Photogrammetry is the science of obtaining reliable measurements from photographs. There are three main techniques: aerial, using vertically downward photos from planes or satellites; terrestrial, using horizontal photos on the ground; and industrial, adapting terrestrial techniques to small areas. Aerial photos are used for topographic mapping, cadastral plans, land use maps, and hydrographic charts. Stereo plotters allow precise 3D measurement and analysis from stereo photo pairs. Photogrammetry has many applications beyond traditional surveying, including traffic accident reconstruction, medical imaging, and analysis of surface movement.
Aerial surveying technology is utilized in a wide range of fields throughout the world. These range from the creation of maps, to terrain analysis and research (rivers, soil erosion, coasts, etc.), urban planning, road planning (roads, rails, etc.), and vegetation research (forests, agriculture, lakes and marshland, etc.).
Aerial surveying technology is utilized in a wide range of fields throughout the world. These range from the creation of maps, to terrain analysis and research (rivers, soil erosion, coasts, etc.), urban planning, road planning (roads, rails, etc.), and vegetation research (forests, agriculture, lakes and marshland, etc.).
This document help you to prepare Triangulation Network (TIN), Hillshade Map, Slope map, interpolation and Digital Elevation Model (DEM) in a area and how to interpret them.
This document help you to prepare Triangulation Network (TIN), Hillshade Map, Slope map, interpolation and Digital Elevation Model (DEM) in a area and how to interpret them.
Photogrammetry Surveying, its Benefits & DrawbacksNI BT
Learn the Photogrammetry Surveying and benefits-drawbacks of photogrammetry. Photogrammetry is the process of generating a 3D model from a set of 2D photographs. In Surveying, this is done by taking two or more images of the same point from different angles
This presentation about photogrammetry survey, this presentation gives a complete detail of photogrammetry survey. Photogrammetry survey is a powerful technique used in various industries to obtain accurate measurements and three-dimensional (3D) data from photographs. It involves the process of extracting precise geometric information from images using specialized software, providing a cost-effective and efficient method for capturing and analysing spatial data.
Epitome Geotechnical is a Geo survey Mapping company in India. Our services are Drone Survey and Aerial Photography Survey Services in India.
visit: www.epitomegs.com
In the vast realm of surveying techniques, Epitome provide drone aerial photography survey have emerged as a transformative technology, offering a unique perspective from the sky. This article delves into the evolution, applications, and future trends of drone aerial photography survey, unraveling the myriad advantages and challenges associated with this cutting-edge approach. Drone surveys have revolutionized the field of data collection, offering a nimble and efficient alternative to traditional survey methods. These unmanned aerial vehicles, equipped with advanced sensors and cameras, enable the rapid and cost-effective acquisition of high-resolution imagery and geospatial data.
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Note:- The information contained in the document may be incomplete i.e. it may not cover each topic in its entirety
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https://alandix.com/academic/papers/synergy2024-epistemic/
As machine learning integrates deeper into human-computer interactions, the concept of epistemic interaction emerges, aiming to refine these interactions to enhance system adaptability. This approach encourages minor, intentional adjustments in user behaviour to enrich the data available for system learning. This paper introduces epistemic interaction within the context of human-system communication, illustrating how deliberate interaction design can improve system understanding and adaptation. Through concrete examples, we demonstrate the potential of epistemic interaction to significantly advance human-computer interaction by leveraging intuitive human communication strategies to inform system design and functionality, offering a novel pathway for enriching user-system engagements.
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Deepak Rai, Automation Practice Lead, Boundaryless Group and UiPath MVP
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Length: 30 minutes
Session Overview
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During this webinar, we will cover the following topics while demonstrating the integrations of JMeter, InfluxDB and Grafana:
- What out-of-the-box solutions are available for real-time monitoring JMeter tests?
- What are the benefits of integrating InfluxDB and Grafana into the load testing stack?
- Which features are provided by Grafana?
