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# encoding=utf8
# %matplotlib inline
import numpy as np
import os
from refer import REFER
import os.path as osp
import cv2
import argparse
parser = argparse.ArgumentParser(description='Data preparation')
parser.add_argument('--data_root', type=str) # contains refclef, refcoco, refcoco+, refcocog and images
parser.add_argument('--output_dir', type=str)
parser.add_argument('--dataset', type=str, choices=['refcoco', 'refcoco+','refcocog'], default='refcoco')
parser.add_argument('--split', type=str,default='umd')
parser.add_argument('--generate_mask', action='store_true')
args = parser.parse_args()
# data_root # contains refclef, refcoco, refcoco+, refcocog and images
refer = REFER(args.data_root, args.dataset, args.split)
print ('dataset [%s_%s] contains: ' % (args.dataset, args.split))
ref_ids = refer.getRefIds()
image_ids = refer.getImgIds()
print ('%s expressions for %s refs in %s images.' % (len(refer.Sents), len(ref_ids), len(image_ids)))
print('\nAmong them:')
if args.dataset == 'refclef':
if args.split == 'unc':
splits = ['train', 'val', 'testA','testB','testC']
else:
splits = ['train', 'val', 'test']
elif args.dataset == 'refcoco':
splits = ['train', 'val', 'testA', 'testB']
elif args.dataset == 'refcoco+':
splits = ['train', 'val', 'testA', 'testB']
elif args.dataset == 'grefcoco':
splits = ['train', 'val', 'testA', 'testB']
elif args.dataset == 'refcocog':
splits = ['train', 'val', 'test'] # we don't have test split for refcocog right now.
# split data as a type in splits list
for split in splits:
ref_ids = refer.getRefIds(split=split)
print('%s refs are in split [%s].' % (len(ref_ids), split))
# show a batch data with bounding box,cat,sentences
def show_a_batch(batch_size):
split='train'
# batch_size=32
ref_ids = refer.getRefIds(split=split)
print(split+'_size:',len(ref_ids))
batch_index=list(np.random.choice(len(ref_ids),batch_size))
# print(refer.Refs)
ref_id = [ref_ids[i] for i in batch_index]
refs = [refer.Refs[i] for i in ref_id]
bboxs=[refer.getRefBox(i) for i in ref_id]
sentences=[ref['sentences'] for ref in refs]
image_urls=[refer.loadImgs(image_ids=ref['image_id']) for ref in refs]
cats = [refer.loadCats(cat_ids=ref['category_id']) for ref in refs]
# plt.figure()
# plt.subplot(batch_size)
grid_width = 2
grid_height = int(batch_size / grid_width)
# fig, axs = plt.subplots(grid_height, grid_width, figsize=(grid_width*10, 10*grid_height))
for i in range(batch_size):
print('bbox for batch[{}]:'.format(i),bboxs[i])
print('sentences for batch[{}]:'.format(i))
for sid, sent in enumerate(sentences[i]):
print('%s. %s' % (sid+1, sent['sent']))
print('cats for batch[{}]:'.format(i), cats[i])
image_url=image_urls[i][0]
image=cv2.imread(osp.join(refer.IMAGE_DIR, image_url['file_name']))
print(image.shape)
# print(bboxs[i][0])
cv2.rectangle(image,(int(bboxs[i][0]), int(bboxs[i][1])), (int(bboxs[i][0]+bboxs[i][2]),int(bboxs[i][1]+ bboxs[i][3])),255,3)
cv2.putText(image,
str(sent['sent']),
(20, 20),
cv2.FONT_HERSHEY_SIMPLEX,
.9,(0,255,0), 2)
os.mkdir('debug_vis')
cv2.imwrite('./debug_vis/'+image_url['file_name'], image)
cv2.imwrite('./debug_vis/mask'+image_url['file_name'], refer.getMask(refs[i])['mask']*255)
# ax.imshow(image)
# plt.show()
def cat_process(cat):
if cat >= 1 and cat <= 11:
cat = cat - 1
elif cat >= 13 and cat <= 25:
cat = cat - 2
elif cat >= 27 and cat <= 28:
cat = cat - 3
elif cat >= 31 and cat <= 44:
cat = cat - 5
elif cat >= 46 and cat <= 65:
