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Scientific and technological journals in Vietnam: the current state and direction of development
Banh Tien Long,Nguyen Duc Toan 한국과학학술지편집인협의회 2015 Science Editing Vol.2 No.1
Vietnam is on its way to becoming a more developed country and more integrated into the global community. One of the most important key factors for development is science and technology. Scientific publications bring the most up-to-date information to scientists, researchers, and society. The quality of Vietnam’s scientific journals should be increased to international level. Also, the number of high quality articles published in international journals from Vietnam is limited compared to the number of researchers in Vietnam. There is still no Vietnamese journal indexed in Web of Science up to January 2015; while, three journals has been indexed in Scopus. This article discusses the current scenario of scientific and technological journals in Vietnam and the trend of development to international level.
A Flexible Solid 3D Model Reconstruction System for Mechanical CAD /CAM Systems
Long Hoang,Long Banh Tien 한국정밀공학회 2019 한국정밀공학회지 Vol.36 No.8
Three-dimensional CAD models are usually used by designers because of their applications in the areas of CAD/CAM/CAE/CAQ. A desirous trend to create this model, long been studied by scientists globally, is 3D model reconstruction from views. With this method, geometric information can be easily entered as well as using existing 2D drawings. Most of the previous studies used three views, but many of the common parts needed only two views. A flexible reconstruction system that responds to both forms is the subject of this study. The proposed method has been installed and tested by an ADSRX program running on AutoCAD software. The 3D model results have been checked for the compatibility with CAD/CAM systems.
Bui Van-Bien,Banh Tien-Long,Nguyen Duc-Toan 한국정밀공학회 2019 한국정밀공학회지 Vol.36 No.8
From 2010, the first version of Microsoft Kinect, a low-cost RGB-D camera, was released which used structured light technology to capture depth information. This device has been widely applied in many segments of the industry. In July 2014, the second version of Microsoft Kinect was launched with improved hardware. Obtaining point clouds of an observed scene with high frequency being possible leads to imaging its application to meeting the demand of 3D data acquisition. However, evaluating device capacity for mechanical part modeling has been a challenge needed to be solved. This paper intends to enhance acquired depth maps of the Microsoft Kinect v2 device for mechanical part modeling and receive an assessment about the accuracy of 3D reconstruction. Influence of materials for mechanical part modeling is also evaluated. Additionally, experimental methodology for 3D modeling of the mechanical part is finally reported to ascertain the proposed model in this paper.