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Upload app.py

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+ import os
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+ os.system('pip install git+https://github.com/huggingface/transformers.git --upgrade')
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+
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+ import gradio as gr
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+ from transformers import TrOCRProcessor, VisionEncoderDecoderModel
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+ import requests
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+ from PIL import Image
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+
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+ processor = TrOCRProcessor.from_pretrained("microsoft/trocr-large-printed")
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+ model = VisionEncoderDecoderModel.from_pretrained("microsoft/trocr-large-printed")
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+
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+ # load image examples
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+ urls = ['https://fki.tic.heia-fr.ch/static/img/a01-122-02.jpg', 'https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcSoolxi9yWGAT5SLZShv8vVd0bz47UWRzQC19fDTeE8GmGv_Rn-PCF1pP1rrUx8kOjA4gg&usqp=CAU',
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+ 'https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcRNYtTuSBpZPV_nkBYPMFwVVD9asZOPgHww4epu9EqWgDmXW--sE2o8og40ZfDGo87j5w&usqp=CAU']
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+ for idx, url in enumerate(urls):
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+ image = Image.open(requests.get(url, stream=True).raw)
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+ image.save(f"image_{idx}.png")
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+
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+ def process_image(image):
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+ # prepare image
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+ pixel_values = processor(image, return_tensors="pt").pixel_values
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+
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+ # generate (no beam search)
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+ generated_ids = model.generate(pixel_values)
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+
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+ # decode
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+ generated_text = processor.batch_decode(generated_ids, skip_special_tokens=True)[0]
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+
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+ return generated_text
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+
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+ title = "Interactive demo: TrOCR"
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+ description = "Demo for Microsoft's TrOCR, an encoder-decoder model consisting of an image Transformer encoder and a text Transformer decoder for state-of-the-art optical character recognition (OCR) on single-text line images. This particular model is fine-tuned on IAM, a dataset of annotated handwritten images. To use it, simply upload a (single-text line) image or use one of the example images below and click 'submit'. Results will show up in a few seconds."
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+ article = "<p style='text-align: center'><a href='https://arxiv.org/abs/2109.10282'>TrOCR: Transformer-based Optical Character Recognition with Pre-trained Models</a> | <a href='https://github.com/microsoft/unilm/tree/master/trocr'>Github Repo</a></p>"
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+ examples =[["image_5.png"], ["image_0.png"], ["image_1.png"], ["image_2.png"]]
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+
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+ #css = """.output_image, .input_image {height: 600px !important}"""
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+
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+ iface = gr.Interface(fn=process_image,
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+ inputs=gr.inputs.Image(type="pil"),
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+ outputs=gr.outputs.Textbox(),
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+ title=title,
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+ description=description,
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+ article=article,
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+ examples=examples)
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+ iface.launch(debug=True)