1 |
Combined top-down and bottom-up algorithms for using context in text recognitionBouchard, Diana C. January 1979 (has links)
No description available.
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2 |
A hybrid learning system with a hierarchical architecture for pattern classification /Atukorale, Don Ajantha Sanjeewa. January 2002 (has links) (PDF)
Thesis (Ph. D.)--University of Queensland, 2002. / Includes bibliographical references.
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Synchronization opponent networks : dynamics, computation, and coding for similarity and object recognition /DeMaris, David Lee. January 2001 (has links)
Thesis (Ph. D.)--University of Texas at Austin, 2001. / Vita. Includes bibliographical references (leaves 309-327). Available also in a digital version from Dissertation Abstracts.
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Efficient co-location pattern discovery /Xiao, Xiangye. January 2009 (has links)
Includes bibliographical references (p. 114-126).
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Artificial training samples for the improvement of pattern recognitionsystemsNi, Zhibo., 倪志博. January 2012 (has links)
Pattern recognition is the assignment of some sort of label to a given input value
or instance, according to some specific learning algorithm. The recognition
performance is directly linked with the quality and size of the training data.
However, in many real pattern recognition implementations, it is difficult or not so
convenient to collect as many samples as possible for training up the classifier,
such as face recognition or Chinese character recognition.
In view of the shortage of training samples, the main object of our research is to
investigate the generation and use of artificial samples for improving the
recognition performance. Besides enhancing the learning, artificial samples are
also used in a novel way such that a conventional Chinese character recognizer
can read half or combined Chinese character segments. It greatly simplifies the
segmentation procedure as well as reduces the error introduced by segmentation.
Two novel generation models have been developed to evaluate the effectiveness
of supplementing artificial samples in the training. One model generates artificial
faces with various facial expressions or lighting conditions by morphing and
warping two given sample faces. We tested our face generation model in three
popular 2D face databases, which contain both gray scale and color images.
Experiments show the generated faces look quite natural and they improve the
recognition rates by a large margin.
The other model uses stroke and radical information to build new Chinese
characters. Artificial Chinese characters are produced by Bezier curves passing
through some specified points. This model is more flexible in generating artificial
handwritten characters than merely distorting the genuine real samples, with both
stroke level and radical level variations. Another feature of this character
generation model is that it does not require any real handwritten character sample
at hand. In other words, we can train the conventional character classifier and
perform character recognition tasks without collecting handwritten samples.
Experiment results have validated its possibility and the recognition rate is still
acceptable.
Besides tackling the small sample size problem in face recognition and isolated
character recognition, we improve the performance of bank check legal amount
recognizer by proposing character segments recognition and applying Hidden
Markov Model (HMM).
It is hoped that this thesis can provide some insights for future researches in
artificial sample generation, face morphing, Chinese character segmentation and
text recognition or some other related issues. / published_or_final_version / Electrical and Electronic Engineering / Doctoral / Doctor of Philosophy
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6 |
Combined top-down and bottom-up algorithms for using context in text recognitionBouchard, Diana C. January 1979 (has links)
No description available.
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7 |
Tactile sensing : a case study of the Lord Corporation LTS-300TTaylor, Jack Rodney 08 1900 (has links)
No description available.
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The activity metric for low resource, on-line character recognitionConfer, William James January 2005 (has links) (PDF)
Thesis (Ph.D.)--Auburn University, 2005. / Abstract. Vita. Includes bibliographic references (ℓ. 97-100)
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A comparison of representations for digital simple closed curves in E²Hane, Lin. January 1984 (has links)
Thesis (M.S.)--Ohio University, August, 1984. / Title from PDF t.p.
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10 |
Syntactic models with applications in image analysis /Evans, Fiona H. January 2006 (has links)
Ph.D thesis (University of Western Australia (2006)). / Includes bibliographical references.
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