Camera Calibration Targets - Revision history

Peter at 16:11, 10 November 2022

2022-11-10T16:11:23Z

← Older revision		Revision as of 16:11, 10 November 2022
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	== Online Editor ==		== Online Editor ==

	A web version ([https://www.ninox360.com/calibration-targets link]) of the desktop has been created and hosted by [https://ninox360.com Ninox 360]. It has almost all the features of the desktop application but runs in your browser.		A web version ([https://www.ninox360.com/calibration-targets link]) of the desktop has been created and hosted by [https://www.ninox360.com Ninox 360]. It has almost all the features of the desktop application but runs in your browser.

	[[File:Online_calibration_target_generator.jpg\|300px\|link=https://www.ninox360.com/calibration-targets]]		[[File:Online_calibration_target_generator.jpg\|300px\|link=https://www.ninox360.com/calibration-targets]]

Peter at 16:10, 10 November 2022

2022-11-10T16:10:37Z

← Older revision		Revision as of 16:10, 10 November 2022
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	== ~~Creating Your Own~~ ==		== Online Editor ==

			A web version ([https://www.ninox360.com/calibration-targets link]) of the desktop has been created and hosted by [https://ninox360.com Ninox 360]. It has almost all the features of the desktop application but runs in your browser.

			[[File:Online_calibration_target_generator.jpg\|300px\|link=https://www.ninox360.com/calibration-targets]]

			== Desktop Editor ==

	BoofCV provides an application for generating your own custom calibration target. It allows you to specify which pattern you wish to use, the paper, and other specifications. A command line interface as well as a graphics interface are provided. The graphical interface gives you live preview as you adjust settings.		BoofCV provides an application for generating your own custom calibration target. It allows you to specify which pattern you wish to use, the paper, and other specifications. A command line interface as well as a graphics interface are provided. The graphical interface gives you live preview as you adjust settings.
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	</syntaxhighlight>		</syntaxhighlight>

			== Downloadable Targets ==

	~~== Downloadable Targets ==~~		Instead of creating a custom target you can use one of the pregenerated targets for standard document sizes.

	{\| class="wikitable"		{\| class="wikitable"

Peter: /* Downloadable Targets */

2021-10-14T17:39:32Z

Downloadable Targets

← Older revision		Revision as of 17:39, 14 October 2021
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	!Shape		!Shape
	!Square/Circle Size		!Square/Circle Size
			\|-
			\|[[File:Ecocheck_9x7n1.png\|60px\|link=http://boofcv.org/notwiki/calibration/letter_ecocheck_9x7n1.pdf]]
			\| ECoCheck 9x7n1
			\| Letter
			\| 9 by 7
			\| 3cm
	\|-		\|-
	\|[[File:Calibration_letter_chessboard_7x5.png\|60px\|link=http://boofcv.org/notwiki/calibration/letter_chessboard.pdf]]		\|[[File:Calibration_letter_chessboard_7x5.png\|60px\|link=http://boofcv.org/notwiki/calibration/letter_chessboard.pdf]]
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	!Shape		!Shape
	!Square/Circle Size		!Square/Circle Size
			\|-
			\|[[File:Ecocheck_9x7n1.png\|60px\|link=http://boofcv.org/notwiki/calibration/A4_ecocheck_10x7n1.pdf]]
			\| ECoCheck 10x7n1
			\| A4
			\| 10 by 7
			\| 3cm
	\|-		\|-
	\|[[File:Calibration_A4_chessboard_9x6.png\|60px\|link=http://boofcv.org/notwiki/calibration/A4_chessboard.pdf]]		\|[[File:Calibration_A4_chessboard_9x6.png\|60px\|link=http://boofcv.org/notwiki/calibration/A4_chessboard.pdf]]

Peter at 00:28, 11 November 2018

2018-11-11T00:28:53Z

← Older revision		Revision as of 00:28, 11 November 2018
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	== Creating Your Own ==		== Creating Your Own ==

	BoofCV provides an application for generating your own custom calibration target. ~~You can size the~~ pattern ~~for your specific application on any sized paper. First~~ you ~~need~~ to ~~build~~ the ~~applications~~, ~~see below~~:		BoofCV provides an application for generating your own custom calibration target. It allows you to specify which pattern you wish to use, the paper, and other specifications. A command line interface as well as a graphics interface are provided. The graphical interface gives you live preview as you adjust settings.

