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Topic: Photogrammetry

	Intro to Photogrammetry
		Photogrammetry is the technique of measuring objects (2D or 3D) from photo-grammes.
		Aerial photogrammetry is mainly used to produce topographical or thematical maps and digital terrain models.
		Among the users of close-range photogrammetry are architects and civil engineers (to supervise buildings, document their current state, deformations or damages), archaeologists, surgeons (plastic surgery) or police departments (documentation of traffic accidents and crime scenes), just to mention a few.
	www.univie.ac.at /Luftbildarchiv/wgv/intro.htm (2427 words)

	Photogrammetry - Wikipedia, the free encyclopedia
		Photogrammetry is a measurement technology in which the three-dimensional coordinates of points on an object are determined by measurements made in two or more photographic images taken from different positions (see stereoscopy).
		Photogrammetry is used in different fields, such as topographic mapping, architecture, engineering, police investigation, and geology, as well as by archaeologists to quickly produce plans of large or complex sites.
		Photogrammetry is a collection of methods for several geodetic tasks.
	en.wikipedia.org /wiki/Photogrammetry (387 words)

	Innovation: Photogrammetry for Mobile Mapping - GPS Survey & Construction
		One of the oldest techniques still used for mapping is photogrammetry — the science, art, and technology of obtaining reliable measurements from images to determine the geometric properties of objects.
		And still, the principal application of photogrammetry is in mapping — determining the spatial position of the natural and human-made features on the Earth's surface.
		While photogrammetry is often used as a mapping tool on its own, GPS (perhaps with an integrated inertial navigation system, or INS) typically comes to the aid of the technique by supplying accurate coordinates for the cameras.
	www.gpsworld.com /gpsworld/article/articleDetail.jsp?id=408285 (710 words)

	GEO World - May 2002 - Technology Trends - Digital Photogrammetry: The Future of Spatial Data Collection (Site not responding. Last check: 2007-10-17)
		The fundamental goal of photogrammetry is to rigorously establish the geometric relationship between an object and an image and derive information about the object strictly from the image.
		In analog photogrammetry, optical and mechanical instruments (plotters) are used to establish geometric relationships.
		Photogrammetry has been used for a variety of applications, ranging from engineering design to natural resource and environmental inventory to hydrographic survey to archaeological mapping.
	www.geoplace.com /gw/2002/0205/0205dp.asp (1208 words)

	Photogrammetry
		Photogrammetry is the art science and technology of taking measurements off photographs.
		This has enabled the application of photogrammetry in biometrics, architecture, geology, archaeology, mechanical and civil engineering, nuclear physics, zoology and other scientific disciplines where remote measurement is an advantage.
		Photogrammetry is now seen as another measurement tool available to the measurement scientist not just a way of making maps.
	www.sli.unimelb.edu.au /Horizons/Documents/photo.html (1146 words)

	Basics of Photogrammetry
		Photogrammetry uses the basic principle of Triangulation, whereby intersecting lines in space are used to compute the location of a point in all three dimensions.
		In the case of photogrammetry, it is the two-dimensional (x, y) location of the target on the image that is measured to produce this line.
		Photogrammetry is widely used in the aerospace, antenna, shipbuilding, construction, and automotive industries for a wide variety of measurement tasks.
	www.geodetic.com /Whatis.htm (10038 words)

	FAQ - Photogrammetry
		Photogrammetry is a very old and trusted method of surveying.
		Photogrammetry is usually associated with aerial photography but with the advances in computer software capabilities it is now widely used as a replacement for traditional surveying.
		Photogrammetry is often the only economically viable method of producing 3 dimensional drawings in non industrial applications.
	www.dartmap.com /faq_-_photogrammetry.htm (1557 words)

