photorealistic enhancement of a residential house exterior preserve all existing materials surfaces colors and textures exactly as they are no redesign or alteration allowed only apply subtle quality improvements increase resolution sharpen textures enhance natural lighting and shadows slight color and contrast correction the facade roof cladding and windows must remain unchanged in form and material the environment garden sky vegetation can be refined to look more natural and detailed but not exaggerated or stylized do not add new elements or modify the architecture realistic daylight lighting balanced exposure