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    • 6. 发明授权
    • Domain objects for use in a freeform graphics system
    • 用于自由格式图形系统的域对象
    • US06509912B1
    • 2003-01-21
    • US09005978
    • 1998-01-12
    • Thomas P. MoranWilliam J. van MellePatrick Chiu
    • Thomas P. MoranWilliam J. van MellePatrick Chiu
    • G09G500
    • G06F3/04883
    • Domain objects for use in a freeform graphics system. Domain objects are context specific representations of information that are used in a freeform graphics system. Domain objects are represented in a freeform graphics system by a graphic object (icon) representing an instance of the domain object. The icon representing a domain object may be manipulated like any other graphic object. Domain objects are defined by a domain object class which define attributes, a set of action rules and layouts. The attributes describe the information or data associated with the domain object. The set of action rules map user actions and system events to operations that may be performed on the domain object. The layouts define how domain object information is displayed as an icon.
    • 用于自由格式图形系统的域对象。 域对象是在自由格式图形系统中使用的信息的上下文特定表示。 域对象通过表示域对象实例的图形对象(图标)在自由形状图形系统中表示。 表示域对象的图标可以像任何其他图形对象一样被操纵。 域对象由定义属性的一个域对象类定义,一组动作规则和布局。 属性描述与域对象相关联的信息或数据。 一组操作规则将用户操作和系统事件映射到可能对域对象执行的操作。 布局定义域对象信息如何显示为图标。
    • 7. 发明授权
    • Automatic extraction of text regions and region borders for an electronic work surface
    • 自动提取电子工作表面的文本区域和区域边界
    • US06470095B2
    • 2002-10-22
    • US09170896
    • 1998-10-13
    • James V. MahoneyPatrick ChiuThomas P. MoranWilliam J. van Melle
    • James V. MahoneyPatrick ChiuThomas P. MoranWilliam J. van Melle
    • G06K948
    • G06K9/00463
    • The spatial separations between clusters of objects on the electronic work surface are analyzed to automatically generate borders, which may be used in at least two manners. The borders may become explicit editable borders within an output image. Alternatively, the borders created may be implicit ephemeral borders. According to an aspect, a method uses the sufficient stability grouping technique to determine grouping of elements in the input image array into the text lines in the output text lines array. According to another aspect, a method uses the sufficient stability grouping technique to determine the amount of vertical expansion to apply to each text line so as to create text regions in the output array which correspond to the text lines in the input text lines array. According to yet another aspect, a method takes the text regions array as input and extracts enclosure borders from the text regions. The method according to this aspect applies distance thresholding and edge labeling based upon the contents of the text lines array. According to still another aspect, a method extracts structured borders from the text regions array. The method according to this aspect applies two-dimensional projection operations based upon the contents of the text lines array. According to yet still another aspect, a method extracts freeform linear borders from the text regions array. The freeform linear borders result from a Voronoi tesselation performed upon the contents of text regions array.
    • 分析电子工作表面上的物体簇之间的空间分离,以自动生成边界,其可以至少两种方式使用。 边框可能会成为输出图像中的显式可编辑边框。 或者,创建的边界可能是隐式的临时边界。 根据一个方面,一种方法使用足够的稳定性分组技术来确定输入图像阵列中的元素到输出文本行阵列中的文本行中的分组。 根据另一方面,一种方法使用足够的稳定性分组技术来确定应用于每个文本行的垂直扩展量,以便在输出阵列中创建与输入文本行阵列中的文本行对应的文本区域。 根据另一方面,一种方法将文本区域阵列作为输入并从文本区域中提取封闭边界。 根据该方面的方法基于文本行数组的内容应用距离阈值和边缘标记。 根据另一方面,一种方法从文本区域阵列中提取结构化边界。 根据该方面的方法基于文本行数组的内容应用二维投影操作。 根据另一方面,一种方法从文本区域阵列中提取自由形式的线性边界。 自由形式的线性边界是由对文本区域数组的内容执行的Voronoi细分。
    • 10. 发明授权
    • Computer controlled display system using a graphical replay device to control playback of temporal data representing collaborative activities
    • 使用图形重放装置的计算机控制显示系统来控制表示协作活动的时间数据的回放
    • US06332147B1
    • 2001-12-18
    • US08552648
    • 1995-11-03
    • Thomas P. MoranWilliam J. van MelleGordon P. KurtenbachPatrick Chiu
    • Thomas P. MoranWilliam J. van MelleGordon P. KurtenbachPatrick Chiu
    • G07F1721
    • G06F17/30017
    • A system for controlling the playback of a recorded session utilizing a window acting as a player for playing back a timestream for a shared representation media, such as an electronic whiteboard. Timestream and event information for the session is captured by one or more recording devices. Playback of a session is performed under the control of a session access device which utilizes event information to create a user interface for controlling session replay. The user interface includes the window for playing back the timestream of a shared representation media. Each graphical object in the window is associated with one or more events (e.g. a creation event, an editing event, a move event or a deletion event). Selection of a graphical object enables playback time to be moved to the time for one of the associated events. Selection may also be made on an area of the window. This will enable the user to view all events related to graphical objects in the selected area (as some graphical objects may be erased or moved).
    • 一种用于利用用作播放用于诸如电子白板的共享表示媒体的时间流来播放播放器的窗口来控制记录会话的重放的系统。 会话的时间流和事件信息由一个或多个记录设备捕获。 在会话访问设备的控制下执行会话的回放,该会话访问设备利用事件信息来创建用于控制会话重放的用户界面。 用户界面包括用于回放共享表示媒体的时间流的窗口。 窗口中的每个图形对象与一个或多个事件(例如创建事件,编辑事件,移动事件或删除事件)相关联。 图形对象的选择使播放时间能够移动到相关事件之一的时间。 也可以在窗口的区域上进行选择。 这将使用户能够查看与所选区域中的图形对象相关的所有事件(因为某些图形对象可能被擦除或移动)。