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1. 发明授权

US06983068B2 Picture/graphics classification system and method 失效
标题翻译：图片/图形分类系统和方法
公开(公告)号：US06983068B2
公开(公告)日：2006-01-03
申请号：US09965922
申请日：2001-09-28
申请人： Salil Prabhakar , Hui Cheng , Zhigang Fan , John C. Handley , Ying-wei Lin
发明人： Salil Prabhakar , Hui Cheng , Zhigang Fan , John C. Handley , Ying-wei Lin
IPC分类号： G06K9/00
CPC分类号： G06K9/00456
摘要： A method and system for image processing, in conjunction with classification of images between natural pictures and synthetic graphics, using SGLD texture (e.g., variance, bias, skewness, and fitness), color discreteness (e.g., R—L, R—U, and R—V normalized histograms), or edge features (e.g., pixels per detected edge, horizontal edges, and vertical edges) is provided. In another embodiment, a picture/graphics classifier using combinations of SGLD texture, color discreteness, and edge features is provided. In still another embodiment, a “soft” image classifier using combinations of two (2) or more SGLD texture, color discreteness, and edge features is provided. The “soft” classifier uses image features to classify areas of an input image in picture, graphics, or fuzzy classes.
摘要翻译：一种用于图像处理的方法和系统，结合使用SGLD纹理（例如，方差，偏差，偏度和适应度）的自然图像和合成图像之间的图像分类，颜色离散性（例如，R SUB 提供了一个或多个边缘特征（例如每个检测到的边缘，水平边缘和垂直边缘的像素）。在另一个实施例中，提供了使用SGLD纹理，颜色离散性和边缘特征的组合的图片/图形分类器。在另一个实施例中，提供了使用两（2）或更多SGLD纹理，颜色离散性和边缘特征的组合的“软”图像分类器。 “软”分类器使用图像特征来对图像，图形或模糊类中的输入图像的区域进行分类。

2. 发明申请

US20080217416A1 MAGNETIC WATERMARK FOR TEXT DOCUMENTS 失效
标题翻译：文字文件的磁水标签
公开(公告)号：US20080217416A1
公开(公告)日：2008-09-11
申请号：US12123188
申请日：2008-05-19
申请人： Ying-wei Lin , Raphael F. Bov , Zhigang Fan , John C. Handley
发明人： Ying-wei Lin , Raphael F. Bov , Zhigang Fan , John C. Handley
IPC分类号： G06K19/06 , B42D15/00
CPC分类号： G06K9/186 , G06K9/18
摘要： The present disclosure is directed to a method and apparatus for applying magnetic ink character recognition (MICR) technology to enable the embedding of coded information within text characters of a document.
摘要翻译：本公开涉及一种用于应用磁墨水字符识别（MICR）技术以使得能够在文档的文本字符内嵌入编码信息的方法和装置。

3. 发明授权

US07386159B2 Magnetic watermark for text documents 失效
标题翻译：文本文档的磁性水印
公开(公告)号：US07386159B2
公开(公告)日：2008-06-10
申请号：US10871285
申请日：2004-06-18
申请人： John C. Handley , Zhigang Fan , Raphael F. Bov, Jr. , Ying-wei Lin
发明人： John C. Handley , Zhigang Fan , Raphael F. Bov, Jr. , Ying-wei Lin
IPC分类号： G06K9/00
CPC分类号： G06K9/186 , G06K9/18
摘要： The present invention is a method and apparatus for applying magnetic ink character recognition (MICR) technology to enable the embedding of coded information within text characters of a document.
摘要翻译：本发明是一种用于应用磁墨水字符识别（MICR）技术的方法和装置，以便能够将文本中的编码信息嵌入到文本文本内。

4. 发明授权

US07706594B2 Magnetic watermark for text documents 失效
标题翻译：文本文档的磁性水印
公开(公告)号：US07706594B2
公开(公告)日：2010-04-27
申请号：US12123188
申请日：2008-05-19
申请人： Ying-wei Lin , Raphael F. Bov, Jr. , Zhigang Fan , John C. Handley
发明人： Ying-wei Lin , Raphael F. Bov, Jr. , Zhigang Fan , John C. Handley
IPC分类号： G06K9/00 , H04N7/167
CPC分类号： G06K9/186 , G06K9/18
摘要： The present disclosure is directed to a method and apparatus for applying magnetic ink character recognition (MICR) technology to enable the embedding of coded information within text characters of a document.
摘要翻译：本公开涉及一种用于应用磁墨水字符识别（MICR）技术以使得能够在文档的文本字符内嵌入编码信息的方法和装置。