- Demonstration of InfluxDB and Grafana using a practice web application
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https://www.rttsweb.com/jmeter-integration-webinar
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3. DEFINITION
• Photogrammetry is defined as the science of
obtaining reliable measurements, by the use
of photographs, in order to determine
characteristics such as size, shape and position
of photographed objects
24. SURVEY APPLICATIONS OF
PHOTOGRAMMETRY
a. Topographical Mapping
– The plotting of map detail and contours is normally
carried out using aerial photogrammetric methods
– These methods are used for both original survey and
revision, and replace classical ground methods
except where the task is so small that flying is
uneconomical
– The technique needs a certain amount of ground
surveyed control, but this requirement is being
continually reduced with the improvement of aerial
triangulation techniques to provide supplementary
control.
– A final Field check is necessary
25. SURVEY APPLICATIONS OF
PHOTOGRAMMETRY
b. Large Scale Plans
– Large scale surveys can be produced accurately and
quickly by air survey methods, but require more field
checking in addition to the provision of ground
control
– For large tasks, such as road building and major
constructions, air survey methods are quicker and
cheaper than ground methods
– Profiles for determination of earthwork quantities
and other data useful to Civil Engineer may be
simply obtained from the same photographs
26. SURVEY APPLICATIONS OF
PHOTOGRAMMETRY
c. Cadastral Plans
– Similar advantages may be gained by an air survey for
cadastral purpose as are provided in the production
of large scale plans.
– As the accuracy of the cadastral plan is related to the
value of land, the traditional ground method trends to
be slower, costly but very accurate
– In most cases, the accuracy of a well planned air
survey is sufficient for cadastral purposes, and this
method is used in many countries
– Where boundaries are related to described features,
or land is very valuable, the additional accuracy of
ground survey may be necessary
27. SURVEY APPLICATIONS OF
PHOTOGRAMMETRY
d. Land use maps
– Air survey techniques may be used not only to
define the extent of an area, but also to identify
its use and measure the yield of a crop
– Forestry is a typical application where, by plotting
the limits of timber and measuring tree heights,
an accurate estimate of yield may be given.
– The use of special films, such as color and infra-
red will provide additional information about the
quality of the crop
28. SURVEY APPLICATIONS OF
PHOTOGRAMMETRY
e. Hydrographic Maps and Charts
– Air survey techniques are particularly valuable in
the accurate plotting of coastlines, sandbanks and
small islands where the changing tide is a problem
for ground methods
– The use of special film will again add more
information, either by clearly delineating water
limits or by extra penetration in shallow water
29. SURVEY APPLICATIONS OF
PHOTOGRAMMETRY
f. Exploration and Reconnaissance
– Information may be gained about areas to which
access is restricted by employing air survey
techniques
– In the case of military reconnaissance, a high flying or
unmanned aircraft can obtain photograph that will
provide data for an accurate survey
– For explorers, and area can be mapped before the
first entry, either from photographs obtained by
aircraft as in the case of Moon or Mars, or by specially
equiped satellites
30. SURVEY APPLICATIONS OF
PHOTOGRAMMETRY
g. Terrestrial, Industrial and Scientific Uses
– Photogrammetry has provided rapid, accurate and
in some cases unique solutions to many non
topographical problems.
– The following are of particular interest
1.Detailed Survey of Historic Buildings
– Precise plans of building facades and architectural
detail may be obtained without direct
measurement by terrestrial photogrammetric
techniques
31. TERRESTRIAL, INDUSTRIAL AND
SCIENTIFIC USES
2. Traffic Accidents
– Terrestrial methods are also used to record details
of accidents in some countries
– This allows obstructions to be cleared without
delay, the scene being plotted at a later stage
3. Medical Applications
– Short range photogrammetry is in use by doctors
and dentists to define conditions requiring
treatment and also to study the results of
treatment
32. TERRESTRIAL, INDUSTRIAL AND
SCIENTIFIC USES
4. Analysis of movement
– Tidal and Particle movement may be analyzed by
photogrammetric methods by taking photographs
of the moving surface with a fixed camera
– The stereo model obtained shows vertical “relief”
proportional to the amount of movement
“contours” may be plotted