Proceedings Eighth International Workshop on Frontiers in Handwriting Recognition

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Slant correction of handwritten strings based on structural properties of Korean characters
Proceedings Eighth International Workshop on Frontiers in Handwriting Recognition - - Trang 467-472
Daekeun You, Gyeonghwan Kim
A slant correction method for handwritten Korean strings based on analysis of stroke distribution, which reflects structural properties of Korean characters, is presented in this paper. The method aims to deal with typical problems which have been frequently observed in slant correction of handwritten Korean strings with conventional approaches developed for English/European languages. Extracted s...... hiện toàn bộ
#Natural languages #Handwriting recognition #Frequency #Electrical capacitance tomography #Electronic switching systems #Conferences #Statistical analysis
Writer identification by writer's invariants
Proceedings Eighth International Workshop on Frontiers in Handwriting Recognition - - Trang 274-279
A. Bensefia, A. Nosary, T. Paquet, L. Heutte
This communication deals with the problem of writer identification. If the assumption of writing individuality is true then graphical fragments that constitute it should be individual too. Therefore we propose a morphological grapheme based analysis to make writer identification. Template Matching is the core of the approach. The redundancy of the individual patterns in a writing, defined as the w...... hiện toàn bộ
#Writing #Testing #Handwriting recognition #Feature extraction #Fingerprint recognition #Genetics #Technical drawing #Noise reduction #Noise measurement #Conferences
Baseline estimation for Arabic handwritten words
Proceedings Eighth International Workshop on Frontiers in Handwriting Recognition - - Trang 479-484
M. Pechwitz, V. Margner
Baseline information has been used for diverse purposes in handwriting research. The baseline represents a first orientation in a word and it is often a precondition for subsequent algorithms, including preprocessing tasks, segmentation and feature extraction for recognition systems. Approaches based on the horizontal projection histogram are used for Arabic printed text but they are ill-suited fo...... hiện toàn bộ
#Writing #Feature extraction #Handwriting recognition #Image recognition #Skeleton #Character recognition #Communications technology #Histograms #Linear regression #Algorithm design and analysis
Script and nature differentiation for Arabic and Latin text images
Proceedings Eighth International Workshop on Frontiers in Handwriting Recognition - - Trang 309-313
S. Kanoun, A. Ennaji, Y. Lecourtier, A.M. Alimi
A method for Arabic and Latin text block differentiation for printed and handwritten scripts is proposed. This method is based on a morphological analysis for each script at the text block level and a geometrical analysis at the line and the connected component level. In this paper, we present a brief survey, of existing methods used for scripts differentiation as well as a general characteristics...... hiện toàn bộ
#Text analysis #Handwriting recognition #Laboratories #Machine intelligence #Optical character recognition software #Natural languages #Optical devices #Optical sensors #Conferences #Feature extraction
Class-confidence critic combining
Proceedings Eighth International Workshop on Frontiers in Handwriting Recognition - - Trang 201-206
M. Aksela, R. Girdziugas, J. Laaksonen, E. Oja, J. Kangas
This paper discusses a combination of two techniques for improving the recognition accuracy of on-line handwritten character recognition: committee classification and adaptation to the user. A novel adaptive committee structure, namely the class-confidence critic combination (CCCC) scheme, is presented and evaluated. It is shown to be able to improve significantly on its member classifiers. Also t...... hiện toàn bộ
#Conferences #Handwriting recognition
Automatic detection of handwriting forgery
Proceedings Eighth International Workshop on Frontiers in Handwriting Recognition - - Trang 264-267
Sung-Hyuk Cha, C.C. Tappert
We investigated the detection of handwriting forgery by both human and machine. We obtained experimental handwriting data from subjects writing samples in their natural style and writing forgeries of other subjects' handwriting. These handwriting samples were digitally scanned and stored in an image database. We investigated the ease of forging handwriting, and found that many subjects can success...... hiện toàn bộ
#Forgery #Writing #Fractals #Feature extraction #Humans #Shape #Testing #Length measurement #Size measurement #Spatial databases
Multidimensional multistage k-NN classifiers for handwritten digit recognition
Proceedings Eighth International Workshop on Frontiers in Handwriting Recognition - - Trang 19-23
I. Soraluze, C. Rodriguez, F. Boto, A. Perez
This paper analyses the application of multistage classifiers based on the k-NN rule to the automatic classification of handwritten digits. The discriminating capacity of a k-NN classifier increases as the size and dimensionality of the reference pattern set (RPS) increases. This supposes a problem for k-NN classifiers in real applications: the high computational cost required. In order to acceler...... hiện toàn bộ
#Multidimensional systems #Handwriting recognition #Computational efficiency #Acceleration #Testing #NIST #Image databases #Spatial databases #Computer architecture #Computer science
Đánh giá các tập đặc trưng cho nhận diện từ viết tay Dịch bởi AI
Proceedings Eighth International Workshop on Frontiers in Handwriting Recognition - - Trang 446-450
J.J. de Oliveira, J.M. de Carvalho, C.O. de A Freitas, R. Sabourin
Bài báo này trình bày một hệ thống cơ bản được sử dụng để đánh giá các tập đặc trưng cho việc nhận diện từ. Mục tiêu chính là xác định một tập đặc trưng tối ưu để đại diện cho các tên được viết tay cho các tháng trong năm bằng tiếng Bồ Đào Nha Brazil. Ba loại đặc trưng đã được đánh giá: đặc trưng cảm nhận, đặc trưng hướng và đặc trưng hình thái. Đánh giá cho thấy, khi được xem xét riêng lẻ, tập đặ...... hiện toàn bộ
#Nhận diện chữ viết tay #Cơ sở dữ liệu hình ảnh #Trích xuất đặc trưng #Con người #Nhận diện giọng nói #Hiệu suất hệ thống #Hình dạng #Lọc #Hội nghị #Viết
On line signature verification: Fusion of a Hidden Markov Model and a neural network via a support vector machine
Proceedings Eighth International Workshop on Frontiers in Handwriting Recognition - - Trang 253-258
M. Fuentes, S. Garcia-Salicetti, B. Dorizzi
We propose in this work to perform on-line signature verification by the fusion of two complementary verification modules. The first one considers a signature as a sequence of points and models the genuine signatures of a given signer by a Hidden Markov Model (HMM). Forgeries are used to compute a decision threshold. In the second module, global parameters of a signature are the inputs of a two-cl...... hiện toàn bộ
#Handwriting recognition #Hidden Markov models #Neural networks #Forgery #Support vector machines #Databases #Biometrics #Performance evaluation #Automatic testing #System testing
An algorithm for online strokes verification of Chinese characters using discrete features
Proceedings Eighth International Workshop on Frontiers in Handwriting Recognition - - Trang 339-344
Chwee Keng Tan
Existing Chinese educational software tools teach the students at the primary or kindergarten levels the stroke movements and stroke order of each Chinese character by animating the individual strokes of the whole character, one stroke at a time. In this paper the author presents an algorithm which allows the student to hand-write a specified character online through the computer, and which checks...... hiện toàn bộ
#Writing #Computer errors #Testing #Feedback #Character recognition #Software tools #Animation #Software prototyping #Algorithm design and analysis #Software performance
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