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Remote Sensing, Volume 9, Issue 2

February 2017 - 86 articles

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Cover Story: An algorithm, based on RGB imagery, acquired with a UAV is proposed to characterize the 3D macro-structure of vineyards. We apply a photogrammetric technique on the overlapping RGB images to derive the canopy height model. By applying a threshold, we separate the rows from the inter-rows to estimate the row orientation, height, width and spacing, the cover fraction and the percentage of missing segments along the rows. Comparison with ground measurements provides a root mean square error of 9.8 cm for row height, 8.7 cm for row width, and 7 cm for row spacing. Conversely to height and spacing, the ability of the algorithm to accurately estimate row width, cover fraction and percentage of missing row segments, depends on the success of the photogrammetric technique. It is therefore mandatory to combine optimal flight configuration and camera settings to get good quality images with a high overlapping percentage. View the paper.

Articles (86)

  • Article
  • Open Access
30 Citations
7,231 Views
18 Pages

22 February 2017

Aerosol scattering is an important source of error in CO2 retrievals from satellite. This paper presents an analysis of aerosol information content from the Cloud and Aerosol Polarimetric Imager (CAPI) onboard the Chinese Carbon Dioxide Observation S...

  • Article
  • Open Access
207 Citations
13,238 Views
15 Pages

22 February 2017

The use of Unmanned Aerial Vehicles (UAV) for photogrammetric surveying has recently gained enormous popularity. Images taken from UAVs are used for generating Digital Surface Models (DSMs) and orthorectified images. In the glaciological context, the...

  • Article
  • Open Access
17 Citations
5,963 Views
16 Pages

21 February 2017

In many remote sensing projects on land cover mapping, the interest is often in a sub-set of classes presented in the study area. Conventional multi-class classification may lead to a considerable training effort and to the underestimation of the cla...

  • Article
  • Open Access
12 Citations
6,409 Views
22 Pages

An Empirical Ocean Colour Algorithm for Estimating the Contribution of Coloured Dissolved Organic Matter in North-Central Western Adriatic Sea

  • Alessandra Campanelli,
  • Simone Pascucci,
  • Mattia Betti,
  • Federica Grilli,
  • Mauro Marini,
  • Stefano Pignatti and
  • Stefano Guicciardi

21 February 2017

The performance of empirical band ratio models were evaluated for the estimation of Coloured Dissolved Organic Matter (CDOM) using MODIS ocean colour sensor images and data collected on the North-Central Western Adriatic Sea (Mediterranean Sea). Rela...

  • Article
  • Open Access
17 Citations
7,274 Views
13 Pages

Coupling Fine-Scale Root and Canopy Structure Using Ground-Based Remote Sensing

  • Brady S. Hardiman,
  • Christopher M. Gough,
  • John R. Butnor,
  • Gil Bohrer,
  • Matteo Detto and
  • Peter S. Curtis

21 February 2017

Ecosystem physical structure, defined by the quantity and spatial distribution of biomass, influences a range of ecosystem functions. Remote sensing tools permit the non-destructive characterization of canopy and root features, potentially providing...

  • Article
  • Open Access
24 Citations
9,921 Views
25 Pages

A Radiometric Uncertainty Tool for the Sentinel 2 Mission

  • Javier Gorroño,
  • Norman Fomferra,
  • Marco Peters,
  • Ferran Gascon,
  • Craig I. Underwood,
  • Nigel P. Fox,
  • Grit Kirches and
  • Carsten Brockmann

21 February 2017

In the framework of the European Copernicus programme, the European Space Agency (ESA) has launched the Sentinel-2 (S2) Earth Observation (EO) mission which provides optical high spatial resolution imagery over land and coastal areas. As part of this...

  • Article
  • Open Access
18 Citations
7,157 Views
17 Pages

21 February 2017

The spatial distribution of disturbances in Andean tropical forests and protected areas has commonly been calculated using bi or tri-temporal analysis because of persistent cloud cover and complex topography. Long-term trends of vegetative decline (b...

  • Article
  • Open Access
7 Citations
6,871 Views
18 Pages

20 February 2017

Definite surface topography of ice provides fundamental information for most glaciologists to study climate change. However, the topography at the marginal region of ice sheets exhibits noticeable dynamical changes from fast flow velocity and large t...

  • Article
  • Open Access
96 Citations
11,905 Views
18 Pages

20 February 2017

Timely and accurate extraction of urban land area using the Suomi National Polar-orbiting Partnership Visible Infrared Imaging Radiometer Suite (VIIRS) nighttime light data is important for urban studies. However, a comprehensive assessment of the ex...

  • Article
  • Open Access
90 Citations
13,197 Views
19 Pages

Comparison of Two Simulation Methods of the Temperature Vegetation Dryness Index (TVDI) for Drought Monitoring in Semi-Arid Regions of China

  • Lingtong Du,
  • Naiping Song,
  • Ke Liu,
  • Jing Hou,
  • Yue Hu,
  • Yuguo Zhu,
  • Xinyun Wang,
  • Lei Wang and
  • Yige Guo

20 February 2017

The Temperature Vegetation Dryness Index (TVDI), a drought monitoring index based on an empirical parameterization of the Land Surface Temperature (LST)–Normalized Difference Vegetation Index (NDVI) space, has been widely implemented in a variety of...

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