Photography Geocoding - Revision history

Filipe.Pelica: link fix

2014-05-16T17:08:04Z

link fix

← Older revision		Revision as of 17:08, 16 May 2014
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	The popularity of applications, such as Google Earth and Google Maps, and the possibility of posting georeferenced pictures lead to the need of geocoding photos. A geocoded photo has the location of the photographer embedded in the files. This information includes at least latitude and longitude but might include also altitude and the bearing of the camera<ref name="Geo_photo">[[Wikipedia:Geotagged photograph\|Geotagged photograph in Wikipedia]]</ref>.		The popularity of applications, such as Google Earth and Google Maps, and the possibility of posting georeferenced pictures lead to the need of geocoding photos. A geocoded photo has the location of the photographer embedded in the files. This information includes at least latitude and longitude but might include also altitude and the bearing of the camera<ref name="Geo_photo">[[Wikipedia:Geotagged photograph\|Geotagged photograph in Wikipedia]]</ref>.

	The most practical way of geocoding photos is by doing it automatically on the camera if the camera has an embedded GNSS receiver or can be connected to an add-on GNSS receiver. GNSS-enabled [[Wikipedia:Mobile phone\|mobile phones]] usually geotag photos automatically<ref name="Geo_Safety">[~~http~~://~~www~~.nv.~~ngb.army.mil~~/~~Army%20Geotagging%20Safety~~.pdf Geotags and Location-Based Social Networking], US Army</ref>.		The most practical way of geocoding photos is by doing it automatically on the camera if the camera has an embedded GNSS receiver or can be connected to an add-on GNSS receiver. GNSS-enabled [[Wikipedia:Mobile phone\|mobile phones]] usually geotag photos automatically<ref name="Geo_Safety">[https://dmna.ny.gov/members/geotagging.pdf Geotags and Location-Based Social Networking], US Army</ref>.

Filipe.Pelica: update on application examples

2014-05-16T17:03:16Z

update on application examples

← Older revision		Revision as of 17:03, 16 May 2014
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	== Application Examples ==		== Application Examples ==

	Despite the low price of GNSS chipsets only a few cameras have built-in GNSS capabilities, such as <ref name="~~dpreview~~">[http://~~www.dpreview~~.com/ ~~dpreview~~.com]</ref><ref group="footnotes">This list is not exhaustive and was compiled in ~~April 2011~~</ref>:		Despite the low price of GNSS chipsets only a few cameras have built-in GNSS capabilities, such as <ref name="snapsort">[http://snapsort.com/ snapsort.com]</ref><ref group="footnotes">This list is not exhaustive and was compiled in May 2014</ref>:
	* Sony SLT-A55		* Sony Cyber-shot DSC-HX400V
	* Sony Cyber-shot DSC-~~HX5~~		* Samsung Galaxy Camera 2
	* Panasonic Lumix ~~DMC-ZS7 (Lumix DMC-TZ10)~~		* Nikon Coolpix S9700
	* ~~Fujifilm FinePix XP30~~		* Panasonic Lumix ZS40
	* Pentax Optio WG-~~1 GPS~~		* Olympus Stylus Tough TG-3
	* Canon ~~SX230 HS~~		* Canon PowerShot D30
	* ~~Samsung SH100~~		* Pentax WG-4
	* Casio Exilim EX-H20G
	* Leica V-~~LUX 20~~


	Some other cameras support GNSS positioning as an option such as<ref name="~~dpreview~~"/><ref group="footnotes">This list is not exhaustive and was compiled in ~~April 2011~~</ref>:		Some other cameras support GNSS positioning as an option such as<ref name="snapsort"/><ref group="footnotes">This list is not exhaustive and was compiled in May 2014</ref>:
	* ~~Recent Nikon DSLRs~~		* Pentax Optio WG-3 GPS
	* Samsung NX11
	* Samsung NX100


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	* [http://moblog.net/home/ moblog]: Mobile photo blog that supports geocoding.		* [http://moblog.net/home/ moblog]: Mobile photo blog that supports geocoding.
	* [http://www.google.com/earth/ Google Earth] and [http://www.google.com/maps/ Google Maps]: Geocoded photos can be accessed as a layer in Google Earth and Google Maps.		* [http://www.google.com/earth/ Google Earth] and [http://www.google.com/maps/ Google Maps]: Geocoded photos can be accessed as a layer in Google Earth and Google Maps.


