Big Brother is Watching You—But in a Good Way

Carlin St. Pierre, D. Bainbridge, Bill Rogers
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引用次数: 1

Abstract

In any modern desktop environment the glyph compositor-where raw text information is combined with font information and other attributes to render rasterized component images-is part of the software's core functionality. In this paper we present work that shows it is computationally feasible to apply full-text indexing in real-time to the live stream of glyph compositor operations generated by a user's interaction with their desktop environment. By embedding indexing functionality at such a level, we effectively get to “see” (and more importantly remember) all the text that is drawn on the user's screen. With elements reminiscent of the Memex, we illustrate the technique in use through a personal digital library we have developed that enriches (through text-searching and context) the user's desktop experience by letting them go back in time to view information that had previously been displayed. We achieved this by augmenting our dynamically updated text index with time-stamped snapshots of the desktop. By recording the (x, y) positions of the text at the time it is rendered, the snapshots have a semi-live feel, whereby text can be selected for copy-and-paste operations for further use. Moreover, windows-even if they were hidden behind others at the time the text was rendered-can be brought to the front and their text accessed.
老大哥在看着你——但以一种好的方式
在任何现代桌面环境中,字形合成器(将原始文本信息与字体信息和其他属性结合起来以呈现栅格化组件图像)都是软件核心功能的一部分。在本文中,我们展示的工作表明,将全文索引实时应用于由用户与其桌面环境交互产生的字形合成操作的实时流在计算上是可行的。通过在这样一个层次上嵌入索引功能,我们可以有效地“看到”(更重要的是记住)绘制在用户屏幕上的所有文本。我们使用Memex的元素,通过我们开发的个人数字图书馆来说明使用的技术,该图书馆(通过文本搜索和上下文)丰富了用户的桌面体验,让他们可以及时回到过去查看以前显示的信息。我们通过使用带有时间戳的桌面快照来增强动态更新的文本索引,从而实现了这一点。通过在呈现文本时记录文本的(x, y)位置,快照具有半活动的感觉,因此可以选择文本进行复制和粘贴操作以供进一步使用。此外,窗口(即使在呈现文本时隐藏在其他窗口后面)可以被带到前面并访问它们的文本。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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