Are there other arrangements of color filters as well? Or is the one shown the only kind?
mapqh
I think based on Wikipedia there are many different arrangements:
https://en.wikipedia.org/wiki/Color_filter_array
mithrandir
The one shown is called a Bayer filter. One interesting note is that there are more green than blue/red, which lines up with how the HVS distributes response to incoming light based on frequency.
Are there other arrangements of color filters as well? Or is the one shown the only kind?