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Interactive Design and Preview of Colored Snapshots of Indoor Scenes

This paper presents an interactive system for quickly designing and previewing colored snapshots of indoor scenes. Different from high‐quality 3D indoor scene rendering, which often takes several minutes to render a moderately complicated scene under a specific color theme with high‐performance computing devices, our system aims at improving the effectiveness of color theme design of indoor scenes and employs an image colorization approach to efficiently obtain high‐resolution snapshots with editable colors. Given several pre‐rendered, multi‐layer, gray images of the same indoor scene snapshot, our system is designed to colorize and merge them into a single colored snapshot. Our system also assists users in assigning colors to certain objects/components and infers more harmonious colors for the unassigned objects based on pre‐collected priors to guide the colorization. The quickly generated snapshots of indoor scenes provide previews of interior design schemes with different color themes, making it easy to determine the personalized design of indoor scenes. To demonstrate the usability and effectiveness of this system, we present a series of experimental results on indoor scenes of different types, and compare our method with a state‐of‐the‐art method for indoor scene material and color suggestion and offline/online rendering software packages.