Name card image enhancement and restoration for text recognition

... NAME CARD IMAGE ENHANCEMENT AND RESTORATION FOR TEXT RECOGNITION ZHANG JIE (B.Sc.(Hons.), NUS) A THESIS SUBMITTED FOR THE DEGREE OF MASTER OF SCIENCE DEPARTMENT ... collect a large amount of name cards every day They scan name cards, perform OCR operation, and transfer images into editable text Figure 1.1 Scan pen (left) and name card scanner (right) These pr...

Ngày tải lên: 26/11/2015, 22:39

... this article as: Wang et al.: A scale-based forward -and- backward diffusion process for adaptive image enhancement and denoising EURASIP Journal on Advances in Signal Processing 2011 2011:22 Page ... camera and tripod This example clearly illustrates that the scale-based classification map readily indicate locations of highly homogeneous, detail and edge regions 3.2...

Ngày tải lên: 21/06/2014, 02:20

... based on fuzzy morphological operators specially designed for mode detection (see Section 4) SPATIAL -COLOR COMPACTNESS FUNCTION OF A COLOR IMAGE A color image can be described by the spatial -color ... the colors of the pixels and ignores their spatial location in the image So, in case of nonuniform lighting, the histogram is not always a relevant tool for color im...

Ngày tải lên: 21/06/2014, 22:20

... Dynamical Downscaling 2.1.2 Statistical Downscaling 2.2 East Asia and its Climate 2.2.1 East Asian Summer Monsoon 2.2.2 East Asian Winter Monsoon 2.3 Statistical Methods 2.3.1 ... predictors for local precipitation values (Simon et al., 2013a) BACKGROUND 2.2 East Asia and its Climate There are two monsoon systems influencing the climate in East Asia During su...

Ngày tải lên: 25/11/2015, 15:21

... images instead of text files In this context, one can swipe regions of the image to create a selection, and assign features to the selection Since stand-off annotation is used for both text and ... embedding of segments Annotated texts are stored using stand-off XML, one file per source text and layer See Figure for a sample The software does not currently input...

Ngày tải lên: 20/02/2014, 09:20

... sharpening and data fusion This dissertation continues this trend of gradient domain image enhancement and offers three contributions in this area Our first contribution is focused on enhancing images ... Introduction within a gradient domain context and have offered three major contributions in this area Two of them target new applications of gradient domain processing...

Ngày tải lên: 10/09/2015, 09:30

... typing interface difficult or impossible to use for the most impaired users Simpler interactions via brain-computer interfaces (BCI) hold much promise for effective text communication for these ... symbols is removed and, like before, the user can take a break and then the system continues with the next epoch Language Modeling Language modeling is important for many text...

Ngày tải lên: 20/02/2014, 05:20

... two approaches using unlabeled data in text categorization; one approach combines unlabeled data and labeled data, and the other approach uses the clustering technique for text categorization ... to Classify Text from Labeled and Unlabeled Documents, In Proc of AAAI-98 K P Nigam, 2001, Using Unlabeled Data to Improve Text Classification, The dissertation...

Ngày tải lên: 20/02/2014, 16:20

... describing discourse markers is a dedicated lexicon that provides a classification of their syntactic, semantic and pragmatic features and characterizes the relationships between similar markers ... whereas function words are treated as a part of grammar For dealing with discourse markers, we not regard this distinction as particularly helpful, though As we have ill...

Ngày tải lên: 20/02/2014, 18:20

... Jayant Image Processing Technologies: Algorithms, Sensors, and Applications, edited by Kiyoharu Aizawa, Katsuhiko Sakaue and Yasuhito Suenaga Medical Image Processing, Reconstruction and Restoration: ... Restoration: Concepts and Methods, Jirí Jan ˇ Multi-Sensor Image Fusion and Its Applications, edited by Rick Blum and Zheng Liu Advanced Image Processing in M...

Ngày tải lên: 06/03/2014, 12:20

... X-ray image, and that is the target for research The aim of image processing and image segmentation is to autodetect tuberculosis cavities, which is one of the most difficult tasks in image processing ... X-ray image, and that is the target for research In spite of the characteristic noise, the lowpass filter and high-pass filter could not directly reveal tuberculosis cavities...

Ngày tải lên: 15/03/2014, 03:20

... creating summaries for news documents However, those results also raised questions about leading text We wanted to better understand the value of leading texts as general purpose news document summaries ... suggested for leading text, and to determine whether there are easily definable indicators of where leading text extracts fare poorly as general purpose news doc...

Ngày tải lên: 17/03/2014, 07:20

... OI, and OO, two with in -domain seed Corresponding to a 100 iterations of 30 sentences each (II, IO) and two with out -of -domain seed (OI, OO), examining in -domain self-training (II, OI) and outof -domain ... -5.7% Table 3: Reduction of the number of manually annotated constituents needed for achieving f score value of 80 on section 23 of the WSJ In all cases the s...

Ngày tải lên: 23/03/2014, 18:20

... Algorithms for Image Processing and Computer Vision Second Edition Algorithms for Image Processing and Computer Vision Second Edition J.R Parker Wiley Publishing, Inc Algorithms for Image Processing ... j width; j++) { k=( (image- >imageData+i *image- >widthStep)[j *image- >nChannels+0] + (image- >imageData+i *image- >widthStep)[j *image- >nChannels+1] + (i...

Ngày tải lên: 28/04/2014, 15:47

... on video coding on timehonored topic of securing image information Signal Processing for Image Enhancement and Multimedia Processing is designed for a professional audience composed of practitioners ... systems capabilities of efficiently exchanging image data and extracting useful knowledge from them Signal Processing for Image Enhancement and Multimedia Processing...

Ngày tải lên: 05/06/2014, 12:05