학술논문

Devanagari Handwritten Character Recognition using Convolutional Neural Networks
Document Type
Conference
Source
2020 International Conference on Electrical, Communication, and Computer Engineering (ICECCE) Electrical, Communication, and Computer Engineering (ICECCE), 2020 International Conference on. :1-6 Jun, 2020
Subject
Communication, Networking and Broadcast Technologies
Components, Circuits, Devices and Systems
Computing and Processing
Fields, Waves and Electromagnetics
General Topics for Engineers
Power, Energy and Industry Applications
Robotics and Control Systems
Signal Processing and Analysis
Feature extraction
Character recognition
Image segmentation
Machine learning
Neural networks
Transforms
Dataset
Devanagari
Image processing
CNN
shirorekha
Language
Abstract
Devanagari is an Indic script and forms a basis for over 100 languages spoken in India and Nepal including Hindi, Marathi, Sanskrit, and Maithili. It consists of 47 primary alphabets, 14 vowels, 33 consonants, and 10 digits. In addition, the letters of the alphabet are modified when a vowel is added to a consonant. There is no capitalization of letters, like Latin languages. The devanagari script consists of consonants and modifiers. This paper presents a system that works on a set of 29 consonants and one modifier. It uses a self-made Devanagari script dataset which comprises of 29 consonants with no header line (Shirorekha) over them. The dataset has 34604 handwritten images. Deep learning techniques are applied to extract features and recognize the characters in an image. Deep Convolutional Neural Network (DCNN) have been incorporated to extract features and classify the input images. Consecutive convolutional layers are used in this process which brings added advantage in the process of extracting higher-level features. The trained model demonstrated an accuracy of 99.65%.