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An introduction to digital image processing
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The article was published on 1986-01-01 and is currently open access. It has received 1745 citations till now. The article focuses on the topics: Digital image processing & Image processing.read more
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Journal ArticleDOI
Application of threshold techniques for readability improvement of jawi historical manuscript images
TL;DR: In this article, three binarization techniques, Otsu's method represents global threshold technique, Sauvola and Niblack method which are categorized as local threshold techniques, were applied to produce a copy of manuscript that shows clear wordings so they can easily be read and the copy can also be displayed for visitors.
Journal ArticleDOI
Automatic gang graffiti recognition and interpretation
TL;DR: An integrated mobile-based system capable of using location-based services, combined with image analysis, to track and analyze gang activity through the acquisition, indexing, and recognition of gang graffiti images is described.
Journal ArticleDOI
Extracting Maya Glyphs from Degraded Ancient Documents via Image Segmentation
TL;DR: Experimental results show that the automatically extracted hieroglyph strokes achieve comparable retrieval results to those obtained using glyphs manually segmented by epigraphers in the team.
Proceedings ArticleDOI
Historical document enhancement using Shearlet Transform and mathematical morphological operations
Ranganatha D,Ganga Holi +1 more
TL;DR: The proposed technique is efficient to tolerate the high inter and intra intensity variation in the degraded document image and proved better in enhancing degraded documents images.
Proceedings ArticleDOI
A Tsallis-Entropy Image Thresholding Method Based on Two-Dimensional Histogram Obique Segmentation
Xiaoguang Tian,Xiaorong Hou +1 more
TL;DR: A new technique that image threshold value by 2-D Tsallis-entropy obique segmentation based on MIKL is applied, achieving better effect wherever in the document or conventional image segmentation.
Related Papers (5)
Survey over image thresholding techniques and quantitative performance evaluation
Mehmet Sezgin,Bulent Sankur +1 more