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- W1570582582 abstract "Progress in Content-Based Image Retrieval (CBIR) is ham- pered by the absence of well-documented and validated test-sets that provide ground-truth for the performance evaluation of image indexing, retrieval and clustering tasks. For quick access to large (tenthousands or millions of images) digital image collections a hierarchically structured indexing or browsing mechanism based on clusters of similar images at various coarse to fine levels is highly wanted. The Leiden 19th-Century Portrait Database (LCPD), that consists of over 16,000 scanned studio portraits (so-called Cartes de Visite CdV), happens to have a clearly delineated set of clusters in the studio logo backside images. Clusters of similar or semantically identical logos can also be formed on a number of levels that show a clear hierarchy. The Leiden Imaging and Multimedia Group is constructing a CD-ROM with a well-documented set of studio portraits and logos that can serve as ground-truth for feature performance evaluation in domains beside color-indexing. Its grey-level image lay-out characteristics are also described by various precalculated feature vector sets. For both portraits (near copy pairs) and studio logos (clusters of identical logos) test-sets will be provided and described at various clustering levels. The statistically significant number of test-set images embedded in a realistically large environment of narrow-domain images are presented to the CBIR community to enable selection of more optimal indexing and retrieval approaches as part of an internationally defined test-set that comprises test-sets specifically designed for color-, texture- and shape retrieval evaluation.KeywordsImage RetrievalRelevance FeedbackCluster MemberDesign IndexGoal ImageThese keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves." @default.
- W1570582582 created "2016-06-24" @default.
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- W1570582582 date "2000-01-01" @default.
- W1570582582 modified "2023-09-27" @default.
- W1570582582 title "A Ground-Truth Training Set for Hierarchical Clustering in Content-based Image Retrieval" @default.
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- W1570582582 doi "https://doi.org/10.1007/3-540-40053-2_44" @default.
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