PawPrint: Whose Footprints Are These? Identifying Animal Individuals by Their Footprints
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arXiv
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| Format: | Preprint |
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2025
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| _version_ | 1866913855012077568 |
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| author | Song, Inpyo Hwang, Hyemin Lee, Jangwon |
| author_facet | Song, Inpyo Hwang, Hyemin Lee, Jangwon |
| contents | In the United States, as of 2023, pet ownership has reached 66% of households and continues to rise annually. This trend underscores the critical need for effective pet identification and monitoring methods, particularly as nearly 10 million cats and dogs are reported stolen or lost each year. However, traditional methods for finding lost animals like GPS tags or ID photos have limitations-they can be removed, face signal issues, and depend on someone finding and reporting the pet. To address these limitations, we introduce PawPrint and PawPrint+, the first publicly available datasets focused on individual-level footprint identification for dogs and cats. Through comprehensive benchmarking of both modern deep neural networks (e.g., CNN, Transformers) and classical local features, we observe varying advantages and drawbacks depending on substrate complexity and data availability. These insights suggest future directions for combining learned global representations with local descriptors to enhance reliability across diverse, real-world conditions. As this approach provides a non-invasive alternative to traditional ID tags, we anticipate promising applications in ethical pet management and wildlife conservation efforts. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2505_17445 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | PawPrint: Whose Footprints Are These? Identifying Animal Individuals by Their Footprints Song, Inpyo Hwang, Hyemin Lee, Jangwon Computer Vision and Pattern Recognition In the United States, as of 2023, pet ownership has reached 66% of households and continues to rise annually. This trend underscores the critical need for effective pet identification and monitoring methods, particularly as nearly 10 million cats and dogs are reported stolen or lost each year. However, traditional methods for finding lost animals like GPS tags or ID photos have limitations-they can be removed, face signal issues, and depend on someone finding and reporting the pet. To address these limitations, we introduce PawPrint and PawPrint+, the first publicly available datasets focused on individual-level footprint identification for dogs and cats. Through comprehensive benchmarking of both modern deep neural networks (e.g., CNN, Transformers) and classical local features, we observe varying advantages and drawbacks depending on substrate complexity and data availability. These insights suggest future directions for combining learned global representations with local descriptors to enhance reliability across diverse, real-world conditions. As this approach provides a non-invasive alternative to traditional ID tags, we anticipate promising applications in ethical pet management and wildlife conservation efforts. |
| title | PawPrint: Whose Footprints Are These? Identifying Animal Individuals by Their Footprints |
| topic | Computer Vision and Pattern Recognition |
| url | https://arxiv.org/abs/2505.17445 |