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# π Dataset Info: Skin Lesion Segmentation & Classification
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This dataset contains annotated skin lesion images for the dual task of **object detection** and **segmentation approximation** using bounding boxes. It is prepared in **YOLOv8-compatible** format and includes over **9,500 medical images**.
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---
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## ποΈ Directory Structure
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```
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skin-lesion-segmentation-classification/
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βββ train/
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β βββ images/ # 6,675 training images
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β βββ labels/ # YOLO format labels
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βββ valid/
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β βββ images/ # 1,911 validation images
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β βββ labels/
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βββ test/
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β βββ images/ # 961 test images
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β βββ labels/
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```
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---
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## π§ Classes
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The dataset supports **7 lesion categories**, labeled from ID `0` to `6`. Below is a full list of class codes, descriptions, and emojis for quick visual reference:
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### π¦ Skin Lesion Types & Description
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| ID | Emoji | Code | Full Name | Description |
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|----|-------|--------|--------------------------------------------------------|-----------------------------------------------------------------------------|
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| 0 | π€ | BKL | Benign Keratosis | Non-cancerous, often scaly skin lesions. Common and usually harmless. |
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| 1 | β« | NV | Melanocytic Nevi | Regular moles formed by pigment-producing cells. Typically benign. |
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| 2 | π | DF | Dermatofibroma | Firm, small nodules under the skin caused by minor trauma. Non-cancerous. |
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| 3 | π΄ | MEL | Melanoma | A serious and potentially life-threatening skin cancer. Early detection is critical. |
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| 4 | π΅ | VASC | Vascular Lesion | Blood vessel-related marks like angiomas. Usually red or purple. |
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| 5 | π£ | BCC | Basal Cell Carcinoma | The most common skin cancer. Slow-growing and rarely metastasizes. |
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| 6 | β οΈ | AKIEC | Actinic Keratoses / Intraepithelial Carcinoma | Pre-cancerous lesions that may evolve into squamous cell carcinoma. |
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*All bounding box labels follow YOLO format: `class_id x_center y_center width height` (normalized values).*
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---
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## π§ͺ Tasks
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- π³ **Object Detection** (YOLO format with normalized bounding boxes)
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- π― **Segmentation Approximation** (using bounding box areas)
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- π Potential for classification/fine-tuning tasks
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---
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## π¦ Dataset Size
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| Split | Images | Labels |
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|--------|--------|--------|
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| Train | 6,675 | 6,675 |
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| Valid | 1,911 | 1,911 |
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| Test | 961 | 961 |
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| **Total** | **9,547** | **9,547** |
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---
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## π Notes
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- All lesion images are in `.jpg` format.
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- Labels are compatible with **YOLOv8** training pipelines.
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- The dataset is suitable for **medical AI**, **research**, and **deep learning education**.
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---
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π¬ For questions, citations, or collaboration requests, visit the [Hugging Face Profile](https://huggingface.co/makhresearch).
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