Search engine for videos
As discussed before, indexing video files for search purposes presents a much more complex problem than indexing text. Video clips are now a major component of many Web sites and the need for search facilities has brought about a number of approaches. Katherine Boehret of the Mossberg Solution reports about a new search engine at VideoSurf:
Web video has transformed the way the Internet is used, but finding the exact clip you want can be incredibly hard. And it’s no wonder, considering that sites like YouTube conduct their hunts by looking at a clip’s “contextual metadata” — tags, video title and description — and thus can often be misled by false information. For example, a homemade video about cooking might be inaccurately tagged with a popular search word like “Obama” so as to get more traction.
This week I tested VideoSurf.com, a site that claims to be the first to search videos by “seeing” images that appear in these videos. The company says its technology can analyze a clip’s visual content, as well as its metadata — especially when searching for people. VideoSurf has analyzed and categorized more than 12 billion visual moments on the Web to understand who the most important characters and scenes are in a video, and it uses this knowledge to sort clips according to relevancy.
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