Prompting Scientific Names for Zero-Shot Species Recognition

Shubham Parashar, Zhiqiu Lin, Yanan Li, Shu Kong


Abstract
Trained on web-scale image-text pairs, Vision-Language Models (VLMs) such as CLIP can recognize images of common objects in a zero-shot fashion. However, it is underexplored how to use CLIP for zero-shot recognition of highly specialized concepts, e.g., species of birds, plants, and animals, for which their scientific names are written in Latin or Greek. Indeed, CLIP performs poorly for zero-shot species recognition with prompts that use scientific names, e.g., “a photo of Lepus Timidus” (which is a scientific name in Latin). This is because these names are usually not included in CLIP’s training set. To improve performance, we explore using large-language models (LLMs) to generate descriptions (e.g., of species color and shape) and additionally use them in prompts. However, this method improves only marginally. Instead, we are motivated to translate scientific names (e.g., Lepus Timidus) to common English names (e.g., mountain hare) and use such in the prompts. We find that common names are more likely to be included in CLIP’s training set, and prompting them achieves 2~5 times higher accuracy on benchmarking datasets of fine-grained species recognition.
Anthology ID:
2023.emnlp-main.610
Volume:
Proceedings of the 2023 Conference on Empirical Methods in Natural Language Processing
Month:
December
Year:
2023
Address:
Singapore
Editors:
Houda Bouamor, Juan Pino, Kalika Bali
Venue:
EMNLP
SIG:
Publisher:
Association for Computational Linguistics
Note:
Pages:
9856–9861
Language:
URL:
https://aclanthology.org/2023.emnlp-main.610
DOI:
10.18653/v1/2023.emnlp-main.610
Bibkey:
Cite (ACL):
Shubham Parashar, Zhiqiu Lin, Yanan Li, and Shu Kong. 2023. Prompting Scientific Names for Zero-Shot Species Recognition. In Proceedings of the 2023 Conference on Empirical Methods in Natural Language Processing, pages 9856–9861, Singapore. Association for Computational Linguistics.
Cite (Informal):
Prompting Scientific Names for Zero-Shot Species Recognition (Parashar et al., EMNLP 2023)
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PDF:
https://aclanthology.org/2023.emnlp-main.610.pdf
Video:
 https://aclanthology.org/2023.emnlp-main.610.mp4