\begin{tikzpicture}[scale=2.54]%
% dpic version 2024.01.01 option -g for TikZ and PGF 1.01
\ifx\dpiclw\undefined\newdimen\dpiclw\fi
\global\def\dpicdraw{\draw[line width=\dpiclw]}
\global\def\dpicstop{;}
\dpiclw=0.8bp
\dpiclw=0.8bp
\dpiclw=1.2bp
{\sf
\dpicdraw (1.15,0.24)
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 --cycle\dpicstop
\draw (0.1,0) node{\shortstack{\rlap{\hbox to 2bp{}Sample}\\%
\rlap{\hbox to 2bp{}Acquisition}}};
\dpicdraw (2.114853,-0.449853)
 ..controls (2.114853,-0.416746) and (2.08796,-0.389853)
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 --cycle\dpicstop
\draw (1.064853,-0.689853) node{\shortstack{\rlap{\hbox to 2bp{}Sample}\\%
\rlap{\hbox to 2bp{}Checking}}};
\dpicdraw[line width=9bp](0.575,-0.3)
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\dpicdraw[line width=6.6bp,draw={rgb,1:red,0.70000;green,0.70000;blue,0.70000}](0.575,-0.308333)
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\dpicdraw[line width=9bp](0.575,-0.627353)
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\dpicdraw[line width=6.6bp,draw={rgb,1:red,0.70000;green,0.70000;blue,0.70000}](0.575,-0.627353)
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\fill[fill={rgb,1:red,0.70000;green,0.70000;blue,0.70000},line width=0bp](0.6375,-0.635686)
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\dpicstop
\dpicdraw (0.6375,-0.635686)
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\dpicdraw (3.079706,-1.139706)
 ..controls (3.079706,-1.106599) and (3.052813,-1.079706)
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 ..controls (1.956599,-1.079706) and (1.929706,-1.106599)
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 --cycle\dpicstop
\draw (1.929706,-1.379706) node{\shortstack{\rlap{\hbox to 2bp{}Dimensionality}\\%
\rlap{\hbox to 2bp{}Sample Check}}};
\dpicdraw[line width=9bp](1.539853,-0.989853)
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\dpicdraw[line width=6.6bp,draw={rgb,1:red,0.70000;green,0.70000;blue,0.70000}](1.539853,-0.998186)
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\dpicdraw[line width=9bp](1.539853,-1.317206)
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\dpicdraw[line width=6.6bp,draw={rgb,1:red,0.70000;green,0.70000;blue,0.70000}](1.539853,-1.317206)
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\fill[fill={rgb,1:red,0.70000;green,0.70000;blue,0.70000},line width=0bp](1.602353,-1.325539)
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\dpicstop
\dpicdraw (1.602353,-1.325539)
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\dpicdraw (4.044558,-1.829558)
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 --cycle\dpicstop
\draw (2.994558,-2.069558) node{\shortstack{\rlap{\hbox to 2bp{}Sample}\\%
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\rlap{\hbox to 2bp{}Techniques}}};
\dpicdraw[line width=9bp](2.504706,-1.679706)
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\dpicdraw[line width=6.6bp,draw={rgb,1:red,0.70000;green,0.70000;blue,0.70000}](2.504706,-1.688039)
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\dpicdraw[line width=9bp](2.504706,-2.007058)
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\dpicstop
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}%
\end{tikzpicture}%
