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1. 发明授权

US08139891B2 System and method for structure enhancement and noise reduction in medical images 失效
标题翻译：医学图像中结构增强和降噪的系统和方法
公开(公告)号：US08139891B2
公开(公告)日：2012-03-20
申请号：US11926877
申请日：2007-10-29
申请人： Ti-chiun Chang , Yunqiang Chen , Tong Fang , Jason Jenn-Kwei Tyan , Gregory G. Slabaugh
发明人： Ti-chiun Chang , Yunqiang Chen , Tong Fang , Jason Jenn-Kwei Tyan , Gregory G. Slabaugh
IPC分类号： G06K9/46 , G06K9/66 , G06K9/40 , G06K9/64 , G06K9/36 , G06K9/20 , G06K1/00 , H04N5/228 , H04N7/01 , H04N11/20 , H04N1/40 , G06F15/00 , G03F3/08
CPC分类号： G06K9/40 , G06T5/002 , G06T5/008 , G06T5/20 , G06T2207/10072 , G06T2207/20016 , G06T2207/20028 , G06T2207/30101
摘要： A method and system for structure enhancement and noise reduction of medical images using adaptive filtering is disclosed. The method utilizes feature estimation methods to determine multiple feature values for each pixel in an input image. Each pixel is then filtered using a filter type selected based on the feature values for that pixel.
摘要翻译：公开了一种使用自适应滤波的医学图像的结构增强和降噪的方法和系统。该方法利用特征估计方法来确定输入图像中每个像素的多个特征值。然后使用基于该像素的特征值选择的滤波器类型来过滤每个像素。

2. 发明授权

US07801708B2 Method and apparatus for the rigid and non-rigid registration of 3D shapes 有权
标题翻译： 3D形状的刚性和非刚性配准的方法和装置
公开(公告)号：US07801708B2
公开(公告)日：2010-09-21
申请号：US11462834
申请日：2006-08-07
申请人： Gozde Unal , Gregory G. Slabaugh , Tong Fang , Jason Jenn-Kwei Tyan
发明人： Gozde Unal , Gregory G. Slabaugh , Tong Fang , Jason Jenn-Kwei Tyan
IPC分类号： G06F7/60 , G06K9/00 , G06T15/00
CPC分类号： G06K9/00214 , G06T7/30 , G06T19/00 , G06T2207/30004 , H04R25/652 , H04R25/658 , H04R2225/77
摘要： A method for registering two three-dimensional shapes is disclosed whereby the two shapes are represented as zero level set of signed distance functions and the energy between these two functions is minimized. In a first embodiment, two undetailed ear impression models are rigidly registered with each other. In another embodiment, a detailed ear impression is initially aligned with an undetailed ear impression model and, then, the detailed ear impression model is rigidly registered with the undetailed ear impression model as a function of the signed distance functions. In accordance with another embodiment, an undetailed ear impression model is non-rigidly registered with a template ear impression model as a function of the signed distance functions.
摘要翻译：公开了一种用于记录两个三维形状的方法，其中两个形状被表示为有限距离函数的零级集合，并且这两个函数之间的能量被最小化。在第一实施例中，两个不详细的耳朵印象模型彼此刚性地对齐。在另一个实施例中，详细的耳朵印象最初与未详细的耳朵印象模型对准，然后，详细的耳朵印象模型与未签名的耳朵印象模型刚性地记录为有符号距离函数的函数。根据另一个实施例，根据签名的距离函数，未详细地将耳朵印象模型与模板耳朵印象模型非刚性地对齐。

