Osmar Abílio de Carvalho Júnior

university of brasilia

33H指数

332论文数

3.6K被引数

收录论文 25

发表时间

iSAGE: A Human-in-the-Loop Framework for Remote Sensing Semantic Segmentation via Sparse Point Supervision iSAGE：一种基于稀疏点监督的人机协同遥感语义分割框架

Remote Sensing

IF4.1

2026-09-03

OAAI

Osmar Luiz Ferreira de Carvalho; Osmar Abílio de Carvalho, Júnior; Anesmar Olino de Albuquerque; Daniel Guerreiro e Silva

Remote SAMsing: From segment anything to segment everything 远程SAM技术：从分割任何事物到分割所有事物

International Journal of Applied Earth Observation and Geoinformation

IF8.6

2026-08-22

OAAI

Osmar Luiz Ferreira de Carvalho; Osmar Abílio de Carvalho Júnior; Anesmar Olino de Albuquerque; Daniel Guerreiro e Silva

Assessing global and regional remote sensing products for burned area mapping: A comparative study in the Brazilian cerrado 评估全球和区域遥感产品在火烧区制图中的应用：巴西塞拉多地区的比较研究

Remote Sensing Applications-Society and Environment

IF4.5

2026-07-01

OAAI

Vera Laísa da Silva Arruda; Ane Alencar; Ana Carolina Moreira Pessôa; Filipe Viegas de Arruda; Bárbara Costa da Silva; Dhemerson Estevão Conciani; Júlia Z. Shimbo; Fernanda Figueiredo Ribeiro; Wallace Silva; Osmar Abílio de Carvalho Júnior

Predicting soil δ13C patterns in Brazil using nested datasets, feature selection, and machine learning 使用嵌套数据集、特征选择和机器学习预测巴西土壤δ¹³C模式

Ecological Informatics

IF7.3

2026-02-16

OAAI

Osmar Luiz Ferreira de Carvalho; Glauber das Neves; João Paulo Sena-Souza; Alexandre Tadeu Brunello; Vinicius Vasconcelos; Daniel Guerreiro e Silva; Maria Gabriella da Silva Araujo; Deoclecio Jardim Amorim; Luiz Antonio Martinelli; Gabriela Bielefeld Nardoto; Osmar Abílio de Carvalho

Exploiting Legal Reserve Compensation as a Mechanism for Unlawful Deforestation in the Brazilian Cerrado Biome, 2012-2022

SUSTAINABILITY

IF3.3

2024-11-02

OAAI

Carneiro, Bruno Machado; de Carvalho Junior, Osmar Abilio; Guimaraes, Renato Fontes; Evangelista, Balbino Antonio; de Carvalho, Osmar Luiz Ferreira

Assessing four decades of fire behavior dynamics in the Cerrado biome (1985 to 2022)

FIRE ECOLOGY

IF5

2024-07-31

OAAI

Arruda, Vera Laisa da Silva; Alencar, Ane Auxiliadora Costa; de Carvalho Junior, Osmar Abilio; Ribeiro, Fernanda de Figueiredo; de Arruda, Filipe Viegas; Conciani, Dhemerson Estevao; da Silva, Wallace Vieira; Shimbo, Julia Zanin

Detection of karst depression in Brazil comparing different semantic and instance segmentations and global digital elevation models

GEOMORPHOLOGY

IF3.3

2024-07-01

PREAI

de Castro, Heitor da Rocha Nunes; de Carvalho Junior, Osmar Abilio; de Carvalho, Osmar Luiz Ferreira; Gomes, Roberto Arnaldo Trancoso; Guimaraes, Renato Fontes

Comparing morphological investigation with χ index and gilbert metrics for analysis of drainage rearrangement and divide migration in inland plateaus

GEOMORPHOLOGY

IF3.3

2023-02-01

PREAI

Dal Pai, Maira Oneda; Salgado, Andre Augusto Rodrigues; de Sordi, Michael Vinicius; de Carvalho Junior, Osmar Abilio; de Paula, Eduardo Vedor

Multispectral panoptic segmentation: Exploring the beach setting with worldview-3 imagery

INTERNATIONAL JOURNAL OF APPLIED EARTH OBSERVATION AND GEOINFORMATION

IF8.6

2022-08-01

OAAI

de Carvalho, Osmar Luiz Ferreira; de Carvalho Junior, Osmar Abilio; de Albuquerque, Anesmar Olino; Santana, Nickolas Castro; Borges, Dibio Leandro; Luiz, Argelica Saiaka; Gomes, Roberto Arnaldo Trancoso; Guimaraes, Renato Fontes

Rethinking Panoptic Segmentation in Remote Sensing: A Hybrid Approach Using Semantic Segmentation and Non-Learning Methods

ieee geoscience and remote sensing magazine

IF4.4

2022-01-01

PREAI

de Carvalho, Osmar L. F.; de Carvalho Junior, Osmar A.; de Albuquerque, Anesmar O.; Santana, Nickolas C.; Borges, Dibio L.

