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    • 1. 发明授权
    • Watermark embedding and detecting methods, systems devices and components
    • 水印嵌入和检测方法,系统设备和组件
    • US08374384B2
    • 2013-02-12
    • US12659364
    • 2010-03-05
    • Xiao-Ping ZhangKan Li
    • Xiao-Ping ZhangKan Li
    • G06K9/00G06K9/36
    • G06T1/0028G06T2201/0052G06T2201/0202
    • Method determining lookup table (“LUT”) for embedding watermark. For each quantization cell, calculating probabilities that signal point falls into cell. Selecting cell by probabilities. Setting LUT value to watermark value with largest probability, subject to run constraint. For remaining cells, repeating selecting and setting steps. Other method determining quantization ensemble by calculating probability density function for signal points where the watermark value to be embedded. Distortion and robustness functions are formulated. Given robustness or distortion is selected. Functions optimized, and ensemble of quantizers determined with parameters that comply. Other method quantizing in association with lossy compression. Strength of compression determined. Adapting strength of watermark with strength of compression by a mapping. Other method selecting points for embedding watermark. Determine threshold between large and small signal points using statistical method. Select signal points for embedding according to threshold. Also, processors, computer programs, and systems.
    • 用于嵌入水印的方法确定查找表(LUT)。 对于每个量化单元,计算信号点落入单元格的概率。 按概率选择细胞。 将LUT值设置为具有最大概率的水印值,受制于运行约束。 对于剩余的单元格,重复选择和设置步骤。 其他方法通过对要嵌入的水印值的信号点计算概率密度函数来确定量化集合。 制定失真和鲁棒性功能。 给定鲁棒性或失真。 功能优化,量化器集合由符合的参数确定。 与有损压缩相关联的其他方法量化。 压缩强度确定。 通过映射适应压缩强度的水印强度。 嵌入水印的其他方法选择点。 使用统计方法确定大小信号点之间的阈值。 根据阈值选择嵌入信号点。 另外,处理器,计算机程序和系统。
    • 2. 发明授权
    • Method for automatic detection of targets within a digital image
    • 用于自动检测数字图像内目标的方法
    • US06434261B1
    • 2002-08-13
    • US09028250
    • 1998-02-23
    • Xiao-Ping ZhangMita D. Desai
    • Xiao-Ping ZhangMita D. Desai
    • G06K900
    • G06T7/0012G06T7/11G06T7/143G06T2207/10116G06T2207/20008G06T2207/20064G06T2207/30068G06T2207/30096
    • The present invention comprises a method for the detection and segmentation of bright images within a digital image using wavelets. One example of such a bright image is microcalcifications within a mammogram. Multiresolution analysis may be used to detect and segment the possible microcalcification areas by combining Bayes classifiers. By analyzing the time-frequency characteristics of clustered microcalcifications, the inventors first choose the optimized wavelet for the detection of microcalcifications. A wavelet packet analysis is then used to detect different size microcalcifications. An adaptive method of choosing the threshold for detection by using a one-dimensional wavelet transform to analyze the PDF of the images at different scales is used. Then, a scheme to detect different size microcalcifications in different scale wavelet packet transformed images is developed. The processing results show that the inventors' methods are quite effective on a broad sample of mammograms in detecting microcalcifications even at low contrast. These segmentation and detection methods will prove useful in other applications, such as other medical imaging infrared applications, forward-looking infrared radar (FLIR), and other technologies.
    • 本发明包括使用小波检测和分割数字图像内的亮图像的方法。 这样一个明亮的图像的一个例子是在乳腺X线照片内的微钙化。 多分辨率分析可用于通过组合贝叶斯分类器来检测和分割可能的微钙化区域。 通过分析聚类微钙化的时频特征,本发明人首先选择优化的小波来检测微钙化。 然后使用小波包分析来检测不同大小的微钙化。 使用通过使用一维小波变换来选择不同尺度的图像的PDF来检测阈值的自适应方法。 然后,开发了在不同尺度小波包变换图像中检测不同尺寸微钙化的方案。 处理结果表明,即使在低对比度下,发明人的方法在广泛的乳腺X线照片检测微量钙化方面也是非常有效的。 这些分割和检测方法将证明在其他应用中有用,例如其他医学成像红外应用,前瞻性红外雷达(FLIR)和其他技术。
    • 5. 发明申请
    • SIGNAL PROCESSING BY ITERATIVE DECONVOLUTION OF TIME SERIES DATA
    • 通过时间序列数据的迭代解调进行信号处理
    • US20100266177A1
    • 2010-10-21
    • US12634133
    • 2009-12-09
    • Xiao-Ping ZhangDaniel B. Allison
    • Xiao-Ping ZhangDaniel B. Allison
    • G06K9/00
    • G06K9/00503G01N27/44721
    • A signal processing method is provided and involves iteratively deconvoluting at least one digital signal data set with respect to time. A signal processor is also provided that can perform a signal processing method for iteratively deconvoluting at least one digital signal data set. Also provided is an instruction set readable by a machine, tangibly embodying a program of instructions executable by a machine to perform a signal processing method of iteratively deconvoluting at least one digital signal data set. Also provided is a data set readable by a machine, tangibly embodying a data set computed by a signal processing method for iteratively deconvoluting at least one digital signal data set.
