# # LeafScan-CornDefoliation2025-V1.0 Dataset

A multi-level dataset of corn leaf imagery for defoliation estimation research.

- **Fields:** 7 sampled sites across 3 states (IA, IN, OH)
- **Plants:** 18 total plants
- **Leaves:** 149 leaves total, with leaf number 7-21
- **Media:**  550 videos & images across healthy, defoliated, and simulated conditions

Zenodo: “The citable DOI version is available on Zenodo: 10.5281/zenodo.17289901”

### Folder Structure

dataset/
├── LeafScan/
│   ├── healthy/
│   │   ├── raw_videos/
│   │   └── segmented_videos/
│   └── defoliated/
│       ├── raw_videos/
│       └── segmented_videos/
└── Board/
    ├── healthy/
    │   ├── raw_images/
    │   └── segmented_images/
    └── simulated/
        ├── raw_images/
        └── segmented_images/

### Metadata Structure

# field.json:

field_<fid>
└── field_description
    ├── storm
    │   ├── growth_stage
    │   └── date
    ├── collection
    │   ├── growth_stage
    │   └── date
    ├── location
    │   ├── state
    │   └──county
    └── notes

# plant.json

field_<fid>
└── plant_<pid>
    └── plant_description
        ├── growth_stage
        └── notes

# leaves.json

field_<fid>
└── plant_<pid>
    └── leaf_<pid>
        ├── leaf_description
        │   ├── status
        │   ├── leaf_number
        │   ├── defoliation
        │   └── notes
        └── measurements
            ├── area
            │   ├── original
            │   └── simulated            
            ├── max_length
            │   ├── original
            │   └── simulated
            ├── max_width
            │   ├── original
            │   └── simulated
            └── widths