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    • 1. 发明申请
    • EMBEDDING AND DETECTING WATERMARKS
    • 嵌入式和检测水印
    • US20100104129A1
    • 2010-04-29
    • US12603057
    • 2009-10-21
    • Yuan HeLin LuoMing SuLing ShaoZhe Xiang
    • Yuan HeLin LuoMing SuLing ShaoZhe Xiang
    • G06K9/00
    • G06T1/0028G06F17/212G06T2201/0051G06T2201/0062H04K1/00H04L9/3236H04L2209/16H04L2209/608
    • A watermark embedding method for embedding a secret message sequence in a document. The techniques include obtaining layout information of the document, extracting a digest of the document by using a Hash function, calculating embedded positions where the secret message sequence is embedded in the document, and dispersedly hiding the secret message sequence in each of the calculated embedded positions by altering the layout of the document. Also provided is a watermark embedding apparatus, a corresponding watermark detecting method and apparatus, and a method and system for detecting document integrity. The integrity of documents in various forms can be detected, and secret information to be hidden can be embedded therein and extracted therefrom. The techniques described are not limited to the document either in soft copy or in hard copy and have good robustness.
    • 一种用于在文档中嵌入秘密消息序列的水印嵌入方法。 这些技术包括获取文档的布局信息,通过使用散列函数提取文档的摘要,计算秘密消息序列嵌入在文档中的嵌入位置,以及分散地隐藏每个计算的嵌入位置中的秘密消息序列 通过更改文档的布局。 还提供了水印嵌入装置,相应的水印检测方法和装置,以及用于检测文档完整性的方法和系统。 可以检测各种形式的文件的完整性,并且可以将隐藏的秘密信息嵌入其中并从中提取。 所描述的技术不限于软拷贝或硬拷贝中的文档,并且具有良好的鲁棒性。
    • 2. 发明授权
    • Embedding and detecting watermarks based on embedded positions in document layout
    • 基于文档布局中的嵌入位置嵌入和检测水印
    • US07873183B2
    • 2011-01-18
    • US12603057
    • 2009-10-21
    • Yuan HeLin LuoMing SuLing ShaoZhe Xiang
    • Yuan HeLin LuoMing SuLing ShaoZhe Xiang
    • G06K9/00
    • G06T1/0028G06F17/212G06T2201/0051G06T2201/0062H04K1/00H04L9/3236H04L2209/16H04L2209/608
    • A watermark embedding method for embedding a secret message sequence in a document. The techniques include obtaining layout information of the document, extracting a digest of the document by using a Hash function, calculating embedded positions where the secret message sequence is embedded in the document, and dispersedly hiding the secret message sequence in each of the calculated embedded positions by altering the layout of the document. Also provided is a watermark embedding apparatus, a corresponding watermark detecting method and apparatus, and a method and system for detecting document integrity. The integrity of documents in various forms can be detected, and secret information to be hidden can be embedded therein and extracted therefrom. The techniques described are not limited to the document either in soft copy or in hard copy and have good robustness.
    • 一种用于在文档中嵌入秘密消息序列的水印嵌入方法。 这些技术包括获取文档的布局信息,通过使用散列函数提取文档的摘要,计算秘密消息序列嵌入在文档中的嵌入位置,以及分散地隐藏每个计算的嵌入位置中的秘密消息序列 通过更改文档的布局。 还提供了水印嵌入装置,相应的水印检测方法和装置,以及用于检测文档完整性的方法和系统。 可以检测各种形式的文件的完整性,并且可以将隐藏的秘密信息嵌入其中并从中提取。 所描述的技术不限于软拷贝或硬拷贝中的文档,并且具有良好的鲁棒性。
    • 3. 发明申请
    • EMBEDDING AND DETECTING WATERMARKS
    • 嵌入式和检测水印
    • US20070014429A1
    • 2007-01-18
    • US11457559
    • 2006-07-14
    • Yuan HeLin LuoMing SuLing ShaoZhe Xiang
    • Yuan HeLin LuoMing SuLing ShaoZhe Xiang
    • G06K9/00
    • G06T1/0028G06F17/212G06T2201/0051G06T2201/0062H04K1/00H04L9/3236H04L2209/16H04L2209/608
    • A watermark embedding method for embedding a secret message sequence in a document. The techniques include obtaining layout information of the document, extracting a digest of the document by using a Hash function, calculating embedded positions where the secret message sequence is embedded in the document, and dispersedly hiding the secret message sequence in each of the calculated embedded positions by altering the layout of the document. Also provided is a watermark embedding apparatus, a corresponding watermark detecting method and apparatus, and a method and system for detecting document integrity. The integrity of documents in various forms can be detected, and secret information to be hidden can be embedded therein and extracted therefrom. The techniques described are not limited to the document either in soft copy or in hard copy and have good robustness.
