The problem of optical character and handwriting recognition has been interested by researchers in long time ago. It has obtained great results in theory as well as practical applications. However, the accuracy of identification is still limited, especially in the case of low-quality input images. In this article, we propose an efficient method to recognize information fields for identification in ID card using Convolutional Neural Network (CNN) and Long Short-Term Memory networks (LSTM). The proposed method was trained in a large, various quality dataset including over three thousands ID card image samples. The implementation achieved better results compare to previous studies with the precision, recall and f-measure from over 95 up to over 99% out of all information fields to be recognized.

No abstract

This paper presents anefficient method for solving the broken characters problem in the recognition of Vietnamese degraded text. Basically, the broken characters restoration process consists of three main steps: 1) analyzing and grouping connected components into connected areas; 2) building directed graph from connected areas; 3) applying a best first search A* to all its possible sub-graphs in order to an optimal strategy to rejoin the appropriate connected areas. Our experiments were carried out on the testing dataset, consists of 21690 low quality word images which are exported from 925 different quality of document pages. This methodcorrectly finds 94.37% of the dataset.

No abstract

Carrying out corporate social responsibility (CSR) not only brings benefits to the community but also benefits the business itself. There are many studies on the application of CSR in business strategies to create competitive advantages and sustainable development. However, CSR is still a new term in Vietnam, and the concept has various definitions and most studies are mainly theory-based with limited research on the real situation of CSR practices, especially in the case of FDI firms. Therefore, this study aims to investigate the impact of CSR implementation on corporate strategic goals, including reputation, innovation and differentiation of FDI firms in Vietnam. This study uses regression models to analyze survey data of 224 FDI enterprises in Hanoi, the capital of Vietnam. The empirical results indicated that implementing CSR significantly impacts improving the efficiency of deploying three business strategic goals: enhancing reputation, enhancing innovation, and creating a competitive advantage. The findings of this study suggest that FDI enterprises in Vietnam need to renew their perspectives and approaches to integrate and implement CSR, not only seeing CSR as a costly obligation or merely charitable activities, but truly an opportunity to create competitive advantages and sustainable development.