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1. 发明申请

US20070122055A1 Method of Reducing a Blocking Artifact When Coding Moving Picture 有权
标题翻译：编码运动图像时减少阻塞人工制品的方法
公开(公告)号：US20070122055A1
公开(公告)日：2007-05-31
申请号：US11673260
申请日：2007-02-09
申请人： Hyun Kim , Jong Ra , Sung Kim , Young Lee
发明人： Hyun Kim , Jong Ra , Sung Kim , Young Lee
IPC分类号： G06K9/40
CPC分类号： H04N19/86 , H04N19/00 , H04N19/126 , H04N19/137 , H04N19/176 , H04N19/182 , H04N19/198 , H04N19/48 , H04N19/527 , H04N19/80 , H04N19/85
摘要： A method of coding a moving picture is provided that reduces blocking artifacts. The method can include defining a plurality of defining pixels S0, S1, and S2, which are centered around a block boundary. If a default mode is selected then frequency information of the surroundings of the block boundary is obtained. A magnitude of a discontinuous component in a frequency domain belonging to the block boundary is adjusted based on a magnitude of a corresponding discontinuous component selected from a pixel contained entirely within a block adjacent the block boundary. The frequency domain adjustment is then applied to a spatial domain. Or, a DC offset mode can be selected to reduce blocking artifacts in smooth regions where there is little motion.
摘要翻译：提供了一种编码运动图像的方法，其减少了块伪影。该方法可以包括定义以块边界为中心的多个定义像素S 1，S 1 1和S 2 2。如果选择了默认模式，则获得块边界周围的频率信息。基于从完全在与块边界相邻的块内包含的像素中选择的对应的不连续分量的大小来调整属于块边界的频域中的不连续分量的大小。然后将频域调整应用于空间域。或者，可以选择DC偏移模式以减少在少量运动的平滑区域中的块伪影。

2. 发明申请

US20070122053A1 METHOD OF REDUCING A BLOCKING ARTIFACT WHEN CODING MOVING PICTURE 有权
公开(公告)号：US20070122053A1
公开(公告)日：2007-05-31
申请号：US11619926
申请日：2007-01-04
申请人： Hyun Kim , Jong Ra , Sung Kim , Young Lee
发明人： Hyun Kim , Jong Ra , Sung Kim , Young Lee
IPC分类号： G06K9/40
CPC分类号： H04N19/86 , H04N19/00 , H04N19/126 , H04N19/137 , H04N19/176 , H04N19/182 , H04N19/198 , H04N19/48 , H04N19/527 , H04N19/80 , H04N19/85
摘要： A method of coding a moving picture is provided that reduces blocking artifacts. The method can include defining a plurality of defining pixels S0, S1, and S2, which are centered around a block boundary. If a default mode is selected then frequency information of the surroundings of the block boundary is obtained. A magnitude of a discontinuous component in a frequency domain belonging to the block boundary is adjusted based on a magnitude of a corresponding discontinuous component selected from a pixel contained entirely within a block adjacent the block boundary. The frequency domain adjustment is then applied to a spatial domain. Or, a DC offset mode can be selected to reduce blocking artifacts in smooth regions where there is little motion.

3. 发明申请

US20070280553A1 METHOD OF REDUCING A BLOCKING ARTIFACT WHEN CODING MOVING PICTURE 有权
公开(公告)号：US20070280553A1
公开(公告)日：2007-12-06
申请号：US11770324
申请日：2007-06-28
申请人： Hyun KIM , Jong Ra , Sung Kim , Young Lee
发明人： Hyun KIM , Jong Ra , Sung Kim , Young Lee
IPC分类号： G06T5/10
CPC分类号： H04N19/86 , H04N19/00 , H04N19/126 , H04N19/137 , H04N19/176 , H04N19/182 , H04N19/198 , H04N19/48 , H04N19/527 , H04N19/80 , H04N19/85
摘要： A method of coding a moving picture is provided that reduces blocking artifacts. The method can include defining a plurality of defining pixels S0, S1, and S2, which are centered around a block boundary. If a default mode is selected then frequency information of the surroundings of the block boundary is obtained. A magnitude of a discontinuous component in a frequency domain belonging to the block boundary is adjusted based on a magnitude of a corresponding discontinuous component selected from a pixel contained entirely within a block adjacent the block boundary. The frequency domain adjustment is then applied to a spatial domain. Or, a DC offset mode can be selected to reduce blocking artifacts in smooth regions where there is little motion.

