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import torch |
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import re |
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import gradio as gr |
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from transformers import AutoTokenizer, ViTFeatureExtractor, VisionEncoderDecoderModel |
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device='cpu' |
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encoder_checkpoint = "nlpconnect/vit-gpt2-image-captioning" |
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decoder_checkpoint = "nlpconnect/vit-gpt2-image-captioning" |
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model_checkpoint = "nlpconnect/vit-gpt2-image-captioning" |
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feature_extractor = ViTFeatureExtractor.from_pretrained(encoder_checkpoint) |
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tokenizer = AutoTokenizer.from_pretrained(decoder_checkpoint) |
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model = VisionEncoderDecoderModel.from_pretrained(model_checkpoint).to(device) |
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def predict(image,max_length=64, num_beams=4): |
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image = image.convert('RGB') |
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image = feature_extractor(image, return_tensors="pt").pixel_values.to(device) |
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clean_text = lambda x: x.replace('<|endoftext|>','').split('\n')[0] |
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caption_ids = model.generate(image, max_length = max_length)[0] |
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caption_text = clean_text(tokenizer.decode(caption_ids)) |
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return caption_text |
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input = gr.inputs.Image(label="Upload your Image", type = 'pil', optional=True) |
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output = gr.outputs.Textbox(type="text",label="Captions") |
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title = "Image Captioning " |
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interface = gr.Interface( |
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fn=predict, |
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inputs = input, |
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theme="grass", |
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outputs=output, |
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title=title, |
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) |
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interface.launch(debug=True) |