期刊文献+

一种新的自适应特征谱

A new adaptive feature spectrum descriptor
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摘要 图像特征谱给予图像原始特征以富有表达力的、统一的、可操作的形式化描述。本文针对单一图像特征谱在应用时对图像信息表达的片面性和干扰性问题,提出了一种自适应特征谱,该特征谱利用纹理谱对纹理特征的描述将图像区域划分为光滑区和纹理区,对于光滑区域将选择颜色谱作为区域特征,而对于纹理区将选择纹理谱作为特征值,因此它可以对具有不同视觉特点的图像给予灵活的特征描述。为了检验该特征谱的有效性,我们将它应用于基于内容的图像检索中,实验结果表明,利用所提出的自适应特征谱具有很好的检索效果和较小的时间复杂度。 Feature spectrum descriptors give the rich, unified, workable expressions of the original characteristics of an image. In this paper, to solve the unilateral and interference problems in the application of one single feature spectrum descriptor, adaptive feature spectrum descriptor is proposed. Suitable features are choosen according to the characteristics of the image region itself. In order to test the performance of the feature spectrum descriptor, it was appllied to the contentbased image retrieval. Experiments show that the new feature spectrum descriptor has good retrieval efficiency, and small time complexity.
出处 《中国图象图形学报》 CSCD 北大核心 2010年第10期1530-1536,共7页 Journal of Image and Graphics
基金 辽宁省自然基金项目(20072156) 辽宁省教育厅科学技术研究项目(20060486) 辽宁"百千万人才工程"项目(2008921036) 南京邮电学院图像处理与图像通信江苏省重点实验室开放基金(ZK207008)
关键词 图像特征谱 纹理特征谱 HSV颜色直方图 基于内容的图像检索 feature spectrum descriptor texture spectrum descriptor HSV histogram content-based image retrieval
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参考文献15

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共引文献30

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