International Journal of Computer Vision
A Model of Saliency-Based Visual Attention for Rapid Scene Analysis
IEEE Transactions on Pattern Analysis and Machine Intelligence
Feature Detection with Automatic Scale Selection
International Journal of Computer Vision
Optimum Image Thresholding via Class Uncertainty and Region Homogeneity
IEEE Transactions on Pattern Analysis and Machine Intelligence
Focusing attention on objects of interest using multiple matched filters
IEEE Transactions on Image Processing
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A scale-adaptive method for tree segmentation and recognition based on the LiDAR height data is described. The proposed method uses an isotropic matched filtering operator optimized for the fast and reliable detection of local and multiple objects. Sequential local maxima of this operator indicate the centers of potential objects of interest such as the trees. The maxima points also represent the seed pixels for the region-growing segmentation of tree crowns. The tree verification (recognition) stage consists of tree feature estimation and comparison with reference values. Various non-uniform tree characteristics are taken into account when making decision about a tree presence in the found location. Experimental examples of the application of this method for the tree detection in LiDAR images of forests are provided.