4. 发明申请

US20070133897A1 METHOD OF REDUCING A BLOCKING ARTIFACT WHEN CODING MOVING PICTURE 有权
公开(公告)号：US20070133897A1
公开(公告)日：2007-06-14
申请号：US11619893
申请日：2007-01-04
申请人： Hyun Kim , Jong Ra , Sung Kim , Young Lee
发明人： Hyun Kim , Jong Ra , Sung Kim , Young Lee
IPC分类号： G06K9/40 , G06K9/36
CPC分类号： H04N19/86 , H04N19/00 , H04N19/126 , H04N19/137 , H04N19/176 , H04N19/182 , H04N19/198 , H04N19/48 , H04N19/527 , H04N19/80 , H04N19/85
摘要： A method of coding a moving picture is provided that reduces blocking artifacts. The method can include defining a plurality of defining pixels S0, S1, and S2, which are centered around a block boundary. If a default mode is selected then frequency information of the surroundings of the block boundary is obtained. A magnitude of a discontinuous component in a frequency domain belonging to the block boundary is adjusted based on a magnitude of a corresponding discontinuous component selected from a pixel contained entirely within a block adjacent the block boundary. The frequency domain adjustment is then applied to a spatial domain. Or, a DC offset mode can be selected to reduce blocking artifacts in smooth regions where there is little motion.

5. 发明申请

US20070140585A1 METHOD OF REDUCING A BLOCKING ARTIFACT WHEN CODING MOVING PICTURE 有权
公开(公告)号：US20070140585A1
公开(公告)日：2007-06-21
申请号：US11626570
申请日：2007-01-24
申请人： Hyun Kim , Jong Ra , Sung Kim , Young Lee
发明人： Hyun Kim , Jong Ra , Sung Kim , Young Lee
IPC分类号： G06K9/40
CPC分类号： H04N19/86 , H04N19/00 , H04N19/126 , H04N19/137 , H04N19/176 , H04N19/182 , H04N19/198 , H04N19/48 , H04N19/527 , H04N19/80 , H04N19/85
摘要： A method of coding a moving picture is provided that reduces blocking artifacts. The method can include defining a plurality of defining pixels S0, S1, and S2, which are centered around a block boundary. If a default mode is selected then frequency information of the surroundings of the block boundary is obtained. A magnitude of a discontinuous component in a frequency domain belonging to the block boundary is adjusted based on a magnitude of a corresponding discontinuous component selected from a pixel contained entirely within a block adjacent the block boundary. The frequency domain adjustment is then applied to a spatial domain. Or, a DC offset mode can be selected to reduce blocking artifacts in smooth regions where there is little motion.

6. 发明申请

US20070122054A1 METHOD OF REDUCING A BLOCKING ARTIFACT WHEN CODING MOVING PICTURE 有权
公开(公告)号：US20070122054A1
公开(公告)日：2007-05-31
申请号：US11619938
申请日：2007-01-04
申请人： Hyun Kim , Jong Ra , Sung Kim , Young Lee
发明人： Hyun Kim , Jong Ra , Sung Kim , Young Lee
IPC分类号： G06K9/40
CPC分类号： H04N19/86 , H04N19/00 , H04N19/126 , H04N19/137 , H04N19/176 , H04N19/182 , H04N19/198 , H04N19/48 , H04N19/527 , H04N19/80 , H04N19/85
摘要： A method of coding a moving picture is provided that reduces blocking artifacts. The method can include defining a plurality of defining pixels S0, S1, and S2, which are centered around a block boundary. If a default mode is selected then frequency information of the surroundings of the block boundary is obtained. A magnitude of a discontinuous component in a frequency domain belonging to the block boundary is adjusted based on a magnitude of a corresponding discontinuous component selected from a pixel contained entirely within a block adjacent the block boundary. The frequency domain adjustment is then applied to a spatial domain. Or, a DC offset mode can be selected to reduce blocking artifacts in smooth regions where there is little motion.

7. 发明申请

US20060184021A1 Method of improving the quality of a three-dimensional ultrasound doppler image 审中-公开
标题翻译：提高三维超声多普勒图像质量的方法
公开(公告)号：US20060184021A1
公开(公告)日：2006-08-17
申请号：US11330260
申请日：2006-01-12
申请人： Cheol Kim , Jong Ra , Young Song , Jung Lim , Eun Yang , Donghoon Yu , Jae Lee
发明人： Cheol Kim , Jong Ra , Young Song , Jung Lim , Eun Yang , Donghoon Yu , Jae Lee
IPC分类号： A61B8/00
CPC分类号： G06K9/40 , G06K2209/05 , G06T5/002 , G06T5/20 , G06T2207/10024 , G06T2207/10136 , G06T2207/30101
摘要： The present invention relates to a method of improving a 3D ultrasound color Doppler image through a post-processing. A method of processing an ultrasound image, includes the following steps: a) recognizing a target object from an inputted ultrasound image based on an object recognition algorithm using connectivity of the target object; b) setting at least one object region by using the connectivity of the recognized target object; c) calculating a structure matrix by using voxel gradients of the object region; d) calculating a diffusion matrix from the structure matrix; and e) acquiring a processed ultrasound image by applying the diffusion matrix and the voxel gradients to the inputted ultrasound image.
摘要翻译：本发明涉及通过后处理改善3D超声彩色多普勒图像的方法。一种处理超声图像的方法包括以下步骤：a）基于使用目标对象的连接性的对象识别算法从输入的超声图像中识别目标对象; b）通过使用所识别的目标对象的连接来设置至少一个对象区域; c）通过使用对象区域的体素梯度来计算结构矩阵; d）从结构矩阵计算扩散矩阵; 以及e）通过将扩散矩阵和体素梯度应用于输入的超声图像来获取处理的超声图像。

