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"""
****************** COPYRIGHT AND CONFIDENTIALITY INFORMATION ******************
Copyright (c) 2018 [Thomson Licensing]
All Rights Reserved
This program contains proprietary information which is a trade secret/business \
secret of [Thomson Licensing] and is protected, even if unpublished, under \
applicable Copyright laws (including French droit d'auteur) and/or may be \
subject to one or more patent(s).
Recipient is to retain this program in confidence and is not permitted to use \
or make copies thereof other than as permitted in a written agreement with \
[Thomson Licensing] unless otherwise expressly allowed by applicable laws or \
by [Thomson Licensing] under express agreement.
Thomson Licensing is a company of the group TECHNICOLOR
*******************************************************************************
This scripts permits one to reproduce training and experiments of:
Engilberge, M., Chevallier, L., Pérez, P., & Cord, M. (2018, April).
Finding beans in burgers: Deep semantic-visual embedding with localization.
In Proceedings of CVPR (pp. 3984-3993)
Author: Martin Engilberge
"""
import argparse
import time
import numpy as np
import torch
from misc.dataset import TextDataset
from misc.model import joint_embedding
from misc.utils import save_obj, collate_fn_cap_padded
from torch.utils.data import DataLoader
device = torch.device("cuda")
# device = torch.device("cpu") # uncomment to run with cpu
if __name__ == '__main__':
parser = argparse.ArgumentParser(description='Extract embedding representation for images')
parser.add_argument("-p", '--path', dest="model_path", help='Path to the weights of the model to evaluate')
parser.add_argument("-d", '--data', dest="data_path", help='path to the file containing the sentence to embed')
parser.add_argument("-o", '--output', dest="output_path", help='path of the output file', default="./text_embedding")
parser.add_argument("-bs", "--batch_size", help="The size of the batches", type=int, default=64)
args = parser.parse_args()
print("Loading model from:", args.model_path)
checkpoint = torch.load(args.model_path, map_location=lambda storage, loc: storage)
join_emb = joint_embedding(checkpoint['args_dict'])
join_emb.load_state_dict(checkpoint["state_dict"])
for param in join_emb.parameters():
param.requires_grad = False
join_emb.to(device)
join_emb.eval()
dataset = TextDataset(args.data_path)
print("Dataset size: ", len(dataset))
dataset_loader = DataLoader(dataset, batch_size=args.batch_size, num_workers=3, pin_memory=True, collate_fn=collate_fn_cap_padded)
caps_enc = list()
print("### Starting sentence embedding ###")
end = time.time()
for i, (caps, length) in enumerate(dataset_loader, 0):
input_caps = caps.to(device)
with torch.no_grad():
_, output_emb = join_emb(None, input_caps, length)
caps_enc.append(output_emb.cpu().data.numpy())
if i % 100 == 99:
print(str((i + 1) * args.batch_size) + "/" + str(len(dataset)) + " captions encoded - Time per batch: " + str((time.time() - end)) + "s")
end = time.time()
print("Processing done -> saving")
caps_stack = np.vstack(caps_enc)
save_obj(caps_stack, args.output_path)
print("The data has been save to ", args.output_path)
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