作者
Nenad Tomašev, Raluca Brehar, Dunja Mladenić, Sergiu Nedevschi
发表日期
2011/8/25
研讨会论文
2011 IEEE 7th International Conference on Intelligent Computer Communication and Processing
页码范围
367-374
出版商
IEEE
简介
Object recognition from images is one of the essential problems in automatic image processing. In this paper we focus specifically on nearest neighbor methods, which are widely used in many practical applications, not necessarily related to image data. It has recently come to attention that high dimensional data also exhibit high hubness, which essentially means that some very influential data points appear and these points are referred to as hubs. Unsurprisingly, hubs play a very important role in the nearest neighbor classification. We examine the hubness of various image data sets, under several different feature representations. We also show that it is possible to exploit the observed hubness and improve the recognition accuracy.
引用总数
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N Tomašev, R Brehar, D Mladenić, S Nedevschi - 2011 IEEE 7th International Conference on Intelligent …, 2011