Irrigated rice crop identification in Southern Brazil using convolutional neural networks and Sentinel-1 time series

REMOTE SENSING APPLICATIONS-SOCIETY AND ENVIRONMENT

IF4.5

2021-11-01

PREAI

de Bem, Pablo Pozzobon; de Carvalho Junior, Osmar Abilio; Ferreira de Carvalho, Osmar Luiz; Trancoso Gomes, Roberto Arnaldo; Guimaraes, Renato Fontes; McManus Pimentel, Concepta Margaret

Deep semantic segmentation for detecting eucalyptus planted forests in the Brazilian territory using sentinel-2 imagery

GEOCARTO INTERNATIONAL

IF3.5

2021-06-28

PREAI

da Costa, Luciana Borges; de Carvalho, Osmar Luiz Ferreira; de Albuquerque, Anesmar Olino; Gomes, Roberto Arnaldo Trancoso; Guimaraes, Renato Fontes; de Carvalho Junior, Osmar Abilio

Relationship between Land Property Security and Brazilian Amazon Deforestation in the Mato Grosso State during the Period 2013-2018

SUSTAINABILITY

IF3.3

2021-02-15

OAAI

Sasaki Okida, Daniella Tiemi; de Carvalho Junior, Osmar Abilio; Ferreira de Carvalho, Osmar Luiz; Trancoso Gomes, Roberto Arnaldo; Guimaraes, Renato Fontes

Wheat planted area detection from the MODIS NDVI time series classification using the nearest neighbour method calculated by the Euclidean distance and cosine similarity measures

GEOCARTO INTERNATIONAL

IF3.5

2019-05-03

PREAI

da Silva, Miriam Rodrigues; de Carvalho Junior, Osmar Abilio; Guimaraes, Renato Fontes; Trancoso Gomes, Roberto Arnaldo; Silva, Cristiano Rosa

The Spatiotemporal Dynamics of Soybean and Cattle Production in Brazil

SUSTAINABILITY

IF3.3

2019-04-11

OAAI

Albuquerque Maranhao, Rebecca Lima; de Carvalho Junior, Osmar Abilio; Hermuche, Potira Meirelles; Trancoso Gomes, Roberto Arnaldo; McManus Pimentel, Concepta Margaret; Guimaraes, Renato Fontes

Mapping units based on spatial uncertainty of magnetic susceptibility and clay content

CATENA

IF5.7

2018-05-01

OAAI

Teixeira, Daniel D. B.; Marques, Jose, Jr.; Siqueira, Diego S.; Vasconcelos, Vinicius; Carvalho, Osmar A., Jr.; Martins, Eder S.; Pereira, Gener T.

Sample planning for quantifying and mapping magnetic susceptibility, clay content, and base saturation using-auxiliary information

GEODERMA

IF6.6

2017-11-01

OAAI

Teixeira, Daniel D. B.; Marques, Jose, Jr.; Siqueira, Diego S.; Vasconcelos, Vinicius; Carvalho, Osmar A., Jr.; Martins, Eder S.; Pereira, Gener T.

Deforestation analysis in protected areas and scenario simulation for structural corridors in the agricultural frontier of Western Bahia, Brazil

LAND USE POLICY

IF5.9

2017-02-01

PREAI

de Oliveiraa, Sandro Nunes; de Carvalho Junior, Osmar Abilio; Trancoso Gomes, Roberto Arnaldo; Guimaraes, Renato Fontes; McManus, Concepta Margaret

Landscape-fragmentation change due to recent agricultural expansion in the Brazilian Savanna, Western Bahia, Brazil

REGIONAL ENVIRONMENTAL CHANGE

IF3.6

2016-07-23

PREAI

de Oliveira, Sandro Nunes; de Carvalho Junior, Osmar Abilio; Trancoso Gomes, Roberto Arnaldo; Guimaraes, Renato Fontes; McManus, Concepta Margaret

Detailed mapping unit design based on soil-landscape relation and spatial variability of magnetic susceptibility and soil color

CATENA

IF5.7

2015-12-01

OAAI

Siqueira, D. S.; Marques, J., Jr.; Pereira, G. T.; Teixeira, D. B.; Vasconcelos, V.; Carvalho Junior, O. A.; Martins, E. S.

研究方向