Computer Vision, Graphics, and Image Processing
A Dual Taxonomy for Defects in Digitized Historical Photos
ICDAR '09 Proceedings of the 2009 10th International Conference on Document Analysis and Recognition
A generalized model for scratch detection
IEEE Transactions on Image Processing
Digital image processing techniques for the detection and removal of cracks in digitized paintings
IEEE Transactions on Image Processing
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Line scratches are common defects in old archived videos, but similar imperfections may occur in printed images, in most cases by reason of improper handling or inaccurate preservation of the support. Once an image is digitized, its defects become part of that image. Many state-of-the-art papers deal with long, thin, vertical lines in old movie frames, by exploiting both spatial and temporal information. In this paper we aim to face with a more challenging and general problem: the analysis of line scratches in still images, regardless of their orientation, color, and shape. We present a detection/restoration method to process this defect.