	== Notes ==		== Notes ==

Filipe.Pelica: Undo revision 12528 by Filipe.Pelica (talk)

2014-01-10T16:22:43Z

Undo revision 12528 by Filipe.Pelica (talk)

← Older revision		Revision as of 16:22, 10 January 2014
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	\|Level=Basic		\|Level=Basic
	\|YearOfPublication=2011		\|YearOfPublication=2011
			\|Logo=GMV
	}}		}}

Filipe.Pelica: footnotes harmonizing

2014-01-10T16:22:03Z

footnotes harmonizing

← Older revision		Revision as of 16:22, 10 January 2014
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	\|Level=Basic		\|Level=Basic
	\|YearOfPublication=2011		\|YearOfPublication=2011
	~~\|Logo=GMV~~
	}}		}}

Filipe.Pelica: footnotes harmonizing

2014-01-10T16:20:28Z

footnotes harmonizing

← Older revision		Revision as of 16:20, 10 January 2014
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	{{Article Infobox2		{{Article Infobox2
	\|Category=Applications		\|Category=Applications
	~~\|Title={{PAGENAME}}~~
	\|Authors=Rui Barradas Pereira.		\|Authors=Rui Barradas Pereira.
	\|Level=Basic		\|Level=Basic
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	== Application Examples ==		== Application Examples ==

	Despite the low price of GNSS chipsets only a few cameras have built-in GNSS capabilities, such as <ref name="dpreview">[http://www.dpreview.com/ dpreview.com]</ref><ref group="nb">This list is not exhaustive and was compiled in April 2011</ref>:		Despite the low price of GNSS chipsets only a few cameras have built-in GNSS capabilities, such as <ref name="dpreview">[http://www.dpreview.com/ dpreview.com]</ref><ref group="footnotes">This list is not exhaustive and was compiled in April 2011</ref>:
	* Sony SLT-A55		* Sony SLT-A55
	* Sony Cyber-shot DSC-HX5		* Sony Cyber-shot DSC-HX5
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	Some other cameras support GNSS positioning as an option such as<ref name="dpreview"/><ref group="nb">This list is not exhaustive and was compiled in April 2011</ref>:		Some other cameras support GNSS positioning as an option such as<ref name="dpreview"/><ref group="footnotes">This list is not exhaustive and was compiled in April 2011</ref>:
	* Recent Nikon DSLRs		* Recent Nikon DSLRs
	* Samsung NX11		* Samsung NX11
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	== Notes ==		== Notes ==
	<references group="nb" />		<references group="footnotes" />

	==References==		==References==

Rui.Pereira at 01:51, 9 April 2011

2011-04-09T01:51:35Z

← Older revision		Revision as of 01:51, 9 April 2011
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	== Application Architecture ==		== Application Architecture ==
			[[File:Camera GPS.jpg\|right\|thumb\|350px\|GNSS-enabled camera]]
	Photography geocoding depends normally on GNSS-enabled camera or [[Wikipedia:Mobile phone\|mobile phone]].		Photography geocoding depends normally on GNSS-enabled camera or [[Wikipedia:Mobile phone\|mobile phone]].

Rui.Pereira at 01:28, 9 April 2011

2011-04-09T01:28:17Z

Rui.Pereira at 09:41, 8 April 2011

2011-04-08T09:41:54Z

← Older revision		Revision as of 09:41, 8 April 2011
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	}}		}}

	The popularity of applications such as Google Earth and Google Maps and the possibility of posting georeferenced pictures lead to the need geocoding photos. A geocoded photo has the location of the photographer embedded in the files. This information includes at least latitude and longitude but might include also altitude and the bearing of the camera<ref name="Geo_photo">[Wikipedia:Geotagged photograph\|Geotagged photograph in Wikipedia]</ref>.		The popularity of applications such as Google Earth and Google Maps and the possibility of posting georeferenced pictures lead to the need geocoding photos. A geocoded photo has the location of the photographer embedded in the files. This information includes at least latitude and longitude but might include also altitude and the bearing of the camera<ref name="Geo_photo">[[Wikipedia:Geotagged photograph\|Geotagged photograph in Wikipedia]]</ref>.