			* [https://youtu.be/qMTtdiujAtQ?t=559 Video demonstration of command-line]
			* [https://youtu.be/TGg-xgTyaU8?t=604 Video demonstration of GUI Application]
			* [[Applications#Create_Calibration_Fiducials\|Instructions for installing pre-built application]]
			* Below are instructions for building it yourself from BoofCV's source code
	<syntaxhighlight lang="bash">		<syntaxhighlight lang="bash">
	cd boofcv		cd boofcv
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	</syntaxhighlight>		</syntaxhighlight>

	The last line above will run the application with no arguments. This will print out up to date instructions. At the end of the instructions are examples for each target type on letter sized paper. If you wish to have a GUI when creating your calibration target add the --GUI flag. The GUI doesn't have all the options which the ~~commandline~~ has.		The last line above will run the application with no arguments. This will print out up to date instructions. At the end of the instructions are examples for each target type on letter sized paper. If you wish to have a GUI when creating your calibration target add the --GUI flag. The GUI doesn't have all the options which the command line has.

	<syntaxhighlight lang="bash">		<syntaxhighlight lang="bash">
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	</syntaxhighlight>		</syntaxhighlight>

	* [https://youtu.be/qMTtdiujAtQ?t=559 Video demonstration of command-line]
	* [https://youtu.be/TGg-xgTyaU8?t=604 Video demonstration of GUI Application]

	== Downloadable Targets ==		== Downloadable Targets ==

Peter at 00:51, 21 January 2018

2018-01-21T00:51:14Z

← Older revision		Revision as of 00:51, 21 January 2018
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	<center>		<center>
	'''WHEN PRINTING ~~THE~~ CALIBRATION ~~GRID~~ MAKE SURE YOUR PRINTER DOES NOT RESCALE THE DOCUMENTS!'''<br>		'''WHEN PRINTING CALIBRATION TARGETS MAKE SURE YOUR PRINTER DOES NOT RESCALE THE DOCUMENTS!'''<br>
	'''~~Failure to do so will cause intrinsic parameters to be off by a scale-factor.'''~~		'''After printing use a ruler to make sure it's the correct size'''
	~~'''Measure with~~ a ruler to make sure ~~each square is 30mm wide~~'''
	</center>		</center>

Peter at 00:49, 21 January 2018

2018-01-21T00:49:33Z

← Older revision		Revision as of 00:49, 21 January 2018
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	cd boofcv		cd boofcv
	./gradlew applicationsJar		./gradlew applicationsJar
	java -jar ~~demonstrations~~/applications.jar CreateCalibrationTarget		java -jar applications/applications.jar CreateCalibrationTarget
	</syntaxhighlight>		</syntaxhighlight>

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	<syntaxhighlight lang="bash">		<syntaxhighlight lang="bash">
	java -jar ~~demonstrations~~/applications.jar CreateCalibrationTarget --GUI		java -jar applications/applications.jar CreateCalibrationTarget --GUI
	</syntaxhighlight>		</syntaxhighlight>

Peter: /* Creating Your Own */

2018-01-21T00:48:09Z

Creating Your Own

← Older revision		Revision as of 00:48, 21 January 2018
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	BoofCV provides an application for generating your own custom calibration target. You can size the pattern for your specific application on any sized paper. First you need to build the applications, see below:		BoofCV provides an application for generating your own custom calibration target. You can size the pattern for your specific application on any sized paper. First you need to build the applications, see below:
	<syntaxhighlight lang="bash">		<syntaxhighlight lang="bash">
	cd boofcv/~~applications~~		cd boofcv
	~~gradle~~ applicationsJar		./gradlew applicationsJar
	java -jar applications.jar CreateCalibrationTarget		java -jar demonstrations/applications.jar CreateCalibrationTarget
	</syntaxhighlight>		</syntaxhighlight>

