1. A system ( 100 ) for retrieving an image from the storage of images, the system comprising: a retrieval unit ( 110 ) for retrieving an image from the storage of images, on the basis of similarity of images from the storage of images to a query image, wherein the similarity is defined by means of a similarity function; a relevance unit ( 120 ) for computing relevance of a first portion of the retrieved image to a respective first portion of the query image and of a second portion of the retrieved image to a respective second portion of the query image; and a visualization unit ( 130 ) for visualizing the relevance of the first and second portion of the retrieved image to the respective first and second portion of the query image.