	What is photogrammetry? (Site not responding. Last check: 2007-10-17)
		Photogrammetry is the art, science, and technology of obtaining reliable information about physical objects and the environment through the processes of recording, measuring, and interpreting photographic images and patterns of electromagnetic radiant energy and other phenomena.
		An older definition, from the Third Edition of the Manual of Photogrammetry, is somewhat simpler in statement and that definition of photogrammetry is, the science or art of obtaining reliable measurements by means of photographs.
		Photogrammetry can also be thought of as the sciences of geometry, mathematics and physics that use the image of a 3D scene on a 2D piece of paper to reconstract a reliable and accurate model of the original 3D scene.
	www.123photogrammetry.com /photogrammetry.html (269 words)

	GE Infrastructure - Photogrammetry
		Photogrammetry is the science of making scale-accurate maps from aerial images that are captured using a precision-mapping camera.
		There are a variety of uses for photogrammetry.
		Orthophotography is an important product of photogrammetry that is typically used as the base map foundation for GIS.
	www.gepower.com /prod_serv/products/geospatial_solutions/en/photogrammetry.htm (322 words)

	Photogrammetry
		Photogrammetry is the art and science of deducing the physical dimensions of objects from measurements on photographs.
		The purpose of control surveys for aerial photography and photogrammetry are to determine the exact position of the aerial camera at the instant of exposure and to establish known reference points for parcel mapping.
		Photogrammetry is able to use detailed digital elevation models (DEM), Digital terrain models (DTM), surveyed ground control locations, and analytical aerial- triangulation, together with recorded camera calibration and orientation parameters to nearly eliminate distortion and create an orthophotograph.
	www.blm.gov /nils/refdocs/new-jersey-draft.html (19196 words)

	GeoWorld - May 2000 - Digital Photogrammetry Unleash the Power of 3-D GIS (Site not responding. Last check: 2007-10-17)
		The accuracy of photogrammetry is well known, but the cost and learning curve associated with it have created a chasm between photogrammetric techniques and the standard GIS data collection, production and maintenance processes.
		This combination of geographic imaging techniques, fueled by the precision and accuracy of photogrammetry, are the ideal tools for building the 3-D GIS of the future.
		Although traditional photogrammetry applications use aerial photography (commonly nine by nine inches in size), new photogrammetry tools easily handle any type of imagery, including satellite, digital camera, and videography and 35-millimeter camera photography.
	www.geoplace.com /gw/2000/0500/0500dg.asp (2439 words)

	Welcome to the MaineDOT (Site not responding. Last check: 2007-10-17)
		In the fall of 1997, the Photogrammetry and Control Unit of the Survey Section requested authorization to research the use of Airborne GPS controlled Photogrammetry for engineering and design purposes.
		The cost savings of the Airborne GPS controlled photogrammetry is mostly in the targeting stage of the projects, as would be expected.
		Photogrammetry is defined by the American Society of Photogrammetry and Remote Sensing as the art, science, and technology of obtaining reliable information about physical objects and the environment through processes of recording, measuring, and interpreting photographic images and patterns of recorded radiant electromagnetic energy and other phenomena.
	www.maine.gov /mdot/survey-data/airborne-gps.php (3666 words)

	Digital photogrammetry 3d photo imaging (Site not responding. Last check: 2007-10-17)
		Sirovision ® is a significant new high precision 3d photogrammetry and 3d digital imaging technology for mapping of rock and terrain surfaces for geology and surveying.
		The collection and analysis of photogrammetry 3d and digital imaging 3d data is also far more cost effective than traditional 'manual' methods of data collection.
		Sirovision is a significant new high precision 3d photogrammetry system developed for the mining and civil engineering industries.
	www.surpac.com /products/photogrammetry/photogrammetry.shtml (1032 words)

	Photogrammetry at the Department of Mapping Sciences - NLH
		Photogrammetry is the measurement technique which is applying photographic or digital images for measuring and mapping properties like shape, size, position and identity for the imaged objects.
		All the photogrammetry courses are given in Norwegian.
		The photogrammetry laboratory, S366 (FØNIX), is situated on the third floor in the Sørhellinga building at NLH.
	www.nlh.no /ikf/fotog/ph.html (313 words)

