Documents often exhibit various forms of degradation, which make it hard to be read and
substantially deteriorate the performance of an OCR system. In this paper, we propose an …

This paper proves that Otsu threshold is equal to the average of the mean levels of two
classes partitioned by this threshold. Therefore, when the within-class variances of two …

Segmentation of text from badly degraded document images is a very challenging task due
to the high inter/intra-variation between the document background and the foreground text of …

Adaptive binarization methods play a central role in document image processing. In this
work, an adaptive and parameterless generalization of Otsu's method is presented. The …

Clustering algorithms have successfully been applied as a digital image segmentation
technique in various fields and applications. However, those clustering algorithms are only …

This paper proposes an integrated water body mapping method with HJ-1A/B satellite
imagery, the CCD (charge coupled device) data of the Chinese environmental satellites that …

We present a new method in image segmentation that is based on Otsu's method but
iteratively searches for subregions of the image for segmentation, instead of treating the full …

The Qingjiang River Basin, which is 423 km long in the Hubei province, China, is the first
large tributary of the Yangtze River below the Three Gorges. The Qingjiang River Basin …

In this work, a multi-scale binarization framework is introduced, which can be used along
with any adaptive threshold-based binarization method. This framework is able to improve …

Otsu's method is a classic thresholding approach in image segmentation. While the two-
dimensional (2D) Otsu's method performs better than the original one in segmenting images …