视觉显著性特征的矢量对象多尺度表达Multi-scale representation of vector objects based on visual saliency
蓝贵文,佘丽霞,张强
摘要(Abstract):
针对矢量数据在网络上渐进传输中的多尺度组织问题,该文提出一种基于视觉显著性特征的多尺度增量组织和表达方法。根据人类视觉机制和矢量地图的多尺度表达特征,提出了基于视觉显著性的多尺度矢量模型,实现矢量空间要素的多尺度表达和线性序列组织。以线要素为例,讨论多尺度空间下矢量空间要素的视觉显著性和视觉信息增量变化。实验表明,本文提出的方法可以较好地改进渐进传输时矢量数据的可视化效果。
关键词(KeyWords): 多尺度表达;视觉显著性;矢量对象分解;渐进传输
基金项目(Foundation): 国家自然科学基金项目(41261088);; 广西空间信息与测绘重点实验室主任基金项目(151400706,163802509);; 广西区研究生创新计划项目(002504216008);; 广西“八桂学者”岗位专项经费资助
作者(Author): 蓝贵文,佘丽霞,张强
DOI: 10.16251/j.cnki.1009-2307.2019.03.028
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