Psych221 Camera Design - Revision history

imported>Wandell: /* Color filters */

2011-02-03T05:40:01Z

Color filters

← Older revision		Revision as of 05:40, 3 February 2011
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	== Color filters ==		== Color filters ==

	'''Relevant scripts''': ~~[http:// .... t_simulateSystem.m]]~~		'''Relevant scripts''':

	= Test Scenes and Images =		= Test Scenes and Images =

imported>Wandell: /* Background */

2011-02-03T05:39:39Z

Background

← Older revision		Revision as of 05:39, 3 February 2011
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	Your choice of optical components, pixel and sensors, and color filters is limited by that annoying thing called reality - not everything can be built. Still, there are many components and many possible combinations, and the choice of one component can have an impact on the selection of other components. For your project, we offer a list that you can choose from to build your camera. These are described here; we also provide some code to make it easy for you to build your model system.		Your choice of optical components, pixel and sensors, and color filters is limited by that annoying thing called reality - not everything can be built. Still, there are many components and many possible combinations, and the choice of one component can have an impact on the selection of other components. For your project, we offer a list that you can choose from to build your camera. These are described here; we also provide some code to make it easy for you to build your model system.

			There is a tutorial script that shows you how to set parameters, create different color filter arrays, and evaluate some of the metrics. We hope you will look through this script and use it as a basis for your own experiments.

			'''Relevant script:''' t_Project_CD.m

	= List of Components =		= List of Components =

imported>Joyce: /* Evaluation Methods */

2011-02-01T04:43:53Z

Evaluation Methods

← Older revision		Revision as of 04:43, 1 February 2011
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	Color Accuracy		Color Accuracy
	*scripts/teaching/t_Metrics : shows how to calculate DE between two XYZ values
	*scripts/teaching/t_Rendering: calculate XYZ values for the Macbeth ColorChecker under D65 illuminant (first part only)
	*scripts/metrics/s_macbethDeltaE		*scripts/metrics/s_macbethDeltaE

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	Spatial Resolution		Spatial Resolution
	*scripts/~~teaching~~/~~slantedBarInfraredMTF~~.m ~~- see how to create a sensor with 7 spectral bands and calculate MTF using ISO12233 method~~		*scripts/metrics/slantedBarMTF.m

	= Helpful and Friendly Advise =		= Helpful and Friendly Advise =

imported>Joyce: /* Evaluation Methods */

2011-02-01T04:33:25Z

Evaluation Methods

← Older revision		Revision as of 04:33, 1 February 2011
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	*scripts/teaching/t_Rendering: calculate XYZ values for the Macbeth ColorChecker under D65 illuminant (first part only)		*scripts/teaching/t_Rendering: calculate XYZ values for the Macbeth ColorChecker under D65 illuminant (first part only)
	*scripts/metrics/s_macbethDeltaE		*scripts/metrics/s_macbethDeltaE

			SNR
			*scripts/sensor/s_sensorSNR.m

	Spatial Resolution		Spatial Resolution

imported>Joyce: /* Evaluation Methods */

2011-02-01T04:31:47Z

Evaluation Methods

← Older revision		Revision as of 04:31, 1 February 2011
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	'''Relevant scripts''':		'''Relevant scripts''':

	*Color Accuracy		Color Accuracy
	scripts/teaching/t_Metrics : shows how to calculate DE between two XYZ values		*scripts/teaching/t_Metrics : shows how to calculate DE between two XYZ values
	scripts/teaching/t_Rendering: calculate XYZ values for the Macbeth ColorChecker under D65 illuminant (first part only)		*scripts/teaching/t_Rendering: calculate XYZ values for the Macbeth ColorChecker under D65 illuminant (first part only)
	scripts/metrics/s_macbethDeltaE		*scripts/metrics/s_macbethDeltaE

	*Spatial Resolution		Spatial Resolution
	scripts/teaching/slantedBarInfraredMTF.m - see how to create a sensor with 7 spectral bands and calculate MTF using ISO12233 method		*scripts/teaching/slantedBarInfraredMTF.m - see how to create a sensor with 7 spectral bands and calculate MTF using ISO12233 method

