# Metamerism (vector-matrix representation of color perception)

• nao113
In summary, the conversation discusses using vector-matrix representation of color perception to explain metamerism. The two conditions being considered involve objects producing the same color with illuminant spectrum A and different colors with illuminant spectrum B. The speaker also suggests defining variables and functions for better understanding and providing a link for further clarification.
nao113
Homework Statement
I want to explain metamerism by using vector-matrix representation of color perception. So, here, there are 2 conditions where the both objects produce the same color with illuminant spectrum A, and the both objects produce the different color with illuminant spectrum B
Relevant Equations
in the picture below
For the illuminant A

for the illuminant B

Did I got them correct? Thank you

nao113 said:
Homework Statement:: I want to explain metamerism by using vector-matrix representation of color perception. So, here, there are 2 conditions where the both objects produce the same color with illuminant spectrum A, and the both objects produce the different color with illuminant spectrum B
Relevant Equations:: in the picture below

For the illuminant A

View attachment 303155
for the illuminant B
View attachment 303156
Did I got them correct? Thank you
You are much more likely to get help with this if you take the trouble to define the variables and functions. If they’re standard within the topic, perhaps you can provide a link.

berkeman

## 1. What is metamerism?

Metamerism is a phenomenon in which two objects can appear to have the same color under one lighting condition, but different colors under another lighting condition. This is due to differences in the spectral reflectance of the objects and the way our visual system perceives and processes color information.

## 2. How is metamerism represented in color perception?

Metamerism is represented through the use of vector-matrix transformations in color perception. This involves breaking down the spectral reflectance of an object into three components (red, green, and blue) and representing them as a vector in a three-dimensional color space. The color perception of an object can then be represented as a linear combination of these three color components.

## 3. What is the significance of metamerism in color science?

Metamerism is an important concept in color science as it helps us understand how our visual system perceives and interprets color. It also plays a crucial role in color matching and color reproduction, as well as in the development of color standards and color management systems.

## 4. How does metamerism affect color accuracy in digital imaging?

Metamerism can have a significant impact on color accuracy in digital imaging, as it can result in color variations between different devices and lighting conditions. This is why color management systems are used to ensure consistent color reproduction across different devices and environments.

## 5. Can metamerism be completely eliminated?

No, metamerism cannot be completely eliminated as it is a natural result of the way our visual system perceives color. However, it can be minimized through the use of color management systems and by using color standards that take into account the effects of metamerism.

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