9 papers
SAVVY: Student Attention Visualization for Video-based Learning Analysis
Shixian Zhou, Minghuan Shen, Xiaolin Wen +6
Video-Based Learning (VBL) has become a popular delivery medium of education in the past decade, ranging from online education to hybrid learning. Students' rising expectations for…
DiffLens: A Visualization System to Explore Local Differences in Graph Sampling
Zhiguang Zhou, Yong Zhang, Yuming Ma +8
DiffLens is an interactive visualization tool that lets users examine how sampled graphs differ from the original graphs in terms of local node neighborhoods, paths, and overall st…
VisTCP: A Visualization Framework to Construct Knowledge-Graph-Based Representation for Traditional Chinese Painting
Zhiguang Zhou, Fengling Zheng, Miaoxin Hu +9
Structured representation can characterize semantic objects and relationships in images. It provides a possible effective way for the semantic understanding of Traditional Chinese…
COIVis: Eye-tracking-based Visual Exploration of Concept Learning in MOOC Videos
Zhiguang Zhou, Ruiqi Yu, Yuming Ma +7
Massive Open Online Courses (MOOCs) make high-quality instruction accessible. However, the lack of face-to-face interaction makes it difficult for instructors to obtain feedback on…
ReVis: Towards Reusable Image-Based Visualizations with MLLMs
Xiaolin Wen, Changlin Li, Manusha Karunathilaka +3
Many expressive visualizations are shared online only as bitmap images, making them difficult to redesign or adapt to new data. Reusing such image-based visualizations requires sub…
Accessible Fine-grained Data Representation via Spatial Audio
Can Liu, Wenjie Jiang, Shaolun Ruan +2
Pitch-based sonification of quantitative data increases the accessibility of data visualizations that are otherwise inaccessible for blind and low-vision (BLV) individuals. We argu…