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Magnifying Binary Image based on Morphology

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3 Author(s)
Yajuan Wu ; Sichuan Univ., Chengdu ; Minghui Wang ; Xiaofeng Liu

When a binary image is magnified, many jaggy corners are generated from traditional interpolated methods. In this paper, an interpolated method using mathematical morphology is presented. After magnifying the original image using nearest neighbor interpolation, jaggy corners that have different shapes are mined and stored in a matrix named Corners. Then colors of pixels listed in Corners and their neighboring pixels are changed. Thus, jaggy corners in the image are eliminated and the visual quality of the image is improved sufficiently.

Published in:

Image and Graphics, 2007. ICIG 2007. Fourth International Conference on

Date of Conference:

22-24 Aug. 2007