def prep_model(input_dir):
args = parse_args()
print('Called with args:')
print(args)
args.set_cfgs = [
'ANCHOR_SCALES', '[4, 8, 16, 32]', 'ANCHOR_RATIOS', '[0.5,1,2]'
]
if args.cfg_file is not None:
cfg_from_file(args.cfg_file)
if args.set_cfgs is not None:
cfg_from_list(args.set_cfgs)
cfg.USE_GPU_NMS = 1
print('Using config:')
pprint.pprint(cfg)
np.random.seed(cfg.RNG_SEED)
if not os.path.exists(input_dir):
raise Exception(
'There is no input directory for loading network from ' +
input_dir)
load_name = os.path.join(input_dir)
# pascal_classes = np.asarray(['__background__',
# 'aeroplane', 'bicycle', 'bird', 'boat',
# 'bottle', 'bus', 'car', 'cat', 'chair',
# 'cow', 'diningtable', 'dog', 'horse',
# 'motorbike', 'person', 'pottedplant',
# 'sheep', 'sofa', 'train', 'tvmonitor'])
pascal_classes = np.asarray([
'__background__', "person", "bicycle", "car", "motorbike", "aeroplane",
"bus", "train", "truck", "boat", "traffic light", "fire hydrant",
"stop sign", "parking meter", "bench", "bird", "cat", "dog", "horse",
"sheep", "cow", "elephant", "bear", "zebra", "giraffe", "backpack",
"umbrella", "handbag", "tie", "suitcase", "frisbee", "skis",
"snowboard", "sports ball", "kite", "baseball bat", "baseball glove",
"skateboard", "surfboard", "tennis racket", "bottle", "wine glass",
"cup", "fork", "knife", "spoon", "bowl", "banana", "apple", "sandwich",
"orange", "broccoli", "carrot", "hot dog", "pizza", "donut", "cake",
"chair", "sofa", "pottedplant", "bed", "diningtable", "toilet",
"tvmonitor", "laptop", "mouse", "remote", "keyboard", "cell phone",
"microwave", "oven", "toaster", "sink", "refrigerator", "book",
"clock", "vase", "scissors", "teddy bear", "hair drier", "toothbrush"
])
# initilize the network here.
fasterRCNN = resnet(pascal_classes,
101,
pretrained=False,
class_agnostic=args.class_agnostic)
fasterRCNN.create_architecture()
print("load checkpoint %s" % (load_name))
checkpoint = torch.load(load_name)
fasterRCNN.load_state_dict(checkpoint['model'])
# fasterRCNN.load_state_dict(checkpoint)
if 'pooling_mode' in checkpoint.keys():
cfg.POOLING_MODE = checkpoint['pooling_mode']
print('load model successfully!')
return fasterRCNN
raise Exception(
'There is no input directory for loading network from ' +
input_dir)
load_name = os.path.join(
input_dir,
'faster_rcnn_{}_{}_{}.pth'.format(args.checksession, args.checkepoch,
args.checkpoint))
# initilize the network here.
if args.net == 'vgg16':
fasterRCNN = vgg16(imdb.classes,
pretrained=False,
class_agnostic=args.class_agnostic)
elif args.net == 'res101':
fasterRCNN = resnet(imdb.classes,
101,
pretrained=False,
class_agnostic=args.class_agnostic)
elif args.net == 'res50':
fasterRCNN = resnet(imdb.classes,
50,
pretrained=False,
class_agnostic=args.class_agnostic)
elif args.net == 'res152':
fasterRCNN = resnet(imdb.classes,
152,
pretrained=False,
class_agnostic=args.class_agnostic)
else:
print("network is not defined")
pdb.set_trace()
im_data = Variable(im_data)
im_info = Variable(im_info)
num_boxes = Variable(num_boxes)
gt_boxes = Variable(gt_boxes)
if args.cuda:
cfg.CUDA = True
# initilize the network here.
if args.net == 'vgg16':
fasterRCNN = vgg16(nusc_classes,
pretrained=True,
class_agnostic=args.class_agnostic)
elif args.net == 'res101':
fasterRCNN = resnet(nusc_classes,
101,
pretrained=True,
class_agnostic=args.class_agnostic)
elif args.net == 'res50':
fasterRCNN = resnet(nusc_classes,
50,
pretrained=True,
class_agnostic=args.class_agnostic)
elif args.net == 'res152':
fasterRCNN = resnet(nusc_classes,
152,
pretrained=True,
class_agnostic=args.class_agnostic)
else:
print("network is not defined")
fasterRCNN.create_architecture()
'There is no input directory for loading network from ' +
input_dir)
load_name = os.path.join(
input_dir,
'{}_{}_{}_{}.pth'.format(args.dataset, str(args.net),
args.checksession, args.checkepoch))
# initilize the network here.
if args.net == 'metarcnn':
num_layers = 101 if args.dataset == 'pascal_voc_0712' else 50
num_cls = imdb.num_classes
fasterRCNN = resnet(num_cls,
num_layers,
pretrained=True,
class_agnostic=args.class_agnostic,
meta_train=False,
meta_test=args.meta_test,
meta_loss=args.meta_loss)
else:
print('No module define')
load_name = os.path.join(
input_dir,
'{}_{}_{}_{}.pth'.format(args.dataset, str(args.net),
args.checksession, args.checkepoch))
fasterRCNN.create_architecture()
print("load checkpoint %s" % (load_name))
checkpoint = torch.load(load_name)
fasterRCNN.load_state_dict(checkpoint['model'])
if 'pooling_mode' in checkpoint.keys():
pin_memory=False)
input_dir = args.load_dir + "/" + args.net + "/" + args.dataset
if not os.path.exists(input_dir):
raise Exception(
'There is no input directory for loading network from ' +
input_dir)
load_name = os.path.join(
input_dir,
'rfcn_detect_{}_{}_{}.pth'.format(args.checksession, args.checkepoch,
args.checkpoint))
# initilize the network here.
if args.net == 'res101':
RFCN = resnet(imdb.classes,
101,
pretrained=False,
class_agnostic=args.class_agnostic)
else:
print("network is not defined")
pdb.set_trace()
RFCN.create_architecture()
print("load checkpoint %s" % (load_name))
checkpoint = torch.load(load_name)
RFCN.load_state_dict(checkpoint['model'])
if 'pooling_mode' in checkpoint.keys():
cfg.POOLING_MODE = checkpoint['pooling_mode']
print('load model successfully!')
