Results 201 to 210 of about 2,623 (238)

Beyond the surface: diagnosing the origins of institutional barriers in the governance of floating offshore wind. [PDF]

Marit Stud
West L, Kelly C, Flannery W.
europepmc   +1 more source

Roadmap of computer-guided bi-axial alveolar distraction osteogenesis in the posterior mandible: neurosensory safety of double scan virtual protocol. [PDF]

BMC Oral Health
Alryess AM, Melek LN, El-Mahallawy Y.
europepmc   +1 more source

Injecting Domain Knowledge Into Deep Neural Networks for Tree Crown Delineation

IEEE Transactions on Geoscience and Remote Sensing, 2022
<p>Automated individual tree crown (ITC) delineation plays an important role in forest remote sensing. Accurate ITC delineation benefits biomass estimation, allometry estimation, and species classification among other forest related tasks, all of which are used to monitor forest health and make important decisions in forest management.
Aditya Singh, Ethan P. White, Ben G. Weinstein   +2 more
exaly   +2 more sources

An improved tree crown delineation method based on live crown ratios from airborne LiDAR data

GIScience and Remote Sensing, 2016
Individual tree crowns are one of the basic forest inventory data, which can be used in various forest-related studies such as biomass and carbon stock estimation. High-resolution remote-sensing data including airborne LiDAR-derived surfaces have been widely used for delineating tree crowns.
Fang Fang, Jungho Im, Junghee Lee
exaly   +3 more sources

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Tree Crown Detection and Delineation Using Optical Satellite Imagery

IGARSS 2018 - 2018 IEEE International Geoscience and Remote Sensing Symposium, 2018
Automated individual tree crown detection and delineation (ITCD) is essential for forest mapping, sustainable urban planning and 3D city model. In this paper, ITCD using high-resolution optical W orldview-2 satellite imagery over Singapore is presented. The object-based multiresolution approach for tree mapping including tree positions, crown sizes and
Xiaojing Huang 0001, Chenghua Shi, Soo Chin Liew   +2 more
openaire   +2 more sources

Development of accuracy assessment tool of individual tree crown delineation

2016 IEEE International Geoscience and Remote Sensing Symposium (IGARSS), 2016
Individual tree crown delineation (ITCD), which includes treetop detection and/or tree crown delineation, plays a significant role in modern forest resources management and precise forestry. Recent years, amount of ITCD algorithms have been proposed based on passive and active remotely sensed data.
Zhen Zhen, Yinghui Zhao, Yuanshuo Hao, Qingbin Wei   +3 more
openaire   +1 more source

A fast and reliable method for the delineation of tree crown outlines for the computation of crown openness values and other crown parameters

Canadian Journal of Forest Research, 2011
Numerous crown parameters (e.g., leaf area index, diameter, height, volume) can be obtained via the analysis of tree crown photographs. In all cases, parameter values are functions of the position of the crown outline. However, no standardized method to delineate crowns exists.
Boivin, Frédéric, Paquette, Alain, Racine, Pierre, Messier, Christian   +3 more
openaire   +2 more sources

Tree Crown Detection and Delineation Using Digital Image Processing

2019
In this studies, we conduct research on identification of tree species prior to logging is one of the important new initiative to support the management of tropical forests. The use of drone and the improved technique of image processing will increase the potential of identifying tree species, particularly the commercial species, so that the value of ...
Zhafri Hariz Roslan, Ji Hong Kim, Roslan Ismail, Robiah Hamzah   +3 more
openaire   +2 more sources

Automatic tree crown delineation in tropical forest using hyperspectral data

2014 IEEE Geoscience and Remote Sensing Symposium, 2014
This paper aims to use unique features of hyperspectral data on an automatic process for outlining individual tree crowns (ITCs) in a tropical forest area, with special focus on semi-deciduous species. In order to enhance biophysical and biochemical properties of canopy species, a set of vegetation indices were computed.
Matheus Pinheiro Ferreira, Daniel C. Zanotta, Maciel Zortea, Thales Sehn Körting, Leila Maria Garcia Fonseca, Yosio Edemir Shimabukuro, Carlos Roberto de Souza Filho   +6 more
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