kirandevraj/ISL-Fingerspelling

ISL Fingerspelling Dataset

First continuous fingerspelling dataset for Indian Sign Language (ISL).

Paper: "Continuous Fingerspelling Dataset for Indian Sign Language" (WSLP @ AACL-IJCNLP 2025)

Statistics

Segments	Duration	Characters
1,308	70.85 min	14,814

Structure

├── videos/                        # 1308 mp4 files
├── fingerspelling_annotations.csv # Segment annotations
└── localization_timestamps.csv    # Temporal localization in source videos

fingerspelling_annotations.csv

Maps video segments to their transcriptions.

Column	Description
uid	Unique segment ID ({video_id}_seg{index}_signer)
text	Fingerspelled text

localization_timestamps.csv

Contains temporal boundaries of fingerspelling segments in the original YouTube videos.

Column	Description
video_id	YouTube video ID
segment_index	Segment index within the video
start_time	Start timestamp (HH:MM:SS.mmm)
start_sec	Start time in seconds
end_time	End timestamp (HH:MM:SS.mmm)
end_sec	End time in seconds
duration_str	Duration (HH:MM:SS.mmm)
duration_sec	Duration in seconds
transcript	Fingerspelled text

Citation

@inproceedings{kirandevraj2025islfingerspelling,
  title={Continuous Fingerspelling Dataset for Indian Sign Language},
  author={Kirandevraj, R and Kurmi, Vinod K and Namboodiri, Vinay P and Jawahar, CV},
  booktitle={WSLP @ AACL-IJCNLP},
  year={2025}
}

Contact

[email protected]

Project Page

https://kirandevraj.github.io/ISL-Fingerspelling