# initilize the tensor holder here.
load_name = os.path.join(
input_dir,
"faster_rcnn_{}_{}_{}.pth".format(args.checksession, args.checkepoch,
args.checkpoint),
)
# initilize the network here.
if args.net == "vgg16":
fasterRCNN = vgg16(imdb._action_classes,
imdb._obj_classes,
pretrained=False,
class_agnostic=args.class_agnostic)
elif args.net == "res101":
fasterRCNN = resnet(imdb._action_classes,
imdb._obj_classes,
101,
pretrained=False,
class_agnostic=args.class_agnostic)
else:
print("network is not defined")
pdb.set_trace()
fasterRCNN.create_architecture()
print("load checkpoint %s" % (load_name))
checkpoint = torch.load(load_name)
fasterRCNN.load_state_dict(checkpoint["model"])
kp_dist_mean = checkpoint["kp_dist_mean"]
kp_dist_var = checkpoint["kp_dist_var"]
kp_selection = checkpoint["kp_selection"]
gt_boxes = gt_boxes.cuda()
# make variable
im_data = Variable(im_data)
im_info = Variable(im_info)
num_boxes = Variable(num_boxes)
gt_boxes = Variable(gt_boxes)
if args.cuda:
cfg.CUDA = True
# initilize the network here.
if args.net == 'vgg16':
fasterRCNN = vgg16(imdb.classes, pretrained=args.pretrained, class_agnostic=args.class_agnostic)
elif args.net == 'res18':
fasterRCNN = resnet(imdb.classes, 18, pretrained=args.pretrained, class_agnostic=args.class_agnostic)
elif args.net == 'res34':
fasterRCNN = resnet(imdb.classes, 34, pretrained=args.pretrained, class_agnostic=args.class_agnostic)
elif args.net == 'res101':
fasterRCNN = resnet(imdb.classes, 101, pretrained=args.pretrained, class_agnostic=args.class_agnostic)
elif args.net == 'res50':
fasterRCNN = resnet(imdb.classes, 50, pretrained=args.pretrained, class_agnostic=args.class_agnostic)
elif args.net == 'res152':
fasterRCNN = resnet(imdb.classes, 152, pretrained=args.pretrained, class_agnostic=args.class_agnostic)
else:
print("network is not defined")
pdb.set_trace()
fasterRCNN.create_architecture()
lr = cfg.TRAIN.LEARNING_RATE
gt_boxes = gt_boxes.cuda()
# make variable
im_data = Variable(im_data)
im_info = Variable(im_info)
num_boxes = Variable(num_boxes)
gt_boxes = Variable(gt_boxes)
if args.cuda:
cfg.CUDA = True
# initilize the network here.
if args.net == 'vgg16':
fasterRCNN = vgg16(imdb.classes, pretrained=True, class_agnostic=args.class_agnostic)
elif args.net == 'res101':
fasterRCNN = resnet(imdb.classes, 101, pretrained=True, class_agnostic=args.class_agnostic)
elif args.net == 'res50':
fasterRCNN = resnet(imdb.classes, 50, pretrained=True, class_agnostic=args.class_agnostic)
elif args.net == 'res152':
fasterRCNN = resnet(imdb.classes, 152, pretrained=True, class_agnostic=args.class_agnostic)
else:
print("network is not defined")
pdb.set_trace()
fasterRCNN.create_architecture()
lr = cfg.TRAIN.LEARNING_RATE
lr = args.lr
#tr_momentum = cfg.TRAIN.MOMENTUM
#tr_momentum = args.momentum
input_dir = os.path.join(args.load_dir, args.net, args.dataset)
if not os.path.exists(input_dir):
raise Exception(
'There is no input directory for loading network from ' +
input_dir)
load_name = os.path.join(
input_dir,
'faster_rcnn_{}_{}_{}.pth'.format(args.checksession, args.checkepoch,
args.checkpoint))
# initilize the network here.
if args.net == 'vgg16':
fasterRCNN = vgg16(imdb.classes, pretrained=False)
elif args.net == 'res101':
fasterRCNN = resnet(imdb.classes, 101, pretrained=False)
elif args.net == 'res50':
fasterRCNN = resnet(imdb.classes, 50, pretrained=False)
elif args.net == 'res152':
fasterRCNN = resnet(imdb.classes, 152, pretrained=False)
else:
print("network is not defined")
pdb.set_trace()
fasterRCNN.create_architecture()
print("load checkpoint %s" % (load_name))
checkpoint = torch.load(load_name)
tmp_state_dict = checkpoint['model']
correct_state_dict = {
k: tmp_state_dict['module.' + k]
if args.cuda:
cfg.CUDA = True
if args.lighthead:
lighthead = True
# initilize the network here.
if args.net == 'vgg16':
_RCNN = vgg16(imdb.classes,
pretrained=True,
class_agnostic=args.class_agnostic,
lighthead=lighthead)
elif args.net == 'res101':
_RCNN = resnet(imdb.classes,
101,
pretrained=True,
class_agnostic=args.class_agnostic,
lighthead=lighthead)
elif args.net == 'res50':
_RCNN = resnet(imdb.classes,
50,
pretrained=True,
class_agnostic=args.class_agnostic,
lighthead=lighthead)
elif args.net == 'res152':
_RCNN = resnet(imdb.classes,
152,
pretrained=True,
class_agnostic=args.class_agnostic,
lighthead=lighthead)
elif args.net == 'xception':
def extract_feature():
MIN_BOXES = 10
MAX_BOXES = 100
N_CLASSES = 1601
CONF_THRESH = 0.2
args = parse_args()
if args.cfg_file is not None:
cfg_from_file(args.cfg_file)
os.makedirs(args.output_dir, exist_ok=True)
use_cuda = torch.cuda.is_available()
assert use_cuda, 'Works only with CUDA'
device = torch.device('cuda') if use_cuda else torch.device('cpu')
# device = torch.device('cpu')
cfg.CUDA = use_cuda
np.random.seed(cfg.RNG_SEED)
# Load the model.
fasterRCNN = resnet(N_CLASSES, 101, pretrained=False)
fasterRCNN.create_architecture()
fasterRCNN.load_state_dict(torch.load(args.model_file))
fasterRCNN.to(device)
fasterRCNN.eval()
print('Model is loaded.')
# Load images.
imglist = os.listdir(args.image_dir)
num_images = len(imglist)
print('Number of images: {}.'.format(num_images))
# Extract features.
for im_file in tqdm(imglist):
im = cv2.imread(os.path.join(args.image_dir, im_file))
blobs, im_scales = get_image_blob(im)
assert len(im_scales) == 1, 'Only single-image batch is implemented'
im_data = torch.from_numpy(blobs).permute(0, 3, 1, 2).to(device)
im_info = torch.tensor([[blobs.shape[1], blobs.shape[2],
im_scales[0]]]).to(device)
gt_boxes = torch.zeros(1, 1, 5).to(device)
num_boxes = torch.zeros(1).to(device)
with torch.set_grad_enabled(False):
rois, cls_prob, _, _, _, _, _, _, \
pooled_feat = fasterRCNN(im_data, im_info, gt_boxes, num_boxes)
boxes = rois.data.cpu().numpy()[:, :, 1:5].squeeze()
boxes /= im_scales[0]
cls_prob = cls_prob.data.cpu().numpy().squeeze()
pooled_feat = pooled_feat.data.cpu().numpy()
