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[**中文说明**](README_CN.md) | [**English**](README.md)
# 项目介绍
本项目旨在提供更好的中文CLIP模型。该项目使用的训练数据均为公开可访问的图像URL及相关中文文本描述，总量达到400M。经过筛选后，我们最终使用了100M的数据进行训练。
本项目于QQ-ARC Joint Lab, Tencent PCG完成。
更详细的信息可以参考[QA-CLIP项目的主页面](https://huggingface.co/TencentARC/QA-CLIP)。
<br><br>
## 实验结果
针对图文检索任务，我们在[MUGE Retrieval](https://tianchi.aliyun.com/muge)、[Flickr30K-CN](https://github.com/li-xirong/cross-lingual-cap)和[COCO-CN](https://github.com/li-xirong/coco-cn)上进行了zero-shot测试。
针对图像零样本分类任务，我们在ImageNet数据集上进行了测试。测试结果见下表：
**Flickr30K-CN Zero-shot Retrieval (Official Test Set)**:
<table border="1" width="120%">
<tr align="center">
<th>Task</th><th colspan="3">Text-to-Image</th><th colspan="3">Image-to-Text</th>
</tr>
<tr align="center">
<td>Metric</td><td>R@1</td><td>R@5</td><td>R@10</td><td>R@1</td><td>R@5</td><td>R@10</td>
</tr>
<tr align="center">
<td width="120%">CN-CLIP<sub>RN50</sub></td><td>48.8</td><td>76.0</td><td>84.6</td><td>60.0</td><td>85.9</td><td>92.0</td>
</tr>
<tr align="center", style="background-color: Honeydew;">
<td width="120%">QA-CLIP<sub>RN50</sub></td><td><b>50.5</b></td><td><b>77.4</b></td><td><b>86.1</b></td><td><b>67.1</b></td><td><b>87.9</b></td><td><b>93.2</b></td>
</tr>
<tr align="center">
<td width="120%">CN-CLIP<sub>ViT-B/16</sub></td><td>62.7</td><td>86.9</td><td>92.8</td><td>74.6</td><td>93.5</td><td>97.1</td>
</tr>
<tr align="center", style="background-color: Honeydew;">
<td width="120%">QA-CLIP<sub>ViT-B/16</sub></td><td><b>63.8</b></td><td><b>88.0</b></td><td><b>93.2</b></td><td><b>78.4</b></td><td><b>96.1</b></td><td><b>98.5</b></td>
</tr>
<tr align="center">
<td width="120%">CN-CLIP<sub>ViT-L/14</sub></td><td>68.0</td><td>89.7</td><td>94.4</td><td>80.2</td><td>96.6</td><td>98.2</td>
</tr>
<tr align="center">
<td width="120%">AltClip<sub>ViT-L/14</sub></td><td><b>69.7</b></td><td>90.1</td><td><b>94.8</b></td><td>84.8</td><td>97.7</td><td>99.1</td>
</tr>
<tr align="center", style="background-color: Honeydew;">
<td width="120%">QA-CLIP<sub>ViT-L/14</sub></td><td>69.3</td><td><b>90.3</b></td><td>94.7</td><td><b>85.3</b></td><td><b>97.9</b></td><td><b>99.2</b></td>
</tr>
</table>
<br>
**MUGE Zero-shot Retrieval (Official Validation Set)**:
<table border="1" width="120%">
<tr align="center">
<th>Task</th><th colspan="3">Text-to-Image</th><th colspan="3">Image-to-Text</th>
</tr>
<tr align="center">
<td>Metric</td><td>R@1</td><td>R@5</td><td>R@10</td><td>R@1</td><td>R@5</td><td>R@10</td>
</tr>
<tr align="center">
<td width="120%">CN-CLIP<sub>RN50</sub></td><td>42.6</td><td>68.5</td><td>78.0</td><td>30.0</td><td>56.2</td><td>66.9</td>
</tr>
<tr align="center", style="background-color: Honeydew;">
<td width="120%">QA-CLIP<sub>RN50</sub></td><td><b>44.0</b></td><td><b>69.9</b></td><td><b>79.5</b></td><td><b>32.4</b></td><td><b>59.5</b></td><td><b>70.3</b></td>
</tr>
<tr align="center">
<td width="120%">CN-CLIP<sub>ViT-B/16</sub></td><td>52.1</td><td>76.7</td><td>84.4</td><td>38.7</td><td>65.6</td><td>75.1</td>
</tr>
<tr align="center", style="background-color: Honeydew;">
<td width="120%">QA-CLIP<sub>ViT-B/16</sub></td><td><b>53.2</b></td><td><b>77.7</b></td><td><b>85.1</b></td><td><b>40.7</b></td><td><b>68.2</b></td><td><b>77.2</b></td>
</tr>
<tr align="center">
<td width="120%">CN-CLIP<sub>ViT-L/14</sub></td><td>56.4</td><td>79.8</td><td>86.2</td><td>42.6</td><td>69.8</td><td>78.6</td>
</tr>
<tr align="center">
<td width="120%">AltClip<sub>ViT-L/14</sub></td><td>29.6</td><td>49.9</td><td>58.8</td><td>21.4</td><td>42.0</td><td>51.9</td>
</tr>
<tr align="center", style="background-color: Honeydew;">
<td width="120%">QA-CLIP<sub>ViT-L/14</sub></td><td><b>57.4</b></td><td><b>81.0</b></td><td><b>87.7</b></td><td><b>45.5</b></td><td><b>73.0</b></td><td><b>81.4</b></td>
</tr>
</table>