	Photogrammetry at The Narrows
		That, of course, was fine with me, and a privilege, but I felt a short background on this paper and a mention of the current state of photogrammetry as it relates to cultural resources would be helpful to the reader.
		Photogrammetry is basically defined as: "...[T]he art, science, and technology of obtaining reliable information about physical objects and the environment through processes of recording, measuring and interpreting photographic images and patterns of recorded radiant electromagnetic energy and other phenomena" (Wolf 1983: 1).
		Photogrammetry is based largely on the geometric relationship between the position of points on the film plane(s) and the position of those same points in the real world.
	rockart.uark.edu /narrowsphotogramm.html (4020 words)

	ilexsoft - HighDesign - Photogrammetry
		Planar photogrammetry is also widely used in archaeology, GIS and land mapping from aerial photographs.
		As a consequence of its ease of use, using the photogrammetry tool of HighDesign is a quick process: select and rebuild the geometric shape of the object, enter two values as vertical and horizontal dimensions, and draw directly over the image.
		When photogrammetry mode is active any object you draw is projected in real time.
	www.ilexsoft.com /highdesign/photogrammetry.html (390 words)

	Digital Photogrammetry
		Photogrammetry is defined as the science or art of obtaining reliable measurements by means of photography (Thompson, 1966).
		One of the most common uses of photogrammetry is the analysis of aerial photography to extract ground elevations for the production of topographic maps.
		Stereoscopic parallax is a very important concept in photogrammetry because it allows for the measurement of height of objects appearing a stereopair.
	www.ce.utexas.edu /prof/maidment/grad/tate/study/remote/TermProj.html (3345 words)

	Photogrammetry & Archaeology
		Its main purpose is giving assistance to architecture and archaeology by contributions of photogrammetry.
		Only with the knowledge of the possibilities and limits of photogrammetry, the archaeologist is able to formulate his demands exactly, which have then a realistic chance to get solved by photogrammetrists to the satisfaction of both sides.
		The main demand, archaeologists pose to photogrammetry, is not always extreme metric accuracy, but more often an acceleration of the working process (while maintaining the demanded tolerances) thus saving expenses.
	www.univie.ac.at /Luftbildarchiv/wgv/phoarc.htm (483 words)

	Aug 30 - Geodetic Launches V-STARS/E4X Photogrammetry System (Site not responding. Last check: 2007-10-17)
		V-STARS photogrammetry is utilized by diverse industries including aerospace, power generation, automotive, shipbuilding, antenna manufacturing, and more.
		In a typical photogrammetry session, the D2X digital camera can be setup and ready to shoot in just seconds.
		Photogrammetry is a three-dimensional coordinate measuring technique that uses photographs as the fundamental medium for metrology.
	www.tenlinks.com /NEWS/PR/gsi/083005_vstarse4x.htm (692 words)

	Research PF- Students works
		The aim of this project is to develop a user-friendly windows-based educational software system for explanation and demonstration of the procedure of digital monoplotting.
		Monoplotting is a procedure of single image photogrammetry for obtaining real-time 3D coordinates from the measurements in image space.
		The required datasets are a DTM and an aerial image with its orientation parameters or a georeferenced orthoimage respectively.
	www.photogrammetry.ethz.ch /research/student/monoplotting.html (334 words)

	Division of Photogrammetry, KTH: Introduction (Site not responding. Last check: 2007-10-17)
		Photogrammetry and Remote Sensing, being more and more linked together, is the science, technology and art of obtaining reliable geometric and thematic information on the Earth and its physical environment, and on other physical objects and processes by acquisition, measurement, analysis and interpretation of images from non-touching sensor systems.
		Currently an international comparative test of block triangulation with GPS observations is conducted by the Division of Photogrammetry to show the state-of-the-art and the practical applicability.
		Chaired by Prof Dr Kennert Torlegård, the Division of Photogrammetry is one of the three divisions within the Department of Geodesy and Photogrammetry at KTH.
	www.geomatics.kth.se /fotogram/introduction.html (285 words)