# Keep only the best detections.
max_conf = np.zeros((boxes.shape[0]))
for cls_ind in range(1, cls_prob.shape[1]):
cls_scores = cls_prob[:, cls_ind]
dets = np.hstack(
(boxes, cls_scores[:, np.newaxis])).astype(np.float32)
keep = np.array(cpu_nms(dets, cfg.TEST.NMS))
max_conf[keep] = np.where(cls_scores[keep] > max_conf[keep],
cls_scores[keep], max_conf[keep])
keep_boxes = np.where(max_conf >= CONF_THRESH)[0]
if len(keep_boxes) < MIN_BOXES:
keep_boxes = np.argsort(max_conf)[::-1][:MIN_BOXES]
elif len(keep_boxes) > MAX_BOXES:
keep_boxes = np.argsort(max_conf)[::-1][:MAX_BOXES]
image_feat = pooled_feat[keep_boxes]
if args.save_boxes:
image_bboxes = boxes[keep_boxes]
else:
image_bboxes = None
output_file = os.path.join(args.output_dir,
im_file.split('.')[0] + '.npy')
save_features(output_file, image_feat, image_bboxes)
args = parse_args()
if args.cfg_file is not None:
cfg_from_file(args.cfg_file)
os.makedirs(args.output_dir, exist_ok=True)
use_cuda = torch.cuda.is_available()
assert use_cuda, 'Works only with CUDA'
device = torch.device('cuda') if use_cuda else torch.device('cpu')
# device = torch.device('cpu')
cfg.CUDA = use_cuda
np.random.seed(cfg.RNG_SEED)
# Load the model.
fasterRCNN = resnet(N_CLASSES, 101, pretrained=False)
fasterRCNN.create_architecture()
fasterRCNN.load_state_dict(torch.load(args.model_file))
fasterRCNN.to(device)
fasterRCNN.eval()
print('Model is loaded.')
# Load images.
imglist = os.listdir(args.image_dir)
num_images = len(imglist)
print('Number of images: {}.'.format(num_images))
# Extract features.
for im_file in tqdm(imglist):
im = cv2.imread(os.path.join(args.image_dir, im_file))
blobs, im_scales = get_image_blob(im)
# imagenet_vid_classes = ['__background__','person']
# =============================================================================
# imagenet_vid_classes = ['__background__', # always index 0
# 'airplane', 'antelope', 'bear', 'bicycle',
# 'bird', 'bus', 'car', 'cattle',
# 'dog', 'domestic_cat', 'elephant', 'fox',
# 'giant_panda', 'hamster', 'horse', 'lion',
# 'lizard', 'monkey', 'motorcycle', 'rabbit',
# 'red_panda', 'sheep', 'snake', 'squirrel',
# 'tiger', 'train', 'turtle', 'watercraft',
# 'whale', 'zebra']
# =============================================================================
# initilize the network here.
if net == 'res101':
RFCN = resnet(imagenet_vid_classes,
101,
pretrained=False,
class_agnostic=class_agnostic)
elif net == 'res50':
RFCN = resnet(imagenet_vid_classes,
50,
pretrained=False,
class_agnostic=class_agnostic)
elif net == 'res18':
RFCN = resnet(imagenet_vid_classes,
18,
pretrained=False,
class_agnostic=class_agnostic)
else:
print("network is not defined")
pdb.set_trace()
gt_boxes = gt_boxes.cuda()
# make variable
im_data = Variable(im_data)
im_info = Variable(im_info)
num_boxes = Variable(num_boxes)
gt_boxes = Variable(gt_boxes)
if args.cuda:
cfg.CUDA = True
# initilize the network here.
if args.net == 'vgg16':
fasterRCNN = vgg16(imdb.classes, pretrained=True, class_agnostic=args.class_agnostic)
elif args.net == 'res101':
fasterRCNN = resnet(imdb.classes, 101, pretrained=True, class_agnostic=args.class_agnostic)
elif args.net == 'res50':
fasterRCNN = resnet(imdb.classes, 50, pretrained=True, class_agnostic=args.class_agnostic)
elif args.net == 'res18':
fasterRCNN = resnet(imdb.classes, 18, pretrained=True, class_agnostic=args.class_agnostic, \
pretrained_path=args.pretrained_path)
elif args.net == 'res152':
fasterRCNN = resnet(imdb.classes, 152, pretrained=True, class_agnostic=args.class_agnostic)
else:
print("network is not defined")
pdb.set_trace()
fasterRCNN.create_architecture()
if args.cuda:
fasterRCNN.cuda()
def bld_train(args, ann_path=None, step=0):
# print('Train from annotaion {}'.format(ann_path))
# print('Called with args:')
# print(args)
if args.use_tfboard:
from model.utils.logger import Logger
# Set the logger
logger = Logger(
os.path.join('./.logs', args.active_method,
"/activestep" + str(step)))
if args.dataset == "pascal_voc":
args.imdb_name = "voc_2007_trainval"
args.imdbval_name = "voc_2007_test"
args.set_cfgs = [
'ANCHOR_SCALES', '[8, 16, 32]', 'ANCHOR_RATIOS', '[0.5,1,2]',
'MAX_NUM_GT_BOXES', '20'
]
elif args.dataset == "pascal_voc_0712":
args.imdb_name = "voc_2007_trainval+voc_2012_trainval"
args.imdbval_name = "voc_2007_test"
args.set_cfgs = [
'ANCHOR_SCALES', '[8, 16, 32]', 'ANCHOR_RATIOS', '[0.5,1,2]',
'MAX_NUM_GT_BOXES', '20'
]
elif args.dataset == "coco":
args.imdb_name = "coco_2014_train"
args.imdbval_name = "coco_2014_minival"
args.set_cfgs = [
'ANCHOR_SCALES', '[4, 8, 16, 32]', 'ANCHOR_RATIOS', '[0.5,1,2]',
'MAX_NUM_GT_BOXES', '50'
]
elif args.dataset == "imagenet":
args.imdb_name = "imagenet_train"
args.imdbval_name = "imagenet_val"
args.set_cfgs = [
'ANCHOR_SCALES', '[4, 8, 16, 32]', 'ANCHOR_RATIOS', '[0.5,1,2]',
'MAX_NUM_GT_BOXES', '30'
]
elif args.dataset == "vg":
# train sizes: train, smalltrain, minitrain
# train scale: ['150-50-20', '150-50-50', '500-150-80', '750-250-150', '1750-700-450', '1600-400-20']
args.imdb_name = "vg_150-50-50_minitrain"
args.imdbval_name = "vg_150-50-50_minival"
args.set_cfgs = [
'ANCHOR_SCALES', '[4, 8, 16, 32]', 'ANCHOR_RATIOS', '[0.5,1,2]',
'MAX_NUM_GT_BOXES', '50'
]
elif args.dataset == "voc_coco":
args.imdb_name = "voc_coco_2007_train+voc_coco_2007_val"
args.imdbval_name = "voc_coco_2007_test"
args.set_cfgs = [
'ANCHOR_SCALES', '[8, 16, 32]', 'ANCHOR_RATIOS', '[0.5,1,2]',
'MAX_NUM_GT_BOXES', '20'
]
else:
raise NotImplementedError
args.cfg_file = "cfgs/{}_ls.yml".format(
args.net) if args.large_scale else "cfgs/{}.yml".format(args.net)
if args.cfg_file is not None:
cfg_from_file(args.cfg_file)
if args.set_cfgs is not None:
cfg_from_list(args.set_cfgs)
# print('Using config:')
# pprint.pprint(cfg)
# np.random.seed(cfg.RNG_SEED)
# torch.backends.cudnn.benchmark = True
if torch.cuda.is_available() and not args.cuda:
print(
"WARNING: You have a CUDA device, so you should probably run with --cuda"
)
