Two-column teaser

[taiya]

Replace this

\maketitle

with this

\twocolumn[{%
\renewcommand\twocolumn[1][]{#1}%
\maketitle
\includegraphics[width=.32\linewidth]{example-image-a.png}
\includegraphics[width=.32\linewidth]{example-image-b.png}
\includegraphics[width=.32\linewidth]{example-image-c.png}
% \vspace{-2em}
\captionof{figure}{Caption of the teaser \vspace{1em}}
\label{fig:teaser}
}]

[igkiou]

Given two-column teasers are becoming increasingly popular in CVPR/ICCV, it's probably worth wrapping this inside a dedicated command, e.g., teaser, similar to the one in the SIGGRAPH template (acmtog ).

[taiya]

Agreed, feel free to submit a PR with a proposed change.