--- pipeline_tag: image-classification license: apache-2.0 base_model: timm/tf_efficientnetv2_l.in21k library_name: zeromodels tags: - keras - zeromodels - image-classification - efficientnetv2 - backbone - arxiv:2104.00298 - pytorch - jax - tf --- ## ***See [our collection](https://huggingface.co/collections/zeromodels/efficientnetv2-6a8eae77918224be1104752f) for all versions of EfficientNetV2.*** # Run EfficientNetV2 with Keras 3: JAX, PyTorch, or TensorFlow [![GitHub](https://img.shields.io/badge/GitHub-ZeroModels-black?logo=github)](https://github.com/IMvision12/ZeroModels) [![Docs](https://img.shields.io/badge/Docs-EfficientNetV2-blue)](https://imvision12.github.io/ZeroModels/classification_backbones/) [![Collection](https://img.shields.io/badge/HF-EfficientNetV2%20collection-yellow)](https://huggingface.co/collections/zeromodels/efficientnetv2-6a8eae77918224be1104752f) # zeromodels/tf_efficientnetv2_l_in21k Paper: [EfficientNetV2: Smaller Models and Faster Training (arXiv:2104.00298)](https://arxiv.org/abs/2104.00298) · [HF Papers](https://huggingface.co/papers/2104.00298) EfficientNetV2 trains faster with Fused-MBConv and progressive learning. Same ImageClassify / Model API as EfficientNet. For more details on the model, please go to the upstream [model card](https://huggingface.co/timm/tf_efficientnetv2_l.in21k). Pure-**Keras 3** conversion of [`timm/tf_efficientnetv2_l.in21k`](https://huggingface.co/timm/tf_efficientnetv2_l.in21k) for [zeromodels](https://github.com/IMvision12/ZeroModels). One implementation runs unmodified on **TensorFlow / Torch / JAX**. This is an **image-classification / backbone** checkpoint (`EfficientNetV2ImageClassify` / `EfficientNetV2Model`). ## ✨ Quick start ```python import os os.environ["KERAS_BACKEND"] = "torch" # or "jax" / "tensorflow" from PIL import Image import numpy as np from zeromodels.models.efficientnetv2 import EfficientNetV2ImageClassify, EfficientNetV2Model model = EfficientNetV2ImageClassify.from_weights("zeromodels/tf_efficientnetv2_l_in21k") backbone = EfficientNetV2Model.from_weights( "zeromodels/tf_efficientnetv2_l_in21k", as_backbone=True ) image = Image.open("your_image.jpg").convert("RGB") image = image.resize((224, 224)) x = np.asarray(image, dtype="float32")[None] # (1, H, W, 3) print(model(x).shape) # (1, num_classes) feats = backbone(x) print(len(feats), [tuple(f.shape) for f in feats]) ``` Load any EfficientNetV2 variant the same way with `from_weights("zeromodels/")`: | Variant | Hub | |---|---| | `tf_efficientnetv2_b0_in1k` | [`zeromodels/tf_efficientnetv2_b0_in1k`](https://huggingface.co/zeromodels/tf_efficientnetv2_b0_in1k) | | `tf_efficientnetv2_b1_in1k` | [`zeromodels/tf_efficientnetv2_b1_in1k`](https://huggingface.co/zeromodels/tf_efficientnetv2_b1_in1k) | | `tf_efficientnetv2_b2_in1k` | [`zeromodels/tf_efficientnetv2_b2_in1k`](https://huggingface.co/zeromodels/tf_efficientnetv2_b2_in1k) | | `tf_efficientnetv2_b3_in1k` | [`zeromodels/tf_efficientnetv2_b3_in1k`](https://huggingface.co/zeromodels/tf_efficientnetv2_b3_in1k) | | `tf_efficientnetv2_b3_in21k_ft_in1k` | [`zeromodels/tf_efficientnetv2_b3_in21k_ft_in1k`](https://huggingface.co/zeromodels/tf_efficientnetv2_b3_in21k_ft_in1k) | | `tf_efficientnetv2_l_in1k` | [`zeromodels/tf_efficientnetv2_l_in1k`](https://huggingface.co/zeromodels/tf_efficientnetv2_l_in1k) | | `tf_efficientnetv2_l_in21k` | [`zeromodels/tf_efficientnetv2_l_in21k`](https://huggingface.co/zeromodels/tf_efficientnetv2_l_in21k) | | `tf_efficientnetv2_l_in21k_ft_in1k` | [`zeromodels/tf_efficientnetv2_l_in21k_ft_in1k`](https://huggingface.co/zeromodels/tf_efficientnetv2_l_in21k_ft_in1k) | | `tf_efficientnetv2_m_in1k` | [`zeromodels/tf_efficientnetv2_m_in1k`](https://huggingface.co/zeromodels/tf_efficientnetv2_m_in1k) | | `tf_efficientnetv2_m_in21k` | [`zeromodels/tf_efficientnetv2_m_in21k`](https://huggingface.co/zeromodels/tf_efficientnetv2_m_in21k) | | `tf_efficientnetv2_m_in21k_ft_in1k` | [`zeromodels/tf_efficientnetv2_m_in21k_ft_in1k`](https://huggingface.co/zeromodels/tf_efficientnetv2_m_in21k_ft_in1k) | | `tf_efficientnetv2_s_in1k` | [`zeromodels/tf_efficientnetv2_s_in1k`](https://huggingface.co/zeromodels/tf_efficientnetv2_s_in1k) | | `tf_efficientnetv2_s_in21k` | [`zeromodels/tf_efficientnetv2_s_in21k`](https://huggingface.co/zeromodels/tf_efficientnetv2_s_in21k) | | `tf_efficientnetv2_s_in21k_ft_in1k` | [`zeromodels/tf_efficientnetv2_s_in21k_ft_in1k`](https://huggingface.co/zeromodels/tf_efficientnetv2_s_in21k_ft_in1k) | | `tf_efficientnetv2_xl_in21k` | [`zeromodels/tf_efficientnetv2_xl_in21k`](https://huggingface.co/zeromodels/tf_efficientnetv2_xl_in21k) | | `tf_efficientnetv2_xl_in21k_ft_in1k` | [`zeromodels/tf_efficientnetv2_xl_in21k_ft_in1k`](https://huggingface.co/zeromodels/tf_efficientnetv2_xl_in21k_ft_in1k) | ## Tips - Set `KERAS_BACKEND` **before** importing Keras / zeromodels. - `EfficientNetV2ImageClassify` returns class logits; `EfficientNetV2Model` returns features (`as_backbone=True` for multi-scale stages). - See [docs](https://imvision12.github.io/ZeroModels/classification_backbones/) and [Loading Weights](https://imvision12.github.io/ZeroModels/loading_weights/). - Upstream / timm checkpoints: `EfficientNetV2ImageClassify.from_weights("hf:timm/tf_efficientnetv2_l.in21k")`. ## Special Thanks A huge thank you to the EfficientNetV2 authors and the timm / Hub communities for creating and releasing these models. License: see YAML `license` (usually matches the upstream checkpoint).