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    • 9. 发明授权
    • Method for visualizing large volumes of multiple-attribute data without aggregation using a pixel bar chart
    • 使用像素条形图可视化大量多个属性数据而不进行聚合的方法
    • US07221474B2
    • 2007-05-22
    • US09917393
    • 2001-07-27
    • Ming C. HaoJulian LadischUmeshwar DayalMeichun HsuDaniel Keim
    • Ming C. HaoJulian LadischUmeshwar DayalMeichun HsuDaniel Keim
    • G06K15/00
    • G06T11/206
    • A method for graphically presenting large volumes of data without aggregation using a pixel bar chart. Records having multiple attributes are sorted for constructing a graphically displayable array, wherein the graphically displayable array comprises a plurality of pixels. Each pixel represents one record. The non-aggregation data visualization technique of the present invention provides solutions to meet the need of automatic data preparation for the visual data mining of massive data volumes. The present invention effectively uses screen space to represent each record without cluttering the display, allowing a user to easily discover patterns and correlations. The present invention provides a visual impression by representing the value of a record by a color and representing the number of records by the area of a group. With “drill down” capability, a user can navigate through each record to find detail information. Each record is represented by one pixel, allowing millions of records to be displayed at the same time. Each individual record can be accessed interactively, by allowing direct access to the detail data by picking at single pixels.
    • 使用像素条形图图形化地呈现大量数据而不进行聚合的方法。 对具有多个属性的记录进行排序以构建图形可显示阵列,其中图形可显示阵列包括多个像素。 每个像素代表一个记录。 本发明的非聚合数据可视化技术提供了满足大量数据量的视觉数据挖掘的自动数据准备的需要的解决方案。 本发明有效地使用屏幕空间来表示每个记录而不会使显示器混乱,从而允许用户容易地发现图案和相关性。 本发明通过用颜色表示记录的值并且通过组的区域表示记录的数量来提供视觉印象。 通过“下钻”功能,用户可以浏览每个记录以查找详细信息。 每个记录由一个像素表示,允许同时显示数百万条记录。 可以通过交互方式来访问每个单独的记录,方法是通过单个像素选择直接访问细节数据。