This paper presents a new approach to computing dense depth and motion estimates from multiple images. Rather than computing a single depth or motion map from such a collection, we associate motion or depth estimates with each image in the collection (or at least some subset of the images). This has the advantage that the depth or motion of regions occluded in one image will still be represented in some other image. Thus, tasks such as novel view interpolation or motion-compensated prediction can be solved with greater fidelity. Furthermore, the natural variation in appearance between different images can be captured. To formulate motion and structure recovery, we cast the problem as a global optimization over the unknown motion or depth maps, and use robust smoothness constraints to constrain the space of possible solutions. We develop and evaluate some motion and depth estimation algorithms based on this framework.
|Published in||IEEE Computer Society Conference on Computer Vision and Pattern Recognition (CVPR'99)|
|Publisher||IEEE Computer Society|
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