3. 发明授权

US07684643B2 Mutual information regularized Bayesian framework for multiple image restoration 失效
标题翻译：相互信息正则化贝叶斯框架用于多个图像恢复
公开(公告)号：US07684643B2
公开(公告)日：2010-03-23
申请号：US11252334
申请日：2005-10-17
申请人： Yunqiang Chen , Hongcheng Wang , Tong Fang , Jason Jenn-Kwei Tyan
发明人： Yunqiang Chen , Hongcheng Wang , Tong Fang , Jason Jenn-Kwei Tyan
IPC分类号： H04N1/38 , G06K9/40 , G06K9/62 , H03M7/00 , G06F19/00
CPC分类号： G06T5/002 , G06T5/20 , G06T5/50 , G06T2207/10132 , G06T2207/20076 , G06T2207/20192 , G06T2207/30004
摘要： A method for multiple image restoration includes receiving a plurality of images corrupted by noise, and initializing a reduced noise estimate of the plurality of images. The method further includes estimating a probability of distributions of noise around each pixel and the probability of the signal, estimating mutual information between noise on the plurality of images based on the probabilities of distributions of noise around each pixel and the joint distribution of noise, and updating each pixel within a search range to determine a restored image by reducing the mutual information between the noise on the plurality of images.
摘要翻译：一种用于多重图像恢复的方法包括：接收由噪声破坏的多个图像，以及初始化所述多个图像的降低的噪声估计。该方法还包括估计每个像素周围的噪声分布概率和信号的概率，基于每个像素周围的噪声分布的概率和噪声的联合分布来估计多个图像上的噪声之间的相互信息;以及更新搜索范围内的每个像素以通过减少多个图像上的噪声之间的相互信息来确定恢复的图像。

4. 发明授权

US07596282B2 System and method for efficient feature estimation for medical images 失效
标题翻译：用于医学图像的有效特征估计的系统和方法
公开(公告)号：US07596282B2
公开(公告)日：2009-09-29
申请号：US11343128
申请日：2006-01-30
申请人： Ti-chiun Chang , Jason Jenn-Kwei Tyan
发明人： Ti-chiun Chang , Jason Jenn-Kwei Tyan
IPC分类号： G06K9/64 , G06K9/40
CPC分类号： G06K9/4609 , G06T5/004 , G06T2207/30004
摘要： A method for estimating feature values from a digitized image includes calculating a gradient of an image, defining a filter weighting function, convolving the gradient with the filter weighting function, integrating over a subdomain of the convolved gradient to calculate components of a cost matrix Φ, wherein the cost matrix minimizes a distance metric in a frequency domain of the image, solving for the eigenvalues of the cost matrix, and calculating one or more features from the cost matrix eigenvalues. One or more predesigned bandpass filters can be applied to the image, and cost matrix eigenvalues are analyzed to select one or more appropriate bandpass filters to be applied to the image.
摘要翻译：一种用于从数字化图像估计特征值的方法包括计算图像的梯度，定义滤波器加权函数，将该梯度与滤波器加权函数相加，在卷积梯度的子域上积分以计算成本矩阵Phi的分量，其中所述成本矩阵最小化图像的频域中的距离度量，求解所述成本矩阵的特征值，以及从所述成本矩阵特征值计算一个或多个特征。可以将一个或多个预先设计的带通滤波器应用于图像，并且分析成本矩阵特征值以选择要应用于图像的一个或多个适当的带通滤波器。

5. 发明授权

US07286679B2 Automatic binaural shell modeling for hearing aids 有权
标题翻译：用于助听器的自动双耳壳建模
公开(公告)号：US07286679B2
公开(公告)日：2007-10-23
申请号：US10739732
申请日：2003-12-18
申请人： Tong Fang , Jason Jenn-Kwei Tyan , Ming Fang
发明人： Tong Fang , Jason Jenn-Kwei Tyan , Ming Fang
IPC分类号： H04R25/00
CPC分类号： H04R25/658 , B33Y80/00 , H04R25/552 , H04R25/652 , H04R2225/77 , Y10T29/49572
摘要： A system and method for modeling binaural shells for hearing aids, wherein the system is configured to load data associated with a first and a second ear shell. The system is further configured to register the data associated with the first and the second ear shells and process the first ear shell and the second ear shells, wherein the processing on the first ear shell is automatically performed on the second ear shell.
摘要翻译：一种用于对用于助听器的双耳壳进行建模的系统和方法，其中所述系统被配置为加载与第一耳壳和第二耳壳相关联的数据。该系统还被配置为登记与第一耳壳和第二耳壳相关联的数据并处理第一耳壳和第二耳壳，其中在第二耳壳上自动执行对第一耳壳的处理。

