Results 1 to 10 of about 2,417,014 (219)

Tropical tropopause in Tibet: Insights from ground‐based global navigation satellite system and space‐based radio occultation observations

open access: yesMeteorological Applications, 2022
Changes in the tropopause can explain regional and global weather and climate. In Tibet, there are few radiosonde stations, and the detection height is not high enough.
Guangwei Jiang   +5 more
doaj   +1 more source

On-Board Ship Detection for Medium Resolution Optical Sensors

open access: yesSensors, 2021
In recent years there has been an increased interest in ocean surveillance. The activity includes control and monitoring of illegal fisheries, manmade ocean pollution and illegal sea traffic surveillance, etc. The key problem is how to identify ships and
Somnath Ghosh   +7 more
doaj   +1 more source

COLLABORATION AND OUTREACH TOWARDS USE OF GEOSPATIAL TECHNOLOGIES IN INDIA WITH AN EMPHASIS ON ISRO’S EFFORT [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2018
Geospatial technology is adopted in India through ‘Digital India’, for better governance and socio-economic benefits of common citizens. Remote sensing imageries and derived products are a direct input for geospatial data generation, monitoring resources
S. Ghosh, A. Sachan, G. Srinivas
doaj   +1 more source

Large-scale audio dataset for emergency vehicle sirens and road noises

open access: yesScientific Data, 2022
Measurement(s) Ambulance Siren and Road Noises. (Recordings) Technology Type(s) Microphone Sample Characteristic - Environment Roads Sample Characteristic - Location ...
Muhammad Asif   +5 more
doaj   +1 more source

Double-branch feature fusion transformer for hyperspectral image classification

open access: yesScientific Reports, 2023
Deep learning methods, particularly Convolutional Neural Network (CNN), have been widely used in hyperspectral image (HSI) classification. CNN can achieve outstanding performance in the field of HSI classification due to its advantages of fully ...
Lanxue Dang   +4 more
doaj   +1 more source

A Multi-Scale Object Detector Based on Coordinate and Global Information Aggregation for UAV Aerial Images

open access: yesRemote Sensing, 2023
Unmanned aerial vehicle (UAV) image object detection has great application value in the military and civilian fields. However, the objects in the captured images from UAVs have problems of large-scale variation, complex backgrounds, and a large ...
Liming Zhou   +6 more
doaj   +1 more source

AN AUTOMATED SOFTWARE FRAMEWORK FOR EVALUATION AND IMPROVEMENT OF ABSOLUTE GEOMETRIC LOCATION ACCURACY OF MULTISPECTRAL REMOTE SENSING SATELLITE IMAGERY [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2018
Geometric accuracy is an important parameter for quality assessment of a data product and is vital for certain applications aiming on improving and bringing precision in data products.
Y. Bhateja   +3 more
doaj   +1 more source

A Lightweight Object Detection Method in Aerial Images Based on Dense Feature Fusion Path Aggregation Network

open access: yesISPRS International Journal of Geo-Information, 2022
In recent years, significant progress has been obtained in object detection using Convolutional Neural Networks (CNNs). However, owing to the particularity of Remote Sensing Images (RSIs), common object detection methods are not well suited for RSIs ...
Liming Zhou   +5 more
doaj   +1 more source

MHLDet: A Multi-Scale and High-Precision Lightweight Object Detector Based on Large Receptive Field and Attention Mechanism for Remote Sensing Images

open access: yesRemote Sensing, 2023
Object detection in remote sensing images (RSIs) has become crucial in recent years. However, researchers often prioritize detecting small objects, neglecting medium- to large-sized ones.
Liming Zhou   +5 more
doaj   +1 more source

A SEMIAUTOMATIC APPROACH FOR GENERATION OF SITE MODELS FROM CARTOSAT-2 MULTIVIEW IMAGES [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2012
In the last decade there has been a paradigm shift in creating, viewing and utilizing geospatial data for planning, navigation and traffic management of urban areas. Realistic, three-dimensional information is preferred over conventional two dimensional
A. Mahapatra   +7 more
doaj   +1 more source

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