1. Alahi, A., Ortiz, R., Vandergheynst, P.: FREAK: fast retina keypoint, pp. 510–517. CVPR ’12, Providence (2012)
2. Amato, G., Falchi, F.: kNN based image classification relying on local feature similarity, pp. 101–108. SISAP ’10, Istanbul (2010)
3. Amores, J.: Multiple instance classification: review, taxonomy and comparative study. Artif. Intell. 201, 81–105 (2013)
4. Ardizzoni, S., Bartolini, I., Patella, M.: Windsurf: region-based image retrieval using wavelets, pp. 167–173. IWOSS 1999, Florence (1999)
5. Bartolini, I., Ciaccia, P.: Imagination: exploiting link analysis for accurate image annotation, pp. 32–44. AMR 2007, Paris (2007)