	The most practical way of geocoding photos is by doing it automatically on the camera if the camera has an embedded GNSS receiver or can be connected to an add-on GNSS receiver. GNSS-enabled [[Wikipedia:Mobile phone\|mobile phones]] usually geotag photos automatically<ref name="Geo_Safety">[http://www.nv.ngb.army.mil/Army%20Geotagging%20Safety.pdf Geotags and Location-Based Social Networking], US Army</ref>.		The most practical way of geocoding photos is by doing it automatically on the camera if the camera has an embedded GNSS receiver or can be connected to an add-on GNSS receiver. GNSS-enabled [[Wikipedia:Mobile phone\|mobile phones]] usually geotag photos automatically<ref name="Geo_Safety">[http://www.nv.ngb.army.mil/Army%20Geotagging%20Safety.pdf Geotags and Location-Based Social Networking], US Army</ref>.

Rui.Pereira at 09:41, 8 April 2011

2011-04-08T09:41:15Z

← Older revision		Revision as of 09:41, 8 April 2011
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	== Application Examples ==		== Application Examples ==

	Despite the low price of GNSS chipsets only a few cameras have built-in GNSS capabilities, such as <ref name="dpreview">[http://www.dpreview.com/ dpreview.com]</ref><ref ~~name=”cam_list”~~ group="nb">This is not exhaustive and was compiled in April 2011</ref>:		Despite the low price of GNSS chipsets only a few cameras have built-in GNSS capabilities, such as <ref name="dpreview">[http://www.dpreview.com/ dpreview.com]</ref><ref group="nb">This list is not exhaustive and was compiled in April 2011</ref>:
	* Sony SLT-A55		* Sony SLT-A55
	* Sony Cyber-shot DSC-HX5		* Sony Cyber-shot DSC-HX5
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	Some other cameras support GNSS positioning as an option such as<ref name="dpreview"/><ref ~~name=”cam_list”~~ group="nb"/>:		Some other cameras support GNSS positioning as an option such as<ref name="dpreview"/><ref group="nb">This list is not exhaustive and was compiled in April 2011</ref>:
	* Recent Nikon DSLRs		* Recent Nikon DSLRs
	* Samsung NX11		* Samsung NX11

Rui.Pereira at 09:38, 8 April 2011

2011-04-08T09:38:21Z

← Older revision		Revision as of 09:38, 8 April 2011
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	Some other cameras support GNSS positioning as an option such as<ref name="dpreview"/><ref name=”cam_list” group="nb">:		Some other cameras support GNSS positioning as an option such as<ref name="dpreview"/><ref name=”cam_list” group="nb"/>:
	* Recent Nikon DSLRs		* Recent Nikon DSLRs
	* Samsung NX11		* Samsung NX11

← Older revision		Revision as of 01:28, 9 April 2011
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	}}		}}

	The popularity of applications such as Google Earth and Google Maps and the possibility of posting georeferenced pictures lead to the need geocoding photos. A geocoded photo has the location of the photographer embedded in the files. This information includes at least latitude and longitude but might include also altitude and the bearing of the camera<ref name="Geo_photo">[[Wikipedia:Geotagged photograph\|Geotagged photograph in Wikipedia]]</ref>.		The popularity of applications, such as Google Earth and Google Maps, and the possibility of posting georeferenced pictures lead to the need of geocoding photos. A geocoded photo has the location of the photographer embedded in the files. This information includes at least latitude and longitude but might include also altitude and the bearing of the camera<ref name="Geo_photo">[[Wikipedia:Geotagged photograph\|Geotagged photograph in Wikipedia]]</ref>.

