The reason is that automaticapproach and landing by only GPS based guidance may have large position errors.
原因是仅依靠GPS导航的自动接近和着陆,可能有较大的位置误差。
2
In this paper, an automaticapproach for thresholding based on gray level gradient co occurrence matrix model and the maximum entropy principles is proposed.
提出了一种基于灰度-梯度共生矩阵模型和最大熵原理的自动阈值化方法。
3
In this paper, an automaticapproach for extracting main city roads based on straight lines is developed, in which main city roads are modeled according to their characteristics in the image.