TRADEMARK RETRIEVAL BASED ON IMAGE INFORMATION ENTROPY
Zhou Li-hua · Jisuanji gongcheng · 2000
In this paper,we present a method for such system based on the image content using unit entropy.Experimental results on a database of 1310 trademark images demonstrate that the proposed method retrieval visually similar trademarks which agree well with human perception, at the same time, it has scale invariance, noise invariance, thick and thin invariance.