	The most practical way of geocoding photos is by doing it automatically on the camera if the camera has an embedded GNSS receiver or can be connected to an add-on GNSS receiver. GNSS-enabled [[Wikipedia:Mobile phone\|mobile phones]] usually geotag photos automatically<ref name="Geo_Safety">[http://www.nv.ngb.army.mil/Army%20Geotagging%20Safety.pdf Geotags and Location-Based Social Networking], US Army</ref>.		The most practical way of geocoding photos is by doing it automatically on the camera if the camera has an embedded GNSS receiver or can be connected to an add-on GNSS receiver. GNSS-enabled [[Wikipedia:Mobile phone\|mobile phones]] usually geotag photos automatically<ref name="Geo_Safety">[http://www.nv.ngb.army.mil/Army%20Geotagging%20Safety.pdf Geotags and Location-Based Social Networking], US Army</ref>.
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	Geocoding can be done in the following ways<ref name="Geo_photo"/>:		Geocoding can be done in the following ways<ref name="Geo_photo"/>:
	* Automatic with embedded GNSS receiver: The GNSS receiver is embedded in the camera and when a photo is taken the photo is tagged with the position information coming from the receiver.		* Automatic with embedded GNSS receiver: The GNSS receiver is embedded in the camera and when a photo is taken the photo is tagged with the position information coming from the receiver.
	* Automatic with connected GNSS receiver: The GNSS receiver is connected to the camera either by a wired or a Bluetooth connection or and when a photo is taken the photo is tagged with the position information coming from the receiver.		* Automatic with connected GNSS receiver: The GNSS receiver is connected to the camera either by a wired or a Bluetooth connection and when a photo is taken the photo is tagged with the position information coming from the receiver.
	* Synchronizing with GNSS logger: The photographer carries with him GNSS logger that logs the position at regular intervals and the photo is tagged offline by comparing the photo timestamp with the GNSS logger timestamps and position		* Synchronizing with GNSS logger: The photographer carries with him GNSS logger that logs the position at regular intervals and the photo is tagged offline by comparing the photo timestamp with the GNSS logger timestamps and position.
	* Manual Geocoding: The photo coordinates are determined offline ~~with the help of~~ a mapping software where the ~~position is marked~~.		* Manual Geocoding: The photo coordinates are determined offline through a mapping software where the user marks the location where the photo was taken.


	These applications are considered non-critical applications.		These applications are considered non-critical applications.

	The ~~precision~~ required by these applications is low, being the current accuracy provided by civilian GPS enough.		The accuracy required by these applications is low, being the current accuracy provided by civilian GPS enough.


	== Privacy Issues ==		== Privacy Issues ==

	As with social networking, photo geocoding has privacy issues to be considered. GNSS-enabled [[Wikipedia:Mobile phone\|mobile phones]] automatically geocode pictures by default. Usually most users are not aware that location is being embedded in all photos taken and that this will be visible when they post photo ~~is photo~~ sharing sites or social networks<ref name="Geo_Safety"/>.		As with [[Social Networking\|social networking]], photo geocoding has privacy issues to be considered. GNSS-enabled [[Wikipedia:Mobile phone\|mobile phones]] automatically geocode pictures by default. Usually most users are not aware that location is being embedded in all photos taken and that this will be visible when they post photos in photo-sharing sites or social networks<ref name="Geo_Safety"/>.


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	Most GNSS-enabled phones ~~will geocoded~~ photos by default.		Most GNSS-enabled phones geocode photos by default.

	Examples of photo sharing sites that used geocoded data are <ref name="Geo_photo"/>:		Examples of photo sharing sites that used geocoded data are <ref name="Geo_photo"/>:
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	* [http://www.panoramio.com/ Panoramio]: Geolocation-oriented photo sharing website.		* [http://www.panoramio.com/ Panoramio]: Geolocation-oriented photo sharing website.
	* [http://moblog.net/home/ moblog]: Mobile photo blog that supports geocoding.		* [http://moblog.net/home/ moblog]: Mobile photo blog that supports geocoding.
	* [http://www.google.com/earth/ Google Earth] and [http://www.google.com/maps/ Google Maps]: Geocoded photos ~~can be~~ can be accessed as a layer in Google Earth and Google Maps.		* [http://www.google.com/earth/ Google Earth] and [http://www.google.com/maps/ Google Maps]: Geocoded photos can be accessed as a layer in Google Earth and Google Maps.