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7531914
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Parent(s):
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Delete demo.py
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demo.py
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#!/usr/bin/env python3
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from doctest import OutputChecker
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import sys
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import argparse
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import torch
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import re
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import os
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import gradio as gr
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from sentence_transformers import SentenceTransformer, util
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from sklearn.metrics.pairwise import cosine_similarity
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from lm_scorer.models.auto import AutoLMScorer as LMScorer
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from sentence_transformers import SentenceTransformer, util
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from sklearn.metrics.pairwise import cosine_similarity
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device = "cuda:0" if torch.cuda.is_available() else "cpu"
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model = SentenceTransformer('stsb-distilbert-base', device=device)
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batch_size = 1
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scorer = LMScorer.from_pretrained('gpt2' , device=device, batch_size=batch_size)
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def cos_sim(a, b):
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return np.inner(a, b) / (np.linalg.norm(a) * (np.linalg.norm(b)))
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def Visual_re_ranker(caption, visual_context_label, visual_context_prob):
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caption = caption
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visual_context_label= visual_context_label
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visual_context_prob = visual_context_prob
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caption_emb = model.encode(caption, convert_to_tensor=True)
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visual_context_label_emb = model.encode(visual_context_label, convert_to_tensor=True)
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sim = cosine_scores = util.pytorch_cos_sim(caption_emb, visual_context_label_emb)
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sim = sim.cpu().numpy()
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sim = str(sim)[1:-1]
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sim = str(sim)[1:-1]
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LM = scorer.sentence_score(caption, reduce="mean")
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score = pow(float(LM),pow((1-float(sim))/(1+ float(sim)),1-float(visual_context_prob)))
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#return {"LM": float(LM)/1, "sim": float(sim)/1, "score": float(score)/1 }
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return {"init hypothesis": float(LM)/1, "Visual Belief Revision": float(score)/1 }
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#return LM, sim, score
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demo = gr.Interface(
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fn=Visual_re_ranker,
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description="Demo for Belief Revision based Caption Re-ranker with Visual Semantic Information",
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inputs=[gr.Textbox(value="a city street filled with traffic at night") , gr.Textbox(value="traffic"), gr.Textbox(value="0.7458009")],
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#outputs=[gr.Textbox(value="Language Model Score") , gr.Textbox(value="Semantic Similarity Score"), gr.Textbox(value="Belief revision score via visual context")],
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outputs="label",
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)
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demo.launch()
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