RSS 1.0Artigos - Cartografia - FCT
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Weighted Iterative CD-Spline for Mitigating Occlusion Effects on Building Boundary Regularization Using Airborne LiDAR Data
Dos Santos, Renato César
; ; Galo, Mauricio (Sensors (Basel, Switzerland), 2022) [Artigo]
Building occlusions usually decreases the accuracy of boundary regularization. Thus, it is essential that modeling methods address this problem, aiming to minimize its effects. In this context, we propose a weighted iterative ... -
Comparative Evaluation of a Newly Developed Trunk-Based Tree Detection/Localization Strategy on Leaf-Off LiDAR Point Clouds with Varying Characteristics
; dos Santos, Renato César; ; ; ; ; (Remote Sensing, 2022) [Artigo]
LiDAR data acquired by various platforms provide unprecedented data for forest inventory and management. Among its applications, individual tree detection and segmentation are critical and prerequisite steps for deriving ... -
GBAS: Fundamentals and availability analysis according to σvig
Silva, Weverton Da Costa; Monico, João Francisco Galera (Journal of Geodetic Science, 2022) [Resenha]
Ground-based augmentation system (GBAS) was developed to guide aircraft precision approach and landing, aiming to replace the instrument landing system (ILS), which is currently used in most airports worldwide. GBAS based ... -
Mapping Areas Invaded by Pinus sp. from Geographic Object-Based Image Analysis (GEOBIA) Applied on RPAS (Drone) Color Images
; ; Imai, Nilton Nobuhiro (Remote Sensing, 2022) [Artigo]
Invasive alien species reduce biodiversity. In southern Brazil, the genus Pinus is considered invasive, and its dispersal by humans has resulted in this species reaching ecosystems that are more sensitive and less suitable ... -
K-MEANS CLUSTERING BASED ON OMNIVARIANCE ATTRIBUTE FOR BUILDING DETECTION FROM AIRBORNE LIDAR DATA
Dos Santos, R. C.; Galo, M. ; (ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2022) [Trabalho apresentado em evento]
Building detection is an important process in urban applications. In the last decades, 3D point clouds derived from airborne LiDAR have been widely explored. In this paper, we propose a building detection method based on ... -
Structure and tree diversity of an inland Atlantic Forest–A case study of Ponte Branca Forest Remnant, Brazil
Martins Neto, Rorai P.; Tommaselli, Antonio M.G. ; Imai, Nilton N. ; Berveglieri, Adilson ; Thomaz, Mariana B. ; Miyoshi, Gabriela T. ; Casagrande, Baltazar ; Guimarães, Raul B. ; ; et al. (Indonesian Journal of Geography, 2022) [Artigo]
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 performed at a protected federal reserve in Brazil located in western ... -
ROAD NETWORK EXTRACTION USING GPS TRAJECTORIES BASED ON MORPHOLOGICAL AND SKELETONIZATION ALGORITHMS
Dal Poz, A. P.; ; (International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences - ISPRS Archives, 2022) [Trabalho apresentado em evento]
In this article, a method for road network extraction is proposed, based on GPS (Global Positioning System) trajectories. Unlike existing methods, it is not necessary to resample the GPS trajectories into a raster structure; ... -
THE USE OF A WIDE FOV LASER SCANNING SYSTEM AND A SLAM ALGORITHM FOR MOBILE APPLICATIONS
Castanheiro, L. F.; Tommaselli, A. M.G. ; Machado, M. V. ; Santos, G. H. ; Norberto, I. S. ; (International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences - ISPRS Archives, 2022) [Trabalho apresentado em evento]
This paper presents the assessment of a wide-angle laser scanner and a simultaneous localisation and mapping (SLAM) algorithm to estimate the trajectory and generate a 3D map of the environment. A backpack platform composed ... -
RADIOMETRIC CALIBRATION PERFORMANCE OF A MULTISPECTRAL CAMERA WITH A SINGLE SENSOR AND MULTIPLE HEADS
Porto, L. R.; Imai, N. N. ; Tommaselli, A. M.G. ; (International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences - ISPRS Archives, 2022) [Trabalho apresentado em evento]
Radiometric calibration of remote sensing images can be performed with many existing techniques. The selected method depends on the sensor type, application and user's prior knowledge. The main objective of this study was ... -
Reconstruction and storage of a low-cost three-dimensional model for a cadastre of historical and artistic heritage
Purificação, Nathalia Rose Silva da; Henrique, Vinícius Barbosa ; Amorim, Amilton ; ; Souza, Guilherme Henrique Barros de (International Journal of Building Pathology and Adaptation, 2022) [Artigo]
Purpose: The purpose of the study is to compare methodologies for mapping a historic building, with image capture by smartphones and drones, using photogrammetric techniques for three-dimensional (3D) modeling of the ... -
