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|Title:||Empirical comparison of image retrieval color similarity methods with human judgment|
Human similarity judgment
|Source:||Chan, H.C. (2008). Empirical comparison of image retrieval color similarity methods with human judgment. Displays 29 (3) : 260-267. ScholarBank@NUS Repository. https://doi.org/10.1016/j.displa.2007.08.013|
|Abstract:||It is important to verify assumptions and methods of image retrieval against actual human behavior. A study was conducted to compare similarity methods of color histograms against human assessment of similarity. The similarity methods tested include basic histogram intersection, center histogram matching, locality histogram matching, and size-weighted histogram matching. 161 subjects participated in the empirical study. The findings, based on Spearman correlation analysis, showed that both the basic histogram intersection method and size-weighted histogram are very close to human assessment of similarity (Spearman correlation coefficient of 0.915). The other two are not close to human judgment on similarity. This study illustrates an alternative approach to evaluating matching algorithms. Unlike the usual measures of recall and precision, this approach emphasizes human validation. Fewer images are required with the use of statistical testing. © 2007 Elsevier B.V. All rights reserved.|
|Appears in Collections:||Staff Publications|
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