    • 一种用于在文档中嵌入秘密消息序列的水印嵌入方法。 这些技术包括获取文档的布局信息,通过使用散列函数提取文档的摘要,计算秘密消息序列嵌入在文档中的嵌入位置,以及分散地隐藏每个计算的嵌入位置中的秘密消息序列 通过更改文档的布局。 还提供了水印嵌入装置,相应的水印检测方法和装置,以及用于检测文档完整性的方法和系统。 可以检测各种形式的文件的完整性,并且可以将隐藏的秘密信息嵌入其中并从中提取。 所描述的技术不限于软拷贝或硬拷贝中的文档,并且具有良好的鲁棒性。
    • 4. 发明授权
    • Electrically deflected nanomechanical sensors
    • 电偏转纳米机械传感器
    • US07900527B1
    • 2011-03-08
    • US11959706
    • 2007-12-19
    • Ming Su
    • Ming Su
    • G01D7/02
    • B82Y15/00B82Y20/00G02B6/107G02B6/3648
    • An electrically-induced deflective amplification sensor as an actively controlled and reconfigurable nanomechanical sensor for the detection and recognition of chemicals, biomolecules, and gaseous molecules. The electrically-induced deflective amplification sensors use electric fields to control the bending of transducers, have adjustable sensitivities that depend on electric field strength, and reconfigurable operation ranges for the detection of target molecules at ultra-low and ultra-high concentrations. The sensors are highly integrated, sensitive, provide real-time detection ability, and do not require labels. The electrically-induced deflective amplification transducers can be reconfigured to identify molecules in spectroscopy. A new type of electrophoresis is established using nanostructured transducers. The E-IDEA is applicable to optical fiber, nanomechanical cantilever, waveguide and nanowire or nanotube tranducers. These adaptive and reconfigurable sensors have application in the fields of national security, public health and economic development.
    • 作为用于检测和识别化学品,生物分子和气体分子的主动控制和可重新配置的纳米机械传感器的电诱导偏转放大传感器。 电感应偏转放大传感器使用电场来控制换能器的弯曲,具有取决于电场强度的可调节灵敏度,以及用于在超低浓度和超高浓度下检测靶分子的可重构操作范围。 传感器高度集成,灵敏,提供实时检测能力,不需要标签。 可以重新配置电诱导的偏转放大换能器来识别光谱学中的分子。 使用纳米结构的换能器建立了一种新型的电泳。 E-IDEA适用于光纤,纳米机械悬臂,波导和纳米线或纳米管传感器。 这些适应性和可重构传感器在国家安全,公共卫生和经济发展等领域得到应用。
    • 6. 发明授权
    • Real time DRC assistance for manual layout editing
    • 实时DRC协助手动布局编辑
    • US08453103B2
    • 2013-05-28
    • US13219524
    • 2011-08-26
    • Jon BendicksenRandy BishopZuo DaiJohn HapliDick LiuMing Su
    • Jon BendicksenRandy BishopZuo DaiJohn HapliDick LiuMing Su
    • G06F15/04G06F17/50
    • G06F17/50G06F17/5068G06F17/5081
    • Roughly described, while manually dragging shapes during IC layout editing, editing operations determine which edges of which shapes are moving at what speed ratios. Based on the edge information and the DRC rules, the system calculates and keeps track of the minimum of the maximum distance the edges are allowed to move with the cursor without violating DRC rules, in four linear directions and all corner directions. Once a next cursor destination point is known, a DRC clean destination point is calculated based on the linear and corner bounds. If the next cursor position is beyond a the push-through distance ahead of the new DRC clean point, the editing objects are moved to the user's destination point. Otherwise, the editing objects are moved to the new DRC clean destination point, thereby stopping movement at that point.
