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Authors: Andre Peres Ramos and Franklin Cesar Flores

Affiliation: Departamento de Informatica, Universidade Estadual de Maringa, Maringa and Brazil

Keyword(s): Colorization, Segmentation, Tracking.

Related Ontology Subjects/Areas/Topics: Color and Texture Analyses ; Computer Vision, Visualization and Computer Graphics ; Features Extraction ; Image and Video Analysis ; Segmentation and Grouping

Abstract: Colorization is the process of adding colors to a monochromatic image or video. Usually, the process involves to segment the image in regions of interest and then apply colors to each one, for videos, this process is repeated for each frame, which makes it a tedious and time-consuming job. We propose a new assisted method for video colorization, the user only has to colorize one frame and then the colors are propagated to following frames. The user can intervene at any time to correct eventual errors in the color assignment. The method consists of extract intensity and texture descriptors from the frames and then perform a feature matching to determine the best color for each segment. To reduce computation time and give a better spatial coherence we narrow the area of search and give weights for each feature to emphasize texture descriptors. To give a more natural result we use an optimization algorithm to make the color propagation. Experimental results in several image sequences, c ompared to others existing methods, demonstrates that the proposed method perform a better colorization with less time and user interference. (More)

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Paper citation in several formats:
Ramos, A. and Flores, F. (2019). Colorization of Grayscale Image Sequences using Texture Descriptors. In Proceedings of the 14th International Joint Conference on Computer Vision, Imaging and Computer Graphics Theory and Applications (VISIGRAPP 2019) - Volume 4: VISAPP; ISBN 978-989-758-354-4; ISSN 2184-4321, SciTePress, pages 303-310. DOI: 10.5220/0007252203030310

@conference{visapp19,
author={Andre Peres Ramos. and Franklin Cesar Flores.},
title={Colorization of Grayscale Image Sequences using Texture Descriptors},
booktitle={Proceedings of the 14th International Joint Conference on Computer Vision, Imaging and Computer Graphics Theory and Applications (VISIGRAPP 2019) - Volume 4: VISAPP},
year={2019},
pages={303-310},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0007252203030310},
isbn={978-989-758-354-4},
issn={2184-4321},
}

TY - CONF

JO - Proceedings of the 14th International Joint Conference on Computer Vision, Imaging and Computer Graphics Theory and Applications (VISIGRAPP 2019) - Volume 4: VISAPP
TI - Colorization of Grayscale Image Sequences using Texture Descriptors
SN - 978-989-758-354-4
IS - 2184-4321
AU - Ramos, A.
AU - Flores, F.
PY - 2019
SP - 303
EP - 310
DO - 10.5220/0007252203030310
PB - SciTePress