[Tex/LaTex] put a logo in the header of a twoside document

Question

I would like to include a graphics file with a logo in the header of all pages of a twoside document (left and right side). The logo should be left-justified on the left side and right-justified on the right side. The header line and the document title should begin beside the logo. There are two 2 Problems:

• Moving the beginning of header line and document title a litte to the right (left side) and left (right side) to create space for the logo
• Include the logo

Do you have any suggestions? Here is my code:

\documentclass[
   12pt,               
   a4paper,             
   twoside,                         
   headinclude,         
   headsepline,                 
   BCOR12mm,                        
   DIV12,               
   openright,             
   bibliography=totoc,            
   listof=totoc,                
   numbers=noenddot,
   fleqn,               
        ]{scrbook}

\usepackage[latin1]{inputenc}    
\usepackage[T1]{fontenc}         
\usepackage[ngerman, english]{babel}        
\usepackage{lipsum}

\usepackage{xcolor}                     
\definecolor{grey} {RGB} {132,130,132}

\usepackage{scrpage2}             

\setkomafont{pageheadfoot}{\color{grey}{\normalfont\sffamily}}
\setkomafont{pagenumber}{\color{grey}{\normalfont\sffamily}}
\setheadsepline{1pt}[\color{grey}]

\clearscrheadfoot                                                       
\pagestyle{scrheadings}
\rehead[ ]{Document title}              
\lohead[ ]{Document title}              
\lehead[ ]{\headmark}                   
\rohead[ ]{\headmark}                        
\refoot[\pagemark]{\pagemark}     
\lofoot[\pagemark]{\pagemark}     

\begin{document}

\section{section title}

\lipsum[1-9]

\end{document}

Thank your for your comments and answers. I have already tried the above solution (just including the graphics), but was not happy with the result because:

• the line is also unter the logo
• document title and section title have different heights

This time I include a layout draft (the picture in the layout is a substitute for the logo). The measurements of the final logo will be: height=15 mm, width=20 mm (or 79×61 pixel).

The Document title is "Yaacomo". In the header there should be no text and no line under the logo.

Answer 1

A first try can be to include package graphicx for macro \includegraphics and change your configuration for the header to:

\usepackage{graphicx} % for macro \includegraphics
\rehead[ ]{Document title \includegraphics[height=8mm]{example-image-A.jpg}}              
\lohead[ ]{\includegraphics[height=8mm]{example-image-A.jpg} Document title} 

Btw: example-image-A.jpg is part of the package MWE, very useful for building MWEs ...