	Department Of Geodesy And Photogrammetry (Site not responding. Last check: 2007-10-17)
		The Department which was established in 1995 aims to train geodesy and photogrammetry (surveying and mapping) engineers with full command of current technology for production of maps of all scales and able to execute planning and applications of all kinds of engineering projects both national and international.
		The Department is relatively young and due to the lack of suitable buildings the undergraduate and graduate programmes have not been launched yet.
		More than 2000 of geodesy and photogrammetry engineers are employed in state organisations such as municipalities, General Directorates of Cadastre and Land Registration, Highways, Railway, Water Sources, Bank of Provinces, Rural Works, Harbour and Airports, Agricultural Reform, Mining, Land Office, Etibank, Ministries of Public Works, Agriculture and Rural Works, Industry, and General Command of Mapping.
	www.hun.edu.tr /english/prospectus/faculties/engineering/geodesy.html (200 words)

	Close Range Photogrammetry and Machine Vision (Site not responding. Last check: 2007-10-17)
		Over the past decade, advances in this field have been rapid and we are now well into the era of digital photogrammetry.
		Advances in the theory are presented, as are a range of important applications of photogrammetry which illustrate the flexibility and comprehensive nature of these techniques of three dimensional measurement.
		Academics, professionals and students in photogrammetry, surveying, civil engineering, and any discipline where the techniques can be applied such as architecture, archaeology, medical imaging.
	www.whittlespublishing.com /engineer/closerng.html (155 words)

	Digital photogrammetry
		The touch sensitive 2-D profiling system employed on the FCF was used to measure cross sectional profiles at various critical locations along the flume.
		The accuracy of elevations determined by digital photogrammetry could therefore be assessed, by extracting the same cross sectional profiles through the DEM and comparing them with those directly measured.
		It should be remembered also that this higher density is achieved across the whole flume in three dimensions and is not restricted to just the arbitrary plane selected for comparative purposes and accuracy assessment.
	www-staff.lboro.ac.uk /~cvjhc/HRWallRep.html (1131 words)

	RSPSoc - Remote Sensing & Photogrammetry Society
		RSPSoc is the UK’s leading Society for remote sensing and photogrammetry and their application to education, science, research, industry, commerce and the public service.
		As a charity, its remit is to inform and educate its members and the public.
		Designed to educate, stimulate and communicate, the RSPSoc website is for all those who want to appreciate what remote sensing and photogrammetry are, learn how they are used in a wide range of applications, read about the latest innovative research that underpins these applications and play their part in influencing government policy.
	www.rspsoc.org (339 words)

	Home (Site not responding. Last check: 2007-10-17)
		Division of Photogrammetry at the Civil Engineering Faculty was established in 1971 with the establishment of the Department of Geodesy and Photogrammetry.
		At that time the name was “Chair of Photogrammetry and Adjustment Calculation”.
		Now the Division of Photogrammetry works with a very skilled team in many international projects and holds the Headquarters’ of the International Society of Photogrammetry and Remote Sensing (ISPRS).
	www.ins.itu.edu.tr /foto (106 words)

	2. Panoramic Photogrammetry Workshop
		Institute of Photogrammetry and Remote Sensing, TU Dresden (Hans-Gerd Maas, Danilo Schneider)
		Panoramic cameras have found growing interest in photogrammetry in the past few years.
		After the successful first workshop in Dresden February 2004 this workshop aimed at bringing together system manufacturers, algorithm and software developers, data providers and users of panoramic devices in photogrammetry to report on recent developments in sensor and system design, mathematical modelling as well as data acquisition, processing and visualization schemes.
	www.informatik.hu-berlin.de /sv/pr/PanoramicPhotogrammetryWorkshop2005 (249 words)

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