نتایج جستجو برای: document image analysis
تعداد نتایج: 3209544 فیلتر نتایج به سال:
Document image compression is used for speedy communication over the network. In the context of document image compression most of the work is done for printed textual images. But compression of handwritten text images, very small work is reported. The textual form of images is different from the conventional form of images. Document image analysis and compression used for preserving, storing a...
Forensic document examination plays an important role in providing the evidence to the court related to disputed documents. Emerging print technologies are posing challenges to document examiner in identification of source of document. Recent trends suggest the need for good preprocessors and post analysing tools which characterize printed text for identification of print technology. Each print...
We consider the task of content based analysis and categorization in large-scale historical book scanning projects. Mixed content, deprecated language, noise and unexpected distortions suggest an image based approach. The use of keypoint extractors combined with the bag of features approach is applied to scanned text documents. In order to incorporate spatial information into the bag of feature...
A configurable archive document image analysis system for digital library construction has been designed using rapid prototyping and top-down iterative development methods. This approach has been found to be essential in order to capture the curators’ expertise about existing card archive structures, content and databases. The design currently achieves about 93% correct segmentation of the requ...
Title of dissertation: EFFICIENT MACHINE LEARNING METHODS FOR DOCUMENT IMAGE ANALYSIS Jayant Kumar, Doctor of Philosophy, 2013 Dissertation directed by: Professor Larry Davis Department of Computer Science Dr. David Doermann University of Maryland Institute for Advanced Computer Studies With the exponential growth in volume of multimedia content on the internet, there has been an increasing int...
MoireH patterns are distortions on the results of scanning printed documents. However, the patterns can be utilized in document image segmentation and quality improvement. The moireH phenomenon comes from sampling periodical structures in images, such as halftone screens, color components, and text galleys which often appear in printed magazines and newspapers. The generated moireH patterns app...
We introduce an iterative approach to recognizing two-dimensional grammatical structure within digital images, which we term “turbo recognition.” Inspired by the success of turbo decoding for channel coding of one-dimensional sequences, we develop a recognition scheme for images based on two independent views of the same underlying message. These correspond to two independent image sources, one...
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