| Publisher | University of Geneva | ||
|---|---|---|---|
| Format | 109.1KB PDF, requires Acrobat Rdr 5 | Date added | 31 Jan 2000 |
| Topics | Content Management | ||
| Downloads | 149 | ||
Relevance feedback has been shown to be a very effective tool for enhancing retrieval results in text retrieval. In content-based image retrieval it is more and more frequently used and very good results have been obtained. However, too much negative feedback may destroy a query as good features get negative weightings. This paper compares a variety of strategies for positive and negative feedback. The performance evaluation of feedback algorithms is a hard problem. To solve this, we obtain judgments from several users and employ an automated feedback scheme. We can then evaluate different techniques using the same judgments. Using automated feedback, the ability of a system to adapt to the user’s needs can be measured very effectively.
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