use the original room image as the locked base image replace only the carpet pattern with the pattern from the provided reference image this must be a local material pattern replacement only do not redesign regenerate enhance upscale or modify the room in any way apply the new pattern only to the carpet floor rug area following the exact perspective scale shadows folds lighting and surface direction of the existing carpet everything else must remain exactly unchanged including room layout and geometry furniture positions and dimensions bed sofa tables pillows fabrics walls ceiling wood lighting windows and view camera angle framing resolution and aspect ratio colors and materials of all other elements the pattern must look naturally integrated into the carpet with realistic fabric texture and perspective do not change the color palette of the room do not alter any object or surface except the carpet pattern
