Title :
Numeral recognition using curvelet transform
Author :
Kazemi, Farhad Mohamad ; Izadian, Jalaleddin ; Moravejian, Reihane ; Kazemi, Ehsan Mohamad
Author_Institution :
Payame Noor Univ., Tehran
fDate :
March 31 2008-April 4 2008
Abstract :
This paper proposes the performance of two new algorithms for digit recognition. These recognition systems are based on extracted features on the performance of image\´s curvelet transform & achieving standard deviation and entropy of curvelet coefficients matrix in different scales & various angels. In addition, the proposed recognition systems are obtained by using different scales information as feature vector. So, we could clarify the most important scales in aspect of having useful information .Finally by employing the Knn classifier we classify them into predefined classes. The classifier was trained and test with handwritten numeral database, MNIST The results of this test shows, that our correct recognition rate in "curvelet transform+ standard deviation" algorithm is 93% and in "curvelet transform+ entropy" algorithm is 82%.
Keywords :
curvelet transforms; entropy; feature extraction; optical character recognition; pattern classification; Knn classifier; curvelet coefficients matrix; curvelet transform; digit recognition; entropy; feature vector; numeral recognition; Character recognition; Entropy; Feature extraction; Handwriting recognition; Neural networks; Optical character recognition software; Pattern classification; Pattern recognition; Spline; Testing;
Conference_Titel :
Computer Systems and Applications, 2008. AICCSA 2008. IEEE/ACS International Conference on
Conference_Location :
Doha
Print_ISBN :
978-1-4244-1967-8
Electronic_ISBN :
978-1-4244-1968-5
DOI :
10.1109/AICCSA.2008.4493593