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| import torch | |
| import re | |
| import gradio as gr | |
| from transformers import AutoTokenizer,ViTFeatureExtractor VisionEncoderDecoderModel | |
| device = 'cpu' | |
| encoder_checkpoint = 'google/vit-base-patch16-224' | |
| decoder_checkpoint = 'gpt2' | |
| model_checkpoint = 'nlpconnect/vit-gpt2-image-captioning' | |
| feature_extractor = ViTFeatureExtractor.from_pretrained(encoder_checkpoint) | |
| model = VisionEncoderDecoderModel.from_pretrained(model_checkpoint).to(device) | |
| def predict(image,max_length=64,num_beams=4): | |
| image = image.convert('RGB') | |
| image = feature_extractor(image,return_tensor='pt').pixel_values.to(device) | |
| clean_text = lambda x: x.replace('<|endoftext|>','').split('\n')[0] | |
| caption_ids = model.generate(image, max_length = max_length)[0] | |
| caption_text = clean_text(tokenizer.decode(caption_ids)) | |
| return caption_text | |
| input = gr.inputs.Image(label='Image to generate caption',type = 'pil', optional=False) | |
| output = gr.outputs.Textbox(type="auto",label="Caption") | |
| article = "This is a Image captioning model created by Shreyas Dixit" | |
| title = "Image Captioning" | |
| interface = gr.Interface( | |
| fn=predict, | |
| inputs = input, | |
| theme="grass", | |
| outputs=output, | |
| examples = examples, | |
| title=title, | |
| description=article, | |
| ) | |
| interface.launch(debug=True) |