# train set = source set + target set
# -- Note: Use validation set and disable the flipped to enable faster loading.
cfg.TRAIN.USE_FLIPPED = True
cfg.USE_GPU_NMS = args.cuda
# source train set, fully labeled
#ann_path_source = os.path.join(ann_path, 'voc_coco_2007_train_f.json')
#ann_path_target = os.path.join(ann_path, 'voc_coco_2007_train_l.json')
imdb, roidb, ratio_list, ratio_index = combined_roidb(
args.imdb_name, ann_path=os.path.join(ann_path, 'source'))
imdb_tg, roidb_tg, ratio_list_tg, ratio_index_tg = combined_roidb(
args.imdb_name, ann_path=os.path.join(ann_path, 'target'))
print('{:d} roidb entries for source set'.format(len(roidb)))
print('{:d} roidb entries for target set'.format(len(roidb_tg)))
output_dir = args.save_dir + "/" + args.net + "/" + args.dataset + "/" + args.active_method + "/activestep" + str(
step)
if not os.path.exists(output_dir):
os.makedirs(output_dir)
sampler_batch_tg = None # do not sample target set
bs_tg = 4
dataset_tg = roibatchLoader(roidb_tg, ratio_list_tg, ratio_index_tg, bs_tg, \
imdb_tg.num_classes, training=True)
assert imdb.num_classes == imdb_tg.num_classes
dataloader_tg = torch.utils.data.DataLoader(dataset_tg,
batch_size=bs_tg,
sampler=sampler_batch_tg,
num_workers=args.num_workers,
worker_init_fn=_rand_fn())
# initilize the tensor holder here.
im_data = torch.FloatTensor(1)
im_info = torch.FloatTensor(1)
num_boxes = torch.LongTensor(1)
gt_boxes = torch.FloatTensor(1)
image_label = torch.FloatTensor(1)
confidence = torch.FloatTensor(1)
# ship to cuda
if args.cuda:
im_data = im_data.cuda()
im_info = im_info.cuda()
num_boxes = num_boxes.cuda()
gt_boxes = gt_boxes.cuda()
image_label = image_label.cuda()
confidence = confidence.cuda()
# make variable
im_data = Variable(im_data)
im_info = Variable(im_info)
num_boxes = Variable(num_boxes)
gt_boxes = Variable(gt_boxes)
image_label = Variable(image_label)
confidence = Variable(confidence)
if args.cuda:
cfg.CUDA = True
# initialize the network here.
if args.net == 'vgg16':
fasterRCNN = vgg16(imdb.classes,
pretrained=True,
class_agnostic=args.class_agnostic)
elif args.net == 'res101':
fasterRCNN = resnet(imdb.classes,
101,
pretrained=True,
class_agnostic=args.class_agnostic)
elif args.net == 'res50':
fasterRCNN = resnet(imdb.classes,
50,
pretrained=True,
class_agnostic=args.class_agnostic)
elif args.net == 'res152':
fasterRCNN = resnet(imdb.classes,
152,
pretrained=True,
class_agnostic=args.class_agnostic)
else:
print("network is not defined")
raise NotImplementedError
# initialize the expectation network.
if args.net == 'vgg16':
fasterRCNN_val = vgg16(imdb.classes,
pretrained=True,
class_agnostic=args.class_agnostic)
elif args.net == 'res101':
fasterRCNN_val = resnet(imdb.classes,
101,
pretrained=True,
class_agnostic=args.class_agnostic)
elif args.net == 'res50':
fasterRCNN_val = resnet(imdb.classes,
50,
pretrained=True,
class_agnostic=args.class_agnostic)
elif args.net == 'res152':
fasterRCNN_val = resnet(imdb.classes,
152,
pretrained=True,
class_agnostic=args.class_agnostic)
else:
print("network is not defined")
raise NotImplementedError
fasterRCNN.create_architecture()
fasterRCNN_val.create_architecture()
# lr = cfg.TRAIN.LEARNING_RATE
lr = args.lr
# tr_momentum = cfg.TRAIN.MOMENTUM
# tr_momentum = args.momentum
params = []
for key, value in dict(fasterRCNN.named_parameters()).items():
if value.requires_grad:
if 'bias' in key:
params += [{'params': [value], 'lr': lr * (cfg.TRAIN.DOUBLE_BIAS + 1), \
'weight_decay': cfg.TRAIN.BIAS_DECAY and cfg.TRAIN.WEIGHT_DECAY or 0}]
else:
params += [{
'params': [value],
'lr': lr,
'weight_decay': cfg.TRAIN.WEIGHT_DECAY
}]
if args.optimizer == "adam":
lr = lr * 0.1
optimizer = torch.optim.Adam(params)
elif args.optimizer == "sgd":
optimizer = torch.optim.SGD(params, momentum=cfg.TRAIN.MOMENTUM)
else:
raise NotImplementedError
if args.resume:
load_name = os.path.join(
output_dir,
'faster_rcnn_{}_{}_{}.pth'.format(args.checksession,
args.checkepoch,
args.checkpoint))
print("loading checkpoint %s" % (load_name))
checkpoint = torch.load(load_name)
args.session = checkpoint['session']
args.start_epoch = checkpoint['epoch']
fasterRCNN.load_state_dict(checkpoint['model'])
optimizer.load_state_dict(checkpoint['optimizer'])
lr = optimizer.param_groups[0]['lr']
if 'pooling_mode' in checkpoint.keys():
cfg.POOLING_MODE = checkpoint['pooling_mode']
print("loaded checkpoint %s" % (load_name))
# expectation model
print("load checkpoint for expectation model: %s" % args.model_path)
checkpoint = torch.load(args.model_path)
fasterRCNN_val.load_state_dict(checkpoint['model'])
if 'pooling_mode' in checkpoint.keys():
cfg.POOLING_MODE = checkpoint['pooling_mode']
fasterRCNN_val = fasterRCNN_val
fasterRCNN_val.eval()
if args.mGPUs:
fasterRCNN = nn.DataParallel(fasterRCNN)
#fasterRCNN_val = nn.DataParallel(fasterRCNN_val)
if args.cuda:
fasterRCNN.cuda()
fasterRCNN_val.cuda()
# Evaluation
# data_iter = iter(dataloader_tg)
# for target_k in range( int(train_size_tg / args.batch_size)):
fname = "noisy_annotations.pkl"
if not os.path.isfile(fname):
for batch_k, data in enumerate(dataloader_tg):
im_data.data.resize_(data[0].size()).copy_(data[0])
im_info.data.resize_(data[1].size()).copy_(data[1])
gt_boxes.data.resize_(data[2].size()).copy_(data[2])
num_boxes.data.resize_(data[3].size()).copy_(data[3])
image_label.data.resize_(data[4].size()).copy_(data[4])
b_size = len(im_data)
# expactation pass
rois, cls_prob, bbox_pred, \
_, _, _, _, _ = fasterRCNN_val(im_data, im_info, gt_boxes, num_boxes)
scores = cls_prob.data
boxes = rois.data[:, :, 1:5]
if cfg.TRAIN.BBOX_REG:
# Apply bounding-box regression deltas
box_deltas = bbox_pred.data
if cfg.TRAIN.BBOX_NORMALIZE_TARGETS_PRECOMPUTED:
# Optionally normalize targets by a precomputed mean and stdev
if args.class_agnostic:
box_deltas = box_deltas.view(-1, 4) * torch.FloatTensor(cfg.TRAIN.BBOX_NORMALIZE_STDS).cuda() \
+ torch.FloatTensor(cfg.TRAIN.BBOX_NORMALIZE_MEANS).cuda()
box_deltas = box_deltas.view(b_size, -1, 4)
else:
box_deltas = box_deltas.view(-1, 4) * torch.FloatTensor(cfg.TRAIN.BBOX_NORMALIZE_STDS).cuda() \
+ torch.FloatTensor(cfg.TRAIN.BBOX_NORMALIZE_MEANS).cuda()
# print('DEBUG: Size of box_deltas is {}'.format(box_deltas.size()) )
box_deltas = box_deltas.view(b_size, -1,
4 * len(imdb.classes))
pred_boxes = bbox_transform_inv(boxes, box_deltas, 1)
pred_boxes = clip_boxes(pred_boxes, im_info.data, 1)
else:
# Simply repeat the boxes, once for each class
pred_boxes = np.tile(boxes, (1, scores.shape[1]))
# TODO: data distalliation
# Choose the confident samples
for b_idx in range(b_size):
# fill one confidence
# confidence.data[b_idx, :] = 1 - (gt_boxes.data[b_idx, :, 4] == 0)
# resize prediction
pred_boxes[b_idx] /= data[1][b_idx][2]
for j in xrange(1, imdb.num_classes):
if image_label.data[b_idx, j] != 1:
continue # next if no image label
# filtering box outside of the image
not_keep = (pred_boxes[b_idx][:, j * 4] == pred_boxes[b_idx][:, j * 4 + 2]) | \
(pred_boxes[b_idx][:, j * 4 + 1] == pred_boxes[b_idx][:, j * 4 + 3])
keep = torch.nonzero(not_keep == 0).view(-1)
# decease the number of pgts
thresh = 0.5
while torch.nonzero(
scores[b_idx, :,
j][keep] > thresh).view(-1).numel() <= 0:
thresh = thresh * 0.5
inds = torch.nonzero(
scores[b_idx, :, j][keep] > thresh).view(-1)
# if there is no det, error
if inds.numel() <= 0:
print('Warning!!!!!!! It should not appear!!')
continue
# find missing ID
missing_list = np.where(gt_boxes.data[b_idx, :, 4] == 0)[0]
if (len(missing_list) == 0): continue
missing_id = missing_list[0]
cls_scores = scores[b_idx, :, j][keep][inds]
cls_boxes = pred_boxes[b_idx][keep][inds][:, j *
4:(j + 1) * 4]
cls_dets = torch.cat((cls_boxes, cls_scores.unsqueeze(1)),
1)
keep = nms(cls_dets, 0.2) # Magic number ????
keep = keep.view(-1).tolist()
sys.stdout.write(
'from {} predictions choose-> min({},4) as pseudo label \r'
.format(len(cls_scores), len(keep)))
sys.stdout.flush()
_, order = torch.sort(cls_scores[keep], 0, True)
if len(keep) == 0: continue
max_keep = 4
for pgt_k in range(max_keep):
if len(order) <= pgt_k: break
if missing_id + pgt_k >= 20: break
gt_boxes.data[b_idx, missing_id +
pgt_k, :4] = cls_boxes[keep][order[
len(order) - 1 - pgt_k]]
gt_boxes.data[b_idx, missing_id + pgt_k,
4] = j # class
#confidence[b_idx, missing_id + pgt_k] = cls_scores[keep][order[len(order) - 1 - pgt_k]]
num_boxes[b_idx] = num_boxes[b_idx] + 1
sample = roidb_tg[dataset_tg.ratio_index[batch_k * bs_tg +
b_idx]]
pgt_boxes = np.array([
gt_boxes[b_idx, x, :4].cpu().data.numpy()
for x in range(int(num_boxes[b_idx]))
])
pgt_classes = np.array([
gt_boxes[b_idx, x, 4].cpu().data[0]
for x in range(int(num_boxes[b_idx]))
])
sample["boxes"] = pgt_boxes
sample["gt_classes"] = pgt_classes
# DEBUG
assert np.array_equal(sample["label"],image_label[b_idx].cpu().data.numpy()), \
"Image labels are not equal! {} vs {}".format(sample["label"],image_label[b_idx].cpu().data.numpy())
#with open(fname, 'w') as f:
# pickle.dump(roidb_tg, f)
else:
pass
# with open(fname) as f: # Python 3: open(..., 'rb')
# roidb_tg = pickle.load(f)
print("-- Optimization Stage --")
# Optimization
print("######################################################l")
roidb.extend(roidb_tg) # merge two datasets
print('before filtering, there are %d images...' % (len(roidb)))
i = 0
while i < len(roidb):
if True:
if len(roidb[i]['boxes']) == 0:
del roidb[i]
i -= 1
else:
if len(roidb[i]['boxes']) == 0:
del roidb[i]
i -= 1
i += 1
print('after filtering, there are %d images...' % (len(roidb)))
from roi_data_layer.roidb import rank_roidb_ratio
ratio_list, ratio_index = rank_roidb_ratio(roidb)
train_size = len(roidb)
sampler_batch = sampler(train_size, args.batch_size)
dataset = roibatchLoader(roidb, ratio_list, ratio_index, args.batch_size, \
imdb.num_classes, training=True)
dataloader = torch.utils.data.DataLoader(dataset,
batch_size=args.batch_size,
sampler=sampler_batch,
num_workers=args.num_workers,
worker_init_fn=_rand_fn())
iters_per_epoch = int(train_size / args.batch_size)
print("Training set size is {}".format(train_size))
for epoch in range(args.start_epoch, args.max_epochs + 1):
fasterRCNN.train()
loss_temp = 0
start = time.time()
epoch_start = start
# adjust learning rate
if epoch % (args.lr_decay_step + 1) == 0:
adjust_learning_rate(optimizer, args.lr_decay_gamma)
lr *= args.lr_decay_gamma
# one step
data_iter = iter(dataloader)
for step in range(iters_per_epoch):
data = next(data_iter)
im_data.data.resize_(data[0].size()).copy_(data[0])
im_info.data.resize_(data[1].size()).copy_(data[1])
gt_boxes.data.resize_(data[2].size()).copy_(data[2])
num_boxes.data.resize_(data[3].size()).copy_(data[3])
image_label.data.resize_(data[4].size()).copy_(data[4])
#gt_boxes.data = \
# torch.cat((gt_boxes.data, torch.zeros(gt_boxes.size(0), gt_boxes.size(1), 1).cuda()), dim=2)
conf_data = torch.zeros(gt_boxes.size(0), gt_boxes.size(1)).cuda()
confidence.data.resize_(conf_data.size()).copy_(conf_data)
fasterRCNN.zero_grad()
# rois_label = fasterRCNN(im_data, im_info, gt_boxes, num_boxes, confidence)
rois, cls_prob, bbox_pred, \
rpn_loss_cls, rpn_loss_box, \
RCNN_loss_cls, RCNN_loss_bbox, \
rois_label = fasterRCNN(im_data, im_info, gt_boxes, num_boxes)
# rois_label = fasterRCNN(im_data, im_info, gt_boxes, num_boxes, confidence)
loss = rpn_loss_cls.mean() + rpn_loss_box.mean() \
+ RCNN_loss_cls.mean() + RCNN_loss_bbox.mean()
loss_temp += loss.data[0]
# backward
optimizer.zero_grad()
loss.backward()
if args.net == "vgg16":
clip_gradient(fasterRCNN, 10.)