    • 粗略地描述,当在IC布局编辑期间手动拖动形状时,编辑操作确定哪些边缘以什么速度比运动。 根据边缘信息和DRC规则,系统在四个直线方向和所有角方向上计算并跟踪边缘允许与光标一起移动的最小距离,而不违反DRC规则。 一旦知道下一个光标目的地点,就会根据线性和边界边界计算DRC清理目标点。 如果下一个光标位置超出新的DRC清洁点之前的推送距离,则将编辑对象移动到用户的目标点。 否则,编辑对象将移动到新的DRC清除目的地点,从而停止在该点移动。
    • 7. 发明授权
    • High performance DRC checking algorithm for derived layer based rules
    • 用于基于派生层的规则的高性能DRC检查算法
    • US08448097B2
    • 2013-05-21
    • US13211211
    • 2011-08-16
    • Zuo DaiDick LiuMing Su
    • Zuo DaiDick LiuMing Su
    • G06F17/50G06F9/455
    • G06F17/5081
    • Roughly described, a design rule data set includes rules on derived layers. The rules are checked by traversing the corners of physical shapes, and for each corner, populating a layout topology database with values gleaned from that corner location, including values involving derived layers. After the layout topology database is populated, the values are compared to values in the design rule data set to detect any design rule violations, including violations of design rules defined on derived layers. Violations are reported in real time during manual editing of the layout. Preferably corner traversal is performed using scan lines oriented perpendicularly to edge orientations, scanning in the direction of the edge orientations. Scans stop only at corner positions on physical layers, and populate the layout topology database with what information can be gleaned based on the current scan line, including information about derived layers. The scans need not reach corners simultaneously.
    • 粗略描述,设计规则数据集包括关于派生层的规则。 通过遍历物理形状的角点来检查规则,并且对于每个角落,使用从该角落位置收集的值(包括派生层的值)填充布局拓扑数据库。 在填充布局拓扑数据库之后,将值与设计规则数据集中的值进行比较,以检测任何设计规则违规,包括违反在派生层上定义的设计规则。 手动编辑布局时,会实时报告违规行为。 优选地,使用垂直于边缘取向定向扫描的扫描线进行拐角穿透,沿着边缘取向的方向进行扫描。 扫描仅在物理层的角位置停止,并根据当前扫描行填充布局拓扑数据库,其中包含有关派生层的信息。 扫描不需要同时到达角落。
    • 9. 发明授权
    • Intuitive interactive cloning for custom layout generation
    • 用于自定义布局生成的直观交互式克隆
    • US08718983B1
    • 2014-05-06
    • US13223243
    • 2011-08-31
    • Haichun ChenMing Su
    • Haichun ChenMing Su
    • G06F17/50
    • G06F17/5068
    • A computer system and corresponding process is disclosed for making a design layout based on a schematic diagram. The system comprises a user interface which includes a display of a schematic diagram of a layout to be designed. The schematic diagram includes multiple occurrences of a target element. Source elements are displayed, which correspond with the target element. One occurrence of multiple occurrences of the target element shown in the schematic diagram is selected. The source element is applied to the selected target element. A computer program product bears software for directing a computer system to perform the foregoing.
    • 公开了一种基于示意图进行设计布局的计算机系统和相应的过程。 该系统包括用户界面,其包括要设计的布局的示意图的显示。 原理图包括目标元素的多次出现。 显示源元素,它们与目标元素相对应。 选择原理图中所示的多次出现目标元素的一次。 源元素应用于所选的目标元素。 计算机程序产品具有用于指导计算机系统执行前述的软件。