VHDL design representation and synthesis (2nd ed.)
VHDL design representation and synthesis (2nd ed.)
A Comprehensive Image Processing Suite for Book Re-mastering
ICDAR '05 Proceedings of the Eighth International Conference on Document Analysis and Recognition
Improving the Quality of Degraded Document Images
DIAL '06 Proceedings of the Second International Conference on Document Image Analysis for Libraries
Thresholding of badly illuminated document images through photometric correction
Proceedings of the 2007 ACM symposium on Document engineering
Contrast enhancement system using spatially adaptive histogram equalization with temporal filtering
IEEE Transactions on Consumer Electronics
A cost-effective line-based light-balancing technique using adaptive processing
IEEE Transactions on Image Processing
An advanced contrast enhancement using partially overlapped sub-block histogram equalization
IEEE Transactions on Circuits and Systems for Video Technology
Efficient light balancing techniques for text images in video presentation systems
IEEE Transactions on Circuits and Systems for Video Technology
RII: Renovating the irregular illumination of digital image archives
Journal of Visual Communication and Image Representation
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Content digitization transforms a source into its digital form through digital cameras or scanners. This transformation often leads to the irregular distribution of image illumination, which may distort the quality of digital images. Engineers have provided many mechanisms to solve. the degradation problem; however, these works mainly focus on dealing with full text images. In this letter, we propose a novel method to balance the illumination distribution of the transformed image. Experimental results show that the new method is capable of improving the quality of degraded text images. Particularly, unlike related works, the new method can effectively adjust the illumination distribution of a text-photo image to enhance the image quality.