Interactive Digital Storytelling Based Educational Games: Formalise, Author, Play, Educate and Enjoy! - The EDUGAMES4ALL Project Framework -- A Methodology of Integrating Knowledge into Applied Game and Validation of Education and Entertainment Effects -- Augmented Reality Game Development and Experience Based on Intelligent Mobile Phone -- A Study of Digital Games as a New Media of Cultural Transmission -- Research on Initialization of 3D Hand Pose based on User and Computer Interaction -- The Recognition of Human Daily Actions with Wearable Motion Sensor System -- A Rehabilitation Planning based on Kinect Somatosensory Recognition and Cloud Computing -- Virtual Interface and its Application in Natural Interaction -- Building Targets Change Detection of SAR Images Based on Fuzzy Distances -- 3D Plant Modeling Based on BP Neural Network -- The Seamless Integration Achievement of the Actual Situation of the Scene -- An Improved Edge Detection Method Using Adaptive Threshold -- Vertex Mesh Simplification Algorithm Based on Curvature and Distance Metric -- Visualization of the Color Family Order System -- An Affine Transformation Based Image Shuffling and Watermarking Scheme -- A Novel Emergency Detection Approach Leveraging Spatiotemporal Behavior For Power System -- Computer Assisted Chinese Birthday Couplets Generation.

This journal subline serves as a forum for stimulating and disseminating innovative research ideas, theories, emerging technologies, empirical investigations, state-of-the-art methods, and tools in all different genres of edutainment, such as game-based learning and serious games, interactive storytelling, virtual learning environments, VR-based education, and related fields. It covers aspects from educational and game theories, human-computer interaction, computer graphics, artificial intelligence, and systems design. The 17 papers presented in the 12th issue were organized in four parts dealing with: games; human-computer interaction; image and graphics; and applications. .