Eucalyptus Plantation benefits to patch size and shape of forested areas in southeast atlantic forest
Sapucci, Gabriela Ribeiro; Negri, Rogério Galante ; Massi, Klécia Gili ; Alcântara, Enner Herenio de (2022) [Artigo]
The adoption of mixed plantation systems (exotic and native species) is viable and represents an important alternative in the context of forest and landscape restoration. This study evaluated whether Eucalyptus cultivation ... -
Uncertainty analysis of a spatiotemporal model for submerged vegetation colonization
Batista, Ligia Flávia Antunes; Imai, Nilton Nobuhiro ; Da Silva Rotta, Luiz Henrique ; Watanabe, Fernanda Sayuri Yoshino ; Velini, Edivaldo Domingues (Accuracy 2012 - Proceedings of the 10th International Symposium on Spatial Accuracy Assessment in Natural Resources and Environmental Sciences, 2012) [Trabalho apresentado em evento]
This work presents an uncertainty analysis applied to the results of an ecological model. This model describes the development of submerged macrophytes colonization in a brazilian reservoir, between Sao Paulo and Parana ... -
A measure of ionospheric irregularities: zonal velocity and its implications for L-band scintillation at low-latitudes
; ; ; ; ; ; Monico, Joao Francisco Galera; ; ; (Earth and Planetary Physics, 2021) [Artigo]
We estimate the zonal drift velocity of small-scale ionospheric irregularities at low latitude by leveraging the spaced-receivers technique applied to two GNSS receivers for scintillation monitoring installed along the ... -
Geometrical correction of CBERS-4/PAN images with generalized models using as reference national system of land management data
; Junior, José Marcato; Tommaselli, Antonio Maria Garcia (Anuario do Instituto de Geociencias, 2018) [Artigo]
The orbital images have been widely used in several applications in the Earth observation context, which require different levels of detail and positional accuracy. The China-Brazil Earth Resources Satellite Program (CBERS) ... -
Análise de séries temporais de coordenadas estimadas com GPS: Uma proposta metodológica para detecção, remoção e recuperação de efeitos sazonais
Rosa, Guilherme Poleszuk dos Santos; Monico, João Francisco Galera ; Chaves, João Carlos (Boletim de Ciencias Geodesicas, 2010) [Artigo]
GPS active networks are more and more used in geodetic surveying and scientific experiments, as water vapor monitoring in the atmosphere and lithosphere plate movement. Among the methods of GPS positioning, Precise Point ... -
Ajustamento de redes GPS em conformidade com as exigências da lei 10.267/2001
da Silva, Heloísa Alves; Monico, João Francisco Galera (Boletim de Ciencias Geodesicas, 2009) [Artigo]
In Brazil, there have been several GPS applications and with the introduction of the Law 10.267/2001 that among other dispositions, deals with georeferencing of the rural parcels. However, most commercial softwares of ... -
A influência das injunções de orientação relativa na calibração de um sistema dual de câmaras digitais
Bazan, Wimerson Sanches; Tommaselli, Antonio Maria Garcia ; Galo, Mauricio ; Ruy, Roberto da Silva (Boletim de Ciencias Geodesicas, 2009) [Artigo]
Image acquisition systems based on multi-head arrangement of digital frame cameras, such as the commercial systems DMC, UltraCam, besides others, are attractive alternatives enabling larger imaging area when compared to a ... -
Análise do modelo troposférico empregado na geração de uma estação de referência virtual utilizando o posicionamento por ponto preciso
Alves, Daniele Barroca Marra; Monico, João Francisco Galera ; Dalbelo, Luiz Fernando Antonio (Boletim de Ciencias Geodesicas, 2009) [Artigo]
In the past few years the interest is accomplishing a high accuracy positioning increasing. One of the methods that has been applied by the scientific community is the network based on positioning. By using multiple reference ... -
Extração automatica de segmentos lineares de rodovias em imagens de resoluções variadas
; dal Poz, Aluir Porfírio (Boletim de Ciencias Geodesicas, 2009) [Artigo]
In this paper a methodology for automatic extraction of road segments from images with different resolutions (low, middle and high resolution) is presented. It is based on a generalized concept of lines in digital images, ... -
Modelagem de distorções entre sad 69 e sirgas 2000 pelo método de shepard e grades regulares
Magna Júnior, João Paulo; Camargo, Paulo de Oliveira ; Galo, Maurício (Boletim de Ciencias Geodesicas, 2009) [Artigo]
Brazil follows the tendency of some countries to update and/or review their fundamental geodetic network. The adoption of geocentric referentials like SIRGAS 2000, the new official reference system of the Geodetic Brazilian ...