# LeafScan-CornDefoliation2025-V1.0 Dataset

A multi-level dataset for corn leaf defoliation assessments research. Provides corn leaves processed in both video and image form. Paired to the LeafScan research project at https://github.com/KevynAngueira/LeafScan.

• Fields: 7 sampled sites across 3 states (IA, IN, OH)
• Plants: 18 total plants
• Leaves: 149 leaves total, with leaf number 7-21
• Media: 1000+ videos & images across healthy, defoliated, and simulated conditions

Zenodo: 10.5281/zenodo.17289901
Github: https://github.com/KevynAngueira/LeafScan
Author: Kevyn Angueira Irizarry

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_[lid]  
        ├── leaf_description  
        │   ├── status  
        │   ├── leaf_number  
        │   ├── defoliation  
        │   └── notes  
        └── measurements  
            ├── area  
            │   ├── original  
            │   └── simulated             
            ├── max_length  
            │   ├── original  
            │   └── simulated  
            ├── max_width  
            │   ├── original  
            │   └── simulated  
            └── widths