colorSpec

type

quantity

metric

comments

examples

(objects, files, functions)

light

power

radiometric

radiometric quantities are conventional in colorimetry

D65.1nm
pos1-20x.scope
BlueFlame.txt

photons/sec
or
photons

actinometric

for color calculations, actinometric units are automatically converted to radiometric

F96T12
Airam-GR8E.txt

responsivity
.light

power->electrical

radiometric

RGB camera response

Flea2.RGB
Red-Epic-Dragon.txt

power->neural

eye response

xyz1931.1nm
Osmia-rufa.txt

power->action

examples are erythemal action, melatonin suppression, etc.

erythemalSpectrum()

photons->electrical

actinometric

silicon sensors usually use quantum efficiency

Zyla_sCMOS.txt
FoveonX3.txt

photons->neural

response units might be photocurrent, or spikes/sec, etc.

HigherPasserines

photons->action

photosynthesis is an example

BeanPhotosynthesis.txt

material

reflectance

NA


CC_Avg20_spectrum_XYY.txt

transmittance
absorbance

NA

for color calculations, absorbance is automatically converted to transmittance

Hoya
Hematoxylin.txt
atmosphere2003

responsivity
.material

material->electrical
material->neural
material->action

NA

a spectrum of this type typically comes from both a light source and a camera

scanner.ACES
(a standard for scanning film)

Table 2.1 The types of spectra and their quantities