cat = cat - 6
elif cat == 67:
cat = cat - 7
elif cat == 70:
cat = cat - 9
elif cat >= 72 and cat <= 82:
cat = cat - 10
elif cat >= 84 and cat <= 90:
cat = cat - 11
return cat
def bbox_process(bbox,cat,segement_id):
x_min = int(bbox[0])
y_min = int(bbox[1])
x_max = x_min + int(bbox[2])
y_max = y_min + int(bbox[3])
box_info = " %d,%d,%d,%d,%d,%d" % (int(x_min), int(y_min), int(x_max), int(y_max), int(cat),int(segement_id))
return box_info
def prepare_dataset(dataset,splits,output_dir,generate_mask=False):
# split_type='train'
# splits=[split_type]
# batch_size=32
if dataset == 'refcocog':
dataset = 'refcocog_' + args.split
if not os.path.exists(os.path.join(output_dir,'anns',dataset)):
os.makedirs(os.path.join(output_dir,'anns',dataset))
if not os.path.exists(os.path.join(output_dir,'masks',dataset)):
os.makedirs(os.path.join(output_dir,'masks',dataset))
for split in splits:
f = open(os.path.join(output_dir,'anns', dataset, split + '.txt'), 'w', encoding='utf-8')
# print(split)
split_num=0
ll=0
ref_ids = refer.getRefIds(split=split)
print(split+'_size:',len(ref_ids))
for i in ref_ids:
# ref_id = ref_ids[i]
refs = refer.Refs[i]
bboxs=refer.getRefBox(i)
print("bboxs", bboxs)
sentences=refs['sentences']
image_urls=refer.loadImgs(image_ids=refs['image_id'])[0]
# grefcoco中的category_id是一个list
cat = refs['category_id']
if type(cat) == list:
for j in range(len(cat)):
cat[j] = cat_process(cat[j])
else:
cat = cat_process(cat)
image_urls=image_urls['file_name']
if dataset=='refclef' and image_urls in ['19579.jpg', '17975.jpg', '19575.jpg']:
continue
# RES中box信息和cat信息使用不到
if type(bboxs[0]) == list:
box_info = bbox_process(bboxs[0], cat[0], i) # add segement id
else:
box_info=bbox_process(bboxs,cat,i) #add segement id
f.write(image_urls)
f.write(box_info)
# f.write(' '+str(i))
if generate_mask:
if dataset == 'grefcoco':
np.save(os.path.join(output_dir,'masks',dataset,str(i)+'.npy'),refer.getMaskByRef(refs, merge=True)['mask'])
else:
np.save(os.path.join(output_dir,'masks',dataset,str(i)+'.npy'),refer.getMask(refs)['mask']) #if need seg mask ,set it!
for sentence in sentences:
f.write(' ~ ')
# print(sentence['sent'].encode('UTF-8'))
f.write(sentence['sent'])
if ll<len(sentence['sent']):
ll=len(sentence['sent'])
f.write('\n')
split_num+=1
print('split_num:',split_num)
print('max_len:',ll)
f.close()
def prepare_sentences_refcoco():
splits=['train','val']
# batch_size=32
f = open('sentences.txt', 'w')
for split in splits:
print(split)
ref_ids = refer.getRefIds(split=split)
print(split+'_size:',len(ref_ids))
for i in range(len(ref_ids)):
refs = refer.Refs[i]
sentences=refs['sentences']
for sentence in sentences:
f.write(sentence['sent'])
f.write('\n')
f.close()
def test_length():
max_len=0
word_l_count=np.zeros([50],dtype=np.int)
with open('./refcocog/train.txt') as f:
lines = f.readlines()
for j in range(len(lines)):
line=lines[j].split()
stop = len(line)
for i in range(1, len(line)):
if (line[i] == '~'):
stop = i
break
sentences = []
sent_stop = stop + 1
for i in range(stop + 1, len(line)):
if line[i] == '~':
# sentences.append(line[sent_stop:i])
# print(len(line[sent_stop:i]))
word_l_count[len(line[sent_stop:i])]+=1
# if len(line[sent_stop:i])>max_len:
# max_len=len(line[sent_stop:i])
sent_stop = i + 1
for i in range(50):
if word_l_count[i]>0:
print('length:%d'%i,',count:%d'%word_l_count[i])
# print('max_len:',max_len)
# print(len(lines))
prepare_dataset(args.dataset,splits,args.output_dir,args.generate_mask) |