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	<syntaxhighlight lang="bash">		<syntaxhighlight lang="bash">
	java -jar applications.jar CreateCalibrationTarget --GUI		java -jar demonstrations/applications.jar CreateCalibrationTarget --GUI
	</syntaxhighlight>		</syntaxhighlight>

Peter at 00:15, 21 January 2018

2018-01-21T00:15:04Z

← Older revision		Revision as of 00:15, 21 January 2018
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	</syntaxhighlight>		</syntaxhighlight>

	* [https://youtu.be/qMTtdiujAtQ?t=559 ~~video~~ demonstration of command-line]		* [https://youtu.be/qMTtdiujAtQ?t=559 Video demonstration of command-line]
	* [https://youtu.be/ ~~video~~ demonstration of GUI ~~<-- CREATE THIS~~]		* [https://youtu.be/TGg-xgTyaU8?t=604 Video demonstration of GUI Application]

	== Downloadable Targets ==		== Downloadable Targets ==

Peter at 17:15, 20 January 2018

2018-01-20T17:15:23Z

← Older revision		Revision as of 17:15, 20 January 2018
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	\| Letter		\| Letter
	\| 17 by 12		\| 17 by 12
			\| diam=1cm, d=1.5cm
			\|}

			{\| class="wikitable"
			\|+Printable Calibration Targets: Metric
			!Link
			!Target Type
			!Paper Size
			!Shape
			!Square/Circle Size
			\|-
			\|[[File:Calibration_A4_chessboard_9x6.png\|60px\|link=http://boofcv.org/notwiki/calibration/A4_chessboard.pdf]]
			\| Chessboard
			\| A4
			\| 9 by 6
			\| 3cm
			\|-
			\|[[File:Calibration_A4_squaregrid.png\|60px\|link=http://boofcv.org/notwiki/calibration/A4_squaregrid.pdf]]
			\| Square Grid
			\| A4
			\| 6 by 4
			\| w=3cm s=1.5cm
			\|-
			\|[[File:Calibration_A4_circlehex.png\|60px\|link=http://boofcv.org/notwiki/calibration/A4_circlehex.pdf Link]]
			\| Circle Hexagonal Grid
			\| A4
			\| 20 by 24
			\| diam=1cm, d=1.5cm
			\|-
			\|[[File:Calibration_A4_circlegrid.png\|60px\|link=http://boofcv.org/notwiki/calibration/A4_circlegrid.pdf Link]]
			\| Circle Regular Grid
			\| A4
			\| 18 by 12
	\| diam=1cm, d=1.5cm		\| diam=1cm, d=1.5cm
	\|}		\|}

Peter: /* Creating Your Own */

2018-01-20T17:07:16Z

Creating Your Own

← Older revision		Revision as of 17:07, 20 January 2018
Line 1:		Line 1:
	== Creating Your Own ==		== Creating Your Own ==

	BoofCV provides an application for generating your own custom calibration target. You can size the pattern for your specific application on any sized paper. First you need to build the applications, see below:		BoofCV provides an application for generating your own custom calibration target. You can size the pattern for your specific application on any sized paper. First you need to build the applications, see below:
	<syntaxhighlight lang="bash">		<syntaxhighlight lang="bash">
	cd boofcv/applications		cd boofcv/applications
Line 8:		Line 8:
	</syntaxhighlight>		</syntaxhighlight>

	The last line above will run the application with no arguments. This will print out up to date instructions. At the end of the instructions are examples for each target type on letter sized paper.		The last line above will run the application with no arguments. This will print out up to date instructions. At the end of the instructions are examples for each target type on letter sized paper. If you wish to have a GUI when creating your calibration target add the --GUI flag. The GUI doesn't have all the options which the commandline has.

	[https://youtu.be/qMTtdiujAtQ?t=559 ~~Video~~ demonstration of ~~this application~~]		<syntaxhighlight lang="bash">
			java -jar applications.jar CreateCalibrationTarget --GUI
			</syntaxhighlight>

			* [https://youtu.be/qMTtdiujAtQ?t=559 video demonstration of command-line]
			* [https://youtu.be/ video demonstration of GUI <-- CREATE THIS]

	== Downloadable Targets ==		== Downloadable Targets ==