    • 提供了一种信号处理方法,并且涉及相对于时间迭代解卷积至少一个数字信号数据集。 还提供了一种信号处理器,其可以执行用于迭代地去卷积至少一个数字信号数据集的信号处理方法。 还提供了可由机器读取的指令集,其有形地体现了可由机器执行的指令程序,以执行对至少一个数字信号数据集进行迭代去卷积的信号处理方法。 还提供了可由机器读取的数据集,其有形地体现了通过信号处理方法计算的数据集,用于对至少一个数字信号数据集进行迭代去卷积。
    • 6. 发明申请
    • SYSTEM AND METHOD FOR PROCESSING A WORKFLOW FORM
    • 用于处理工作流形式的系统和方法
    • US20080065438A1
    • 2008-03-13
    • US11759241
    • 2007-06-07
    • CHUNG-I LEECHIEN-FA YEHCHIU-HUA LUXIAO-DI FANXIAO-PING ZHANG
    • CHUNG-I LEECHIEN-FA YEHCHIU-HUA LUXIAO-DI FANXIAO-PING ZHANG
    • G06F17/50
    • G06Q10/10G06Q10/06G06Q10/063
    • An exemplary method for processing a workflow form is provided. The method includes: connecting a workflow engine and an business sub-system; receiving a data form processing request from a client; obtaining workflow information from the workflow engine according to the data form processing request; obtaining business information from the business sub-system according to the data form processing request; establishing a worklist for storing items according to the workflow information, business information, and personal data of the client; selecting an appropriate data form and generating a workflow form by storing an open item in the data form; and processing the workflow form by signing the workflow form or rejecting the workflow form. A related system is also provided.
    • 提供了一种用于处理工作流形式的示例性方法。 该方法包括:连接工作流引擎和业务子系统; 从客户端接收数据表处理请求; 根据数据表处理请求从工作流引擎获取工作流信息; 根据数据表处理请求从业务子系统获取业务信息; 根据客户的工作流程信息,业务信息和个人数据建立存储项目的工作清单; 选择适当的数据形式并通过以数据形式存储打开的项目来生成工作流表单; 并通过签名工作流表单或拒绝工作流程表来处理工作流表单。 还提供了相关系统。
    • 8. 发明申请
    • SYSTEM AND METHOD FOR DISTRIBUTING FILE PROCESSING TASKS
    • 用于分发文件处理任务的系统和方法
    • US20070174831A1
    • 2007-07-26
    • US11309796
    • 2006-09-28
    • CHUNG-I LEECHIEN-FA YEHXIAO-PING ZHANG
    • CHUNG-I LEECHIEN-FA YEHXIAO-PING ZHANG
    • G06F9/445
    • G06F9/505
    • An exemplary distribution system includes a plurality of file processing servers (20) and a file processing control server (10). The file processing servers are configured for processing distributed file processing tasks. The file processing control server includes a request receiving module (101), a status controlling module (102), a load checking module (103) and an allocating module (104). The request receiving module is configured for receiving file processing requests for file processing, and transforming the file processing requests into file processing tasks respectively. The status controlling module is configured for controlling statuses of the file processing tasks. The load checking module is configured for checking the load of each file processing server. The allocating module is configured for allocating a file processing task to a file processing server having the least load.
    • 示例性分发系统包括多个文件处理服务器(20)和文件处理控制服务器(10)。 文件处理服务器被配置用于处理分布式文件处理任务。 文件处理控制服务器包括请求接收模块(101),状态控制模块(102),负载检查模块(103)和分配模块(104)。 所述请求接收模块被配置为接收用于文件处理的文件处理请求,并且分别将文件处理请求转换成文件处理任务。 状态控制模块被配置用于控制文件处理任务的状态。 负载检查模块被配置为检查每个文件处理服务器的负载。 分配模块被配置为将文件处理任务分配给具有最小负载的文件处理服务器。
    • 10. 发明申请
    • Watermark embedding and detecting methods, systems, devices and components
    • 水印嵌入和检测方法,系统,设备和组件
    • US20060083403A1
    • 2006-04-20
    • US11196526
    • 2005-08-04
    • Xiao-Ping ZhangKan Li
    • Xiao-Ping ZhangKan Li
    • G06K9/00G06K9/38
    • G06T1/0028G06T2201/0052G06T2201/0202
    • Method determining lookup table (“LUT”) for embedding watermark. For each quantization cell, calculating probabilities that signal point falls into cell. Selecting cell by probabilities. Setting LUT value to watermark value with largest probability, subject to run constraint. For remaining cells, repeating selecting and setting steps. Other method determining quantization ensemble by calculating probability density function for signal points where the watermark value to be embedded. Distortion and robustness functions are formulated. Given robustness or distortion is selected. Functions optimized, and ensemble of quantizers determined with parameters that comply. Other method quantizing in association with lossy compression. Strength of compression determined. Adapting strength of watermark with strength of compression by a mapping. Other method selecting points for embedding watermark. Determine threshold between large and small signal points using statistical method. Select signal points for embedding according to threshold. Also, processors, computer programs, and systems.
    • 用于嵌入水印的方法确定查找表(“LUT”)。 对于每个量化单元,计算信号点落入单元格的概率。 按概率选择细胞。 将LUT值设置为具有最大概率的水印值,受制于运行约束。 对于剩余的单元格,重复选择和设置步骤。 其他方法通过对要嵌入的水印值的信号点计算概率密度函数来确定量化集合。 制定失真和鲁棒性功能。 给定鲁棒性或失真。 功能优化,量化器集合由符合的参数确定。 与有损压缩相关联的其他方法量化。 压缩强度确定。 通过映射适应压缩强度的水印强度。 嵌入水印的其他方法选择点。 使用统计方法确定大小信号点之间的阈值。 根据阈值选择嵌入信号点。 另外,处理器,计算机程序和系统。