Virtual restoration of vintage photographic prints affected by foxing and water blotches
- F. Stanco, L. Tenze, G. Ramponi
- Computer ScienceJ. Electronic Imaging
- 1 October 2005
We propose a new algorithm to digitally restore vintage photographic prints affected by foxing and water blotches. It semi- automatically recovers the defects utilizing the features of the stains.…
FPGA implementation of the Lucy-Richardson algorithm for fast space-variant image deconvolution
- Sergio Carrato, G. Ramponi, S. Marsi, M. Jerian, L. Tenze
- Computer ScienceInternational Symposium on Image and Signal…
- 26 October 2015
This paper shows that exploiting the sparse structure of the deconvolution matrix, and utilizing a specifically devised architecture, the restoration can be performed almost in real-time on VGA-size images.
A high quality 2 x image interpolator
- Sergio Carrato, L. Tenze
- Computer ScienceIEEE Signal Processing Letters
- 1 June 2000
An innovative interpolator is presented that performs high quality 2/spl times/interpolation on both synthetic and real world images and provides edge-sensitive data interpolation so that sharp- and artifacts-free images are obtained at a reasonable computational cost.
Robust detection and correction of blotches in old films using spatio-temporal information
- L. Tenze, G. Ramponi, Sergio Carrato
- Computer ScienceIS&T/SPIE Electronic Imaging
- 23 May 2002
A new very efficacious detection method is proposed that is able to yield a high correct detection rate while minimizing, at the same time, the false alarm rate.
Design and real-time implementation of a low-cost noise reduction video system
- L. Tenze, Sergio Carrato, S. Olivieri
- Physics
- 2001
An improved method for water blotches detection and restoration
- F. Stanco, L. Tenze, A. De Rosa
- EngineeringProceedings of the Fourth IEEE International…
- 18 December 2004
An algorithm to digitally restore vintage photographic prints affected by water blotches using a new simple and effective semiautomatic detection, and a smart restoration method based on an additive/multiplicative model is proposed.
Technique to correct yellowing and foxing in antique books
- F. Stanco, L. Tenze, G. Ramponi
- Computer Science
- 11 June 2007
New algorithms for the automatic restoration of antique documents affected by foxing and by yellowing deterioration processes are proposed, and these techniques improve the performance of optical character recognition operators.
Blotches correction and contrast enhancement for old film pictures
- L. Tenze, G. Ramponi, Sergio Carrato
- PhysicsProceedings International Conference on Image…
- 2000
A complete system for old picture restoration is described: in particular, a frame alignment method, a simple deblotching algorithm and a nonlinear approach for contrast enhancement are proposed. The…
Voice-Controlled Artificial Handspeak System
- J. Gatti, C. Fonda, L. Tenze, E. Canessa, Abdus Salam
- Computer Science
- 31 January 2014
A man-machine interaction project is described which aims to establish an automated voice to sign language translator for communication with the deaf using integrated open technologies. The first…
Virtual restoration of fragmented glass plate photographs
- F. Stanco, L. Tenze, G. Ramponi, A. de Polo
- EngineeringProceedings of the 12th IEEE Mediterranean…
- 12 May 2004
An algorithm based on the roto-translation of the fragments of fragmented glass plate photographs is proposed, which combines a preprocessing adjustment in the contour combined with final interpolation to avoid artifacts.
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