Metadata for Personal Media Collections (Video Data Sources and Applications)
Consumer Media Libraries Fig. 2.4 shows a typical user interface for authoring this level of metadata. In this example, these represent fields in the Content Description Object in Microsoft’s ASF...
View ArticleEssential Media Metadata (Video Data Sources and Applications)
Embed Global Metadata Some level of metadata is embedded within the media stream, either as a header for use in decoding or rendering, or as an additional logical bitstream multiplexed within the...
View ArticleIntroduction to Video Data Sources and Applications
To further illustrate the challenges and opportunities for video search, this topic will address the nature, availability, and attributes of different sources of video data. Search engines leverage all...
View ArticleMetadata vs. Content (Video Search Engines)
Metadata is “data about data,” or in this case “data about media.” Global metadata refers to the entire media assets and typically includes a title, author, copyrights, etc. While almost every video...
View ArticleAdvantages of Video Search over Text (Video Search Engines)
Given all these aspects which make video search more difficult than text search, together with the fact that text search engines are far from perfect themselves, it may be surprising that successful...
View ArticleChallenges of Video Search (Video Search Engines)
Searching requires browsing sets of candidate results. Video is a continuous (or linear) medium: if paused, only a single frame remains, audio is lost. Text is displayed in a more parallel fashion and...
View ArticleClassification of Video Sources (Video Search Engines)
As we discuss video search, it is important to keep in mind that the nature and quality of video varies widely depending on the application. The value of video can be difficult to judge; we can assess...
View ArticleClassification of Web Video Sites (Video Search Engines)
As users browse the Web, they are likely to encounter video on almost any site. If we focus on the sites that appear to be video portals or claim to offer video search, we can begin to discern several...
View ArticleAddressing the Opportunity (Video Search Engines)
Realizing that inexpensive storage, ubiquitous broadband Internet access, low cost digital cameras, and nimble video editing tools would result in a flood of unorganized video content, researchers have...
View ArticleIntroduction to Video Search (Video Search Engines)
Today’s World Wide Web is truly a video Web. Millions of video clips are available to users instantly thanks to widely available broadband IP networks, low-cost storage and mature digital video...
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