CervicalSeg

CervicalSeg is a binary lesion segmentation model for cervical colposcopy images. It combines a DINOv3 ViT-S/16 backbone, a DPT decoder, and WTConv in the final two high-resolution decoder fusion stages. It predicts the lesion region only and does not classify red, blue, or green annotation categories.

CervicalSeg 是宫颈阴道镜图像二分类病灶分割模型，采用 DINOv3 ViT-S/16、DPT 解码器，并在最后 两个高分辨率融合阶段使用 WTConv。模型只预测病灶区域，不再区分红、蓝、绿标注类别。

Classes / 类别

Index	Class	Meaning
0	background	non-lesion region / 非病灶区域
1	lesion	lesion region / 病灶区域

Usage / 使用方法

pip install "cervicalseg>=0.2.0"

from cervicalseg import CervicalSeg

segmenter = CervicalSeg(device="auto")
result = segmenter.predict("image.jpg")

# result.mask contains only 0=background and 1=lesion.
result.save_mask("mask.png")       # binary PNG containing 0 and 255
result.save_overlay("overlay.jpg")

The first call downloads model.safetensors; later calls reuse the Hugging Face cache. Output masks are restored to the original image size. The single overlay colour is for visualization only and is not a lesion subtype.

首次调用会下载 model.safetensors，后续调用复用 Hugging Face 缓存。输出 mask 会恢复到原图尺寸。 叠加图中的单一颜色仅用于显示病灶范围，不代表病灶类别。

Training and evaluation / 训练与评估

The public v0.2.0 checkpoint was trained for 51 epochs on all 1,465 available images: 1,028 from the original training split, 221 from validation, and 216 from test. All non-background annotations were merged into one lesion label. Because all samples were used to fit the final model, no held-out test metric applies to this public checkpoint.

公开的 v0.2.0 权重使用全部 1,465 张图像训练 51 个 epoch，其中原 train/val/test 分别为 1,028/221/216 张。所有非背景标注合并为一个病灶标签。由于最终模型使用了全部样本训练，因此该 公开权重没有独立测试集指标。

For model-development reference only, the separate patient-level validation experiment at epoch 51 obtained lesion IoU 0.5847 and lesion Dice 0.7379. These are development results, not an independent evaluation of the all-data public checkpoint.

仅供模型开发参考：按患者划分的独立验证实验在第 51 个 epoch 得到病灶 IoU 0.5847、病灶 Dice 0.7379；这些结果不是对全量训练公开权重的独立测试。

Intended use and limitations / 用途与限制

• Research use only.

• Not a medical device and not for clinical diagnosis or treatment decisions.

• Predictions require review by qualified professionals.

• The model detects lesion extent but does not predict lesion grade, pathology, or colour category.

• Performance may not generalize to devices, institutions, populations, or acquisition conditions not represented in the training data.

• 仅用于研究。

• 不是医疗器械，不得直接用于临床诊断或治疗决策。

• 预测结果需要由具备资质的专业人员复核。

• 模型仅检测病灶范围，不预测病灶分级、病理结果或颜色类别。

• 对训练数据未覆盖的设备、机构、人群和采集条件，模型性能可能下降。

License / 许可证

The CervicalSeg Python wrapper is released under the MIT License. The trained weights contain DINOv3 materials and are distributed under the DINOv3 License included as DINOV3_LICENSE.md. WTConv-derived code retains its MIT notice in WTCONV_LICENSE.

CervicalSeg Python 封装代码采用 MIT License。训练权重包含 DINOv3 材料，权重分发遵循仓库中的 DINOV3_LICENSE.md。WTConv 衍生代码保留其 MIT 许可声明。

Author

Shi Minghai (PlanetSMH)