专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明授权

US08397062B2 Method and system for source authentication in group communications 有权
标题翻译：组通信中的源认证方法与系统
公开(公告)号：US08397062B2
公开(公告)日：2013-03-12
申请号：US12764266
申请日：2010-04-21
申请人： Ayan Roy-Chowdhury , John S. Baras
发明人： Ayan Roy-Chowdhury , John S. Baras
IPC分类号： H04L29/06 , H04L9/32 , G06F7/04 , G06F15/16 , G06F17/30
CPC分类号： H04L9/14 , H04L9/3265 , H04L2209/601 , H04L2209/80
摘要： A method and system for authentication is provided. A central node for issuing certificates to a plurality of nodes associated with the central node in a network is also provided. The central node receives a first key from at least one node from among the plurality of nodes and generates a second key based on the received first key and generates a certificate for the at least one node. The generated certificate is transmitted to the at least one node.
摘要翻译：提供了用于认证的方法和系统。还提供了用于向网络中的与中央节点相关联的多个节点发放证书的中央节点。所述中央节点从所述多个节点中的至少一个节点接收第一密钥，并且基于所接收的第一密钥生成第二密钥，并且生成所述至少一个节点的证书。生成的证书被发送到至少一个节点。

2. 发明授权

US08671273B2 Method of performance-aware security of unicast communication in hybrid satellite networks 有权
标题翻译：混合卫星网络中单播通信的性能感知安全性方法
公开(公告)号：US08671273B2
公开(公告)日：2014-03-11
申请号：US13088315
申请日：2011-04-15
申请人： Ayan Roy-Chowdhury , John S. Baras
发明人： Ayan Roy-Chowdhury , John S. Baras
IPC分类号： H04L29/06 , H04L9/32 , G06F17/00 , G06F12/14
CPC分类号： H04B7/18593 , H04L9/0844 , H04L63/0478 , H04L63/06 , H04L63/164 , H04L63/166 , H04L2209/76
摘要： A method and apparatus utilizes Layered IPSEC (LES) protocol as an alternative to IPSEC for network-layer security including a modification to the Internet Key Exchange protocol. For application-level security of web browsing with acceptable end-to-end delay, the Dual-mode SSL protocol (DSSL) is used instead of SSL. The LES and DSSL protocols achieve desired end-to-end communication security while allowing the TCP and HTTP proxy servers to function correctly.
摘要翻译：一种方法和装置利用分层IPSEC（LES）协议作为网络层安全性的IPSEC的替代方案，包括对Internet密钥交换协议的修改。对于具有可接受的端到端延迟的Web浏览的应用级安全性，使用双模式SSL协议（DSSL）而不是SSL。 LES和DSSL协议实现期望的端到端通信安全性，同时允许TCP和HTTP代理服务器正常工作。

3. 发明授权

US08577091B2 Method and apparatus for authenticating biometric scanners 有权
标题翻译：用于认证生物识别扫描仪的方法和设备
公开(公告)号：US08577091B2
公开(公告)日：2013-11-05
申请号：US12838952
申请日：2010-07-19
申请人： Vladimir Iankov Ivanov , John S. Baras
发明人： Vladimir Iankov Ivanov , John S. Baras
IPC分类号： G06K9/00 , G06K9/34
CPC分类号： G06K9/00013 , G06K9/00577 , G06K2009/00583
摘要： A method and apparatus for authenticating a biometric scanner involves estimating unique intrinsic characteristics of the scanner (scanner pattern), that are permanent over time, and can identify a scanner even among scanners of the same manufacturer and model. Image processing and analysis are used to extract a scanner pattern from images acquired with the scanner. The scanner pattern is used to verify whether the scanner that acquired a particular image is the same as the scanner that acquired one or several images during enrollment of the biometric information. Authenticating the scanner can prevent subsequent security attacks using counterfeited biometric information on the scanner, or on the user authentication system.
摘要翻译：用于认证生物测定扫描仪的方法和装置包括估计扫描仪（扫描仪图案）的独特固有特征，其随着时间的推移是永久性的，并且即使在相同制造商和型号的扫描仪之间也能识别扫描仪。图像处理和分析用于从使用扫描仪获取的图像中提取扫描仪图案。扫描器图案用于验证获取特定图像的扫描仪是否与在注册生物特征信息期间获取一个或多个图像的扫描仪相同。验证扫描仪可以防止在扫描仪或用户认证系统上使用伪造的生物特征信息的后续安全攻击。

