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ICDAR
2003
IEEE
14 years 4 months ago
Directional Wavelet Approach to Remove Document Image Interference
In this paper, we propose a directional wavelet approach to remove images of interfering strokes coming from the back of a historical handwritten document due to seeping of ink du...
Qian Wang, Tao Xia, Chew Lim Tan, Lida Li
ICIP
2009
IEEE
14 years 12 months ago
Adaptive Directional Wavelet Transform Using Pre-directional Filtering
This paper proposes a computationally efficient approach of adaptive directional wavelet transform (AD WT). The AD WT is based on lifting implementation of WT, and it is able to t...
ICIP
2008
IEEE
15 years 19 days ago
A new combination of 1D and 2D filter banks for effective multiresolution image representation
In this paper, an effective multiresolution image representation using the combination of 2D quincunx filter bank (FB) and directional wavelet transform (WT) is presented. The pro...
Yuichi Tanaka, Masaaki Ikehara, Truong Q. Nguyen
CVPR
2003
IEEE
15 years 28 days ago
Document Image Enhancement Using Directional Wavelet
This paper proposes a novel algorithm to clean up a large collection of historical handwritten documents kept in the National Archives of Singapore. Due to the seepage of ink over...
Qian Wang, Tao Xia, Lida Li, Chew Lim Tan