<html> <head> <meta http-equiv="content-type" content="text/html; charset=ISO-8859-1"> </head> <body bgcolor="#FFFFFF" text="#000000"> A new preprint is available in IPOL: <a class="moz-txt-link-freetext" href="http://www.ipol.im/pub/pre/82/">http://www.ipol.im/pub/pre/82/</a> The Anatomy of the SIFT method by Ives Rey Otero, Mauricio Delbracio Abstract This article presents a detailed analysis and implementation of the Scale Invariant Feature Transform (SIFT), a popular image matching algorithm. SIFT is a complex chain of transformations; each element of this chain and the respective invariance properties are herein presented and analyzed. One of the main drawbacks of the SIFT algorithm is probably the large number of parameters that need to be set. This work contributes to a detailed dissection of this algorithm where a careful analysis of each of its design parameters is discussed and its impact shown in an online demonstration. <meta charset="utf-8"> </body> </html>