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README.md
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license: mit
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---
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license: mit
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pipeline_tag: image-classification
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library_name: pytorch
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base_model: microsoft/swin-small-patch4-window7-224
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metrics:
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- accuracy
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- f1
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- auc
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tags:
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- swin-transformer
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- timm
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- image-classification
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- plant-disease
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- tea-leaf
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- rgb-hsv
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- color-aware
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datasets:
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- tea-leaf-disease
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language:
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- en
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---
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# Swin Transformer (RGB + HSV) for Tea Leaf Disease Classification π±π
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This repository provides a **Swin Transformer Small** model fine-tuned for **tea leaf disease classification** using a **color-aware RGB + HSV fusion** strategy.
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The model achieves **strong generalization performance** with high accuracy and AUC on the test set.
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---
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## π§ Model Overview
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- **Architecture:** Swin Transformer Small (`swin_small_patch4_window7_224`)
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- **Pretrained:** Yes (ImageNet)
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- **Input:** RGB + HSV
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- **HSV Fusion:** Raw HSV channels (no sin/cos encoding)
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- **Gating:** Vector gate (disabled in this run)
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- **DropPath:** 0.2
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- **EMA:** Enabled
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- **AMP:** Enabled
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- **Framework:** PyTorch (timm-style training)
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---
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## π Model Complexity
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| Metric | Value |
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|------|------|
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| Parameters | **49.47M** |
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| GFLOPs | **17.16** |
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| Weights size | **~200 MB** |
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---
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## π Final Test Performance
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Evaluation performed using **EMA weights from the best checkpoint (epoch 93)**.
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| Metric | Score |
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|------|------|
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| **Top-1 Accuracy** | **96.01%** |
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| **Macro-F1** | **95.51%** |
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| **Macro-AUC** | **99.59%** |
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**Benchmark details**
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- Test images: **212**
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- Total inference time: **2.30s**
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- Throughput: **92.3 images/sec**
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---
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## π Inference Speed
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- **Post-warmup forward-only**
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- **92.3 img/s** on GPU
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---
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## ποΈ Training Details
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- **Experiment name:** `swin_small_hsv_raw`
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- **Device:** CUDA
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- **Epochs:** 100
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- **Best checkpoint:** Epoch 93
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- **Gradient accumulation:** 1
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- **HSV gate warmup:** 5 epochs
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---
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## π¦ Model Files
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- `model.safetensors` β final EMA weights (recommended)
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- Config and training artifacts included in repository
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---
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## π§ͺ Intended Use
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This model is designed for:
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- Tea leaf disease classification
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- Agricultural decision-support systems
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- Research on color-aware vision transformers
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β οΈ **Not intended as a medical or agronomic diagnostic tool.**
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---
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## β οΈ Limitations
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- Performance may degrade under:
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- extreme lighting changes
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- motion blur
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- unseen disease categories
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- Dataset-specific bias may exist
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---
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## π§βπ» How to Use (PyTorch + timm)
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```python
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import timm
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import torch
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from PIL import Image
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from torchvision import transforms
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# Create model
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model = timm.create_model(
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"swin_small_patch4_window7_224",
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pretrained=False,
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num_classes=NUM_CLASSES
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)
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# Load weights
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state = torch.load("model.safetensors", map_location="cpu")
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model.load_state_dict(state, strict=False)
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model.eval()
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# Preprocessing
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transform = transforms.Compose([
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transforms.Resize(256),
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transforms.CenterCrop(224),
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transforms.ToTensor(),
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transforms.Normalize(
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mean=(0.485, 0.456, 0.406),
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std=(0.229, 0.224, 0.225)
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)
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])
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img = Image.open("tea_leaf.jpg").convert("RGB")
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x = transform(img).unsqueeze(0)
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with torch.no_grad():
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logits = model(x)
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pred = logits.argmax(dim=1).item()
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print("Predicted class:", pred)
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---
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