Search Results - "Imai, Nilton N."

Individual Tree Detection and Classification with UAV-Based Photogrammetric Point Clouds and Hyperspectral Imaging by Nevalainen, Olli, Honkavaara, Eija, Tuominen, Sakari, Viljanen, Niko, Hakala, Teemu, Yu, Xiaowei, Hyyppä, Juha, Saari, Heikki, Pölönen, Ilkka, Imai, Nilton, Tommaselli, Antonio

“…Small unmanned aerial vehicle (UAV) based remote sensing is a rapidly evolving technology. Novel sensors and methods are entering the market, offering…”
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Assessing Biodiversity in Boreal Forests with UAV-Based Photogrammetric Point Clouds and Hyperspectral Imaging by Saarinen, Ninni, Vastaranta, Mikko, Näsi, Roope, Rosnell, Tomi, Hakala, Teemu, Honkavaara, Eija, Wulder, Michael, Luoma, Ville, Tommaselli, Antonio, Imai, Nilton, Ribeiro, Eduardo, Guimarães, Raul, Holopainen, Markus, Hyyppä, Juha

“…Forests are the most diverse terrestrial ecosystems and their biological diversity includes trees, but also other plants, animals, and micro-organisms…”
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Forest cover change analysis based on temporal gradients of the vertical structure and density by Berveglieri, Adilson, Imai, Nilton N., M.G. Tommaselli, Antonio, Martins-Neto, Rorai P., Takahashi Miyoshi, Gabriela, Honkavaara, Eija

“…Canopy height is an important attribute that allows characterizing the forest vertical structure and analyze changes in vegetation cover over time. The…”
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Analyzing the feasibility of a space-borne sensor (SPOT-6) to estimate the height of submerged aquatic vegetation (SAV) in inland waters by Rotta, Luiz Henrique S., Mishra, Deepak R., Watanabe, Fernanda S.Y., Rodrigues, Thanan W.P, Alcântara, Enner H., Imai, Nilton N.

“…Remote sensing based approaches have been widely used over the years to monitor and manage submerged aquatic vegetation (SAV) or aquatic macrophytes mainly by…”
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Analyzing the status of submerged aquatic vegetation using novel optical parameters by Rotta, Luiz H. S., Mishra, Deepak R., Alcântara, Enner H., Imai, Nilton N.

“…The reservoirs constructed throughout Brazil for electrical power generation following its industrial and socioeconomic development now favour abundant aquatic…”
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Evaluation of YOLO Efficiency in Automatic Orange Detection in Multi-Exposure Images by Oviedo Espinosa, Maurycio R., Porto, Letícia R., Orlando, Vinicius S. W., Tommaselli, Antonio M. G., Dal Poz, Aluir P., Imai, Nilton N.

“…Brazil is the largest producer of oranges in the world and the automatic detection of fruits has been a challenging task in the context of remote sensing, due…”
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Structure and tree diversity of an inland Atlantic Forest–A case study of Ponte Branca Forest Remnant, Brazil by Martins-Neto, Rorai, Tommaselli, Antonio, Imai, Nilton, Berveglieri, Adilson, Thomaz, Mariana, Miyoshi, Gabriela, Casagrande, Baltazar, Guimarães, Raul, Ribeiro, Eduardo, Honkavaara, Eija, Campos, Mariana, De Oliveira, Raquel, David, Hassan

“…The Atlantic Forest is the most fragmented and threatened domain in Brazil. The main remnants are in the coastal regions. This paper describes a study…”
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Geometric calibration of a hyperspectral frame camera with simultaneous determination of sensors misalignment by Santos, Lucas D., Tommaselli, Antonio M.G., Berveglieri, Adilson, Imai, Nilton N., Oliveira, Raquel A., Honkavaara, Eija

“…The recent development of lightweight and relatively low-cost hyperspectral sensors has created new perspectives for remote sensing applications. This study…”
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Parametrization and calibration of a quasi-analytical algorithm for tropical eutrophic waters by Watanabe, Fernanda, Mishra, Deepak R., Astuti, Ike, Rodrigues, Thanan, Alcântara, Enner, Imai, Nilton N., Barbosa, Cláudio

“…Quasi-analytical algorithm (QAA) was designed to derive the inherent optical properties (IOPs) of water bodies from above-surface remote sensing reflectance…”
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Successional stages and their evolution in tropical forests using multi-temporal photogrammetric surface models and superpixels by Berveglieri, Adilson, Imai, Nilton N., Tommaselli, Antonio M.G., Casagrande, Baltazar, Honkavaara, Eija

“…Airborne photogrammetric image archives offer interesting possibilities for multi-temporal analyses of environmental evolution. The objective of this…”
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Analysis of trends and changes in the successional trajectories of tropical forest using the Landsat NDVI time series by Berveglieri, Adilson, Imai, Nilton N., Christovam, Luiz E., Galo, Maria L.B.T., Tommaselli, Antonio M.G., Honkavaara, Eija

“…The vegetative growth of forest canopies changes their spectral response, which can be detected by multispectral sensors and enhanced by utilizing the…”
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Inland water's trophic status classification based on machine learning and remote sensing data by Watanabe, Fernanda S.Y., Miyoshi, Gabriela T., Rodrigues, Thanan W.P., Bernardo, Nariane M.R., Rotta, Luiz H.S., Alcântara, Enner, Imai, Nilton N.

“…In this work, we tested machine learning algorithms in classifying waters in a reservoir cascade with basis in trophic state. The classification was done…”
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Atmospheric correction assessment of SPOT-6 image and its influence on models to estimate water column transparency in tropical reservoir by Rotta, Luiz H.S., Alcântara, Enner H., Watanabe, Fernanda S.Y., Rodrigues, Thanan W.P., Imai, Nilton N.

“…Remote sensing images have been increasingly used by its ability to collect data from extensive areas in a short time and with relatively low cost. Studies…”
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Cartographic Design of the Dynamic Map for a Road Navigation System by Nilton N. Imai, Júlio K. Hasegawa, Mônica M. S. Decanini, Edmur A. Pugliesi

“…This paper presents the results of a dynamic map design to be used in a Road Navigation System (RNS). The prototype developed displays in road vehicle…”
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