搜索引擎如何索引图像 [英] How do search engines index images

问题描述

我见过各种搜索引擎，其中显示了关键字X的图片

但是当我检查图像时，它的imageName，imageURL，imageALT不包含文本X.


那么他们如何搜索和索引图像.图像搜索背后的方法是什么?

i have seen various search engines, which shows images for keyword X

but when i checked that images, its imageName, imageURL, imageALT doesnot contains the text X.


So how do they search and index images. Whats the methodology behind image search?

推荐答案

很抱歉，每个搜索引擎都有自己的过程，并且都是专有的.我非常怀疑您会找到此查询的直接答案.

Sorry but each search engine has their own process and all of it is proprietary. I highly doubt you will find a direct answer to this query.

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