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Rendering – BRDF – Bidirectional reflectance distribution function
http://en.wikipedia.org/wiki/Bidirectional_reflectance_distribution_function
The bidirectional reflectance distribution function is a four-dimensional function that defines how light is reflected at an opaque surface
http://www.cs.ucla.edu/~zhu/tutorial/An_Introduction_to_BRDF-Based_Lighting.pdf
In general, when light interacts with matter, a complicated light-matter dynamic occurs. This interaction depends on the physical characteristics of the light as well as the physical composition and characteristics of the matter.
That is, some of the incident light is reflected, some of the light is transmitted, and another portion of the light is absorbed by the medium itself.
A BRDF describes how much light is reflected when light makes contact with a certain material. Similarly, a BTDF (Bi-directional Transmission Distribution Function) describes how much light is transmitted when light makes contact with a certain material
http://www.cs.princeton.edu/~smr/cs348c-97/surveypaper.html
It is difficult to establish exactly how far one should go in elaborating the surface model. A truly complete representation of the reflective behavior of a surface might take into account such phenomena as polarization, scattering, fluorescence, and phosphorescence, all of which might vary with position on the surface. Therefore, the variables in this complete function would be:
incoming and outgoing angle incoming and outgoing wavelength incoming and outgoing polarization (both linear and circular) incoming and outgoing position (which might differ due to subsurface scattering) time delay between the incoming and outgoing light ray
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Andrew Perfors – The work of creation in the age of AI
Meaning, authenticity, and the creative process – and why they matter
https://perfors.net/blog/creation-ai/
AI changes the landscape of creation, focusing on the alienation of the creator from their creation and the challenges in maintaining meaning. The author presents two significant problems:
- Loss of Connection with Creation:
- AI-assisted creation diminishes the creator’s role in the decision-making process.
- The resulting creation lacks the personal, intentional choices that contribute to meaningful expression.
- AI is considered a tool that, when misused, turns creation into automated button-pushing, stripping away the purpose of human expression.
- Difficulty in Assessing Authenticity:
- It becomes challenging to distinguish between human and AI contributions within a creation.
- AI-generated content lacks transparency regarding the intent behind specific choices or expressions.
- The author asserts that AI-generated content often falls short in providing the depth and authenticity required for meaningful communication.
- Loss of Connection with Creation:
