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    • 32. 发明授权
    • System for editing graphical data based upon relative time of entry
    • 基于输入相对时间编辑图形数据的系统
    • US6151611A
    • 2000-11-21
    • US962489
    • 1997-10-31
    • Polly S. K. Siegel
    • Polly S. K. Siegel
    • G06F17/22G06F3/038G06F3/041G06F17/24G06T11/80G06F17/30
    • G06F3/038G06F17/243
    • This disclosure provides a system for editing graphical data based upon relative time of entry, and in particular, provides editing software used with an electronic digitizing clipboard. A stylus of the clipboard is used to write on pages, with a digitizer underneath the pages generating an electronic record of entered marks for storage and later recreation of the pages. The electronic record represents both stylus spatial coordinates, normally sampled every ten milliseconds, and certain user commands such as page identification, inserted at significant locations within the aggregate data stream. Data in the stream is associated with prior page identification commands, such that subsequent data may be cut or sorted based upon timing of that data relative to the page identification commands. In this manner, the remote editor, and splicing software on the editor, may distinguish data based upon time of entry, and move that data notwithstanding any spatial overlap with other stylus data.
    • 本公开提供了一种用于基于相对进入时间编辑图形数据的系统,并且特别地,提供与电子数字化剪贴板一起使用的编辑软件。 剪贴板的触控笔用于在页面上书写,数字化仪在页面下面生成输入的标记的电子记录,以便随后重新设计页面。 电子记录表示通常每十毫秒采样的触控笔空间坐标,以及插入在聚合数据流内的重要位置的某些用户命令,例如页面标识。 流中的数据与先前的页面识别命令相关联,使得可以基于该数据相对于页面标识命令的定时来对后续数据进行切割或排序。 以这种方式,编辑器上的远程编辑器和拼接软件可以基于进入时间区分数据,并且移动该数据,尽管与其他触笔数据具有空间重叠。
    • 33. 发明授权
    • Method for converting non-zero winding to even-odd fill polygons
    • 将非零绕组转换为奇数填充多边形的方法
    • US6111587A
    • 2000-08-29
    • US967621
    • 1997-11-12
    • Robert D. CoveyChing-Chi Billy Hsu
    • Robert D. CoveyChing-Chi Billy Hsu
    • G06T11/40G06T11/80
    • G06T11/40
    • The present invention discloses a method, apparatus, and article of manufacture for converting Non-Zero Winding to Even-Odd rule polygons, regardless of their shapes. Convex, concave, self-intersecting, and polygons with holes can all be converted from Non-Zero Winding to Even-Odd fill rule polygons. The invention accepts Non-Zero Winding fill polygons and computes all intersection points between the polygons. An initial intersection point between a first polygon and a second polygon is selected. The perimeter of either the first or second polygon is traced beginning from the selected intersection point. The trace switches between the perimeters of the first and second polygons as additional intersection points are reached during the tracing. The tracing is terminated when the selected intersection point is encountered by the tracing step. These steps are then repeated until all intersection points between the first and second polygons have been encountered.
    • 本发明公开了一种用于将非零绕组转换为偶数奇数规则多边形的方法,装置和制品,而不管其形状如何。 凸,凹,自相交,以及具有孔的多边形都可以从非零绕组转换为偶奇数填充规则多边形。 本发明接受非零绕组填充多边形并计算多边形之间的所有交点。 选择第一多边形和第二多边形之间的初始交点。 第一或第二多边形的边界从所选交叉点开始追踪。 在跟踪过程中到达第一和第二个多边形的周长之间的跟踪,作为附加的交点。 当跟踪步骤遇到所选交叉点时,跟踪终止。 然后重复这些步骤,直到遇到第一和第二个多边形之间的所有交点。
    • 38. 发明授权
    • Method and system for generating an image having a hand-painted
appearance
    • 用于产生具有手绘外观的图像的方法和系统
    • US06011536A
    • 2000-01-04
    • US83401
    • 1998-05-22
    • Aaron P. HertzmannKenneth Perlin
    • Aaron P. HertzmannKenneth Perlin
    • G06T11/80B44F11/02G06T5/20G06T11/00H04N1/387G09G5/00
    • G06T11/001B44F11/02
    • A method and system receives a digital source image and brush size data. The source image is blurred to generate a digital reference image. The brush size data includes a first record corresponding to a first size of a brush and a second record corresponding to a second size of the brush. The first size is different from the second size. The method and system applies brush strokes, with the first record to be used for the brush, to a digital canvas image using the reference image. Then the brush strokes are applied, with the second record to be used for the brush, to the canvas image using the reference and working images. Thus, a final digital image having a hand-painted appearance is generated on the canvas image. Long curved brush strokes can also be used to generate the target image, which is aligned in a normal direction to image gradients. Furthermore the graphic artist may adjust parameters of the method and system according to the present invention to vary the style of painting.
    • 方法和系统接收数字源图像和画笔大小数据。 源图像模糊以产生数字参考图像。 刷子尺寸数据包括对应于刷子的第一尺寸的第一记录和对应于刷子的第二尺寸的第二记录。 第一大小与第二大小不同。 该方法和系统应用画笔笔画,将第一个用于画笔的记录,使用参考图像应用于数字画布图像。 然后应用画笔笔画,将第二个记录用于画笔,使用参考和工作图像进行画布图像。 因此,在画布图像上生成具有手绘外观的最终数字图像。 也可以使用长弯曲的画笔描边来产生目标图像,该图像在正常方向上与图像梯度对齐。 此外,图形艺术家可以调整根据本发明的方法和系统的参数以改变绘画的风格。