Duplicate from Ammar-alhaj-ali/LayoutLMv3-FUNSD

Co-authored-by: Ammar Alhaj Ali <Ammar-alhaj-ali@users.noreply.huggingface.co>

requirements.txt

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+PyYAML==6.0
+git+https://github.com/huggingface/transformers.git
+pytesseract==0.3.9
+datasets==2.2.2
+seqeval==1.2.2
+
+

.gitattributes

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+*.arrow filter=lfs diff=lfs merge=lfs -text
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+saved_model/**/* filter=lfs diff=lfs merge=lfs -text
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README.md

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+---
+title: LayoutLMv3 Fine Tuning FUNSD
+emoji: 📉
+colorFrom: pink
+colorTo: indigo
+sdk: gradio
+sdk_version: 3.2
+app_file: app.py
+pinned: false
+duplicated_from: Ammar-alhaj-ali/LayoutLMv3-FUNSD
+---
+
+Check out the configuration reference at https://huggingface.co/docs/hub/spaces-config-reference

app.py

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+import os
+os.system('pip3 install torch torchvision torchaudio --extra-index-url https://download.pytorch.org/whl/cpu')
+os.system('pip install -q git+https://github.com/huggingface/transformers.git')
+os.system('pip install pytesseract')
+
+
+
+import gradio as gr
+import numpy as np
+from transformers import AutoModelForTokenClassification
+from datasets.features import ClassLabel
+from transformers import AutoProcessor
+from datasets import Features, Sequence, ClassLabel, Value, Array2D, Array3D
+import torch
+from datasets import load_metric
+from transformers import LayoutLMv3ForTokenClassification
+from transformers.data.data_collator import default_data_collator
+
+
+from transformers import AutoModelForTokenClassification
+from datasets import load_dataset
+from PIL import Image, ImageDraw, ImageFont
+
+
+processor = AutoProcessor.from_pretrained("Ammar-alhaj-ali/LayoutLMv3-Fine-Tuning-FUNSD", apply_ocr=True)
+model = AutoModelForTokenClassification.from_pretrained("Ammar-alhaj-ali/LayoutLMv3-Fine-Tuning-FUNSD")
+
+# load image example
+#dataset = load_dataset("nielsr/funsd-layoutlmv3", split="test")
+#Image.open(dataset[2]["image_path"]).convert("RGB").save("img1.png")
+#Image.open(dataset[1]["image_path"]).convert("RGB").save("img2.png")
+#Image.open(dataset[0]["image_path"]).convert("RGB").save("img3.png")
+# define id2label, label2color
+labels = ['O', 'B-HEADER', 'I-HEADER', 'B-QUESTION', 'I-QUESTION', 'B-ANSWER', 'I-ANSWER']
+id2label = {v: k for v, k in enumerate(labels)}
+label2color = {
+    "B-HEADER": 'red',
+    "I-HEADER": 'red',
+    "B-QUESTION": 'red',
+    "I-QUESTION": "red",
+    "B-ANSWER": 'blue',
+    "I-ANSWER": 'blue',
+    "O": 'orange'
+  } 
+
+def unnormalize_box(bbox, width, height):
+     return [
+         width * (bbox[0] / 1000),
+         height * (bbox[1] / 1000),
+         width * (bbox[2] / 1000),
+         height * (bbox[3] / 1000),
+     ]
+
+
+def iob_to_label(label):
+    return label
+
+
+
+def process_image(image):
+
+    print(type(image))
+    width, height = image.size
+
+    # encode
+    encoding = processor(image, truncation=True, return_offsets_mapping=True, return_tensors="pt")
+    offset_mapping = encoding.pop('offset_mapping')
+
+    # forward pass
+    outputs = model(**encoding)
+
+    # get predictions
+    predictions = outputs.logits.argmax(-1).squeeze().tolist()
+    token_boxes = encoding.bbox.squeeze().tolist()
+
+    # only keep non-subword predictions
+    is_subword = np.array(offset_mapping.squeeze().tolist())[:,0] != 0
+    true_predictions = [id2label[pred] for idx, pred in enumerate(predictions) if not is_subword[idx]]
+    true_boxes = [unnormalize_box(box, width, height) for idx, box in enumerate(token_boxes) if not is_subword[idx]]
+
+    # draw predictions over the image
+    draw = ImageDraw.Draw(image)
+    font = ImageFont.load_default()
+    for prediction, box in zip(true_predictions, true_boxes):
+        predicted_label = iob_to_label(prediction)
+        draw.rectangle(box, outline=label2color[predicted_label]) #label2color[predicted_label]
+        draw.text((box[0]+10, box[1]-10), text=predicted_label, fill=label2color[predicted_label], font=font) #label2color[predicted_label]
+    
+    return image
+
+
+title = "Extracting information from FUNSD using the LayoutLMv3 "
+description = "I Fine tuned LayoutLMv3 on FUNSD (Form Understanding in. Noisy Scanned Documents) "
+
+article="<b>References</b><br>[1] Y. Xu et al., “LayoutLMv3: Pre-training for Document AI with Unified Text and Image Masking.” 2022. <a href='https://arxiv.org/abs/2204.08387'>Paper Link</a><br>[2]" 
+
+examples =[['img1.png'],['img2.png'],['img3.png']]
+
+css = """.output_image, .input_image {height: 600px !important}"""
+
+iface = gr.Interface(fn=process_image, 
+                     inputs=gr.inputs.Image(type="pil"), 
+                     outputs=gr.outputs.Image(type="pil", label="annotated image"),
+                     title=title,
+                     description=description,
+                     article=article,
+                     examples=examples,
+                     css=css,
+                     analytics_enabled = True, enable_queue=True)
+
+iface.launch(inline=False, share=False, debug=False)

packages.txt

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+ffmpeg
+libsm6
+libxext6 -y
+libgl1
+-y libgl1-mesa-glx
+tesseract-ocr