公开(公告)号：US06839067B2

公开(公告)日：2005-01-04

申请号：US10205739

申请日：2002-07-26

申请人： Qiong Liu ,  Don Kimber ,  Lynn D. Wilcox ,  Jonathan T. Foote ,  John Boreczky ,  Patrick Chiu ,  Shingo Uchihashi ,  Hai Tao

发明人： Qiong Liu ,  Don Kimber ,  Lynn D. Wilcox ,  Jonathan T. Foote ,  John Boreczky ,  Patrick Chiu ,  Shingo Uchihashi ,  Hai Tao

IPC分类号： H04N7/14 ,  H04N7/15 ,  H04N7/173 ,  G09G5/00

CPC分类号： G08B13/19643 ,  H04N7/142 ,  H04N7/147 ,  H04N7/15

摘要： A method and apparatus for providing multi-resolution video to multiple users under hybrid human and automatic control. Initial environment and close-up images are captured using a first camera and a PTZ camera. The initial images are then stored in memory. Current environment and close-up images are captured and the an estimated difference between the initial and current images and the true image is determined. The estimated differences are weighted and compared and the stored images are updated. A close-up image is then provided to each user of the system. The close-up camera is then directed to a portion of the environment image having high distortion, and current environment and close-up images are captured again.

摘要翻译： 一种用于在混合人力和自动控制下向多个用户提供多分辨率视频的方法和装置。 使用第一台摄像机和一台PTZ摄像机拍摄初始环境和特写图像。 然后将初始图像存储在存储器中。 捕获当前环境和特写图像，并确定初始图像和当前图像与真实图像之间的估计差异。 估计的差异被加权和比较，并且存储的图像被更新。 然后将特写图像提供给系统的每个用户。 特写相机然后被引导到具有高失真的环境图像的一部分，并且再次捕获当前环境和特写图像。

公开(公告)号：US07127083B2

公开(公告)日：2006-10-24

申请号：US10917225

申请日：2004-08-12

申请人： Mei Han ,  Yihong Gong ,  Hai Tao

发明人： Mei Han ,  Yihong Gong ,  Hai Tao

IPC分类号： G06K9/00

CPC分类号： G06T7/20 ,  G06K9/00295 ,  G06K9/00771 ,  G06T2207/30241 ,  G08B13/19602 ,  G08B13/19604 ,  G08B13/19608 ,  G08B13/19615 ,  G08B13/19652 ,  G08B31/00 ,  H04N7/188

摘要： A video surveillance system uses rule-based reasoning and multiple-hypothesis scoring to detect predefined behaviors based on movement through zone patterns. Trajectory hypothesis spawning allows for trajectory splitting and/or merging and includes local pruning to managed hypothesis growth. Hypotheses are scored based on a number of criteria, illustratively including at least one non-spatial parameter. Connection probabilities computed during the hypothesis spawning process are based on a number of criteria, illustratively including object size. Object detection and probability scoring is illustratively based on object class.

摘要翻译： 视频监控系统使用基于规则的推理和多重假设评分来根据通过区域模式的移动来检测预定义的行为。 轨迹假设产卵允许轨迹分裂和/或合并，并包括局部修剪以管理假设增长。 假设基于许多标准进行评分，示例性地包括至少一个非空间参数。 在假设产卵过程期间计算的连接概率基于许多标准，示例性地包括对象大小。 对象检测和概率评分说明性地基于对象类。

公开(公告)号：US07003228B2

公开(公告)日：2006-02-21

申请号：US10677123

申请日：2003-09-30

申请人： John S. Wang ,  Sudeep Bhoja ,  Shanthi Pavan ,  Hai Tao

发明人： John S. Wang ,  Sudeep Bhoja ,  Shanthi Pavan ,  Hai Tao

IPC分类号： H04J14/08 ,  H04B10/12 ,  H04B1/10 ,  H03H7/30

CPC分类号： H04B10/6971

摘要： Improved high-speed adaptive equalization is presented that may involve converting an optical signal into an electrical signal and performing equalization by (i) filtering the electrical signal with an analog filter according to at least one filter coefficient to produce a filtered output, (ii) generating an error signal from the filtered output according to an error function, (iii) providing at least one control signal to the analog filter for adjusting the at least one filter coefficient, (iv) detecting a relationship between a change in the at least one filter coefficient and a change in the error signal, and (v) adjusting the at least one filter coefficient according to the relationship to minimize the error signal. The least one coefficient may comprise a plurality of coefficients, and the relationship may be a gradient estimate having multiple components, each determined by varying only one of the coefficients and detecting a resulting change in the error signal.

