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논문 기본 정보

자료유형
학술저널
저자정보
Jianming Wang (Dali University) Xiao Jiang (Dali University) Yuhang Zhang (Dali University) Jiting Yin (Dali Forestry and Grassland Science Research Institute) Zizhong Yang (Dali University)
저널정보
Korean Institute of Information Scientists and Engineers Journal of Computing Science and Engineering Journal of Computing Science and Engineering Vol.18 No.2
발행연도
2024.6
수록면
93 - 115 (23page)
DOI
10.5626/JCSE.2024.18.2.93

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초록· 키워드

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At present, automatic image matting methods primarily focus on portraits and hard edge targets, which gives them a limited ability to deal with low-resolution, complex, and blurred non-portrait targets. To address these issues, the current paper proposes an automatic image matting method called TGMatting. This method automatically optimizes Trimap generation through three modules: the U²S-Net pre-segmentation module, which is based on the U²-Net network, enhances segmentation by removing null convolutions and reducing oversampling interference; the BGTrimap module, which is also based on U²-Net, refines edge regions using optimized dilation-erosion methods and Manhattan distance for seed point sparsification, thus ensuring accurate region growth and background information removal; and in the last module, edges are transformed into mixed-pixel regions using Sobel operator and non-local-means denoising binarization, and a Trimap map is automatically generated by combining OTSU segmentation with pre-segmentation results, thus achieving fully automated processing. Finally, a transparency mask is obtained via FBAMatting, which enables interaction-
free automatic matting. The experimental results demonstrate that the improved U²S-Net network reduces MAE by 0.003 on the SOD-Spider test set, enhances accurate detection of significant regions in low-resolution images compared to U²S-Net, and reduces BGTrimap"s sum of absolute difference value by about 10% compared to other Trimap generation methods in IFMatting and KNN Matting.

목차

Abstract
I. INTRODUCTION
II. TGMATTING AUTOMATIC MATTING METHOD
III. EXPERIMENTAL RESULTS AND ANALYSES
IV. CONCLUSION
REFERENCES

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