optimizer.step()
if step % args.disp_interval == 0:
end = time.time()
if step > 0:
loss_temp /= args.disp_interval
if args.mGPUs:
loss_rpn_cls = rpn_loss_cls.mean().data[0]
loss_rpn_box = rpn_loss_box.mean().data[0]
loss_rcnn_cls = RCNN_loss_cls.mean().data[0]
loss_rcnn_box = RCNN_loss_bbox.mean().data[0]
fg_cnt = torch.sum(rois_label.data.ne(0))
bg_cnt = rois_label.data.numel() - fg_cnt
else:
loss_rpn_cls = rpn_loss_cls.data[0]
loss_rpn_box = rpn_loss_box.data[0]
loss_rcnn_cls = RCNN_loss_cls.data[0]
loss_rcnn_box = RCNN_loss_bbox.data[0]
fg_cnt = torch.sum(rois_label.data.ne(0))
bg_cnt = rois_label.data.numel() - fg_cnt
print("[session %d][epoch %2d][iter %4d/%4d] loss: %.4f, lr: %.2e" \
% (args.session, epoch, step, iters_per_epoch, loss_temp, lr))
print("\t\t\tfg/bg=(%d/%d), time cost: %f" %
(fg_cnt, bg_cnt, end - start))
print("\t\t\trpn_cls: %.4f, rpn_box: %.4f, rcnn_cls: %.4f, rcnn_box %.4f" \
% (loss_rpn_cls, loss_rpn_box, loss_rcnn_cls, loss_rcnn_box))
if args.use_tfboard:
info = {
'loss': loss_temp,
'loss_rpn_cls': loss_rpn_cls,
'loss_rpn_box': loss_rpn_box,
'loss_rcnn_cls': loss_rcnn_cls,
'loss_rcnn_box': loss_rcnn_box
}
for tag, value in info.items():
logger.scalar_summary(tag, value, step)
images = []
for k in range(args.batch_size):
image = draw_bounding_boxes(
im_data[k].data.cpu().numpy(),
gt_boxes[k].data.cpu().numpy(),
im_info[k].data.cpu().numpy(),
num_boxes[k].data.cpu().numpy())
images.append(image)
logger.image_summary("Train epoch %2d, iter %4d/%4d" % (epoch, step, iters_per_epoch), \
images, step)
loss_temp = 0
start = time.time()
if False:
break
if args.mGPUs:
save_name = os.path.join(
output_dir,
'faster_rcnn_{}_{}_{}.pth'.format(args.session, epoch, step))
save_checkpoint(
{
'session': args.session,
'epoch': epoch + 1,
'model': fasterRCNN.module.state_dict(),
'optimizer': optimizer.state_dict(),
'pooling_mode': cfg.POOLING_MODE,
'class_agnostic': args.class_agnostic,
}, save_name)
else:
save_name = os.path.join(
output_dir,
'faster_rcnn_{}_{}_{}.pth'.format(args.session, epoch, step))
save_checkpoint(
{
'session': args.session,
'epoch': epoch + 1,
'model': fasterRCNN.state_dict(),
'optimizer': optimizer.state_dict(),
'pooling_mode': cfg.POOLING_MODE,
'class_agnostic': args.class_agnostic,
}, save_name)
print('save model: {}'.format(save_name))
epoch_end = time.time()
print('Epoch time cost: {}'.format(epoch_end - epoch_start))
print('finished!')
raise Exception('There is no input directory for loading network from ' + input_dir)
load_name = os.path.join(input_dir,
'faster_rcnn_{}_{}_{}.pth'.format(args.checksession, args.checkepoch, args.checkpoint))
pascal_classes = np.asarray(['__background__',
'aeroplane', 'bicycle', 'bird', 'boat',
'bottle', 'bus', 'car', 'cat', 'chair',
'cow', 'diningtable', 'dog', 'horse',
'motorbike', 'person', 'pottedplant',
'sheep', 'sofa', 'train', 'tvmonitor'])
# initilize the network here.
if args.net == 'vgg16':
fasterRCNN = vgg16(pascal_classes, pretrained=False, class_agnostic=args.class_agnostic)
elif args.net == 'res101':
fasterRCNN = resnet(pascal_classes, 101, pretrained=False, class_agnostic=args.class_agnostic)
elif args.net == 'res50':
fasterRCNN = resnet(pascal_classes, 50, pretrained=False, class_agnostic=args.class_agnostic)
elif args.net == 'res152':
fasterRCNN = resnet(pascal_classes, 152, pretrained=False, class_agnostic=args.class_agnostic)
else:
print("network is not defined")
pdb.set_trace()
fasterRCNN.create_architecture()
print("load checkpoint %s" % (load_name))
if args.cuda > 0:
checkpoint = torch.load(load_name)
else:
checkpoint = torch.load(load_name, map_location=(lambda storage, loc: storage))
raise Exception(
'There is no input directory for loading network from ' +
input_dir)
load_name = os.path.join(
input_dir,
'faster_rcnn_{}_{}_{}.pth'.format(args.checksession, args.checkepoch,
args.checkpoint))
