A Method for Enforcing Integrability in Shape from Shading Algorithms
IEEE Transactions on Pattern Analysis and Machine Intelligence
Recovering high dynamic range radiance maps from photographs
Proceedings of the 24th annual conference on Computer graphics and interactive techniques
Environment matting and compositing
Proceedings of the 26th annual conference on Computer graphics and interactive techniques
International Journal of Computer Vision
Environment matting extensions: towards higher accuracy and real-time capture
Proceedings of the 27th annual conference on Computer graphics and interactive techniques
Proceedings of the 27th annual conference on Computer graphics and interactive techniques
Digital Image Processing
SHAPE FROM SHADING: A METHOD FOR OBTAINING THE SHAPE OF A SMOOTH OPAQUE OBJECT FROM ONE VIEW
SHAPE FROM SHADING: A METHOD FOR OBTAINING THE SHAPE OF A SMOOTH OPAQUE OBJECT FROM ONE VIEW
A Cylindrical Surface Model to Rectify the Bound Document Image
ICCV '03 Proceedings of the Ninth IEEE International Conference on Computer Vision - Volume 2
What Does Motion Reveal About Transparency?
ICCV '03 Proceedings of the Ninth IEEE International Conference on Computer Vision - Volume 2
Digital restoration using volumetric scanning
Proceedings of the 4th ACM/IEEE-CS joint conference on Digital libraries
Image Restoration of Arbitrarily Warped Documents
IEEE Transactions on Pattern Analysis and Machine Intelligence
Fields of Experts: A Framework for Learning Image Priors
CVPR '05 Proceedings of the 2005 IEEE Computer Society Conference on Computer Vision and Pattern Recognition (CVPR'05) - Volume 2 - Volume 02
Geometric and Photometric Restoration of Distorted Documents
ICCV '05 Proceedings of the Tenth IEEE International Conference on Computer Vision - Volume 2
Efficient light scattering through thin semi-transparent objects
GRAPHITE '05 Proceedings of the 3rd international conference on Computer graphics and interactive techniques in Australasia and South East Asia
Real-time rendering of plant leaves
ACM SIGGRAPH 2006 Courses
An Improved Physically-Based Method for Geometric Restoration of Distorted Document Images
IEEE Transactions on Pattern Analysis and Machine Intelligence
Digital removal of blotches with variable semi-transparency using visibility laws
BVAI'07 Proceedings of the 2nd international conference on Advances in brain, vision and artificial intelligence
Region filling and object removal by exemplar-based image inpainting
IEEE Transactions on Image Processing
Geometric and shading correction for images of printed materials using boundary
IEEE Transactions on Image Processing
A new technique for the digitization and restoration of deteriorated photographic negatives
Journal on Image and Video Processing - Special issue on image and video processing for cultural heritage
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We have developed a system that can acquire and restore not only a distorted single-page document, but also more complicated multilayer film negatives. In this work, we demonstrate a new image-based document acquisition system, based on single-scatter diffuse transmission, that captures the intrinsic intensity information and shape distortion of documents. Using a simple to build and costeffective camera and LCD system, the data is acquired to allow for automatic photometric and geometric correction of most documents. We show the results of our system with single sheet nonplanar documents. Furthermore, to show the robustness of this system, we demonstrate the restoration on safety acetate film negatives over 70 years old that have been damaged due to shrinkage and other forms of deterioration.