Results 31 to 40 of about 266,265 (255)
BEYOND GROUND CONTROL POINTS: COST-EFFECTIVE 3D BUILDING RECONSTRUCTION THROUGH GNSS-INTEGRATED PHOTOGRAMMETRY [PDF]
The process of 3D building modeling serves a multitude of practical and strategic purposes across diverse industries. Building a 3D model involves employing a range of techniques and technologies.
E. Oniga +5 more
doaj +1 more source
Ground Control Point Automatic Extraction for Spaceborne Georeferencing Based on FPGA [PDF]
Feature points that are obtained from the combined speeded-up robust feature (SURF) detector and binary robust independent elementary features (BRIEF) descriptor have a highly robust performance. These points are previously considered the ground control points (GCPs) for building a connection between the image coordinates and the corresponding geodetic
Dequan Liu +4 more
openaire +2 more sources
Weakly Supervised Deep Depth Prediction Leveraging Ground Control Points for Guidance
Despite the tremendous progress made in learning-based depth prediction, most methods rely heavily on large amounts of dense ground-truth depth data for training.
Liang Du +3 more
doaj +1 more source
INS-camera calibration without ground control points [PDF]
In this paper we present an approach for performing system calibration of a sensor suite consisting of a fixed mounted camera and an inertial navigation system without the usage of a photogrammetric calibration site. The aim of the presented work is to obtain accurate direct georeferencing of camera images collected with manned or unmanned aerial ...
Daniel Bender +3 more
openaire +1 more source
Precise Georeferencing of RGB and Multispectral Drone Images without Ground Control Points [PDF]
Drones equipped with multispectral cameras are increasingly used in environmental studies. These surveys often take place in challenging locations such as mudflats, where marking and surveying ground control points (GCPs) is difficult, making the use of ...
J. A. Gonçalves +4 more
doaj +1 more source
Geometrical accuracy of remote sensing data often is ensured by geometrical transforms based on Ground Control Points (GCPs). Manual selection of GCP is a time-consuming process, which requires some sort of automation. Therefore, the aim of this study is
Gulbe Linda, Korāts Gundars
doaj +1 more source
Accuracy of UAV-based DEMs without ground control points
AbstractUnmanned aerial vehicles (UAVs) are increasingly used in various environmental research projects and other activities that require accurate topography images. The quality of elevation models derived from UAV measurements varies depending on many variables (e.g. UAV equipment used, terrain conditions, etc.).
openaire +1 more source
Learning to Detect Ground Control Points for Improving the Accuracy of Stereo Matching [PDF]
While machine learning has been instrumental to the ongoing progress in most areas of computer vision, it has not been applied to the problem of stereo matching with similar frequency or success. We present a supervised learning approach for predicting the correctness of stereo matches based on a random forest and a set of features that capture various
Spyropoulos, Aristotle +2 more
openaire +2 more sources
UAV AND LIDAR IMAGE REGISTRATION: A SURF-BASED APPROACH FOR GROUND CONTROL POINTS SELECTION [PDF]
Multisource remote sensing image data provides synthesized information to support many applications including land cover mapping, urban planning, water resource management, and GIS modelling.
B. Kalantar +6 more
doaj +1 more source
ABSTRACT Introduction The use of herbal medical preparation (HMP) is rising among pediatric oncology patients, often to manage treatment‐related symptoms. Their effectiveness remains uncertain, and the risk of herb–drug interactions is underestimated.
Orianne Mahot +6 more
wiley +1 more source

