Study The Effect of The Distance Changes Between The Camera and The Object on The Accuracy of Images Orientation in Automated Photogrammetry
Keywords:
Automated photogrammetry, Point cloud, Image orientation, Shooting distance.Abstract
In this research, the accuracy of images orientation resulted from Structure-from-Motion (SfM) method was evaluated to determine whether the distance had an important effect on this accuracy and to know the pattern of this accuracy if there was any effect of the distance.Because of the limited breadth of the experiment, a rotating disk was designed and used to simulate the state in which the camera moves around the object. Multiple images were taken from different distances and the corresponding point cloud was generated for each distance using Agisoft Metashape. Availability of this number of point clouds allowed to perform the accuracy evaluation process.Images were taken from all distances using the same calibration camera and with the same lighting conditions as well as the same control points in terms of number and distribution in order to isolate the effect of another factor on the accuracy of the point clouds resulting from these images and to keep the effect of distance change only
Downloads
Published
How to Cite
Issue
Section
License
Copyright (c) 2020 �ttps://creativecommons.org/licenses/by-nc-sa/4.0/
This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.
The authors retain the copyright and grant the right to publish in the magazine for the first time with the transfer of the commercial right to Tishreen University Journal for Research and Scientific Studies - Engineering Sciences Series
Under a CC BY- NC-SA 04 license that allows others to share the work with of the work's authorship and initial publication in this journal. Authors can use a copy of their articles in their scientific activity, and on their scientific websites, provided that the place of publication is indicted in Tishreen University Journal for Research and Scientific Studies - Engineering Sciences Series . The Readers have the right to send, print and subscribe to the initial version of the article, and the title of Tishreen University Journal for Research and Scientific Studies - Engineering Sciences Series Publisher
journal uses a CC BY-NC-SA license which mean
You are free to:
- Share — copy and redistribute the material in any medium or format
- Adapt — remix, transform, and build upon the material
- The licensor cannot revoke these freedoms as long as you follow the license terms.
- Attribution — You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
- NonCommercial — You may not use the material for commercial purposes.
- ShareAlike — If you remix, transform, or build upon the material, you must distribute your contributions under the same license as the original.
- No additional restrictions — You may not apply legal terms or technological measures that legally restrict others from doing anything the license permits.