4. 发明授权

US08325746B2 Topology selection and broadcast method for rule-based link state routing 有权
标题翻译：基于规则的链路状态路由的拓扑选择和广播方法
公开(公告)号：US08325746B2
公开(公告)日：2012-12-04
申请号：US12923812
申请日：2010-10-08
申请人： Kiran K. Somasundaram , Kaustubh Jain , Vahid Tabatabaee , John S. Baras
发明人： Kiran K. Somasundaram , Kaustubh Jain , Vahid Tabatabaee , John S. Baras
IPC分类号： H04L12/28
CPC分类号： H04L45/04 , H04L45/00 , H04L45/02 , H04L45/124 , H04L45/20 , H04L45/48
摘要： An apparatus and method are provided for optimizing the link-state information that is to be broadcast in a routing domain of a communication network for QoS rule-based link-state routing. The routers include any device capable of implementing the routing primitives. The apparatus and method involve pruning the link-state information using local neighborhood information that has been discovered. The local link-state is pruned so that the QoS optimal paths are preserved for link-state routing. Pruning of the potential optimal paths is carried out to minimize the information broadcast to the intra domain routers in an autonomous system/routing domain. The apparatus and method also involve broadcasting the selected link-state information.
摘要翻译：提供一种用于优化在基于QoS规则的链路状态路由的通信网络的路由域中要广播的链路状态信息的装置和方法。路由器包括能够实现路由图元的任何设备。该装置和方法涉及使用已发现的本地邻域信息修剪链路状态信息。修剪本地链路状态，以便为链路状态路由保留QoS最优路径。执行潜在的最佳路径的修剪以最小化在自治系统/路由域中向内部域路由器广播的信息。该装置和方法还涉及广播所选择的链路状态信息。

5. 发明授权

US6127669A Computer-aided determination of window and level settings for filmless radiology 失效
标题翻译：计算机辅助确定无电影放射学的窗口和水平设置
公开(公告)号：US6127669A
公开(公告)日：2000-10-03
申请号：US15331
申请日：1998-01-29
申请人： Nikolaos D. Sidiropoulos , John S. Baras
发明人： Nikolaos D. Sidiropoulos , John S. Baras
IPC分类号： G06T5/40 , G06K9/00 , G06K9/34
CPC分类号： G06T5/40 , G06T5/007 , G06T2207/10081
摘要： A window and level control tool that operates in real time and can quickly determine initial values for window and level settings such that a displayed image is always presented in a readable format is disclosed. The invention transforms input image data into an image histogram. This histogram is then segmented into a small number of parts corresponding to structures of interest. Segmentation of the histogram is done by a novel Viterbi optimal runlength-constrained approximation nonlinear filter. Window and level settings are calculated to correspond to this optimal segmentation. A readable image of one of the structures of interest is then displayed. In another embodiment, the tool provides a menu of optimal window and level settings corresponding to the different types of information a radiologist may be interested in.
摘要翻译：一种窗口和液位控制工具，其实时操作并且可以快速地确定窗口和水平设置的初始值，使得总是以可读格式呈现所显示的图像。本发明将输入图像数据变换为图像直方图。然后将该直方图分割成对应于感兴趣结构的少量部分。直方图的分割是通过一种新颖的维特比最优游程长约束近似非线性滤波器完成的。计算窗口和水平设置以对应于该最佳分割。然后显示感兴趣的结构之一的可读图像。在另一个实施例中，该工具提供与放射科医师可能感兴趣的不同类型的信息对应的最佳窗口和级别设置的菜单。

