Information Technology Reference
In-Depth Information
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Time
Figure 11.4
Visual changes of a banana over time. (From Ye, L., Cao, L., Ogunbona, P., and Li, W.,
V isual Content Processing and Representation, Springer, Berlin-Heidelberg, 189-97, 2006. With
permission.)
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Figure 11.5
Normalized distances of visual changes measured by MPEG-7 descriptors. (From Ye, L.,
Cao, L., Ogunbona, P., and Li, W., V isual Content Processing and Representation, Springer, Berlin-
Heidelberg, 189-97, 2006. With permission.)
11.3 Visual Similarity and Feature Aggregation
Visual similarity of images and videos has been believed to be perceived
using multiple visual features, though this process is little known. The eval-
uation results in Section 11.2 have suggested that no single color descriptor
can adequately quantify the whole visual content of images and videos per-
ceived collectively with multiple visual features and no single descriptor can
 
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