如何在Latex中将图像与底部对齐

\usepackage{adjustbox}

\begin{figure}[htbp]
  \centering
  \begin{adjustbox}{valign=b}
    \includegraphics{image.png}
  \end{adjustbox}
  \caption{图像与底部对齐示例}
  \label{fig:alignment}
\end{figure}

\usepackage{subcaption}

\begin{figure}[htbp]
  \centering
  \begin{subfigure}[b]{0.3\textwidth}
    \centering
    \includegraphics{image1.png}
    \caption{图像1}
    \label{fig:image1}
  \end{subfigure}
  \hfill
  \begin{subfigure}[b]{0.3\textwidth}
    \centering
    \includegraphics{image2.png}
    \caption{图像2}
    \label{fig:image2}
  \end{subfigure}
  \hfill
  \begin{subfigure}[b]{0.3\textwidth}
    \centering
    \includegraphics{image3.png}
    \caption{图像3}
    \label{fig:image3}
  \end{subfigure}
  \caption{多个图像底部对齐示例}
  \label{fig:alignment}
\end{figure}