Comparison of polymers: a new application of shape from focus
IEEE Transactions on Systems, Man, and Cybernetics, Part C: Applications and Reviews
Occluded text restoration and recognition
DAS '10 Proceedings of the 9th IAPR International Workshop on Document Analysis Systems
Image inpainting with a learned guidance vector field
ICICS'09 Proceedings of the 7th international conference on Information, communications and signal processing
Disocclusion-based 2D-3D registration for aortic interventions
Computers in Biology and Medicine
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Image-based rendering takes as input multiple images of an object and generates photorealistic images from novel viewpoints. This approach avoids explicitly modeling scenes by replacing the modeling phase with an object reconstruction phase. Reconstruction is achieved in two possible ways: recovering 3-D point locations using multiview stereo techniques, or reasoning about consistency of each voxel in a discretized object volume space. The most challenging problem for image-based reconstruction is the presence of occlusions. Occlusions make reconstruction ambiguous for object parts not visible in any input image. These parts must be reconstructed in a visually acceptable way. This paper both reviews image inpainting and argues that inpainting can provide not only attractive reconstruction but also a framework for increasing the accuracy of depth recovery. Digital image inpainting refers to any methods that fill-in holes of arbitrary topology in images so that they seem to be a part of the original image. Available methods are broadly classified as structural inpainting or textural inpainting. Structural inpainting reconstructs using prior assumptions and boundary conditions, while textural inpainting considers only the available data from texture exemplars or other templates. Of particular particular interest is research on structural inpainting applied to 3-D models, emphasizing its effectiveness for disocclusion.