8. 发明申请

US20070165925A1 IMAGE PROCESSING SYSTEM AND METHOD OF ENHANCING THE QUALITY OF AN ULTRASOUND IMAGE 有权
标题翻译：图像处理系统和提高超声图像质量的方法
公开(公告)号：US20070165925A1
公开(公告)日：2007-07-19
申请号：US11562672
申请日：2006-11-22
申请人： Chi Young Ahn , Jong Ra , Yong Kim , Duhgoon Lee
发明人： Chi Young Ahn , Jong Ra , Yong Kim , Duhgoon Lee
IPC分类号： G06K9/00
CPC分类号： G01S7/52033 , G01S7/52063 , G06T5/009 , G06T2207/10132 , G06T2207/20021
摘要： The present invention relates to an image processing system for enhancing the image quality of an ultrasound image. The image processing system may include: an image data forming unit for forming image data based on image signals acquired from a target object; a log-compression unit for log-compressing the image data to provide a log-compressed image; a TGC processor for analyzing a vertical profile of pixel intensities in the log-compressed image and automatically setting a TGC (time gain compensation) parameter based on the analysis result; a gain processor for calculating mean brightness of pixels included in the log-compressed image applying the set TGC parameter and comparing the calculated mean brightness with predetermined brightness, thereby automatically setting a gain parameter based on a comparison result; a DR processor for automatically setting a DR (dynamic range) parameter by using edge contrast and background roughness of the log-compressed image applying the set TGC and gain parameters; and an image forming unit for applying the TGC, gain and DR parameters to the image data.
摘要翻译：本发明涉及一种用于增强超声图像的图像质量的图像处理系统。图像处理系统可以包括：图像数据形成单元，用于基于从目标对象获取的图像信号形成图像数据; 日志压缩单元，用于对图像数据进行日志压缩以提供对数压缩图像; 用于分析对数压缩图像中的像素强度的垂直分布并根据分析结果自动设置TGC（时间增益补偿）参数的TGC处理器; 用于计算应用所设置的TGC参数的对数压缩图像中包括的像素的平均亮度的增益处理器，并将所计算的平均亮度与预定亮度进行比较，从而基于比较结果自动设置增益参数; DR处理器，用于通过使用设置的TGC和增益参数的对数压缩图像的边缘对比度和背景粗糙度来自动设置DR（动态范围）参数; 以及用于将TGC，增益和DR参数应用于图像数据的图像形成单元。

9. 发明申请

US20060084869A1 Method and apparatus for enhancing image quality of a two-dimensional ultrasound image 有权
标题翻译：用于提高二维超声图像的图像质量的方法和装置
公开(公告)号：US20060084869A1
公开(公告)日：2006-04-20
申请号：US11198174
申请日：2005-08-08
申请人： Cheol Kim , Young Song , Eun Yang , Jong Ra , Yong Kim , Dong Yu
发明人： Cheol Kim , Young Song , Eun Yang , Jong Ra , Yong Kim , Dong Yu
IPC分类号： A61B8/00
CPC分类号： G06T5/002 , G06T5/003 , G06T2207/10132 , G06T2207/20016 , G06T2207/30004
摘要： The present invention relates a method and an apparatus for enhancing ultrasound image quality through a post-processing. A method for enhancing an image quality of a two-dimensional (2D) ultrasound image, comprises the steps of: a) decomposing the 2D ultrasound image into a plurality of images having a multi-resolution by N levels, wherein N is a positive integer; b) determining characteristics of each pixel in the decomposed image; c) performing an enhancement process for the decomposed image based on the pixel characteristics; d) performing 1st-level composition for the decomposed image; and e) repeatedly performing steps b) to d) until a size of the composed image is identical to that of the 2D ultrasound image.
摘要翻译：本发明涉及通过后处理来提高超声图像质量的方法和装置。一种用于增强二维（2D）超声图像的图像质量的方法，包括以下步骤：a）将2D超声图像分解成具有多分辨率N个等级的多个图像，其中N是正整数 ; b）确定分解图像中每个像素的特征; c）基于像素特性对所分解的图像执行增强处理; d）执行用于分解图像的1 - 级组合物; 以及e）重复执行步骤b）至d），直到合成图像的尺寸与2D超声波图像的尺寸相同。

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