Deals with detection of road networks in aerial imagery. In natural images, roadlike segments extracted by low level operators are highly fragmented. The main focus of this work is the development of an intermediate processing stage that addresses the task of partitioning and connecting the roadlike fragments. Heuristics based upon generally observed properties of roadlike features are used to cluster and integrate segments that appear perceptually continuous. The segments are represented as lists and processed symbolically. The proposed methodology is exemplified using three data sets: a suite of four synthetic segment sets which were used to test the sensitivity of the algorithm to thresholds and noise; a circularly polarized millimeter wave (TABILS 5) radar pseudo image, and a thematic mapper (LANDSAT) image.
Heuristics for intermediate level road finding algorithms
Heuristisches Verfahren zur Erkennung von Fahrstrassen in Luftbildern
Computer Vision, Graphics, and Image Processing ; 44 , 2 ; 175-190
1988
16 Seiten, 15 Quellen
Article (Journal)
English
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