Motion deblurring for optical character recognition

... MOTION DEBLURRING FOR OPTICAL CHARACTER RECOGNITION QI XING YU A THESIS SUBMITTED FOR THE DEGREE OF MASTER OF SCIENCE DEPARTMENT OF COMPUTER ... image Motion blur will severely affect the performance of optical character recognition (OCR) results on blurred document images Here OCR is the recognition of printed or written text characters ... Images Assuming Uniform Lin...

Ngày tải lên: 26/11/2015, 12:55

... and space characters image In total, we have 690 sample data for each font without noise Target data: 114 lowercase Vietnamese character “Arial” font and space character Table 2: Results for Neural ... process for ANN recognition method as shown in figure [2]: First is analyzing image for characters than convert symbols to pixel matrices Second step is retrieving corresponding...

Ngày tải lên: 06/03/2014, 02:20

... noise reduction The conception of the noise image: The noise image is the phenomenon which the random image points of the images are effected by outside factors Therefore, they’ll creat image points ... chart, there are some top expressing the objects of the image The documentary image has top The first top will express characters, the other will express the...

Ngày tải lên: 12/04/2014, 15:39

Ngày tải lên: 25/03/2015, 10:01

... of discrete orthogonal moments including Tchebichef moments and Krawtchouk moments Our HMMs-based recognition approach combining discrete orthogonal moments for off-line handwritten character recognition ... the discrete orthogonal polynomials and discrete orthogonal moments, followed by Tchebichef moments and Krawtchouk moments on discrete 2...

Ngày tải lên: 24/04/2014, 13:02

... diagram of an example agent Agent A1 and its partition of feature space Agent A2 and its partition of feature space Agent A3 and its partition of feature space Agent A4 and its partition of feature ... coordinates and the corresponding 16-direction chaincodes Some test images of ETL9B database (left) and CASIA database (right) Sample dates handwritten on standard Canadian bank...

Ngày tải lên: 05/06/2014, 12:03

... Dance -the- Music: an educational platform for the modeling, recognition and audiovisual monitoring of dance steps using spatiotemporal motion templates Pieter-Jan Maes∗ , Denis Amelynck and ... described in the remaining part of this section on the technical design of the Dance -the- Music 3.3 Dance figure recognition The recognit...

Ngày tải lên: 21/06/2014, 19:20

... P Bellini and P Nessi, “WEDELMUSIC format: and XML music notation format for emerging applications,” in Proceedings of the 1st International Conference on WEB Delivering of Music (WEDELMUSIC ... lines Then, a moving window is employed to track the lines and remove them The details of the process are explained through this section To begin tracking the staff lines, a reference point fo...

Ngày tải lên: 21/06/2014, 20:20

... introduces the proposed feature extraction schemes Mainly, they include motion representation through motion estimation, telescopic vector composition, motion residuals, and polar accumulated differences ... coding Feature vector (a) Time-dependent feature extraction In this approach, the motion vectors of each two successive images are estimated and split i...

Ngày tải lên: 22/06/2014, 19:20

... 2002 Toward a unified approach to statistical language modeling for Chinese ACM Transaction on Asian Language Information Processing, 1(1): 3–3 3 Jianfeng Gao, Mu Li, Andi Wu, and Chang-Ning Huang 2004 ... to increase total path probability mass This can be amended by involving the discriminative language model adaptation in the iteration, which results in a unified langu...

Ngày tải lên: 20/02/2014, 07:20

... performing the clustering with a vocabulary that is large enough to cover the many named entities required to improve the accuracy of NER is difficult We enabled such large-scale clustering by ... left-most longest heuristics for the case of the c500k-2k gazetteer A comparison of the effect of these gazetteers is shown in Table The performance is measured by the F-measu...

Ngày tải lên: 20/02/2014, 09:20

... entity For 98.0% of the named entities in the training data of the shared task in the 2004 JNLPBA, the label of the preceding entity was “O” Reduction of Training/Inference Cost The straightforward ... Since the preceding entity is not necessarily adjacent to the current entity, we achieve this by embedding the information on preceding labels for name...

Ngày tải lên: 20/02/2014, 12:20

... empirical study of smoothing techniques for language modeling Computer Speech and Language, 13:359–394 Joshua T Goodman 2001 A bit of progress in language modeling Computer Speech and Language, 15:403–434 ... N-gram language models are then trained separately on the in-domain text and the the filtered web text If the amount of web text is very large, only a subset i...

Ngày tải lên: 22/02/2014, 02:20

... 5¢-d(GGATGTCCATATTA GGACAT)-3¢ reproduces the sequence of the SRF recognition element of the c- fos enhancer [2,27] The mutants SREGfos 5¢-d(GGATGTgCATATTAGGACAT)-3¢ and SREGGfos 5¢-d(GGATGTggATATTAGGACAT)-3¢ ... a restricted range of conformational space Thus, for the CArG box of SREGGfos, the rigid G) 4A)3 step inhibits (by mechanical locking) the local fre...

Ngày tải lên: 07/03/2014, 09:20

... Vietnamese handwritten recognition [9, 23] on both aspects of feature extraction and classifier combination Feature extraction 4.1 Gradient feature extraction The method of gradient feature extraction ... sets as well as the GSC feature set separately Fig Feature of concavity and hole Classifier combination strategies 5.1 Architecture of Multi -Classifier...

Ngày tải lên: 14/03/2014, 13:20