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Programming has become an essential component of K-12 education and serves as a pathway for developing computational thinking skills. Given the complexity of programming and the advanced skills it requires, previous research has introduced…

Human-Computer Interaction · Computer Science 2024-12-13 Yunnong Chen , Shuhong Xiao , Yaxuan Song , Zejian Li , Lingyun Sun , Liuqing Chen

Unlike traditional educational chatbots that rely on pre-programmed responses, large-language model-driven chatbots, such as ChatGPT, demonstrate remarkable versatility to serve as a dynamic resource for addressing student needs from…

Human-Computer Interaction · Computer Science 2024-08-20 Nam Wook Kim , Hyung-Kwon Ko , Grace Myers , Benjamin Bach

Sketch editing requires jointly handling high-level semantic changes and precise local redrawing, a combination that is particularly challenging for sparse, style-sensitive line art. Unlike natural images, sketches rely on minimal visual…

Computer Vision and Pattern Recognition · Computer Science 2026-05-27 Han Zou , Yan Zhang , Ruiqi Yu , Cong Xie , Jie Huang , Zhenpeng Zhan

When answering questions about images, humans naturally point, label, and draw to explain their reasoning. In contrast, modern vision-language models (VLMs) such as Gemini-3-Pro and GPT-5 only respond with text, which can be difficult for…

Computer Vision and Pattern Recognition · Computer Science 2026-04-29 Brandon Collins , Logan Bolton , Hung Huy Nguyen , Mohammad Reza Taesiri , Trung Bui , Anh Totti Nguyen

LiveSketch is a novel algorithm for searching large image collections using hand-sketched queries. LiveSketch tackles the inherent ambiguity of sketch search by creating visual suggestions that augment the query as it is drawn, making query…

Computer Vision and Pattern Recognition · Computer Science 2019-04-16 John Collomosse , Tu Bui , Hailin Jin

Charts are high-density visualization carriers for complex data, serving as a crucial medium for information extraction and analysis. Automated chart understanding poses significant challenges to existing multimodal large language models…

Computer Vision and Pattern Recognition · Computer Science 2025-05-27 Muye Huang , Lingling Zhang , Jie Ma , Han Lai , Fangzhi Xu , Yifei Li , Wenjun Wu , Yaqiang Wu , Jun Liu

We present RealityTalk, a system that augments real-time live presentations with speech-driven interactive virtual elements. Augmented presentations leverage embedded visuals and animation for engaging and expressive storytelling. However,…

Human-Computer Interaction · Computer Science 2022-08-15 Jian Liao , Adnan Karim , Shivesh Jadon , Rubaiat Habib Kazi , Ryo Suzuki

Drawing tools for Virtual Reality (VR) enable users to model 3D designs from within the virtual environment itself. These tools employ sketching and sculpting techniques known from desktop-based interfaces and apply them to hand-based…

Human-Computer Interaction · Computer Science 2019-11-06 Daniele Giunchi , Stuart james , Donald Degraen , Anthony Steed

Illustration is a fundamental mode of human expression and communication. Certain types of motion that accompany speech can provide this illustrative mode of communication. While Augmented and Virtual Reality technologies (AR/VR) have…

Computer Vision and Pattern Recognition · Computer Science 2025-07-01 Hui Xian Grace Lim , Xuanming Cui , Yogesh S Rawat , Ser-Nam Lim

With the future likely to see even more pervasive computation, computational thinking (problem-solving skills incorporating computing knowledge) is now being recognized as a fundamental skill needed by all students. Computational thinking…

Programming Languages · Computer Science 2017-06-13 Hasan M. Jamil

Scientific sketches (e.g., models) offer a powerful lens into students' conceptual understanding, yet AI-powered automated assessment of such free-form, visually diverse artifacts remains a critical challenge. Existing solutions often treat…

Human-Computer Interaction · Computer Science 2025-10-21 Ehsan Latif , Zirak Khan , Xiaoming Zhai

Artificial Intelligence Generated Content (AIGC) has shown remarkable progress in generating realistic images. However, in this paper, we take a step "backward" and address AIGC for the most rudimentary visual modality of human sketches.…

Computer Vision and Pattern Recognition · Computer Science 2023-08-29 Zhiyu Qu , Tao Xiang , Yi-Zhe Song

Visual modes of communication are ubiquitous in modern life --- from maps to data plots to political cartoons. Here we investigate drawing, the most basic form of visual communication. Participants were paired in an online environment to…

Other Computer Science · Computer Science 2019-12-17 Judith Fan , Robert Hawkins , Mike Wu , Noah Goodman

Sketches are a natural and accessible medium for UI designers to conceptualize early-stage ideas. However, existing research on UI/UX automation often requires high-fidelity inputs like Figma designs or detailed screenshots, limiting…

Computation and Language · Computer Science 2024-10-22 Ryan Li , Yanzhe Zhang , Diyi Yang

Slide-based teaching is widely used in higher education, yet in online, hybrid, and asynchronous contexts, slides often lose instructor presence, narrative continuity, and expressive framing that help learners connect with course content.…

Human-Computer Interaction · Computer Science 2026-05-26 Xinxing Wu

We present a system for identifying conceptual shifts between visual categories, which will form the basis for a co-creative drawing system to help users draw more creative sketches. The system recognizes human sketches and matches them to…

Machine Learning · Computer Science 2018-01-12 Pegah Karimi , Nicholas Davis , Kazjon Grace , Mary Lou Maher

Scattertext is an open source tool for visualizing linguistic variation between document categories in a language-independent way. The tool presents a scatterplot, where each axis corresponds to the rank-frequency a term occurs in a…

Computation and Language · Computer Science 2017-04-24 Jason S. Kessler

Hand-drawn sketches are a natural and efficient medium for capturing and conveying ideas. Despite significant advancements in controllable natural image generation, translating freehand sketches into structured, machine-readable diagrams…

Artificial Intelligence · Computer Science 2025-08-05 Cheng Tan , Qi Chen , Jingxuan Wei , Gaowei Wu , Zhangyang Gao , Siyuan Li , Bihui Yu , Ruifeng Guo , Stan Z. Li

Conceptual product design requires designers to explore the design space of visual and functional concepts simultaneously. Sketching has long been adopted to empower concept exploration. However, current sketch-based design tools mostly…

Human-Computer Interaction · Computer Science 2025-08-12 Runlin Duan , Chenfei Zhu , Yuzhao Chen , Dizhi Ma , Jingyu Shi , Ziyi Liu , Karthik Ramani

Sketch-based query formulation is very common in image and video retrieval as these techniques often complement textual retrieval methods that are based on either manual or machine generated annotations. In this paper, we present a…

Multimedia · Computer Science 2019-09-30 Luca Rossetto , Ralph Gasser , Heiko Schuldt