Adaptive Radial Projection on Fourier Magnitude Spectrum for Document Image Skew Estimation

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• A novel skew estimation method is proposed that applies Adaptive Radial Projection on the 2D Discrete Fourier Magnitude spectrum to extract the dominant skew angle.method 95%
• A high-quality skew estimation dataset named DISE-2021 is introduced for evaluating different skew estimators.method 95%
• The proposed skew estimation method is robust and reliable.result 90%
• The proposed method outperforms all compared methods in skew estimation.result 95%
• Comprehensive analyses are provided focusing on multiple improvement aspects of Fourier-based methods.technical 90%
• The source code for the proposed method is publicly available.technical 95%

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