6. 发明申请

US20120300988A1 METHOD AND APPARATUS FOR AUTHENTICATING AREA BIOMETRIC SCANNERS 有权
标题翻译：用于认证区域生物量扫描仪的方法和装置
公开(公告)号：US20120300988A1
公开(公告)日：2012-11-29
申请号：US13480122
申请日：2012-05-24
申请人： Vladimir Iankov IVANOV , John S. Baras
发明人： Vladimir Iankov IVANOV , John S. Baras
IPC分类号： G06K9/00
CPC分类号： G06K9/0002 , G06K9/00006 , G06K9/00013 , G06K9/00892 , G06K9/00899 , G06K9/6202 , G06K9/6215 , G06T5/001
摘要： Methods and apparatuses for authenticating a biometric scanner, such as area type finger print scanners, involves estimating unique intrinsic characteristics of the scanner (scanner pattern), that are permanent over time, and can identify a scanner even among scanners of the same manufacturer and model. Image processing and analysis are used to extract a scanner pattern from images acquired with the scanner. The scanner pattern is used to verify whether the scanner that acquired a particular image is the same as the scanner that acquired one or several images during enrollment of the biometric information. Authenticating the scanner can prevent subsequent security attacks using counterfeit biometric information on the scanner, or on the user authentication system.
摘要翻译：用于认证生物测定扫描仪（例如区域型指纹扫描仪）的方法和装置涉及估计扫描仪（扫描仪图案）的独特固有特征，其随着时间的推移是永久性的，并且可以识别扫描仪，即使在同一制造商和型号的扫描仪之间。图像处理和分析用于从使用扫描仪获取的图像中提取扫描仪图案。扫描器图案用于验证获取特定图像的扫描仪是否与在注册生物特征信息期间获取一个或多个图像的扫描仪相同。验证扫描仪可以防止在扫描仪或用户认证系统上使用假冒生物信息的后续安全攻击。

7. 发明申请

US20110085472A1 Novel topology selection and broadcast method for rule-based link state routing 有权
标题翻译：基于规则的链路状态路由的新型拓扑选择和广播方法
公开(公告)号：US20110085472A1
公开(公告)日：2011-04-14
申请号：US12923812
申请日：2010-10-08
申请人： Kiran K. Somasundaram , Kaustubh Jain , Vahid Tabatabaee , John S. Baras
发明人： Kiran K. Somasundaram , Kaustubh Jain , Vahid Tabatabaee , John S. Baras
IPC分类号： H04L12/28
CPC分类号： H04L45/04 , H04L45/00 , H04L45/02 , H04L45/124 , H04L45/20 , H04L45/48
摘要： An apparatus and method are provided for optimizing the link-state information that is to be broadcast in a routing domain of a communication network for QoS rule-based link-state routing. The routers include any device capable of implementing the routing primitives. The apparatus and method involve pruning the link-state information using local neighborhood information that has been discovered. The local link-state is pruned so that the QoS optimal paths are preserved for link-state routing. Pruning of the potential optimal paths is carried out to minimize the information broadcast to the intra domain routers in an autonomous system/routing domain. The apparatus and method also involve broadcasting the selected link-state information.
摘要翻译：提供一种用于优化在基于QoS规则的链路状态路由的通信网络的路由域中要广播的链路状态信息的装置和方法。路由器包括能够实现路由图元的任何设备。该装置和方法涉及使用已发现的本地邻域信息修剪链路状态信息。修剪本地链路状态，以便为链路状态路由保留QoS最优路径。执行潜在的最佳路径的修剪以最小化在自治系统/路由域中向内部域路由器广播的信息。该装置和方法还涉及广播所选择的链路状态信息。

8. 发明授权

US07827459B1 Communications protocol 有权
标题翻译：通信协议
公开(公告)号：US07827459B1
公开(公告)日：2010-11-02
申请号：US11651314
申请日：2007-01-08
申请人： Xiaoming Zhou , John S. Baras
发明人： Xiaoming Zhou , John S. Baras
IPC分类号： H04L1/18
CPC分类号： H04L1/1812 , H04L1/1671 , H04L1/1854
摘要： The present invention relates to an improved communications protocol which increases the efficiency of transmission in return channels on a multi-channel slotted Alohas system by incorporating advanced error correction algorithms, selective retransmission protocols and the use of reserved channels to satisfy the retransmission requests.
摘要翻译：本发明涉及一种改进的通信协议，其通过结合先进的纠错算法，选择性重传协议以及使用保留信道来满足重传请求，从而提高多信道时隙阿罗哈斯系统上返回信道的传输效率。