5. 发明授权

US07006256B2 Watermarked image generator and method of embedding watermarks into an input image 失效
公开(公告)号：US07006256B2
公开(公告)日：2006-02-28
申请号：US09683540
申请日：2002-01-16
申请人： Shen-ge Wang , Hui Cheng , Zhigang Fan , Ying-wei Lin
发明人： Shen-ge Wang , Hui Cheng , Zhigang Fan , Ying-wei Lin
IPC分类号： H04N1/46
CPC分类号： G06T1/0028 , G06T2201/0051 , G06T2201/0061 , H04N1/32203 , H04N1/32208 , H04N1/32256 , H04N2201/3233 , H04N2201/327
摘要： A watermarked image generator includes a watermark data source that inputs watermark data to a watermark embedding device. The watermark embedding device halftones the input image to generate the output image made of 2×2 binary patterns, the 2×2 binary patterns forming the watermarks embedded in the output image. The watermark embedding device includes a tri-level error diffusion generator that performs tri-level error diffusion on the input image by halftoning the input image into black, white and 50% gray. A plurality of halftoning circuits successively replace each pixel of the halftoned input image with one of a plurality of the 2×2 binary patterns. The one of the plurality of 2×2 binary patterns corresponds to at least one respective bit of the watermark data when a pixel of the halftoned image data is 50% gray. The watermark data can be segmentation map data of the input image.

6. 发明申请

US20050281434A1 Magnetic watermark for text documents 失效
标题翻译：文本文档的磁性水印
公开(公告)号：US20050281434A1
公开(公告)日：2005-12-22
申请号：US10871285
申请日：2004-06-18
申请人： John Handley , Zhigang Fan , Raphael Bov , Ying-Wei Lin
发明人： John Handley , Zhigang Fan , Raphael Bov , Ying-Wei Lin
IPC分类号： G06K9/00 , G06K9/18
CPC分类号： G06K9/186 , G06K9/18
摘要： The present invention is a method and apparatus for applying magnetic ink character recognition (MICR) technology to enable the embedding of coded information within text characters of a document.
摘要翻译：本发明是一种用于应用磁墨水字符识别（MICR）技术的方法和装置，以便能够将文本中的编码信息嵌入到文本文本内。

7. 发明授权

US06347115B1 Method and system for predictive coding of images treated with the Roberts Method 失效
标题翻译：用Roberts方法处理的图像的预测编码方法和系统
公开(公告)号：US06347115B1
公开(公告)日：2002-02-12
申请号：US09081788
申请日：1998-05-20
申请人： Ying-Wei Lin , Zhigang Fan
发明人： Ying-Wei Lin , Zhigang Fan
IPC分类号： H04B166
CPC分类号： H04B1/66 , G06T9/004 , H04B1/707 , H04B2201/70715
摘要： The method and system of this invention predictively encodes and decodes an image signal that has been treated with the Roberts Method. The method and system generates a noise signal that is substantially similar to the noise signal generated during the Roberts Method treatment, calculates a range of values for the original image signal based upon an image signal from a different pixel location, predicts the image signal based upon the range of values and the noise signal and calculates an error signal that is encoded. The decoding method and system operates in reverse of the encoding method and system.
摘要翻译：本发明的方法和系统对用Roberts方法处理过的图像信号进行预测编码和解码。该方法和系统产生基本上类似于罗伯茨方法处理期间产生的噪声信号的噪声信号，基于来自不同像素位置的图像信号计算原始图像信号的值的范围，基于来自不同像素位置的图像信号值的范围和噪声信号，并计算编码的误差信号。解码方法和系统与编码方法和系统相反。