6. 发明授权

US07084870B2 Interactive binaural shell modeling for hearing aids 有权
标题翻译：用于助听器的互动双耳壳建模
公开(公告)号：US07084870B2
公开(公告)日：2006-08-01
申请号：US10739733
申请日：2003-12-18
申请人： Tong Fang , Jason Jenn-Kwei Tyan , Ming Fang
发明人： Tong Fang , Jason Jenn-Kwei Tyan , Ming Fang
IPC分类号： G06T17/00
CPC分类号： H04R25/658 , B29C64/00 , B33Y80/00 , H04R25/552 , H04R25/652 , H04R2225/77
摘要： A system and method for modeling binaural shells for hearing aids, wherein the system is configured to load data associated with a first and a second ear shell. The system is further configured to register the data associated with the first and the second ear shells and process the first ear shell. The system is also configured to store data associated with processing the first ear shell and then map the data associated with processing the first ear shell to the second ear shell. Subsequently, the mapped second ear shell is interactively adjusted by an operator to compensate for an inconsistency in the mapped second ear shell.
摘要翻译：一种用于对用于助听器的双耳壳进行建模的系统和方法，其中所述系统被配置为加载与第一耳壳和第二耳壳相关联的数据。该系统还被配置为登记与第一和第二耳壳相关联的数据并处理第一耳壳。该系统还被配置为存储与处理第一耳壳相关联的数据，然后将与将第一耳壳处理相关联的数据映射到第二耳壳。随后，映射的第二耳壳由操作者交互地调整以补偿映射的第二耳壳中的不一致。

7. 发明授权

US08086427B2 Method and apparatus for the registration of 3D ear impression models 失效
标题翻译：用于注册3D耳朵印象模型的方法和装置
公开(公告)号：US08086427B2
公开(公告)日：2011-12-27
申请号：US11462804
申请日：2006-08-07
申请人： Tong Fang , Gozde Unal , Fred McBagonluri , Alexander Zouhar , Hui Xie , Gregory G. Slabaugh , Jason Jenn-Kwei Tyan
发明人： Tong Fang , Gozde Unal , Fred McBagonluri , Alexander Zouhar , Hui Xie , Gregory G. Slabaugh , Jason Jenn-Kwei Tyan
IPC分类号： G06F7/60 , G06K9/00 , G06T15/00
CPC分类号： H04R25/652 , H04R25/658 , H04R25/70 , H04R2225/77
摘要： A method of designing hearing aid molds is disclosed whereby two shapes corresponding to graphical images of ear impressions are registered with each other to facilitate joint processing of the hearing aid design. In a first embodiment, a first graphical representation of a first ear impression is received and a feature, such as the aperture of the ear impression, is identified on that graphical model. A first vector is generated that represents the orientation and shape of that first feature. The three-dimensional translation and rotation of that first vector are determined that are necessary to align the first vector with a second vector representing the orientation and a shape of a feature, once again such as the aperture, of a second ear impression. In another embodiment, this alignment is then refined by minimizing the sum of the distances between points on the first and second graphical representations.
摘要翻译：公开了一种设计助听器模具的方法，其中对应于耳朵印象的图形图像的两个形状彼此对准以便于助听器设计的联合处理。在第一实施例中，接收第一耳朵印象的第一图形表示，并且在该图形模型上识别诸如耳朵印象的孔的特征。生成表示该第一特征的取向和形状的第一向量。确定该第一矢量的三维平移和旋转是必要的，以使第一矢量与代表第二耳朵印象的特征的取向和形状的第二矢量（例如孔）对齐。在另一个实施例中，然后通过最小化第一和第二图形表示上的点之间的距离之和来改进该对准。

8. 发明授权

US07979244B2 Method and apparatus for aperture detection of 3D hearing aid shells 失效
标题翻译：三维助听器孔径检测方法和装置
公开(公告)号：US07979244B2
公开(公告)日：2011-07-12
申请号：US11462869
申请日：2006-08-07
申请人： Tong Fang , Alexander Zouhar , Gozde Unal , Gregory G. Slabaugh , Jason Jenn-Kwei Tyan , Fred McBagonluri
发明人： Tong Fang , Alexander Zouhar , Gozde Unal , Gregory G. Slabaugh , Jason Jenn-Kwei Tyan , Fred McBagonluri
IPC分类号： G06F7/60 , G06K9/00 , G06T15/00
CPC分类号： G06K9/6211 , G06K9/00214 , G06T7/33 , G06T17/00 , G06T19/00 , G06T2207/10028 , G06T2207/30004 , G06T2219/008 , H04R25/652 , H04R25/658 , H04R2225/77
摘要： A method identifying apertures of ear impressions is disclosed. A plurality of contour lines associated with an ear impression are determined and a difference value between a value of a characteristic, such as the diameter, of each contour line and that characteristic of an adjacent contour line is determined. The aperture is identified as being that contour line having the greatest difference value. The contour lines are determined by identifying where a plane intersects the surface of the graphical representations. In another embodiment, the contour lines are assigned a weight. A contour index is then calculated for each contour line as a function of the difference value and these weights. According to this embodiment, the aperture is identified as being a contour line that is adjacent to that contour line having the greatest contour index.
摘要翻译：公开了一种识别耳朵印象孔径的方法。确定与耳朵印象相关联的多个轮廓线，并且确定每个轮廓线的特征值（例如直径）与相邻轮廓线的特征值之间的差值。孔径被识别为具有最大差值的轮廓线。通过识别平面与图形表示的表面相交的位置来确定轮廓线。在另一个实施例中，轮廓线被分配一个重量。然后针对每个轮廓线计算轮廓索引作为差值和这些权重的函数。根据该实施例，孔径被识别为与具有最大轮廓索引的轮廓线相邻的轮廓线。

