---
license: mit
tags:
  - instance-segmentation
  - car-damage
  - mask2former
  - detectron2
datasets:
  - custom
metrics:
  - mean_ap
---

# Car Damage Detection & Segmentation

**Model:** Mask2Former + Swin-L backbone
**Task:** Instance segmentation of car damage
**Framework:** Detectron2

## Classes

| ID | Label | Description |
|----|-------|-------------|
| 0 | rach | Scratch |
| 1 | mat_bo_phan | Missing part |
| 2 | be_den | Broken headlight |
| 3 | thung | Hole / puncture |
| 4 | tray_son | Paint damage |
| 5 | mop_lom | Dent |
| 6 | vo_kinh | Broken glass |

## Training Dataset

- **Train images:** 11,621
- **Val images:** 2,324
- **Annotation format:** Polygon instance masks

## Latest Checkpoint

- **File:** `checkpoint_epoch50_iter145300.pth` (also available as `model_latest.pth`)
- **Iteration:** 145300
- **Epoch:** 50.0
- **Mask AP:** 30.8

## Evaluation Results (Validation Set)

| Metric | Value |
|--------|-------|
| **Mask AP (all IoU)** | **30.8** |
| Mask AP50 | 52.4 |
| Mask AP75 | 28.3 |

**Per-class Mask AP:**

| Class | AP |
|-------|----|
| rach | 16.0 |
| mat_bo_phan | 51.5 |
| be_den | 31.0 |
| thung | 30.3 |
| tray_son | 12.2 |
| mop_lom | 15.1 |
| vo_kinh | 59.3 |

## Training Progress

**Loss (sampled):**

| Iteration | Total Loss |
|-----------|------------|
| 52319 | 13.9277 |
| 61579 | 14.3633 |
| 70919 | 13.3874 |
| 80259 | 13.6256 |
| 89599 | 13.0817 |
| 98939 | 11.2451 |
| 108279 | 11.0778 |
| 117439 | 8.3518 |
| 126779 | 9.4671 |
| 135879 | 9.0137 |
| 145219 | 8.6403 |
| 145299 | 9.7138 |

**Mask AP over time:**

| Iteration | AP | AP50 |
|-----------|----|----|
| 58119 | 31.0 | 53.1 |
| 116239 | 30.8 | 52.4 |

---
*Last updated: 2026-04-10 02:39 UTC*
*Pushed automatically during training.*