| from Model import BaseModel | |
| import json | |
| import numpy as np | |
| from PIL import Image | |
| from torchvision import transforms as T | |
| import torch | |
| device = torch.device('cpu') | |
| checkpoint = torch.load('last_checkpoint.pt', map_location = device) | |
| with open('answer.json', 'r', encoding = 'utf8') as f: | |
| answer_space = json.load(f) | |
| swap_space = {v : k for k, v in answer_space.items()} | |
| model = BaseModel().to(device) | |
| model.load_state_dict(checkpoint['model_state_dict']) | |
| def generate_caption(image, question): | |
| if isinstance(image, np.ndarray): | |
| image = Image.fromarray(image) | |
| elif isinstance(image, str): | |
| image = Image.open(image).convert("RGB") | |
| transform = T.Compose([T.Resize((224, 224)),T.ToTensor()]) | |
| image = transform(image).unsqueeze(0) | |
| with torch.no_grad(): | |
| logits = model(image, question) | |
| idx = torch.argmax(logits) | |
| return swap_space[idx.item()] | |