[bootlin/training-materials updates] master: graphics: theory: Move color quantization approaches earlier (27858251)
Paul Kocialkowski
paul.kocialkowski at bootlin.com
Fri Oct 14 22:52:31 CEST 2022
Repository : https://github.com/bootlin/training-materials
On branch : master
Link : https://github.com/bootlin/training-materials/commit/27858251492f06a4c8c8068600d0b207dfe218d6
>---------------------------------------------------------------
commit 27858251492f06a4c8c8068600d0b207dfe218d6
Author: Paul Kocialkowski <paul.kocialkowski at bootlin.com>
Date: Fri Oct 14 22:51:02 2022 +0200
graphics: theory: Move color quantization approaches earlier
Signed-off-by: Paul Kocialkowski <paul.kocialkowski at bootlin.com>
>---------------------------------------------------------------
27858251492f06a4c8c8068600d0b207dfe218d6
slides/graphics-theory/graphics-theory.tex | 14 +++++++-------
1 file changed, 7 insertions(+), 7 deletions(-)
diff --git a/slides/graphics-theory/graphics-theory.tex b/slides/graphics-theory/graphics-theory.tex
index 1c368b69..e1074cff 100644
--- a/slides/graphics-theory/graphics-theory.tex
+++ b/slides/graphics-theory/graphics-theory.tex
@@ -174,13 +174,6 @@ u_s > 2 \times u_{max}, ~v_s > 2 \times v_{max}
\item The translated color has \textbf{coordinates} in the colorspace\\
\textit{e.g. 3 for a human-eye-alike referential: red, green, blue}
\end{itemize}
- \item Color coordinates are quantized with:
- \begin{itemize}
- \item A given \textbf{resolution}:
- \textit{the smallest possible color difference}
- \item A given \textbf{range}:
- \textit{the span of representable colors}
- \end{itemize}
\item Different approaches exist for color quantization:
\begin{itemize}
\item \textbf{Uniform} quantization in the color range (most common)\\
@@ -188,6 +181,13 @@ u_s > 2 \times u_{max}, ~v_s > 2 \times v_{max}
\item \textbf{Irregular} quantization with indexed colors (palettes)\\
\textit{values are attributed to colors as needed}
\end{itemize}
+ \item Uniform color coordinates are quantized with:
+ \begin{itemize}
+ \item A given \textbf{resolution}:
+ \textit{the smallest possible color difference}
+ \item A given \textbf{range}:
+ \textit{the span of representable colors}
+ \end{itemize}
\end{itemize}
\end{minipage}
\hfill
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