Pali is considered as the language of the canon continued to be influenced by analysts and grammarians,and by the native languages of the countries like Sri Lanka,in which Therava da Buddhism became established over m...Pali is considered as the language of the canon continued to be influenced by analysts and grammarians,and by the native languages of the countries like Sri Lanka,in which Therava da Buddhism became established over many years.The Pali language has been used to write many stone inscriptions in ancient times.For ordinary travelers the recognition of the content of ancient inscriptions and some other written material are not possible.This study has focused to find a solution with a mobile application to recognize Pali characters in a user-friendly User Interface.The character recognition in real time is the most essential part of the study.Machine learning and neural networks are trending technologies adapted for handwriting recognition in some languages.But for many languages this technology has not been developed yet.Pali is one of such languages that had survived until the eighteenth century.In this study the images of Pali letters are identified through a trained Convolution Neural Network(CNN).Python and Android Studio software were used for training process and identifying letters respectively with the developed mobile application.The limited capacity and the processing power of a mobile phone makes it more challenging to run the application.Tensor Flow Lite is end to end open source platform in machine learning.Therefore,Tensor Flow Lite was used in this study.Since the Android mobile is a common equipment which everybody has in modern societies,using this Off-line Pali character Recognition mobile application the archelogy researchers and travelers can use them conveniently to understand the content written in ancient documents.展开更多
Machine embroidery is a multi-step process with many variables that govern the quality of the final product.In Sri Lanka a few large-scale factories use machine embroidery process.They import heavy and very expensive ...Machine embroidery is a multi-step process with many variables that govern the quality of the final product.In Sri Lanka a few large-scale factories use machine embroidery process.They import heavy and very expensive machines from the other countries in the world.The main disadvantage of these machines is,they are not suitable for production of small order quantities due to high cost.Also,these machines and the required software for the designing and operating process are comparatively expensive.Small scale apparel factories and domestic industrialists cannot afford the high cost of hardware and software.Besides,it requires persons with high skills for design,operation and maintenance.There are a few domestic type automated embroidery machines,but those are exorbitant.The present study aims to design and fabricate retrofit for ordinary sewing machine that is capable of performing given embroidery pattern.The retrofit comprises of an frame which can be moved in X and Y directions by three controlling motors.The design of the embroidery is converted to a G-code using GBRL software and then the microcontroller governs the movement of the frame to produce the embroidery.The retrofit designed and developed performed embroidery function and the quality of the output was checked and it was found to be satisfactory as far as first conceptual model is concerned.Further development work is required to improve user requirements and technical requirements including the increase of speed of operation which may be done with synchronization of the three motors.展开更多
Teaching and learning-related activities have embraced digital technology especially,with the current global pandemic restrictions pervaded during the last two years.On the other hand,most of the academic and professi...Teaching and learning-related activities have embraced digital technology especially,with the current global pandemic restrictions pervaded during the last two years.On the other hand,most of the academic and professional presentations are conducted using online platforms.But the presenter-audience interaction is hindered to a certain extent in an online case in contrary to face-to-face where real-time writing is beneficial when sketching is involved.The use of digital pens and pads is a solution for such instances,though the cost of acquiring such hardware is high.Economical solutions are essential as affordability is concerned.In this study,a real-time user-friendly,innovative drawing system is developed to address the issues related to the problems confronted with online presentations.This paper presents the development of an algorithm using Hand Landmark Detection,which replaces chalks,markers and regular ballpoint pens used in conventional communication and presentation,with online platforms.The proposed application in this study is acquired by Python and OpenCV libraries.The letters or the sketches drawn in the air were taken straight to the computer screen by this algorithm.The proposed algorithm continuously identifies the Hand Landmark using the images fed by the web camera,and text or drawing patterns are displayed on the screen according to the movements made by Hand Landmark on the image space.The developed user interface is also user-friendly.Hence the communication of letters and sketches were enabled.Although the concept has been developed and tested,with further research the versatility and accuracy of communication can be enhanced.展开更多
文摘Pali is considered as the language of the canon continued to be influenced by analysts and grammarians,and by the native languages of the countries like Sri Lanka,in which Therava da Buddhism became established over many years.The Pali language has been used to write many stone inscriptions in ancient times.For ordinary travelers the recognition of the content of ancient inscriptions and some other written material are not possible.This study has focused to find a solution with a mobile application to recognize Pali characters in a user-friendly User Interface.The character recognition in real time is the most essential part of the study.Machine learning and neural networks are trending technologies adapted for handwriting recognition in some languages.But for many languages this technology has not been developed yet.Pali is one of such languages that had survived until the eighteenth century.In this study the images of Pali letters are identified through a trained Convolution Neural Network(CNN).Python and Android Studio software were used for training process and identifying letters respectively with the developed mobile application.The limited capacity and the processing power of a mobile phone makes it more challenging to run the application.Tensor Flow Lite is end to end open source platform in machine learning.Therefore,Tensor Flow Lite was used in this study.Since the Android mobile is a common equipment which everybody has in modern societies,using this Off-line Pali character Recognition mobile application the archelogy researchers and travelers can use them conveniently to understand the content written in ancient documents.
文摘Machine embroidery is a multi-step process with many variables that govern the quality of the final product.In Sri Lanka a few large-scale factories use machine embroidery process.They import heavy and very expensive machines from the other countries in the world.The main disadvantage of these machines is,they are not suitable for production of small order quantities due to high cost.Also,these machines and the required software for the designing and operating process are comparatively expensive.Small scale apparel factories and domestic industrialists cannot afford the high cost of hardware and software.Besides,it requires persons with high skills for design,operation and maintenance.There are a few domestic type automated embroidery machines,but those are exorbitant.The present study aims to design and fabricate retrofit for ordinary sewing machine that is capable of performing given embroidery pattern.The retrofit comprises of an frame which can be moved in X and Y directions by three controlling motors.The design of the embroidery is converted to a G-code using GBRL software and then the microcontroller governs the movement of the frame to produce the embroidery.The retrofit designed and developed performed embroidery function and the quality of the output was checked and it was found to be satisfactory as far as first conceptual model is concerned.Further development work is required to improve user requirements and technical requirements including the increase of speed of operation which may be done with synchronization of the three motors.
文摘Teaching and learning-related activities have embraced digital technology especially,with the current global pandemic restrictions pervaded during the last two years.On the other hand,most of the academic and professional presentations are conducted using online platforms.But the presenter-audience interaction is hindered to a certain extent in an online case in contrary to face-to-face where real-time writing is beneficial when sketching is involved.The use of digital pens and pads is a solution for such instances,though the cost of acquiring such hardware is high.Economical solutions are essential as affordability is concerned.In this study,a real-time user-friendly,innovative drawing system is developed to address the issues related to the problems confronted with online presentations.This paper presents the development of an algorithm using Hand Landmark Detection,which replaces chalks,markers and regular ballpoint pens used in conventional communication and presentation,with online platforms.The proposed application in this study is acquired by Python and OpenCV libraries.The letters or the sketches drawn in the air were taken straight to the computer screen by this algorithm.The proposed algorithm continuously identifies the Hand Landmark using the images fed by the web camera,and text or drawing patterns are displayed on the screen according to the movements made by Hand Landmark on the image space.The developed user interface is also user-friendly.Hence the communication of letters and sketches were enabled.Although the concept has been developed and tested,with further research the versatility and accuracy of communication can be enhanced.
