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(PDF) Dewarping of document images using coupled-snakes
This paper proposes a segment-free method for geometric rectification of a distorted document image captured by a hand-held camera. The method can recover the 3D page shape by exploiting the ...
USING A STATISTICAL LANGUAGE MODEL TO IMPROVE THE ...
Another novel feature of the system is that the HMM is applied in such a way that the difficult problem of segmenting a line of text into individual words is avoided. ... A novel method for de-warping in Persian document images captured by cameras. Hadi Dehbovid, Farbod Razzazi and Shapour Alirezaii ... Evaluation of Classical and Novel ...
Geometric rectification of document images using ...
Tan et al. further extended such method by first designing 3D geometric model and 3D optical model to reconstruct the 3D shape of the book surface, and then using de-shading and de-warping models to restore the scanned document images. However, we have to point out that these methods can hardly be used to handle distorted documents captured ......
Image dewarping and text extraction from mobile captured ...
Figure 11: Sample Database The resolution of the image captured from the mobile camera is 960 X 1280. The size of each image captured varies from 60 - 80Kb. The variations of text present in the images captured will be due to variations in size, style, orientation, and alignment, as well as low image contrast and complex background....
Rectifying the bound document image captured by the camera ...
Digital cameras have become almost ubiquitous and their use for fast and casual capturing of natural images is unchallenged. For making images of documents, how-ever, they have not caught up to flatbed scanners yet, mainly because camera images tend to suffer from distortion due to the perspective and are therefore limited in their further use for archival or OCR....
 Image dewarping and text extraction from mobile captured ...
captured document images. It is the primary factor that makes such kind of document images hard to be recognized. Therefore it is necessary to restore warped document images before recognition. This paper presents a novel methodology to dewarp text from camera-captured warped images by co-ordinate transform model ....
Document rectification and illumination correction using a ...
We propose a novel learning method to rectify document images with various distortion types from a single input image. As opposed to previous learning-based methods, our approach seeks to first learn the distortion flow on input image patches rather than the entire image....
Document Rectification and Illumination Correction using a ...
Document Rectification and Illumination Correction using a Patch-based CNN. 09/20/2019 ∙ by Xiaoyu Li, et al. ∙ 6 ∙ share . We propose a novel learning method to rectify document images with various distortion types from a single input image.
A Gated and Bifurcated Stacked U-Net Module for Document ...
A Gated and Bifurcated Stacked U-Net Module for Document Image Dewarping. 07/20/2020 ∙ by Hmrishav Bandyopadhyay, et al. ∙ IEEE ∙ 0 ∙ share . Capturing images of documents is one of the easiest and most used methods of recording them.
US20180012268A1 - System and methods of an expense ...
The need for efficient image repair methods is essential as the digital images of the business documents of all types, often are taken in poor conditions, especially when captured via a mobile device camera. Moreover, no matter how good cameras are, an image improvement is always desirable to extend the range of action or analysis....
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