Optional-sign-language-videos.doi Apr 2026

Optional sign language video features, such as toggleable picture-in-picture interpreters and AI-driven "Signmaku" overlays, improve accessibility by creating interactive, user-controlled environments. These systems allow for personalized, frame-synced sign language content, in-video dictionary searches, and adaptive, sign-centric navigation interfaces. Read more about these concepts on the ACM Digital Library . Adding sign language to videos - TetraLogical