Datasets:
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README.md
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## Dataset Creation
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### Data Collection and Processing
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1. **Import:** Parses raw field data, ingests card/camera metadata, and generates standard metadata descriptions, mapping absolute paths to the images.
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2. **Detection:** Utilizes YOLO to localize animals in the images, creating initial bounding boxes (`bbox`).
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4. **Viewpoint Classification:** Determines the orientation of the detected animal (`up`, `front`, `back`, `left`, `right`).
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5. **Identifiable Annotation (IA) Classification:** Evaluates photographic quality and pose.
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- **Missing Location Data:** When GPS coordinates could not be resolved from field equipment or manual logs, fields for `latitude` and `longitude` (`gps_lat`/`gps_lon`) default to `-1.0`. Algorithms utilizing geometric filtering should catch these sentinel values.
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- **Viewpoint Filtering:** Because animal Re-ID relies heavily on flank stripe patterns, the pipeline aggressively filters for `left` and `right` viewpoints. Forward or backward-facing animals are detected but may be excluded from Re-ID tracking.
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address = {Stanford, CA},
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year = {2017}
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```
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## Dataset Card Authors
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## Dataset Creation
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### Data Collection and Processing
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The images were collected in **Meru County, Kenya** during the 2016 and 2018 census rallies. This dataset is the direct output of the GGR Pipeline, a 9-stage workflow designed for robust ecological tracking:
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1. **Import:** Parses raw field data, ingests card/camera metadata, and generates standard metadata descriptions, mapping absolute paths to the images.
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2. **Detection:** Utilizes YOLO to localize animals in the images, creating initial bounding boxes (`bbox`).
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3. **Species Classification:** Processes detections through BioCLIP to classify the species (e.g., Grevy's zebra vs. Plains zebra).
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4. **Viewpoint Classification:** Determines the orientation of the detected animal (`up`, `front`, `back`, `left`, `right`).
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5. **Identifiable Annotation (IA) Classification:** Evaluates photographic quality and pose. Assigns a `CA_score` and a boolean flag indicating if the animal's features (e.g., stripes) are clear enough for individual identification.
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7. **IA Filtering:** Discards annotations below the identifiability threshold and simplifies viewpoints strictly to `left` or `right` flanks for Re-ID purposes.
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8. **Miew-ID:** Generates deep metric embeddings for all remaining high-quality annotations leveraging the Miew-Id feature extraction model.
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9. **Local Clusters and Alternatives (LCA) Algorithm:** Clusters the generated embeddings based on feature similarity, grouping images of the same individual animal together.
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10. **Post-processing and ID Assignment:** Applies biological consistency checks, resolves cluster overlaps, allows for human-in-the-loop manual verification, assigns the final `individual_id`, and integrates non-identifiable tracking links where necessary.
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---
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- **Missing Location Data:** When GPS coordinates could not be resolved from field equipment or manual logs, fields for `latitude` and `longitude` (`gps_lat`/`gps_lon`) default to `-1.0`. Algorithms utilizing geometric filtering should catch these sentinel values.
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- **Viewpoint Filtering:** Because animal Re-ID relies heavily on flank stripe patterns, the pipeline aggressively filters for `left` and `right` viewpoints. Forward or backward-facing animals are detected but may be excluded from Re-ID tracking.
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- **Geographic Focus:** The spatial data anchors tightly to the **Meru County** ecosystem and adjacent northern rangelands in Kenya. Models trained heavily on this dataset may experience domain shift when deployed in different biomes or under disparate lighting conditions.
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- **Class Imbalance:** Due to the targeted focus of the Great Grevy's Rally, equid and giraffe classes heavily outnumber categories like `lion` or `rhino_black`.
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---
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address = {Stanford, CA},
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year = {2017}
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}
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```
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## Dataset Card Authors
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