文件名称:image-retrieval-technology-research
- 所属分类:
- 图形图像处理(光照,映射..)
- 资源属性:
- 上传时间:
- 2012-11-26
- 文件大小:
- 2.46mb
- 下载次数:
- 0次
- 提 供 者:
- 陈**
- 相关连接:
- 无
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基于内容的图像检索技术的关键在于特征提取,是利用图像的颜色、形状、纹理、轮廓、对象的空间关系等客观独立的存在于图像中的基本视觉特征作为图像的索引,计算查询图像和目标图像的相似距离,按相似度匹配进行检索。综合国内外研究现状,可将基于内容的图像检索技术分为如下几种类型:基于颜色特征的检索、基于纹理特征的检索、基于形状及区域的检索、基于空间约束关系的检索。-Based on comparing various affine invariant regional basis, selection of image stabilization exremum area biggest content segmentation and extraction. It has the affine invariants, the neighboring territory, stability and multi-scale characteristics, but also because of regional only by grey value of decision, so the size relations is not sensitive illumination change. In images all the pixel, then through sorting for barrel separated binary tree forest-- set the extreme area all obtained images and construct component tree, finally through the biggest stable delay-independent conditions MSER area is MSER, obtain the area without rules boundary shape of its, in order to facilitate to quantification descr iption, using covariance matrix region neat optimization, made the final output of extreme value for the oval areas regional.
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image retrieval technology research.nh