Visualizing Distributions from Multi-return Lidar Data to Understand Forest Structure

Released on by David Kao
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  • Visualizing Distributions from Multi-return Lidar Data to Understand Forest Structure Book Detail

  • Author : David Kao
  • Release Date : 2004
  • Publisher :
  • Genre : Aerial surveys
  • Pages : 8
  • ISBN 13 :
  • File Size : 72,72 MB
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Visualizing Distributions from Multi-return Lidar Data to Understand Forest Structure by David Kao PDF Summary

Book Description: Spatially distributed probability density functions (pdfs) are becoming relevant to the Earth scientists and ecologists because of stochastic models and new sensors that provide numerous realizations or data points per unit area. One source of these data is from multi-return airborne lidar, a type of laser that records multiple returns for each pulse of light sent towards the ground. Data from multi-return lidar is a vital tool in helping us understand the structure of forest canopies over large extents. This paper presents several new visualization tools that allow scientists to rapidly explore, interpret and discover characteristic distributions within the entire spatial field. The major contribution from-this work is a paradigm shift which allows ecologists to think of and analyze their data in terms of the distribution. This provides a way to reveal information on the modality and shape of the distribution previously not possible. The tools allow the scientists to depart from traditional parametric statistical analyses and to associate multimodal distribution characteristics to forest structures. Examples are given using data from High Island, southeast Alaska.

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Scientific Visualization

Scientific Visualization

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Based on the seminar that took place in Dagstuhl, Germany in June 2011, this contributed volume studies the four important topics within the scientific visualiz