Transmedia search method based on multi-mode information convergence analysis

The invention relates to a mediate-span search method based on multi-mode information fusion analysis, wherein the invention can fuse and analyze the multi-mode information to understand the multimedia semantic, to realize multimedia document search, image search, sound search and text search based on content; user can via provided search sample at any mode searches the media object or multimedia document at any mode; for example, for searching image, user can provide image as search sample to search, or provide sound or text or their combination as the search sample to search. Since the invention not only uses keyword, also fuses and analyzes all multimedia objects in the multimedia document, to synthesize the information carried by variable mode mediate to understand the mantic to obtain better search effect. Since the search sample and feedback result are in different modes, it has strong function and wide application.