Abstract
The MPEG-7 standard is emerging as both a general framework for content description and a collection of specific, agreed-upon content descriptors. We have developed a neural, self-organizing technique for content-based image retrieval. In this paper, we apply the visual content descriptors provided by MPEG-7 in our PicSOM system and compare our own image indexing technique with a reference system based on vector quantization. The results of our experiments show that the MPEG-7-defined content descriptors can be used as such in the Pic- SOM system even though Euclidean distance calculation, inherently used in the PicSOM system, is not optimal for all of them. Also, the results indicate that the PicSOM technique is a bit slower than the reference system in starting to find relevant images. However, when the strong relevance feedback mechanism of PicSOM begins to function, its retrieval precision exceeds that of the reference system.
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Koskela, M., Laaksonen, J., Oja, E. (2002). MPEG-7 Descriptors in Content-Based Image Retrieval with PicSOM System. In: Chang, SK., Chen, Z., Lee, SY. (eds) Recent Advances in Visual Information Systems. VISUAL 2002. Lecture Notes in Computer Science, vol 2314. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-45925-1_23
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DOI: https://doi.org/10.1007/3-540-45925-1_23
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