Add leaf-classification application

Signed-off-by: Marcela Rosales <marcelarosalesj@gmail.com>

app.py

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+import datasets
+from transformers import AutoFeatureExtractor, AutoModelForImageClassification
+import gradio as gr
+import torch
+
+dataset = datasets.load_dataset('beans')
+extractor = AutoFeatureExtractor.from_pretrained("saved_model_files")
+model = AutoModelForImageClassification.from_pretrained("saved_model_files")
+
+labels = dataset['train'].features['labels'].names
+
+def classify(im):
+  features = extractor(im, return_tensors='pt')
+  logits = model(features["pixel_values"])[-1]
+  probability = torch.nn.functional.softmax(logits, dim=-1)
+  probs = probability[0].detach().numpy()
+  confidences = {label: float(probs[i]) for i, label in enumerate(labels)} 
+  return confidences
+
+
+interface = gr.Interface(fn=classify, inputs="image", outputs="label", title="Bean leaf classification")
+
+interface.launch()

requirements.txt

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+datasets
+transformers
+evaluate
+gradio
+torch

saved_model_files/config.json

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+{
+  "_name_or_path": "google/vit-base-patch16-224",
+  "architectures": [
+    "ViTForImageClassification"
+  ],
+  "attention_probs_dropout_prob": 0.0,
+  "encoder_stride": 16,
+  "hidden_act": "gelu",
+  "hidden_dropout_prob": 0.0,
+  "hidden_size": 768,
+  "id2label": {
+    "0": "angular_leaf_spot",
+    "1": "bean_rust",
+    "2": "healthy"
+  },
+  "image_size": 224,
+  "initializer_range": 0.02,
+  "intermediate_size": 3072,
+  "label2id": {
+    "angular_leaf_spot": "0",
+    "bean_rust": "1",
+    "healthy": "2"
+  },
+  "layer_norm_eps": 1e-12,
+  "model_type": "vit",
+  "num_attention_heads": 12,
+  "num_channels": 3,
+  "num_hidden_layers": 12,
+  "patch_size": 16,
+  "problem_type": "single_label_classification",
+  "qkv_bias": true,
+  "torch_dtype": "float32",
+  "transformers_version": "4.22.1"
+}

saved_model_files/preprocessor_config.json

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+{
+  "do_normalize": true,
+  "do_resize": true,
+  "feature_extractor_type": "ViTFeatureExtractor",
+  "image_mean": [
+    0.5,
+    0.5,
+    0.5
+  ],
+  "image_std": [
+    0.5,
+    0.5,
+    0.5
+  ],
+  "resample": 2,
+  "size": 224
+}

saved_model_files/pytorch_model.bin

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+oid sha256:fd018310f8754332e40e893c953ed7f126202c1bd87ce7620ed20bd35051896d
+size 343270065

saved_model_files/training_args.bin

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+oid sha256:597902f4ad0b002d61c27791d0dea212b2a3f8ccd2cd25eb2dc3c0980971577a
+size 3375