9. 发明申请

US20100246825A1 WIRELESS COMMUNICATION METHOD AND SYSTEM FOR TRANSMISSION AUTHENTICATION AT THE PHYSICAL LAYER 审中-公开
标题翻译：无线通信方法和系统在物理层传输认证
公开(公告)号：US20100246825A1
公开(公告)日：2010-09-30
申请号：US12676689
申请日：2008-09-08
申请人： John S. Baras , Paul L. Yu , Brian M. Sadler
发明人： John S. Baras , Paul L. Yu , Brian M. Sadler
IPC分类号： H04K1/00
CPC分类号： H04L63/08 , H04L9/0894 , H04L9/32 , H04L63/061 , H04L2209/80 , H04W12/04 , H04W12/06
摘要： The subject authentication scheme encompasses a large family of authentication systems which may be built over existing transmission systems. By superimposing a carefully designed secret modulation on the waveforms, authentication is added to the signal without requiring additional bandwidth. The authentication information (tag signal) is sent concurrently with data (message signal). The authentication is designed to be stealthy to the uninformed user, robust to interference, and secure for identity verification. The tradeoffs between these three goals are identified and analyzed. The use of the authentication for channel estimation is also considered, and improved bit errors are demonstrated for time-varying channels. With a long enough authentication code word an authentication system is achieved with very slight data degradation. Additionally, by treating the authentication tag as a sequence of pilot symbols, the data recovery may be improved by the aware receiver.
摘要翻译：主体认证方案包括可以建立在现有传输系统上的大型认证系统系列。通过在波形上叠加仔细设计的秘密调制，将认证添加到信号中，而不需要额外的带宽。认证信息（标签信号）与数据（消息信号）同时发送。身份验证被设计为对不知情的用户是隐身的，对干扰而言是稳健的，并且用于身份验证。确定和分析这三个目标之间的权衡。还考虑了对信道估计的认证的使用，并且针对时变信道示出了改进的比特错误。使用足够长的认证码字，实现了非常轻微的数据降级的认证系统。此外，通过将认证标签视为导频符号序列，可以通过感知接收机来改善数据恢复。

10. 发明授权

US07006568B1 3D wavelet based video codec with human perceptual model 有权
标题翻译：基于3D小波的视频编解码器与人类感知模型
公开(公告)号：US07006568B1
公开(公告)日：2006-02-28
申请号：US09979930
申请日：2000-05-26
申请人： Junfeng Gu , Yimin Jiang , John S. Baras
发明人： Junfeng Gu , Yimin Jiang , John S. Baras
IPC分类号： H04B1/66
CPC分类号： H04N19/67 , H04N19/126 , H04N19/13 , H04N19/137 , H04N19/142 , H04N19/154 , H04N19/46 , H04N19/62 , H04N19/89 , H04N19/895
摘要： A video encoding/decoding system based on 3D wavelet decomposition and the human perceptual model is implemented. JND is applied in quantizer design to improve the subjective quality of compressed video. The 3D wavelet decomposition helps to remove spatial and temporal redundancy and provides scalability of video quality. In order to conceal the errors that may, occur under bad wireless channel conditions, a slicing method and a joint source channel coding scenario, that combines RCPC with CRC and utilizes the distortion information to allocate convolutional coding rates are proposed. A new subjective quality index based on JND is presented and used to evaluate the overall system performance at different signal to noise rations (SNR) and at different compression ratios. Due to the wide use of arithmetic coding (AC) in data compression, it is considered as a readily available unit in the video codec system for broadcasting. A new scheme for conditional access (CA) sub-system is designed based on the compression graphic property of arithmetic coding. Its performance is analyzed along with its application in a multi-resolution video compression system. This scheme simplifies the conditional access sub-system and provides satisfactory system reliability.
摘要翻译：实现了基于3D小波分解和人类感知模型的视频编码/解码系统。 JND应用于量化器设计，以提高压缩视频的主观质量。 3D小波分解有助于消除空间和时间冗余并提供视频质量的可扩展性。为了掩盖在不良无线信道条件下发生的错误，提出了将RCPC与CRC组合并利用失真信息来分配卷积编码率的分片方法和联合源信道编码场景。提出了一种基于JND的新的主观质量指标，用于评估不同信噪比（SNR）和不同压缩比下的整体系统性能。由于在数据压缩中广泛使用算术编码（AC），被认为是用于广播的视频编解码系统中的容易获得的单元。基于算术编码的压缩图形属性设计了条件访问（CA）子系统的新方案。分析其性能以及其在多分辨率视频压缩系统中的应用。该方案简化了条件访问子系统，提供了令人满意的系统可靠性。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式