Retrievr is an experimental service which lets you search and explore in a selection of Flickr images by drawing a rough sketch. Currently the index contains many of Flickr's most interesting images. If you'd like to have your images (or the images for a
A. Brack, A. Hoppe, P. Buschermöhle, and R. Ewerth. JCDL '22: The ACM/IEEE Joint Conference on Digital Libraries in 2022, Cologne, Germany, June 20 - 24, 2022, page 34. ACM, (2022)