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	<title>Pixel shaker &#187; How to find good examples of triangular inequality for visual similarity?</title>
	<link>http://pixel-shaker.fr</link>
	<description>Blog on image processing and analysis (by Frédéric Morain-Nicolier)</description>
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		<title>How to find good examples of triangular inequality for visual similarity?</title>
		<description><![CDATA[[cliquer ici pour la version en français] Amos Tversky works have shown that human similarity judgement is not a metric (in a mathematic sens). In particular the following properties are not always verified: Minimality : \delta(a,b) \geq \delta(a, a) = 0. Symmetry : \delta(a, b) = \delta(b, a). Triangular inequality : \delta(a, b) + \delta(b, [...]]]></description>
		<link>http://pixel-shaker.fr/en/2009/06/ou-trouver-de-bon-exemples-de-linegalite-triangulaire-en-similarite-visuelle/</link>
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