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Regular Scene Reconstruction from Image Sequences

Most of us live our daily lives in man-made environments that contain obvious regularity and repetition. This video shows work in progress [1] that is specifically geared towards modelling such scenes from a set of images. The idea is to use computer vision techniques such as structure and motion estimation, and camera self-calibration, to obtain as much information as possible about the scene automatically. The system then has the facility for the user to interactively specify some high-level information about the scene, such as the type of objects it contains and their relations to each other. Information from the user is combined with that obtained from the vision techniques to generate an graphical parameterised model of the scene. The experience of using this system is rather like using a 3D modelling package that already has some idea of the scene to be modelled, and uses this knowledge to accelerate the modelling process. Visually convincing models of real world scenes can be created extremely rapidly and with far less user interaction than is possible in a modelling package that does not have this information available.