\documentclass{article}
\usepackage{pgfplots}

\pgfplotsset{compat=1.6}

\begin{document}

\def\experiment[#1]{%
	\begin{tikzpicture}
	\begin{axis}[
		grid=both,minor tick num=1,
		xlabel=$x$,ylabel=$y$,
		#1,
		]
	\addplot3 graphics[
		points={% important
			(0,1,0) => (0,207-112)
			(1,0,0) => (446,207-133)
			(0.5546,0.5042,1.825) => (236,207)
			(0,0,0) => (194,207-202)
		}] {plotdata/plotgraphics3dsurf.png};
	\end{axis}
	\end{tikzpicture}%
}%

\experiment[]~%
\experiment[width=4cm,height=6cm]

\experiment[xmin=-1]~%

\end{document}
