change only the wallpaper panel behind the bed above the wooden plinth replace this added wallpaper with the exact same color texture and material appearance as the surrounding walls and ceiling it should blend seamlessly with the existing wall finish including the same tone roughness and subtle surface texture do not modify anything else in the room keep the exact camera angle lighting furniture bed styling materials decorations architecture proportions and composition unchanged only remove the wallpaper variation behind the bed and match it to the existing wall and ceiling color
