Multimedia Retrieval Technology and Its Application in Network Archival Information Retrieval
The object of network archival information retrieval is diversified multimedia data and is searched relying on multimedia retrieval technology.Multimedia retrieval technology mainly includes image retrieval technology,audio retrieval technology and video retrieval technology.They have a wide range of application scenarios in network archival information retrieval,such as improving the quality of old photo archives after digitization,extracting the key figures and things in the photo to mark,multi-dimensional classification of photo archives,improving the quality of sound archives after digitization,extracting the content of the speech in sound archives,conducting speech archives based on speech recognition,speech retrieval based on voiceprint recognition,or music retrieval based on music fingerprints,improving the picture quality and play effect of video archives,extracting the key figures,subtitles text,key objects,etc.of image content,extracting thumbnails,enriching retrieval ways by using the image and speech characteristics and content characteristics of video archives,etc.
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