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import gradio as gr |
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import tempfile |
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from transformers import MT5ForConditionalGeneration, MT5Tokenizer,VisionEncoderDecoderModel, ViTImageProcessor, AutoTokenizer |
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import torch |
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from PIL import Image |
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device = torch.device("cuda" if torch.cuda.is_available() else "cpu") |
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model_name = "SeyedAli/English-to-Persian-Translation-mT5-V1" |
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translation_tokenizer = MT5Tokenizer.from_pretrained(model_name) |
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translation_model = MT5ForConditionalGeneration.from_pretrained(model_name) |
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translation_model=translation_model.to(device) |
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def run_transaltion_model(input_string, **generator_args): |
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input_ids = translation_tokenizer.encode(input_string, return_tensors="pt") |
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res = translation_model.generate(input_ids, **generator_args) |
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output = translation_tokenizer.batch_decode(res, skip_special_tokens=True) |
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return output |
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model = VisionEncoderDecoderModel.from_pretrained("nlpconnect/vit-gpt2-image-captioning") |
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feature_extractor = ViTImageProcessor.from_pretrained("nlpconnect/vit-gpt2-image-captioning") |
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tokenizer = AutoTokenizer.from_pretrained("nlpconnect/vit-gpt2-image-captioning") |
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model=model.to(device) |
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max_length = 32 |
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num_beams = 4 |
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gen_kwargs = {"max_length": max_length, "num_beams": num_beams} |
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def predict_step(image_paths): |
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images = [] |
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for image_path in image_paths: |
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i_image = Image.open(image_path) |
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if i_image.mode != "RGB": |
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i_image = i_image.convert(mode="RGB") |
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images.append(i_image) |
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pixel_values = feature_extractor(images=images, return_tensors="pt").pixel_values |
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pixel_values = pixel_values.to(device) |
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output_ids = model.generate(pixel_values, **gen_kwargs) |
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preds = tokenizer.batch_decode(output_ids, skip_special_tokens=True) |
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preds = [pred.strip() for pred in preds] |
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return run_transaltion_model(preds[0])[0] |
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def ImageCaptioning(image): |
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with tempfile.NamedTemporaryFile(suffix=".png") as temp_image_file: |
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Image.fromarray(image).save(temp_image_file.name) |
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caption=predict_step([temp_image_file.name]) |
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return caption |
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iface = gr.Interface(fn=ImageCaptioning, inputs="image", outputs="text") |
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iface.launch(share=False) |