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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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Proceedings ArticleDOI
An Unconstrained Benchmark Urdu Handwritten Sentence Database with Automatic Line Segmentation
TL;DR: A novel off-line sentence database of Urdu handwritten documents along with a few preprocessing and text line segmentation procedures are presented and announced.
Journal ArticleDOI
Adaptive binarization of severely degraded and non-uniformly illuminated documents
TL;DR: The proposed method has four steps: contrast analysis, which calculates the local contrast threshold; contrast stretching, thresholding by computing global threshold; and noise removal to improve the quality of binarized image.
Journal ArticleDOI
Comparison of Choroidal Vascularity Markers on Optical Coherence Tomography Using Two-Image Binarization Techniques
Xin Wei,Shozo Sonoda,Chitaranjan Mishra,Neha Khandelwal,Ramasamy Kim,Taiji Sakamoto,Rupesh Agrawal,Rupesh Agrawal +7 more
TL;DR: There was discrepancy between measurements of choroidal vascularity using two commonly adopted image binarization techniques, and it remained unclear what was the true choroid vascularity and whichbinarization algorithm was more accurate.
Journal ArticleDOI
Volume and forest cover estimation over southern Sweden using AVHRR data calibrated with TM data
Z. Fazakas,Mats Nilsson +1 more
TL;DR: In this article, an approach to extend field information across large regions is presented and validated, where total wood volume and volume for different tree-species were estimated in a calibration area using field data, digital map information and a partial Landsat Thematic Mapper (TM) scene.
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