摘要翻译： 提出了改进的高速自适应均衡，其可以涉及将光信号转换成电信号并且通过（i）根据至少一个滤波器系数用模拟滤波器对电信号进行滤波以产生滤波后的输出，（ii） 根据误差函数从滤波的输出产生误差信号，（iii）向模拟滤波器提供至少一个控制信号以调整至少一个滤波器系数，（iv）检测至少一个滤波器系数的变化之间的关系 滤波器系数和误差信号的变化，以及（v）根据该关系调整至少一个滤波器系数以最小化误差信号。 最小一个系数可以包括多个系数，并且该关系可以是具有多个分量的梯度估计，每个分量通过仅改变一个系数并检测所产生的误差信号的变化来确定。

公开(公告)号：US20050151759A1

公开(公告)日：2005-07-14

申请号：US10937034

申请日：2004-09-08

申请人： Hector Gonzalez-Banos ,  Hai Tao ,  Dan Kong

发明人： Hector Gonzalez-Banos ,  Hai Tao ,  Dan Kong

IPC分类号： G06T20060101 ,  G06T3/00 ,  G06T15/00

CPC分类号： G06T3/0068

摘要： Apparatuses and methods are presented that use a direct synthesis approach using layers in order to directly generate a virtual view from a pair of images. In one embodiment, a range space is discretized into a plurality of layers. For each layer, the first input image and the second input image are warped to the layer. A matching score is then determined for each pixel in the new view based on the warped input images. For each pixel in the virtual view, a best layer is determined. After the best layer has been determined, the color of the pixel in that layer is used for that pixel in the generated view.

摘要翻译： 提出了使用使用层的直接合成方法以便从一对图像直接生成虚拟视图的装置和方法。 在一个实施例中，将范围空间离散成多个层。 对于每个层，第一个输入图像和第二个输入图像都向该层弯曲。 然后，基于变形的输入图像，确定新视图中的每个像素的匹配分数。 对于虚拟视图中的每个像素，确定最佳图层。 在确定最佳图层之后，该层中的像素的颜色用于生成的视图中的该像素。

公开(公告)号：US20050104960A1

公开(公告)日：2005-05-19

申请号：US10917009

申请日：2004-08-12

申请人： Mei Han ,  Yihong Gong ,  Hai Tao

发明人： Mei Han ,  Yihong Gong ,  Hai Tao

IPC分类号： G06K9/00 ,  G06T7/20 ,  H04N7/18 ,  H04N9/47

CPC分类号： G06K9/00771 ,  G06K9/00335 ,  G06T7/269 ,  G06T7/277

摘要： A video surveillance system uses rule-based reasoning and multiple-hypothesis scoring to detect predefined behaviors based on movement through zone patterns. Trajectory hypothesis spawning allows for trajectory splitting and/or merging and includes local pruning to managed hypothesis growth. Hypotheses are scored based on a number of criteria, illustratively including at least one non-spatial parameter. Connection probabilities computed during the hypothesis spawning process are based on a number of criteria, illustratively including object size. Object detection and probability scoring is illustratively based on object class.

摘要翻译： 视频监控系统使用基于规则的推理和多重假设评分来根据通过区域模式的移动来检测预定义的行为。 轨迹假设产卵允许轨迹分裂和/或合并，并包括局部修剪以管理假设增长。 假设基于许多标准进行评分，示例性地包括至少一个非空间参数。 在假设产卵过程期间计算的连接概率基于许多标准，示例性地包括对象大小。 对象检测和概率评分说明性地基于对象类。

公开(公告)号：US06429870B1

公开(公告)日：2002-08-06

申请号：US09638995

申请日：2000-08-14

申请人： Homer H. Chen ,  Hai Tao

发明人： Homer H. Chen ,  Hai Tao

IPC分类号： G06T1500

CPC分类号： G06T9/001 ,  A63F2300/6607 ,  G06T13/00 ,  H04N19/27 ,  H04N19/30 ,  H04N19/61 ,  H04N19/619

摘要： A data reduction and representation method reduces the number of graphic articulation parameters (GAPs) that must be stored or transmitted to animate an object. A number of GAPs are identified that can be interpolated from other GAPs. A directed graph is created which depicts the identities of the “derived” GAPs, the “defining” GAPs from which derived GAPs can be interpolated, and the relationship between them. The GAPs reside at nodes on the graph which are interconnected with directed links that indicate the “parent” to “child” relationships, with each link representing an interpolation function which defines how the derived GAPs are interpolated from the defining GAPs. The graph and interpolation functions are conveyed to a decoder. Frames containing defining GAPs are then sent to the decoder, which performs the interpolations as directed by the graph and using the interpolation functions to reconstruct the derived GAPs.