<br>
**COCO-CN Zero-shot Retrieval (Official Test Set)**:
<table border="1" width="120%">
<tr align="center">
<th>Task</th><th colspan="3">Text-to-Image</th><th colspan="3">Image-to-Text</th>
</tr>
<tr align="center">
<td>Metric</td><td>R@1</td><td>R@5</td><td>R@10</td><td>R@1</td><td>R@5</td><td>R@10</td>
</tr>
<tr align="center">
<td width="120%">CN-CLIP<sub>RN50</sub></td><td>48.1</td><td>81.3</td><td>90.5</td><td>50.9</td><td>81.1</td><td>90.5</td>
</tr>
<tr align="center", style="background-color: Honeydew;">
<td width="120%">QA-CLIP<sub>RN50</sub></td><td><b>50.1</b></td><td><b>82.5</b></td><td><b>91.7</b></td><td><b>56.7</b></td><td><b>85.2</b></td><td><b>92.9</b></td>
</tr>
<tr align="center">
<td width="120%">CN-CLIP<sub>ViT-B/16</sub></td><td>62.2</td><td>87.1</td><td>94.9</td><td>56.3</td><td>84.0</td><td>93.3</td>
</tr>
<tr align="center", style="background-color: Honeydew;">
<td width="120%">QA-CLIP<sub>ViT-B/16</sub></td><td><b>62.9</b></td><td><b>87.7</b></td><td><b>94.7</b></td><td><b>61.5</b></td><td><b>87.6</b></td><td><b>94.8</b></td>
</tr>
<tr align="center">
<td width="120%">CN-CLIP<sub>ViT-L/14</sub></td><td>64.9</td><td>88.8</td><td>94.2</td><td>60.6</td><td>84.4</td><td>93.1</td>
</tr>
<tr align="center">
<td width="120%">AltClip<sub>ViT-L/14</sub></td><td>63.5</td><td>87.6</td><td>93.5</td><td>62.6</td><td><b>88.5</b></td><td><b>95.9</b></td>
</tr>
<tr align="center", style="background-color: Honeydew;">
<td width="120%">QA-CLIP<sub>ViT-L/14</sub></td><td><b>65.7</b></td><td><b>90.2</b></td><td><b>95.0</b></td><td><b>64.5</b></td><td>88.3</td><td>95.1</td>
</tr>
</table>
<br>
**Zero-shot Image Classification on ImageNet**:
<table border="1" width="120%">
<tr align="center">
<th>Task</th><th colspan="1">ImageNet</th>
</tr>
<tr align="center">
<td width="120%">CN-CLIP<sub>RN50</sub></td><td>33.5</td>
</tr>
<tr align="center", style="background-color: Honeydew;">
<td width="120%">QA-CLIP<sub>RN50</sub></td><td><b>35.5</b></td>
</tr>
<tr align="center">
<td width="120%">CN-CLIP<sub>ViT-B/16</sub></td><td>48.4</td>
</tr>
<tr align="center", style="background-color: Honeydew;">
<td width="120%">QA-CLIP<sub>ViT-B/16</sub></td><td><b>49.7</b></td>
</tr>
<tr align="center">
<td width="120%">CN-CLIP<sub>ViT-L/14</sub></td><td>54.7</td>
</tr>
<tr align="center", style="background-color: Honeydew;">
<td width="120%">QA-CLIP<sub>ViT-L/14</sub></td><td><b>55.8</b></td>
</tr>
</table>
<br>
<br><br>
# 使用教程
## 推理代码
推理代码示例：
```python
from PIL import Image
import requests
from transformers import ChineseCLIPProcessor, ChineseCLIPModel
model = ChineseCLIPModel.from_pretrained("TencentARC/QA-CLIP-ViT-L-14")
processor = ChineseCLIPProcessor.from_pretrained("TencentARC/QA-CLIP-ViT-L-14")
url = "https://clip-cn-beijing.oss-cn-beijing.aliyuncs.com/pokemon.jpeg"
image = Image.open(requests.get(url, stream=True).raw)
# Squirtle, Bulbasaur, Charmander, Pikachu in English
texts = ["杰尼龟", "妙蛙种子", "小火龙", "皮卡丘"]
# compute image feature
inputs = processor(images=image, return_tensors="pt")
image_features = model.get_image_features(**inputs)
image_features = image_features / image_features.norm(p=2, dim=-1, keepdim=True) # normalize
# compute text features
inputs = processor(text=texts, padding=True, return_tensors="pt")
text_features = model.get_text_features(**inputs)
text_features = text_features / text_features.norm(p=2, dim=-1, keepdim=True) # normalize
# compute image-text similarity scores
inputs = processor(text=texts, images=image, return_tensors="pt", padding=True)
outputs = model(**inputs)
logits_per_image = outputs.logits_per_image # this is the image-text similarity score
probs = logits_per_image.softmax(dim=1)
```
<br><br>
# 致谢
项目代码基于<b>[Chinese-CLIP](https://github.com/OFA-Sys/Chinese-CLIP)</b>实现，非常感谢他们优秀的开源工作。
<br><br>