As the amount of visual information is rapidly increasing, users want to find the more semantic information easily. Most retrieval systems by low-level features(such as color, texture) could not satisfy user’s demand. To interpret semantic of image, many researchers use keywords as textual annotation. However, it’s the image retrieval without ranking by text matching which is the simplest way to retrieval according to keyword’s existence or nonexistence. In this paper, we propose conceptualization by similarity measure using relations among keywords for efficient image retrieval. We experiment annotated image retrieval by lowering the unrelated keyword’s weight value and raising important keyword’s one.
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