Place text on image at specific locations

Question

I am trying to palace text on a background image for a cover for a document. The background image will be static hence I used \AddToShipoutPicture*

I would like to know if there is a much more efficient method to place the text on the background cover image.

This is the code that I currently have:

\documentclass[11pt,openany]{book}
\usepackage{etex}
\reserveinserts{28}
\usepackage{graphicx, rotating, ltablex, dcolumn, booktabs}
\usepackage{eso-pic}
\usepackage{lipsum}
\begin{document}
%======================================================================================
%   TITLE PAGE
%======================================================================================
\begingroup
\frontmatter
\thispagestyle{empty}
\AddToShipoutPicture*{\put(-8,-2.5){\includegraphics[scale=5]{example-image-a}}
\put(30,50){\Huge\textcolor{white}{Advanced Data Mining}}
\put(30,500){\Huge\textcolor{white}{This is some other text}}
\put(500,100){\rotatebox{90}{\Huge\textcolor{white}{This is some other text}}}
\put(530,100){\rotatebox{90}{\Huge\textcolor{white}{This is some more added text}}}
\put(200,270){\Huge\textcolor{white}{This is some other text}}
\put(200,240){\Huge\textcolor{white}{And some more}}
\put(200,210){\Huge\textcolor{white}{And even more}}
}
\mbox{~}
\clearpage
\newpage
\endgroup
%========================================================================================
%   MAINMATTER
%========================================================================================
\mainmatter
\chapter{Default chapter layout}
\lipsum[1]
\end{document}