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pretty_name: Outpainted for Image Cropping
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license: other
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license_name: research-only
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task_categories:
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- image-to-image
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- object-detection
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tags:
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- image
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- computer-vision
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- image-cropping
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- bounding-box
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- outpainting
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- inpainting
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- stable-diffusion
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- composition
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- imagefolder
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size_categories:
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- 10K<n<100K
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---
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# Outpainted for Image Cropping
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<p align="center">
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<a href="./README.md">English</a> | <a href="./README_zh.md">
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</p>
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##
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``
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```
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---
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pretty_name: Outpainted for Image Cropping
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license: other
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license_name: research-only
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task_categories:
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- image-to-image
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- object-detection
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tags:
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- image
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- computer-vision
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- image-cropping
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- bounding-box
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- outpainting
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- inpainting
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- stable-diffusion
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- composition
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- imagefolder
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size_categories:
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- 10K<n<100K
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---
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# Outpainted for Image Cropping
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<p align="center">
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<a href="./README.md">English</a> | <a href="./README_zh.md">中文</a>
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</p>
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## 数据集简介
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本数据集包含一批通过 **Stable Diffusion v2 Inpaint** 扩图得到的图像,以及每张扩图图像中“原始图像区域”的边界框标注。数据集主要面向图像裁剪、原始画幅恢复、构图感知裁剪和扩图感知视觉理解等研究任务。
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每个样本包含:
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- 一张扩图后的图片;
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- `orig_bbox`:原图在扩展画布中的位置;
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- `composition_tags`:图片构图标签列表,部分为空。
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## 数据生成流程
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数据生成流程如下:
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1. 收集专业摄影图片或高美学评分图片。
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2. 获取或生成图像描述,例如使用 BLIP 生成 caption。
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3. 设置待扩展边距。
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4. 使用 **Stable Diffusion v2 Inpaint** 对扩展区域进行补全。
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5. 使用正面提示词约束生成内容。
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6. 使用负面提示词减少不希望出现的内容,例如 `frame`、`border`、`text`、`watermark` 等。
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7. 对生成结果进行伪影检测、一致性检测。
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8. 进行人工核查。
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9. 保留通过质量检查的样本,并记录原图区域 bbox,形成 training pairs。
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`orig_bbox` 使用如下格式:
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```text
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[x_min, y_min, x_max, y_max]
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```
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该 bbox 表示原始图像区域在扩图后画布中的位置,而不是目标检测中的物体框。
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## 数据来源
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本数据集的源图像来自或参考以下公开数据集/仓库:
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1. **PICD: Photographic Image Composition Dataset**
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https://github.com/CV-xueba/PICD_ImageComposition
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2. **LAION Aesthetics v2 4.75**
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https://huggingface.co/datasets/laion/aesthetics_v2_4.75
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3. **Landscape-Dataset**
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https://github.com/koishi70/Landscape-Dataset/tree/master
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## 数据结构
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```text
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outpainted-for-image-cropping/
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├── README.md
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├── metadata.jsonl
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├── stats.json
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└── images/
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├── img_000000.png
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├── img_000001.png
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└── ...
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```
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`metadata.jsonl` 中每一行对应一个样本,例如:
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```json
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{
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"file_name": "images/img_000000.png",
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"orig_bbox": [281, 77, 881, 487],
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"composition_tags": ["HORI2"]
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}
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```
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### 字段说明
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- `file_name`:扩图后图片的相对路径。
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- `orig_bbox`:原图区域在扩图画布中的边界框,格式为 `[x_min, y_min, x_max, y_max]`。
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- `composition_tags`:从原始数据集中解析得到的构图标签列表。若没有可靠的构图标签,则为空列表 `[]`。
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## 数据集统计
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高频构图标签:
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| 标签 | 数量 |
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|---|---:|
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| HORI2 | 1,956 |
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| HORI3 | 1,694 |
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| DIFFUSE | 1,600 |
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| DENSE | 1,436 |
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| DIA | 1,305 |
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| LINE_VERTI3 | 1,156 |
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| PATTERN | 1,000 |
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| LINE_VERTI_MANY | 983 |
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| POINT_MULTI_HORI | 64 |
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| LINE_VERTI2 | 55 |
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## 使用方式
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从 Hugging Face Hub 加载:
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```python
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from datasets import load_dataset
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dataset = load_dataset("zzsyppt/outpainted-for-image-cropping")
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print(dataset)
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print(dataset["train"][0])
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```
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本地上传前检查:
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```python
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from datasets import load_dataset
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dataset = load_dataset("imagefolder", data_dir="./hf_dataset")
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print(dataset)
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print(dataset["train"][0])
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```
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预期字段包括:
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```text
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image
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orig_bbox
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composition_tags
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```
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## 引用
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本数据集仅用于个人用途。如果使用本数据集,请根据实际使用的样本来源引用对应上游数据集。
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### PICD
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```bibtex
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@inproceedings{zhao2025can,
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title={Can Machines Understand Composition? Dataset and Benchmark for Photographic Image Composition Embedding and Understanding},
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author={Zhao, Zhaoran and Lu, Peng and Zhang, Anran and Li, Peipei and Li, Xia and Liu, Xuannan and Hu, Yang and Chen, Shiyi and Wang, Liwei and Guo, Wenhao},
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booktitle={Proceedings of the Computer Vision and Pattern Recognition Conference},
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pages={14411--14421},
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year={2025}
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}
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```
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### LAION-Aesthetics
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请参考 LAION 官方页面和对应 Hugging Face 数据集页面引用 LAION-Aesthetics / LAION-5B 相关工作:
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- https://laion.ai/blog/laion-aesthetics/
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- https://huggingface.co/datasets/laion/aesthetics_v2_4.75
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### Landscape-Dataset
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请参考原始仓库:
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- https://github.com/koishi70/Landscape-Dataset/tree/master
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## 致谢
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本数据集的生成使用了 Stable Diffusion v2 Inpaint,并参考或使用了公开图像数据源。感谢上游数据集、仓库和模型的创建者与维护者。
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