\def\thud@unisep{0pt}
\def\thud@se@and{0pt}
\def\thud@se@qual{.5ex}
\def\thud@se@sep{1em}

%% Copied and adapted from beamerbasetitle.sty
\long\def\beamer@author[#1]#2{%
    \def\@author{#2}%
    \def\beamer@shortauthor{#1}%
    \ifbeamer@autopdfinfo%
        \def\beamer@andstripped{}%
        \beamer@stripands#2 \and\relax
        {\let\inst=\@gobble\let\thanks=\@gobble\def\and{, }\hypersetup{pdfauthor={\beamer@andstripped}}}
    \fi%
}
%% Copied and adapted from beamerbasetitle.sty
\long\def\beamer@institute[#1]#2{%
    \def\beamer@temp{#2}%
    \ifx\beamer@temp\@empty
        \def\insertinstitute{}
    \else
        \def\insertinstitute{#2}%
    \fi
    \def\beamer@shortinstitute{#1}%
}
%% Copied and adapted from beamerbasetitle.sty
\long\def\beamer@date[#1]#2{%
    \def\@date{#2}%
    \def\beamer@shortdate{#1}%
}

\institute[UniUD]{\thud@universityA}

\def\insertdate{\ifx\thud@cycle\@empty\datename\else\cyclename~\thud@cycle\ --- \shortdatename\fi~\@date}
\def\insertshortdate{\shortdatename~\@date}
\def\insertauthor{%
    \parbox[t]{.4\linewidth}{%
        \let\thud@candidate\@author
        \thud@showentry*{candidate}%
    }%
    \quad%
    \parbox[t]{.4\linewidth}{%
        \thud@showentry{supervisor}%
        \thud@showentry{cosupervisor}%
        \thud@showentry{tutor}%
    }%
}

\renewcommand\maketitle[1][]{%
    \begingroup%
    \setbeamertemplate{background canvas}{%
        \parbox[c][\paperheight]{\paperwidth}{\centering%
            \includegraphics[height=.9\paperheight,width=.9\paperwidth,keepaspectratio]{UdineLogoFull}%
        }%
    }%
    \def\thud@tmpcmd{#1}%
    \ifx\@empty\thud@tmpcmd\def\thud@tmpcmd{environment=}\fi%
    \expandafter\frame\expandafter[\thud@tmpcmd]{\titlepage}%
    \endgroup%
}