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基于距离分布直方图的数字识别算法
吴少泓; 王云宽; 孙涛
2012-08-01
发表期刊计算机应用
卷号8期号:32页码:2299-2304
其他摘要Due to the mutability of unstrained or handwritten digits, most algorithms in previous works either forfeited easy implementation for high accuracy, or vice versa. In this paper, we proposed a novel feature descriptor,distance distribution histogram(DDH) and another adapted shape accumulate histogram(SAH) feature descriptor based on shape context which was not only easy to implement, but also was robust to noise and distortion. To make hybrid features more comprehensive, we also combined other adapted topological features. The new congregated features were complementary as they were formed from different original feature sets extracted by different means. What’s more, they were not complicate. We then employed three support vector machines (SVMs) with different feature vector doing recognition and integrated their results to get the final classification. Best result among several experiments based on different data bases was 99.213%, which demonstrated that our proposed algorithm was very robust and effective.
关键词特征提取 距离映射直方图 相对链码 形状累积直方图 块分布图 支持向量机
文献类型期刊论文
条目标识符http://ir.ia.ac.cn/handle/173211/15503
专题09年以前成果
作者单位中科院自动化研究所
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GB/T 7714
吴少泓,王云宽,孙涛. 基于距离分布直方图的数字识别算法[J]. 计算机应用,2012,8(32):2299-2304.
APA 吴少泓,王云宽,&孙涛.(2012).基于距离分布直方图的数字识别算法.计算机应用,8(32),2299-2304.
MLA 吴少泓,et al."基于距离分布直方图的数字识别算法".计算机应用 8.32(2012):2299-2304.
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