Geoinformatics & Geostatistics: An OverviewISSN: 2327-4581

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Opinion Article, Geoinfor Geostat An Overview Vol: 11 Issue: 1

Principles and Applications of Photogammetry

Gillian Jacquez*

Department of Zoology, Spatial Ecology and Epidemiology Group, University of Oxford, Oxford, United Kingdom

*Corresponding Author: Gillian Jacquez
Department of Zoology, Spatial Ecology and Epidemiology Group
University of Oxford, Oxford, United Kingdom

Received date: 22 January, 2023, Manuscript No. GIGS-23-95584;
Editor assigned date: 24 January, 2023, Pre QC. GIGS-23-95584(PQ);
Reviewed date: 15 February, 2023, QC No. GIGS-23-95584;
Revised date: 22 February, 2023, Manuscript No. GIGS-23-95584(R);
Published date: 28 February, 2023, DOI:10.4172/2327-4581.1000319.

Citation: Jacquez G (2023) Principles and Applications o Photogammetry . Geoinfor Geostat: An Overview 11:1.


Photogrammetry is the science and technology of creating 3D models of real-world objects, landscapes, and environments from 2D images captured using cameras. This technology has been used for a variety of applications, including surveying, mapping, virtual reality, gaming, movie making, archaeology, and more. The process of photogrammetry involves the use of software to analyze and combine multiple images of an object or area, and then reconstruct the object or area in 3D space, often with high levels of accuracy.

The basic principle behind photogrammetry is triangulation, which involves measuring the angles between different points in the images. By analyzing the angles and the distances between these points, software can calculate the relative positions of the points in 3D space. This allows the creation of a 3D model that accurately represents the shape, size, and position of the object or area being scanned.

To perform photogrammetry, a series of high-resolution images of the object or area of interest are taken from different angles and positions. These images are typically captured using digital cameras, drones, or other imaging devices. In order to obtain accurate results, it is important to capture as many images as possible from different angles and positions.

Once the images have been captured, they are processed using specialized photogrammetry software. The software analyzes the images, identifies common features and points of reference, and calculates the relative positions of these points in 3D space. The software then uses this information to design a 3D model of the object or area of interest.

One of the key benefits of photogrammetry is its ability to design highly accurate 3D models of real-world objects and environments. With modern photogrammetry software, it is possible to achieve accuracies of just a few millimeters, even when working with large areas or complex objects.

Photogrammetry can be used for a variety of applications. For example, it can be used in surveying and mapping to design detailed topographical maps and models of terrain. It can also be used in architecture and construction to design 3D models of buildings and structures, which can then be used for planning and design purposes.

In addition to these practical applications, photogrammetry is also used in entertainment and media. For example, photogrammetry can be used in movie making to design realistic digital doubles of actors or to capture realistic environments for use in virtual reality experiences. In gaming, photogrammetry can be used to design highly detailed 3D models of characters, objects, and environments, which can then be used in game development.


In conclusion, photogrammetry is a fascinating technology that enables the creation of highly accurate 3D models of real-world objects and environments. With the use of specialized software, photogrammetry can help us to capture and measure reality with incredible levels of accuracy and detail. From surveying and mapping to movie making and gaming, the applications of photogrammetry are vast and diverse. As technology continues to improve and evolve, it is likely that we will see even more exciting applications of photogrammetry in the years to come.

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