JACIII Vol.25 No.2 pp. 187-194
doi: 10.20965/jaciii.2021.p0187


Hybrid Caption Including Formula or Figure for Deaf and Hard-of-Hearing Students

Daisuke Wakatsuki*, Tatsuya Arai*, and Takeaki Shionome**

*Tsukuba University of Technology
4-3-15 Amakubo, Tsukuba, Ibaraki 305-8520, Japan

**Teikyo University
1-1 Toyosatodai, Utsunomiya, Tochigi 320-8551, Japan

May 16, 2019
December 16, 2020
March 20, 2021
deaf and hard-of-hearing, information support, text interpretation, equation, figure

Captions, which are used as a means of information support for deaf and hard-of-hearing students, are usually presented only in text form. Therefore, when mathematical equations and figures are frequently used in a classroom, the captions will show several demonstrative words such as “this equation” or “that figure.” As there is a delay between the teacher’s utterance and the display of the captions sometimes, it is difficult for users to grasp the target of these demonstrative words accurately. In this study, we prepared hybrid captions with mathematical equations and figures and verified their effectiveness via a comparison with conventional text-only captions. The results suggested that the hybrid captions were at least as effective as the conventional captions at helping the students understand the lesson contents. A subjective evaluation with a questionnaire survey also showed that the experimental participants found the hybrid captions to be acceptable without any discomfort. Furthermore, there was no difference in the number of eye movements of the participants during the experiment, suggesting that the physical load was similar for both types of captions.

Example of a hybrid captioned lecture

Example of a hybrid captioned lecture

Cite this article as:
D. Wakatsuki, T. Arai, and T. Shionome, “Hybrid Caption Including Formula or Figure for Deaf and Hard-of-Hearing Students,” J. Adv. Comput. Intell. Intell. Inform., Vol.25 No.2, pp. 187-194, 2021.
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Last updated on Jul. 12, 2024