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SCALESPACE
2009
Springer
15 years 8 months ago
On Semi-implicit Splitting Schemes for the Beltrami Color Flow
The Beltrami flow is an efficient non-linear filter, that was shown to be effective for color image processing. The corresponding anisotropic diffusion operator strongly couple...
Lorina Dascal, Guy Rosman, Xue-Cheng Tai, Ron Kimm...
PR
2002
129views more  PR 2002»
15 years 1 months ago
Text extraction in complex color documents
Text extraction in mixed-type documents is a pre-processing and necessary stage for many document applications. In mixed-type color documents, text, drawings and graphics appear w...
Charalambos Strouthopoulos, Nikos Papamarkos, Anto...
ICASSP
2008
IEEE
15 years 8 months ago
SURE-LET multichannel image denoising: undecimated wavelet thresholding
We propose an extension of the recently devised SURE-LET grayscale denoising approach for multichannel images. Assuming additive Gaussian white noise, the unknown linear parameter...
Florian Luisier, Thierry Blu
ICPR
2006
IEEE
16 years 3 months ago
A Robust Split-and-Merge Text Segmentation Approach for Images
In this paper we describe a robust approach to segment text from color images. The proposed approach mainly includes four steps. Firstly, a preprocessing step is utilized to enhan...
Weiqiang Wang, Wen Gao, Yaowen Zhan
ICPR
2002
IEEE
16 years 3 months ago
Robust Text Detection from Binarized Document Images
Many document images are rich in color and have complex background. To detect text from them, a standard approach utilizes both color and binary information. This often leads to t...
Oleg Okun, Yu Yan, Matti Pietikäinen