input image is a fixed reference perform a material and lighting pass only do not change geometry design layout proportions or composition in any way do not add or remove any objects furniture lighting or architectural elements do not change shapes sizes positions or spacing background must remain identical and blank do not generate any environment context or surroundings maintain orthographic 2d elevation view no perspective no camera shift only increase realism through accurate material definition subtle shadows ambient occlusion only refined reflections where already present improved texture clarity no redesign no styling no interpretation no new elements output must be a pixel aligned realistic pass of the original image
