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transformers/docs/source/en/model_doc/hgnet_v2.md
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<!--Copyright 2025 The HuggingFace Team. All rights reserved.
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Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
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the License. You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
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an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
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specific language governing permissions and limitations under the License.
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⚠️ Note that this file is in Markdown but contain specific syntax for our doc-builder (similar to MDX) that may not be
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rendered properly in your Markdown viewer.
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-->
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*This model was released on 2024-07-01 and added to Hugging Face Transformers on 2025-04-29.*
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<div style="float: right;">
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<div class="flex flex-wrap space-x-1">
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<img alt="PyTorch" src="https://img.shields.io/badge/PyTorch-DE3412?style=flat&logo=pytorch&logoColor=white">
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</div>
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</div>
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# HGNet-V2
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[HGNetV2](https://github.com/PaddlePaddle/PaddleClas/blob/v2.6.0/docs/zh_CN/models/ImageNet1k/PP-HGNetV2.md) is a next-generation convolutional neural network (CNN) backbone built for optimal accuracy-latency tradeoff on NVIDIA GPUs. Building on the original[HGNet](https://github.com/PaddlePaddle/PaddleClas/blob/v2.6.0/docs/en/models/PP-HGNet_en.md), HGNetV2 delivers high accuracy at fast inference speeds and performs strongly on tasks like image classification, object detection, and segmentation, making it a practical choice for GPU-based computer vision applications.
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You can find all the original HGNet V2 models under the [USTC](https://huggingface.co/ustc-community/models?search=hgnet) organization.
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> [!TIP]
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> This model was contributed by [VladOS95-cyber](https://github.com/VladOS95-cyber).
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> Click on the HGNet V2 models in the right sidebar for more examples of how to apply HGNet V2 to different computer vision tasks.
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The example below demonstrates how to classify an image with [`Pipeline`] or the [`AutoModel`] class.
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<hfoptions id="usage">
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<hfoption id="Pipeline">
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```py
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import torch
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from transformers import pipeline
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pipeline = pipeline(
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task="image-classification",
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model="ustc-community/hgnet-v2",
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dtype=torch.float16,
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device=0
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)
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pipeline("http://images.cocodataset.org/val2017/000000039769.jpg")
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```
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</hfoption>
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<hfoption id="AutoModel">
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```py
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import torch
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import requests
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from transformers import HGNetV2ForImageClassification, AutoImageProcessor
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from PIL import Image
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url = "http://images.cocodataset.org/val2017/000000039769.jpg"
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image = Image.open(requests.get(url, stream=True).raw)
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model = HGNetV2ForImageClassification.from_pretrained("ustc-community/hgnet-v2")
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processor = AutoImageProcessor.from_pretrained("ustc-community/hgnet-v2")
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inputs = processor(images=image, return_tensors="pt")
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with torch.no_grad():
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logits = model(**inputs).logits
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predicted_class_id = logits.argmax(dim=-1).item()
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class_labels = model.config.id2label
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predicted_class_label = class_labels[predicted_class_id]
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print(f"The predicted class label is: {predicted_class_label}")
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```
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</hfoption>
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</hfoptions>
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## HGNetV2Config
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[[autodoc]] HGNetV2Config
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## HGNetV2Backbone
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[[autodoc]] HGNetV2Backbone
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- forward
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## HGNetV2ForImageClassification
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[[autodoc]] HGNetV2ForImageClassification
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- forward
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