# initilize the network here.
if args.net == 'vgg16':
fasterRCNN = vgg16(pascal_classes,
pretrained=False,
class_agnostic=args.class_agnostic)
elif args.net == 'res101':
fasterRCNN = resnet(pascal_classes,
101,
pretrained=False,
class_agnostic=args.class_agnostic)
elif args.net == 'res18':
fasterRCNN = resnet(pascal_classes,
18,
pretrained=False,
class_agnostic=args.class_agnostic)
elif args.net == 'res34':
fasterRCNN = resnet(pascal_classes,
34,
pretrained=False,
class_agnostic=args.class_agnostic)
elif args.net == 'res50':
fasterRCNN = resnet(pascal_classes,
50,
pretrained=False,
gt_boxes = gt_boxes.cuda()
# make variable
im_data = Variable(im_data)
im_info = Variable(im_info)
num_boxes = Variable(num_boxes)
gt_boxes = Variable(gt_boxes)
if args.cuda:
cfg.CUDA = True
# initilize the network here.
if args.net == 'vgg16':
model = vgg16(imdb.classes, pretrained=True, class_agnostic=args.class_agnostic)
elif args.net == 'res101':
model = resnet(imdb.classes, 101, pretrained=True, class_agnostic=args.class_agnostic)
elif args.net == 'res50':
model = resnet(imdb.classes, 50, pretrained=True, class_agnostic=args.class_agnostic)
elif args.net == 'res152':
model = resnet(imdb.classes, 152, pretrained=True, class_agnostic=args.class_agnostic)
else:
print("network is not defined")
pdb.set_trace()
model.create_architecture()
lr = cfg.TRAIN.LEARNING_RATE
lr = args.lr
#tr_momentum = cfg.TRAIN.MOMENTUM
#tr_momentum = args.momentum
def training_fusion():
# initilize the tensor holder here.
im_data1 = torch.FloatTensor(1)
im_data2 = torch.FloatTensor(1)
im_info = torch.FloatTensor(1)
num_boxes = torch.LongTensor(1)
gt_boxes = torch.FloatTensor(1)
# ship to cuda
if args.cuda:
im_data1 = im_data1.cuda()
im_data2 = im_data2.cuda()
im_info = im_info.cuda()
num_boxes = num_boxes.cuda()
gt_boxes = gt_boxes.cuda()
# make variable
im_data1 = Variable(im_data1)
im_data2 = Variable(im_data2)
im_info = Variable(im_info)
num_boxes = Variable(num_boxes)
gt_boxes = Variable(gt_boxes)
if args.cuda:
cfg.CUDA = True
# initilize the network here.
if args.net == 'vgg16f':
fasterRCNN = vgg16f(imdb.classes,
pretrained=True,
class_agnostic=args.class_agnostic,
fusion_mode=args.fusion_mode)
elif args.net == 'vgg16c':
fasterRCNN = vgg16c(imdb.classes,
pretrained=True,
class_agnostic=args.class_agnostic)
elif args.net == 'res101':
fasterRCNN = resnet(imdb.classes,
101,
pretrained=True,
class_agnostic=args.class_agnostic)
elif args.net == 'res50':
fasterRCNN = resnet(imdb.classes,
50,
pretrained=True,
class_agnostic=args.class_agnostic)
elif args.net == 'res152':
fasterRCNN = resnet(imdb.classes,
152,
pretrained=True,
class_agnostic=args.class_agnostic)
else:
print("network is not defined")
pdb.set_trace()
fasterRCNN.create_architecture()
lr = cfg.TRAIN.LEARNING_RATE
lr = args.lr
# tr_momentum = cfg.TRAIN.MOMENTUM
# tr_momentum = args.momentum
params = []
for key, value in dict(fasterRCNN.named_parameters()).items():
if value.requires_grad:
if 'bias' in key:
params += [{'params': [value], 'lr': lr * (cfg.TRAIN.DOUBLE_BIAS + 1), \
'weight_decay': cfg.TRAIN.BIAS_DECAY and cfg.TRAIN.WEIGHT_DECAY or 0}]
else:
params += [{
'params': [value],
'lr': lr,
'weight_decay': cfg.TRAIN.WEIGHT_DECAY
}]
if args.cuda:
fasterRCNN.cuda()
if args.optimizer == "adam":
lr = lr * 0.1
optimizer = torch.optim.Adam(params)
elif args.optimizer == "sgd":
optimizer = torch.optim.SGD(params, momentum=cfg.TRAIN.MOMENTUM)
if args.resume:
load_name = os.path.join(
output_dir,
'faster_rcnn_{}_{}_{}.pth'.format(args.checksession,
args.checkepoch,
args.checkpoint))
print("loading checkpoint %s" % (load_name))
checkpoint = torch.load(load_name)
args.session = checkpoint['session']
args.start_epoch = checkpoint['epoch']
fasterRCNN.load_state_dict(checkpoint['model'])
optimizer.load_state_dict(checkpoint['optimizer'])
lr = optimizer.param_groups[0]['lr']
if 'pooling_mode' in checkpoint.keys():
cfg.POOLING_MODE = checkpoint['pooling_mode']
print("loaded checkpoint %s" % (load_name))
if args.mGPUs:
fasterRCNN = nn.DataParallel(fasterRCNN)
iters_per_epoch = int(train_size / args.batch_size)
# tfboard
if args.use_tfboard:
from tensorboardX import SummaryWriter
logger = SummaryWriter("logs")
#TODO
#logger.add_graph(fasterRCNN, (im_data1, im_data2, im_info, gt_boxes, num_boxes))
#TODO
if args.net == 'vgg16f':
for epoch in range(args.start_epoch, args.max_epochs + 1):
# setting to train mode
fasterRCNN.train()
loss_temp = 0
start = time.time()
if epoch % (args.lr_decay_step + 1) == 0:
adjust_learning_rate(optimizer, args.lr_decay_gamma)
lr *= args.lr_decay_gamma
data_iter = iter(dataloader)
for step in range(iters_per_epoch):
data = next(data_iter)
im_data1.resize_(data[0].size()).copy_(data[0])
im_data2.resize_(data[1].size()).copy_(data[1])
im_info.resize_(data[2].size()).copy_(data[2])
gt_boxes.resize_(data[3].size()).copy_(data[3])
num_boxes.resize_(data[4].size()).copy_(data[4])
fasterRCNN.zero_grad()
rois, cls_prob, bbox_pred, \
rpn_loss_cls, rpn_loss_box, \
RCNN_loss_cls, RCNN_loss_bbox, \
rois_label = fasterRCNN(im_data1, im_data2, im_info, gt_boxes, num_boxes)
loss = rpn_loss_cls.mean() + rpn_loss_box.mean() \
+ RCNN_loss_cls.mean() + RCNN_loss_bbox.mean()
loss_temp += loss.item()
# backward
optimizer.zero_grad()
loss.backward()
if args.net == "vgg16":
clip_gradient(fasterRCNN, 10.)