摘要翻译： 数据简化和表示方法减少了必须存储或传输给动画对象的图形关节参数（GAP）的数量。 识别出可以从其他GAP内插的一些GAP。 创建了一个有向图，其中描绘了“派生”GAP的身份，“定义”GAP可以从中导出GAP，以及它们之间的关系。 GAP驻留在图形上的节点上，这些节点与指向“子”关系的“父”的定向链接互连，每个链接表示内插函数，该函数定义了如何从定义的GAP插值导出的GAP。 图形和内插函数被传送到解码器。 然后将包含定义GAP的帧发送到解码器，解码器按照图形的指示执行内插，并使用插值函数来重建派生的GAP。

公开(公告)号：US10223519B2

公开(公告)日：2019-03-05

申请号：US15613279

申请日：2017-06-05

申请人： Hai Tao

发明人： Hai Tao

IPC分类号： G06F21/31 ,  G06F21/36 ,  G06F3/0488 ,  G06F21/84

摘要： A beat assisted temporal pressure password authentication method in which a user enters a password by pressing a touch interface, and holding the pressure within one of multiple pressure ranges for passing certain number of beats, for one or more times. A password is then produced as a sequence of the pressure range code and the count of the beats passed in that pressure range.

公开(公告)号：US07379611B2

公开(公告)日：2008-05-27

申请号：US10817471

申请日：2004-04-01

申请人： Jian Sun ,  Heung-Yeung Shum ,  Hai Tao

发明人： Jian Sun ,  Heung-Yeung Shum ,  Hai Tao

IPC分类号： G06K9/32 ,  G06K9/40

CPC分类号： G06T3/4007

摘要： Techniques are disclosed to enable generation of a high-resolution image from any generic low-resolution image. In one described implementation, a method includes extracting, at a training phase, a plurality of primal sketch priors from training data. At a synthesis phase, the plurality of primal sketch priors are utilized to improve a low-resolution image by replacing one or more low-frequency primitives extracted from the low-resolution image with corresponding ones of the plurality of primal sketch priors.

摘要翻译： 公开了技术以使得能够从任何通用的低分辨率图像生成高分辨率图像。 在一个描述的实现中，一种方法包括在训练阶段从训练数据中提取多个原始草图先验。 在合成阶段，利用多个原始草图优先级，通过将从低分辨率图像提取的一个或多个低频原语替换为多个原始素描先验中的相应图像，来利用低分辨率图像来改善低分辨率图像。

公开(公告)号：US07088846B2

公开(公告)日：2006-08-08

申请号：US10916870

申请日：2004-08-12

申请人： Mei Han ,  Yihong Gong ,  Hai Tao

发明人： Mei Han ,  Yihong Gong ,  Hai Tao

IPC分类号： G06K9/00

CPC分类号： G08B13/19652 ,  G06K9/00335 ,  G08B13/19604 ,  G08B13/19608 ,  G08B13/19615

摘要： A video surveillance system uses rule-based reasoning and multiple-hypothesis scoring to detect predefined behaviors based on movement through zone patterns. Trajectory hypothesis spawning allows for trajectory splitting and/or merging and includes local pruning to managed hypothesis growth. Hypotheses are scored based on a number of criteria, illustratively including at least one non-spatial parameter. Connection probabilities computed during the hypothesis spawning process are based on a number of criteria, illustratively including object size. Object detection and probability scoring is illustratively based on object class.

摘要翻译： 视频监控系统使用基于规则的推理和多重假设评分来根据通过区域模式的移动来检测预定义的行为。 轨迹假设产卵允许轨迹分裂和/或合并，并包括局部修剪以管理假设增长。 假设基于许多标准进行评分，示例性地包括至少一个非空间参数。 在假设产卵过程期间计算的连接概率基于许多标准，示例性地包括对象大小。 对象检测和概率评分说明性地基于对象类。

公开(公告)号：US20060174339A1

公开(公告)日：2006-08-03

申请号：US11163115

申请日：2005-10-05

申请人： Hai Tao

发明人： Hai Tao

IPC分类号： G06F12/14

CPC分类号： G06F21/36

摘要： A graphical password authentication arrangement and method display a grid on a display upon a user's request to access a restricted resource. The graphical password authentication arrangement requires the user to enter his or her access password by selecting one or more intersections on the grid on the display with an input device. A processing means determines whether to grant the user to access the restricted resource by comparing the access password entered with a corresponding file password for the user, which is stored in a storage means.

摘要翻译： 图形密码认证安排和方法在用户访问受限资源的请求时在显示器上显示网格。 图形密码认证安排要求用户通过使用输入设备在显示器上的网格上选择一个或多个交点来输入他或她的访问密码。 处理装置通过将输入的访问密码与存储在存储装置中的用户的相应文件密码进行比较来确定是否授权用户访问受限资源。