The virtual image in streaming video indexing
DCMI '02 Proceedings of the 2002 international conference on Dublin core and metadata applications: Metadata for e-communities: supporting diversity and convergence
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When using visual video features in an interactive video indexing environment, it is necessary to visualize the meaning and impact of features to people that are not image processing experts, such as video librarians. An important method to visualize the relationship between the feature and the video is projection of feature values on the original video data.In this paper, we describe the characteristics of video feature types with respect to visualization. In addition, requirements for the visualization of video features are distinguished. Several video visualization methods are evaluated against the requirements. Furthermore, for feature visualization we propose the backprojection method in combination with the evaluated video visualization methods.We have developed the VidDex system which uses backprojection on various video visualization modes. By combining the visualization modes, the requirements for the feature characteristics identified can be met.