Real-time 3D model acquisition
Proceedings of the 29th annual conference on Computer graphics and interactive techniques
Optical 3D Digitizers: Bringing Life to the Virtual World
IEEE Computer Graphics and Applications
Shape-from-Silhouette/Stereo and Its Application to 3-D Digitizer
DCGI '99 Proceedings of the 8th International Conference on Discrete Geometry for Computer Imagery
Silhouette and stereo fusion for 3D object modeling
Computer Vision and Image Understanding - Model-based and image-based 3D scene representation for interactive visalization
Is appearance-based structure from motion viable?
3DIM'99 Proceedings of the 2nd international conference on 3-D digital imaging and modeling
A 3D scanning system based on low-occlusion approach
3DIM'99 Proceedings of the 2nd international conference on 3-D digital imaging and modeling
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A portable three-dimensional digitizer using a monocular camera is presented in this paper. The digitizer automatically acquires the shape of a target object as well as its texture. The digitizer has the following advantages: 1) compact and inexpensive, 2) skill-free 3D image acquisition, and 3) handles a wide range of objects of various materials. The digitizing algorithm is based on the "Shape-from-Silhouette" framework, where several novel techniques are embedded as follows. In the silhouette extraction, not only pixel-level subtraction between images but also region-level subtraction are embedded so as to achieve precise extraction. The texture acquisition is treated as a labeling problem in an energy minimization framework, which enables us to get realistic textures with a simple operation. Our experiments showed that the digitizing speed of the digitizer was practical.