kang

发明人： Hongfeng Ma ,  Jun Zhang ,  Songmin Quan ,  Yan Kang

IPC分类号： G06K9/00

CPC分类号： G01N23/046 ,  G01N2223/419

摘要： The present invention discloses apparatus, method, and system for CT image processing; said apparatus comprises: an interface unit for obtaining CT images; a target region separation unit for separating said target region from the CT images by means of judging the CT values of voxel points in said CT images, wherein points with CT values greater than or equal to the threshold for target region separation constitute the target region, and said target region comprises at least one separate region; a false positive region removing unit for removing false positive regions from said target region and obtaining the accurate target region. The present invention can be used to quickly and conveniently determine the target region to be detected, measure the characteristic data of the target region, and display the physical and relative positions of the target region in a three-dimensional manner; with a lower threshold for target region separation, the present invention can reduce the omission rate of detection; in addition, on that base, the present invention can remove possible false positive regions, thereby describing the target region accurately and improve accuracy of target information.

摘要翻译： 本发明公开了用于CT图像处理的装置，方法和系统; 所述装置包括：用于获得CT图像的接口单元; 目标区域分离单元，用于通过判断CT图像中的体素点的CT值来分离所述目标区域与CT图像，其中CT值大于或等于目标区域分离阈值的点构成目标区域， 并且所述目标区域包括至少一个分开的区域; 假阳性区域去除单元，用于从所述目标区域去除假阳性区域并获得准确的目标区域。 本发明可用于快速方便地确定要检测的目标区域，测量目标区域的特征数据，并以三维方式显示目标区域的物理和相对位置; 对于目标区域分离具有较低的阈值，本发明可以降低检测的省略率; 此外，在该基础上，本发明可以去除可能的假阳性区域，从而准确地描述目标区域并提高目标信息的准确性。

公开(公告)号：US07813536B2

公开(公告)日：2010-10-12

申请号：US11636475

申请日：2006-12-11

申请人： Hongfeng Ma ,  Qiang Di ,  Lei Wu ,  Honglei Fu ,  Longwei Mei ,  Liang Tian ,  Songmin Quan ,  Jun Zhang ,  Yan Kang

发明人： Hongfeng Ma ,  Qiang Di ,  Lei Wu ,  Honglei Fu ,  Longwei Mei ,  Liang Tian ,  Songmin Quan ,  Jun Zhang ,  Yan Kang

IPC分类号： G06K9/00

CPC分类号： G06K9/34 ,  A61B6/50 ,  G06K2209/05 ,  G06T7/0012 ,  G06T7/11 ,  G06T2207/10081 ,  G06T2207/30084

摘要： The present invention discloses an abdominal CT image measuring apparatus and method. The abdominal CT image measuring apparatus includes: an interface unit; a part recognizing unit and a characteristic data computing unit. The present invention can determine the specific region of the part under test with a little amount of computation, by registration and subtraction operation on the two-phase scan images. This is easy to be carried out in computers, thus the computing speed of the characteristic data can be guaranteed and the efficiency can be improved. By the recognizing of the kidney regions and the abdominal aorta region in the present invention, the glomerular filtration rates obtained by applying the key concept of the present invention to the image measuring of glomerular filtration rate can meet the clinical application requirements in both precision and speed.

摘要翻译： 本发明公开了一种腹部CT图像测量装置及方法。 腹部CT图像测量装置包括：接口单元; 部件识别单元和特征数据计算单元。 本发明可以通过对两相扫描图像进行配准和减法操作，通过少量的计算来确定待测零件的特定区域。 这在计算机中很容易实现，因此可以保证特征数据的计算速度并提高效率。 通过本发明的肾脏区域和腹主动脉区域的识别，通过将本发明的关键概念应用于肾小球滤过率的图像测定而获得的肾小球滤过率可以满足临床应用的精度和速度要求 。