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PageRank for Product Image Search - By Nitro PDF Software

In this paper, we cast the image-ranking problem into the
task of identifying "authority" nodes on an inferred visual
similarity graph and propose an algorithm to analyze the
visual link structure that can be created among a group
of images. Through an iterative procedure based on the
PageRank computation, a numerical weight is assigned to
each image; this measures its relative importance to the
other images being considered. The incorporation of visual
signals in this process differs from the majority of large-
scale commercial-search engines in use today. Commercial
search-engines often solely rely on the text clues of the pages
in which images are embedded to rank images, and often en-
tirely ignore the content of the images themselves as a rank-
ing signal. To quantify the performance of our approach in
a real-world system, we conducted a series of experiments
based on the task of retrieving images for 2000 of the most
popular products queries. Our experimental results show
significant improvement, in terms of user satisfaction and
relevancy, in comparison to the most recent Google Image
Search results.

Tags: google, image, search, paper on 2008-04-29 -All Annotations (0) -About

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ppip: 流浪的天空 › Word毕业论文写作

Tags: howto, paper, guide on 2008-04-14 -All Annotations (0) -About

more fromwww.happysky.org

- 最重要的：结构是第一位的，表现是第二位的。有了良好的结构，要长的好看很容易；反过来则很难。
- 尽量避免做dirty work。如果有什么事情你需要重复超过三次，想想Word能不能自动的完成它？
- 除非必要，尽量不要创造新的格式。能够用格式刷的时候就用格式刷。样式修改只在［样式和格式］任务窗格里面进行，尽量不要直接修改正文。从别的文章中复制过来的东西，尽量选择［编辑－选择性粘贴－无格式文本］，不要把别的文章的格式带过来。
- 适当的采用分节，把正文和目录在逻辑上分开，便于区分设置。
- 章节编号采用自动多级编号，每一级都要关联到对应的标题样式（这样才会关联到对应的大纲级别，便于生成目录）。如果需要用“第一章／第一节／1.1.1”这样的编号，在第三级用［高级－正规形式编号］解决。
- 图编号和表编号用类似“图 1 -“这样的题注来解决，word本来可以自动插入章节号，但是我们的章节号是中文，就没有办法了，还好不太麻烦。
- 页眉部分插入域代码：styleREF "标题 1"，就可以自动显示当前章节名称了。
- 复杂编辑用第三方软件。公式编辑用mathtype，图表比较复杂的可以用origin，化学式子用什么？
- 公式在格式更新之后上下不对齐的问题，在［段落-中文版式－文本对齐方式］里面有一个居中选项。
- 公式、公式编号的的对齐用标尺栏上的制表符来解决，暂时没有更好的办法。
- 参考文献用EndNote或者NoteExpress，后者上手比较快，并且对中文数据库支持比较好。