Preserving, maintaining, and teaching traditional martial arts are very important activities in social life. That helps individuals preserve national culture, exercise, and practice self-defense. However, traditional martial arts have many differentposturesaswellasvariedmovementsofthebodyand body parts. The problem of estimating the actions of human body still has many challenges, such as accuracy, obscurity, and so forth. This paper begins with a review of several methods of 2-D human pose estimation on the RGB images, in which the methods of using the Convolutional Neural Network (CNN) models have outstanding advantages in terms of processing time and accuracy. In this work we built a small dataset and used CNN for estimating keypoints and joints of actions in traditional martial arts videos. Next we applied the measurements (length of joints, deviation angle of joints, and deviation of keypoints) for evaluating pose estimation in 2-D and 3-D spaces. The estimator was trained on the classic MSCOCO Keypoints Challenge dataset, the results were evaluated on a well-known dataset of Martial Arts, Dancing, and Sports dataset. The results were quantitatively evaluated and reported in this paper.

The study aimed at finding out: i) the attitudes of both teachers and students at a Vietnamese university as regards the integration of blogs into English writing classes, and ii) their perceived advantages and difficulties in adopting such a way of teaching and learning. Data was collected in two stages: a preliminary questionnaire survey with 110 students and 12 teachers of EFL (English as a Foreign Language) writing, and follow-up interviews with 07 participants, both teachers and students. Findings indicated participants generally held a positive attitude toward the integration of blogs into EFL writing curriculum. Significant benefits in adopting a blogging approach included teachers’ and students’ access to computer and the Internet, their ability to handle blog-related technical issues, and their awareness of the possible benefits of a blog-integrated curriculum. However, the current limited use of blogs for practicing English writing at the institution as well as students’ willingness to post their writings and give feedback on a public page were among the major obstacles. The study was concluded by some important pedagogical implications for the realization of a blog integrated EFL writing curriculum in Vietnam.

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