https://fr.mathworks.com/help/rptgen/ug/mlreportgen.ppt.pictureplaceholder-class.html
mlreportgen.ppt.PicturePlaceholder - Placeholder for slide picture - MATLAB
An object of the mlreportgen.ppt.PicturePlaceholder class represents a picture placeholder in a slide.
pptplaceholderslidepicturematlab