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Grayscale Image Segmentation Using Color Space
Takahiko HORIUCHI
Publication
IEICE TRANSACTIONS on Information and Systems
Vol.E89-D
No.3
pp.1231-1237 Publication Date: 2006/03/01 Online ISSN: 1745-1361
DOI: 10.1093/ietisy/e89-d.3.1231 Print ISSN: 0916-8532 Type of Manuscript: PAPER Category: Image Recognition, Computer Vision Keyword: image segmentation, color space, grayscale image, region growing,
Full Text: PDF(4.7MB)>>
Summary:
A novel approach for segmentation of grayscale images, which are color scene originally, is proposed. Many algorithms have been elaborated for a grayscale image segmentation. All those approaches have been discussed in a luminance space, because it has been considered that grayscale images do not have any color information. However, a luminance value has color information as a set of corresponding colors. In this paper, an inverse mapping of luminance values is carried out to CIELAB color space, and the image segmentation for grayscale images is performed based on a distance in the color space. The proposed scheme is applied to a region growing segmentation and the performance is verified.
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