optimizer.step()
if step % args.disp_interval == 0:
end = time.time()
if step > 0:
loss_temp /= (args.disp_interval + 1)
if args.mGPUs:
loss_rpn_cls = rpn_loss_cls.mean().item()
loss_rpn_box = rpn_loss_box.mean().item()
loss_rcnn_cls = RCNN_loss_cls.mean().item()
loss_rcnn_box = RCNN_loss_bbox.mean().item()
fg_cnt = torch.sum(rois_label.data.ne(0))
bg_cnt = rois_label.data.numel() - fg_cnt
else:
loss_rpn_cls = rpn_loss_cls.item()
loss_rpn_box = rpn_loss_box.item()
loss_rcnn_cls = RCNN_loss_cls.item()
loss_rcnn_box = RCNN_loss_bbox.item()
fg_cnt = torch.sum(rois_label.data.ne(0))
bg_cnt = rois_label.data.numel() - fg_cnt
Log.info("[session %d][epoch %2d][iter %4d/%4d] loss: %.4f, lr: %.2e" \
% (args.session, epoch, step, iters_per_epoch, loss_temp, lr))
Log.info("\t\t\tfg/bg=(%d/%d), time cost: %f" %
(fg_cnt, bg_cnt, end - start))
Log.info("\t\t\trpn_cls: %.4f, rpn_box: %.4f, rcnn_cls: %.4f, rcnn_box %.4f" \
% (loss_rpn_cls, loss_rpn_box, loss_rcnn_cls, loss_rcnn_box))
if args.use_tfboard:
info = {
'loss': loss_temp,
'loss_rpn_cls': loss_rpn_cls,
'loss_rpn_box': loss_rpn_box,
'loss_rcnn_cls': loss_rcnn_cls,
'loss_rcnn_box': loss_rcnn_box
}
logger.add_scalars(
"logs_s_{}/losses".format(args.session), info,
(epoch - 1) * iters_per_epoch + step)
loss_temp = 0
start = time.time()
save_name = os.path.join(
output_dir,
'faster_rcnn_{}_{}_{}.pth'.format(args.session, epoch, step))
save_checkpoint(
{
'session':
args.session,
'epoch':
epoch + 1,
'model':
fasterRCNN.module.state_dict()
if args.mGPUs else fasterRCNN.state_dict(),
'optimizer':
optimizer.state_dict(),
'pooling_mode':
cfg.POOLING_MODE,
'class_agnostic':
args.class_agnostic,
}, save_name)
print('save model: {}'.format(save_name))
elif args.net == 'vgg16c':
for epoch in range(args.start_epoch, args.max_epochs + 1):
# setting to train mode
fasterRCNN.train()
loss_temp = 0
start = time.time()
if epoch % (args.lr_decay_step + 1) == 0:
adjust_learning_rate(optimizer, args.lr_decay_gamma)
lr *= args.lr_decay_gamma
data_iter = iter(dataloader)
for step in range(iters_per_epoch):
data = next(data_iter)
im_data1.resize_(data[0].size()).copy_(data[0])
im_data2.resize_(data[1].size()).copy_(data[1])
im_info.resize_(data[2].size()).copy_(data[2])
gt_boxes.resize_(data[3].size()).copy_(data[3])
num_boxes.resize_(data[4].size()).copy_(data[4])
fasterRCNN.zero_grad()
rois, cls_prob, bbox_pred, \
rpn_loss_cls1, rpn_loss_box1, \
rpn_loss_cls2, rpn_loss_box2, \
RCNN_loss_cls, RCNN_loss_bbox, \
rois_label = fasterRCNN(im_data1, im_data2, im_info, gt_boxes, num_boxes)
loss = rpn_loss_cls1.mean() + rpn_loss_box1.mean() \
+ rpn_loss_cls2.mean() + rpn_loss_box2.mean() \
+ RCNN_loss_cls.mean() + RCNN_loss_bbox.mean()
loss_temp += loss.item()
# backward
optimizer.zero_grad()
loss.backward()
if args.net == "vgg16":
clip_gradient(fasterRCNN, 10.)
optimizer.step()
if step % args.disp_interval == 0:
end = time.time()
if step > 0:
loss_temp /= (args.disp_interval + 1)
if args.mGPUs:
loss_rpn_cls1 = rpn_loss_cls1.mean().item()
loss_rpn_cls2 = rpn_loss_cls2.mean().item()
loss_rpn_box1 = rpn_loss_box1.mean().item()
loss_rpn_box2 = rpn_loss_box2.mean().item()
loss_rcnn_cls = RCNN_loss_cls.mean().item()
loss_rcnn_box = RCNN_loss_bbox.mean().item()
fg_cnt = torch.sum(rois_label.data.ne(0))
bg_cnt = rois_label.data.numel() - fg_cnt
else:
loss_rpn_cls1 = rpn_loss_cls1.item()
loss_rpn_cls2 = rpn_loss_cls2.item()
loss_rpn_box1 = rpn_loss_box1.item()
loss_rpn_box2 = rpn_loss_box2.item()
loss_rcnn_cls = RCNN_loss_cls.item()
loss_rcnn_box = RCNN_loss_bbox.item()
fg_cnt = torch.sum(rois_label.data.ne(0))
bg_cnt = rois_label.data.numel() - fg_cnt
Log.info("[session %d][epoch %2d][iter %4d/%4d] loss: %.4f, lr: %.2e" \
% (args.session, epoch, step, iters_per_epoch, loss_temp, lr))
Log.info("\t\t\tfg/bg=(%d/%d), time cost: %f" %
(fg_cnt, bg_cnt, end - start))
Log.info("\t\t\trpn_cls1: %.4f,rpn_cls2: %.4f, rpn_box1: %.4f, rpn_box2: %.4f,rcnn_cls: %.4f, rcnn_box %.4f" \
% (loss_rpn_cls1, loss_rpn_cls2,loss_rpn_box1,loss_rpn_box2, loss_rcnn_cls, loss_rcnn_box))
if args.use_tfboard:
info = {
'loss': loss_temp,
'loss_rpn_cls1': loss_rpn_cls1,
'loss_rpn_cls2': loss_rpn_cls2,
'loss_rpn_box1': loss_rpn_box1,
'loss_rpn_box2': loss_rpn_box2,
'loss_rcnn_cls': loss_rcnn_cls,
'loss_rcnn_box': loss_rcnn_box
}
logger.add_scalars(
"logs_s_{}/losses".format(args.session), info,
(epoch - 1) * iters_per_epoch + step)
loss_temp = 0
start = time.time()
save_name = os.path.join(
output_dir,
'faster_rcnn_{}_{}_{}.pth'.format(args.session, epoch, step))
save_checkpoint(
{
'session':
args.session,
'epoch':
epoch + 1,
'model':
fasterRCNN.module.state_dict()
if args.mGPUs else fasterRCNN.state_dict(),
'optimizer':
optimizer.state_dict(),
'pooling_mode':
cfg.POOLING_MODE,
'class_agnostic':
args.class_agnostic,
}, save_name)
print('save model: {}'.format(save_name))
#logger.add_graph(fasterRCNN, (im_data1, im_data2, im_info, gt_boxes, num_boxes))
if args.use_tfboard:
logger.close()