But remeshing mostly does not do so nice topology and a “good quadrifier” will help…
Also: for those relief models there are some special programms… like for example:
or
and the according tutorials… (properly giving you a highpolygon model)
Do you know the awesome forum search function (top right -icon) ?? Then you might find something like:
When you want this “as simple” as you showed… there are thousend of ornament creating tutorial… some using the same high poly approach and some hwo to model this manually…