8. 发明授权

US06947597B2 Soft picture/graphics classification system and method 失效
标题翻译：软图片/图形分类系统和方法
公开(公告)号：US06947597B2
公开(公告)日：2005-09-20
申请号：US09965880
申请日：2001-09-28
申请人： Ying-wei Lin , Stuart A. Schweid , Jeng-nan Shiau , Raja Bala , Zhigang Fan
发明人： Ying-wei Lin , Stuart A. Schweid , Jeng-nan Shiau , Raja Bala , Zhigang Fan
IPC分类号： G06K9/20 , G06T5/00 , H04N1/40 , G06K9/62
CPC分类号： H04N1/40062 , G06K9/00456
摘要： A method and system for image processing, in conjunction with classification of images between natural pictures and synthetic graphics, using SGLD texture (e.g., variance, bias, skewness, and fitness), color discreteness (e.g., R_L, R_U, and R_V normalized histograms), or edge features (e.g., pixels per detected edge, horizontal edges, and vertical edges) is provided. In another embodiment, a picture/graphics classifier using combinations of SGLD texture, color discreteness, and edge features is provided. In still another embodiment, a “soft” image classifier using combinations of two (2) or more SGLD texture, color discreteness, and edge features is provided. The “soft” classifier uses image features to classify areas of an input image in picture, graphics, or fuzzy classes.
摘要翻译：一种用于图像处理的方法和系统，结合使用SGLD纹理（例如，方差，偏差，偏度和适应度）的自然图像和合成图像之间的图像分类，颜色离散性（例如，R_L，R_U和R_V归一化直方图）或边缘特征（例如，每个检测到的边缘的像素，水平边缘和垂直边缘）。在另一个实施例中，提供了使用SGLD纹理，颜色离散性和边缘特征的组合的图片/图形分类器。在另一个实施例中，提供了使用两（2）或更多SGLD纹理，颜色离散性和边缘特征的组合的“软”图像分类器。 “软”分类器使用图像特征来对图像，图形或模糊类中的输入图像的区域进行分类。

9. 发明授权

US06839152B2 Adaptive filtering method and apparatus for descreening scanned halftoned image representations 失效
标题翻译：用于对已扫描的半色调图像表示进行去网的自适应滤波方法和装置
公开(公告)号：US06839152B2
公开(公告)日：2005-01-04
申请号：US09731131
申请日：2000-12-06
申请人： Zhigang Fan , Ying-Wei Lin , Hong Li
发明人： Zhigang Fan , Ying-Wei Lin , Hong Li
IPC分类号： G06T5/00 , G06T5/20 , H04N1/40 , H04N1/405 , G06K15/00
CPC分类号： H04N1/40075
摘要： An adaptive filtering method and apparatus for descreening a scanned halftoned image representation is disclosed. The apparatus includes an image input subsystem; a processing subsystem for processing halftoned image data provided by the image input subsystem; and software/firmware means operative on the processing subsystem for a) low-pass filtering a halftoned input pixel value provided by the image input subsystem to produce a low-pass filtered pixel value; b) notch-filtering the halftoned input pixel value to produce a notch-filtered pixel value; c) determining a local contrast value for the halftoned input pixel value; and d) producing a descreened output pixel value based on the low-pass filtered pixel value, the notch-filtered pixel value, or a combination of the low-pass filtered pixel value and the notch-filtered pixel value depending on the local contrast value.

10. 发明授权

US5859931A Image compression and decompression using predictive coding and error diffusion 失效
标题翻译：使用预测编码和误差扩散的图像压缩和解压缩
公开(公告)号：US5859931A
公开(公告)日：1999-01-12
申请号：US653981
申请日：1996-05-28
申请人： Zhigang Fan , Ying-wei Lin
发明人： Zhigang Fan , Ying-wei Lin
IPC分类号： H04N1/417 , G06T9/00 , H03M7/46 , H04N1/41 , G06K9/36
CPC分类号： H04N1/4105 , G06T9/004 , G06T9/005
摘要： An encoding/compression technique using a combination of predictive coding and run length encoding allows for efficient compression of images produced by error diffusion.
摘要翻译：使用预测编码和游程长度编码的组合的编码/压缩技术允许有效地压缩由误差扩散产生的图像。

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