摘要
基于规则数字高程模型格网的峡谷检测是地形特征分析的重要手段。提出了基于定义的峡谷检测方法,该方法使用4个参数来定义不同类型的峡谷。在低空飞行器航迹规划中,通过对参数赋不同的值可以检测到符合各种飞行器要求的峡谷谷底。与传统的分水岭峡谷检测方法相比,克服了过分割问题,隐含了多尺度分析特性并带来了更好的鲁棒性。
Valley extraction based on a regular DEM grid is an important method for terrain analyzing. In this paper, a definition-based method for valley extraction is proposed, which use only four parameters to define different types of valleys, In the applications of route planning of low altitude aircrafts, various valleys fitting for various aircrafts can be extracted by different parameters. Compared to the watershed valley extracting method, this method can avoid over-segmentation problem and bring in multi-scale features and more robustness.
出处
《红外与激光工程》
EI
CSCD
北大核心
2006年第2期230-233,共4页
Infrared and Laser Engineering
基金
华中科技大学博士后科学基金资助项目(200517)