9. 发明授权

US07817839B2 System and method for adaptive spatial compounding for ultrasound imaging 有权
标题翻译：用于超声成像的自适应空间复合的系统和方法
公开(公告)号：US07817839B2
公开(公告)日：2010-10-19
申请号：US11566328
申请日：2006-12-04
申请人： Yunqiang Chen , Jason Jenn-Kwei Tyan
发明人： Yunqiang Chen , Jason Jenn-Kwei Tyan
IPC分类号： G06K9/00
CPC分类号： A61B8/00 , A61B8/5238
摘要： A method for removing speckle noise from ultrasound images includes providing a plurality of digitized ultrasound (US) images, each image comprising a plurality of intensities corresponding to a domain of points on a 2-dimensional grid, initializing an initial gain associated with each of said plurality of US images, estimating a signal sub-space by averaging over each US image divided by its associated gain, and estimating an updated gain by projecting its associated image into said signal sub-space. If an absolute difference of said updated gain and said initial gain is less than a pre-determined quantity, obtaining an averaged image from said signal sub-space, estimating an optimal Wiener filter from said plurality of US images and said averaged image, and filtering said averaged image with said Wiener filter, wherein said speckle noise is substantially minimized.
摘要翻译：一种用于从超声图像中去除斑点噪声的方法包括提供多个数字化超声波（US）图像，每个图像包括对应于二维网格上的点的域的多个强度，初始化与每个所述多个美国图像，通过对每个US图像进行平均而除以其相关联的增益来估计信号子空间，以及通过将其相关图像投影到所述信号子空间来估计更新的增益。如果所述更新的增益和所述初始增益的绝对差小于预定量，则从所述信号子空间获得平均图像，从所述多个US图像和所述平均图像中估计最佳维纳滤波器，以及滤波所述维纳滤波器的所述平均图像，其中所述斑点噪声基本上最小化。

10. 发明授权

US07593598B2 System and method for efficient filter design through weighted difference of Gaussian filters 失效
标题翻译：高斯滤波器加权差分有效滤波器设计的系统和方法
公开(公告)号：US07593598B2
公开(公告)日：2009-09-22
申请号：US11344480
申请日：2006-01-31
申请人： Ti-chiun Chang , Jason Jenn-Kwei Tyan
发明人： Ti-chiun Chang , Jason Jenn-Kwei Tyan
IPC分类号： G06K9/40
CPC分类号： G06T5/004 , G06T5/20
摘要： A method of designing filters for filtering digitized images includes constructing a set of difference-of-Gaussian (DoG) filters that partition a frequency space, forming a linear combination of said DoG filters to form a trial filter, convolving said trial filter with a training image to obtain a trial image, summing a square difference of said trial image and a target image, wherein if said sum is a minimum, outputting said trial filter as a final filter, and using a singular value decomposition on said final filter wherein an eigenvector corresponding to the largest eigenvalue of the final filter is obtained.
摘要翻译：一种设计用于过滤数字化图像的滤波器的方法包括：构建一组分割频率空间的高斯差分（DoG）滤波器，形成所述DoG滤波器的线性组合以形成试用滤波器，将所述试验滤波器与训练图像以获得试验图像，对所述试验图像和目标图像的平方差进行求和，其中如果所述和是最小的，则将所述试验滤波器输出为最终滤波器，并且对所述最终滤波器使用奇异值分解，其中特征向量对应于最终滤波器的最大特征值。

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