Retain Image Color in Volume Rendering

@lassoan when I try to save this model by clicking at “Save” and select “OBJ” I get this result with MeshLab:

Also, when I duplicated the model, disable the Scalars and stay both visibilities I get this result at 3D Slicer:

For me, this model is pretty good (considering the segmentation). My question is: can I export exactly this model as OBJ?