Three-Dimensional Modeling of an Urban Park and Trees by …

نوشته شده در موضوع خرید اینترنتی در ۰۲ آبان ۱۳۹۶

Abstract

In this study, we reliable a application of airborne and unstable on-ground scanning light showing and trimming (LIDARs) for three-dimensional cognisance of an civic park and quantification of biophysical variables of trees in a park. The digital canopy tallness indication (DCHM) and digital turf indication generated from airborne scanning LIDAR information supposing accurate images of a belligerent aspect and particular tree canopies. The heights of 166 coniferous and broadleaf trees of 11 class in a park were estimated from a DCHM images with slight underestimation (mean error = −۰٫۱۴ m, RMSE = ۰٫۳۰ m). Portable on-ground scanning LIDAR supposing images of particular trees with minute features. Tree tallness and case hole were estimated to be within 0.31 m and 1 cm, respectively, from a on-ground LIDAR images. We total airborne and on-ground LIDAR images to overcome blind regions and combined a finish three-dimensional indication of 3 station trees. The indication authorised not usually visible comment from all viewpoints though also quantitative determination of canopy volume, case volume, and canopy cross-sectional area.

Article source: https://link.springer.com/article/10.1007/s10666-007-9115-5

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