GAGhazanfar Ali / Research

Published · journal article

Enhancing doctor‐patient communication in surgical explanations: Designing effective facial expressions and gestures for animated physician characters

Hwang Youn Kim · Ghazanfar Ali · Jae‐In Hwang

2024 · Computer Animation and Virtual Worlds

Expression and gesture support surgical explanations by animated physicians.

Research illustration for Virtual physician
Research illustration

From the paper

Author abstract

Paying close attention to facial expressions, gestures, and communication techniques is essential when creating animated physician characters that are realistic and captivating when describing surgical procedures. This paper emphasizes the integration of appropriate emotions, co-speech gestures when medical experts explain the medical procedure, and designing animated characters. We can achieve healthy doctor-patient relationships and improvement of patients’ understanding by depicting these components truthfully. We suggest two critical approaches to developing virtual medical experts by incorporating these elements. First, doctors can generate the contents of the surgical procedure with a virtual doctor. Second, patients can listen to the surgical procedure described by the virtual doctor and ask if they have any questions. Our system helps patients by considering their psychology and adding medical professionals’ opinions. These improvements ensure the animated virtual agent is comforting, reassuring, and emotionally supportive. Through a user study, we evaluated our hypothesis and gained insight into improvements.

Author-written abstract from the author manuscript.

In plain language

What this work does

The system lets clinicians prepare explanations with a virtual physician and lets patients ask follow-up questions. It combines grounded medical information with designed facial expression and co-speech gesture, and evaluates how users perceive the presentation.

  1. 01Surgical content / question
  2. 02Grounded answer + behavior
  3. 03Animated explanation

At a glance

Method, evidence, and scope

Graphical abstract: grounded surgical explanations, expressive avatar behavior and communication study findings
Graphical abstract diagram. Grounded explanations and expressive behavior support virtual-physician communication. View full size
Method and evidence for Virtual physician
InputClinician-prepared surgical content and patient questions
OutputAnimated surgical explanations and grounded follow-up responses
MethodContent preparation, grounded question answering, facial expression, and gesture
Data and scopeSurgical-explanation materials and study conditions described in the paper
Evaluation113-participant study; reported answer F1 comparison 0.492 to 0.779
LimitationsThis is communication research. Perceived social presence and answer scores do not demonstrate improved clinical outcomes or autonomous medical decision-making.

Implementation and artifacts

Code and setup

Independent implementation of the paper’s core ideas, with setup instructions and data preparation documented in the repository README. The institute’s original source, datasets and trained models are not distributed.

Browse code and setup guide

Reference this work

Citation

Hwang Youn Kim, Ghazanfar Ali, Jae‐In Hwang. Enhancing doctor‐patient communication in surgical explanations: Designing effective facial expressions and gestures for animated physician characters. Computer Animation and Virtual Worlds, 2024. Volume 35. Issue 3. Article e2236. DOI: 10.1002/cav.2236.

Download BibTeX
@article{virtualphysician2024,
  title = {{Enhancing doctor‐patient communication in surgical explanations: Designing effective facial expressions and gestures for animated physician characters}},
  author = {Kim, Hwang Youn and Ali, Ghazanfar and Hwang, Jae‐In},
  year = {2024},
  journal = {Computer Animation and Virtual Worlds},
  volume = {35},
  number = {3},
  eid = {e2236},
  doi = {10.1002/cav.2236},
  url = {https://ghazanfarali.com/research/virtual-physician/}
}