	= Helpful and Friendly Advise =		= Helpful and Friendly Advise =

imported>Joyce: /* Evaluation Methods */

2011-02-01T04:30:28Z

Evaluation Methods

← Older revision		Revision as of 04:30, 1 February 2011
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	'''Relevant scripts''':		'''Relevant scripts''':

			*Color Accuracy
			scripts/teaching/t_Metrics : shows how to calculate DE between two XYZ values
			scripts/teaching/t_Rendering: calculate XYZ values for the Macbeth ColorChecker under D65 illuminant (first part only)
			scripts/metrics/s_macbethDeltaE

			*Spatial Resolution
			scripts/teaching/slantedBarInfraredMTF.m - see how to create a sensor with 7 spectral bands and calculate MTF using ISO12233 method

	= Helpful and Friendly Advise =		= Helpful and Friendly Advise =

imported>Wandell: /* TODO */

2011-01-30T23:23:36Z

TODO

← Older revision		Revision as of 23:23, 30 January 2011
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	Create different anti-aliasing and IR filter possibilities		Create different anti-aliasing and IR filter possibilities

	Set up pixels/sensors sensors - Keep the sensor dye-size fixed, choose pixel sizes, noises,		Set up pixels/sensors sensors - Keep the sensor dye-size fixed, choose pixel sizes, noises,

			Redo the online programmer's index of functions

imported>Wandell: /* Color filters */

2011-01-30T22:38:53Z

Color filters

← Older revision		Revision as of 22:38, 30 January 2011
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	== Color filters ==		== Color filters ==

	'''Relevant scripts''': ~~s_sensorSimulation~~.m		'''Relevant scripts''': [http:// .... t_simulateSystem.m]]

	= Test Scenes and Images =		= Test Scenes and Images =

imported>Wandell at 22:30, 30 January 2011

2011-01-30T22:30:07Z

← Older revision		Revision as of 22:30, 30 January 2011
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	'''Relevant scripts''':		'''Relevant scripts''':

			= Post-processing =

			All processing from the sensor to an image will use a single, simple pipeline. There is no denoising or image sharpening in this pipeline. It is a simple bilinear spatial interpolation of the sensor data and a single color transformation that accounts for the spectral characteristics of the sensors under the D65 illuminant.


	= Evaluation Methods =		= Evaluation Methods =
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	* Color accuracy		* Color accuracy
	* Signal-to-noise		* Signal-to-noise
	* ~~Dynamic~~ range		* Sensitivity (low-light) quality and dynamic range
	* Spatial resolution (blur)		* Spatial resolution (blur)

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	Assemble a zip file of multispectral images		Assemble a zip file of multispectral images

	~~Specify the range of scene intensities that you want evaluated.~~

	Select the possible optics and tell them how to put them in the path. These will all be diffraction limited, but they will be different f-numbers.		Select the possible optics and tell them how to put them in the path. These will all be diffraction limited, but they will be different f-numbers.
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	Create different anti-aliasing and IR filter possibilities		Create different anti-aliasing and IR filter possibilities

	Set up ~~the parameters on the scenes (luminance level, and so forth)~~		Set up pixels/sensors sensors - Keep the sensor dye-size fixed, choose pixel sizes, noises,

	~~Set up the parameters for the~~ pixels/sensors.
	* Keep the sensor dye-size fixed.

imported>Wandell: /* TODO */

2011-01-30T22:26:35Z

TODO

← Older revision		Revision as of 22:26, 30 January 2011
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	In general, we need a script that illustrates how to set the optics parameters, pixel, color filter array, anti-aliasing filter from the list we have create. This can be based on s_simulateSensor.		In general, we need a script that illustrates how to set the optics parameters, pixel, color filter array, anti-aliasing filter from the list we have create. This can be based on s_simulateSensor.

	~~No color balancing - Only has to work under D65~~

	Assemble a zip file of multispectral images		Assemble a zip file of multispectral images

	~~Set up~~ the ~~parameters (wavelength, intensity level)~~ of ~~the scenes~~ that ~~must be tested? Or have them think about this and we stay out of it?~~		Specify the range of scene intensities that you want evaluated.

	Select the possible optics and tell them how to put them in the path. These will all be diffraction limited, but they will be different f-numbers.		Select the possible optics and tell them how to put them in the path. These will all be diffraction limited, but they will be different f-numbers.