Haruhiko Nishiyama, Sumi Kin, Teruo Yokoyama, Yutaka Matsushita. An image retrieval system considering subjective perception. In Beth Adelson, Susan T. Dumais, Judith S. Olson, editors, Conference on Human Factors in Computing Systems, CHI 1994, Boston, Massachusetts, USA, April 24-28, 1994, Proceedings. pages 30-36, ACM, 1994. [doi]