help="size of image height") parser.add_argument("--img_width", type=int, default=256, help="size of image width") opt = parser.parse_args() print(opt) dataSetRoot = "./Data" # "/home/sean/Data/KolektorSDD_sean" # *********************************************************************** # Build nets segment_net = SegmentNet(init_weights=True) decision_net = DecisionNet(init_weights=True) # Loss functions #criterion_segment = torch.nn.MSELoss() criterion_decision = torch.nn.MSELoss() if opt.cuda: segment_net = segment_net.cuda() decision_net = decision_net.cuda() #criterion_segment.cuda() criterion_decision.cuda() if opt.gpu_num > 1: segment_net = torch.nn.DataParallel(segment_net, device_ids=list(range(opt.gpu_num)))
parser.add_argument("--save_interval", type=int, default=10, help="interval of save weights") parser.add_argument("--img_height", type=int, default=704, help="size of image height") parser.add_argument("--img_width", type=int, default=256, help="size of image width") opt = parser.parse_args() print(opt) dataSetRoot = "./Data" #"/home/sean/Data/KolektorSDD_sean" # # *********************************************************************** # Build nets segment_net = SegmentNet(init_weights=True) # Loss functions criterion_segment = torch.nn.MSELoss() if opt.cuda: segment_net = segment_net.cuda() criterion_segment.cuda() if opt.gpu_num > 1: segment_net = torch.nn.DataParallel(segment_net, device_ids=list(range(opt.gpu_num))) if opt.begin_epoch != 0: # Load pretrained models segment_net.load_state_dict(torch.load("./saved_models/segment_net_%d.pth" % (opt.begin_epoch)))
def main(): parser = argparse.ArgumentParser() parser.add_argument("--cuda", type=bool, default=True, help="number of gpu") parser.add_argument("--gpu_num", type=int, default=1, help="number of gpu") parser.add_argument("--worker_num", type=int, default=4, help="number of input workers") parser.add_argument("--batch_size", type=int, default=4, help="batch size of input") parser.add_argument("--lr", type=float, default=0.0001, help="adam: learning rate") parser.add_argument("--b1", type=float, default=0.5, help="adam: decay of first order momentum of gradient") parser.add_argument("--b2", type=float, default=0.999, help="adam: decay of first order momentum of gradient") parser.add_argument("--begin_epoch", type=int, default=0, help="begin_epoch") parser.add_argument("--end_epoch", type=int, default=61, help="end_epoch") parser.add_argument("--seg_epoch", type=int, default=100, help="pretrained segment epoch") parser.add_argument("--need_test", type=bool, default=True, help="need to test") parser.add_argument("--test_interval", type=int, default=10, help="interval of test") parser.add_argument("--need_save", type=bool, default=True, help="need to save") parser.add_argument("--save_interval", type=int, default=10, help="interval of save weights") parser.add_argument("--img_height", type=int, default=1408, help="size of image height") # 1408x512 704x256 parser.add_argument("--img_width", type=int, default=512, help="size of image width") opt = parser.parse_args() print(opt) dataSetRoot = "./KolektorSDD_Data" # Build nets segment_net = SegmentNet(init_weights=True) decision_net = DecisionNet(init_weights=True) # Loss functions #criterion_segment = torch.nn.MSELoss() criterion_decision = torch.nn.MSELoss() #criterion_decision = torch.nn.BCEWithLogitsLoss() # Optimizers optimizer_dec = torch.optim.Adam(decision_net.parameters(), lr=opt.lr, betas=(opt.b1, opt.b2)) if opt.cuda: segment_net = segment_net.cuda() decision_net = decision_net.cuda() # criterion_segment.cuda() criterion_decision.cuda() if opt.gpu_num > 1: segment_net = torch.nn.DataParallel(segment_net, device_ids=list(range( opt.gpu_num))) decision_net = torch.nn.DataParallel(decision_net, device_ids=list(range( opt.gpu_num))) if opt.begin_epoch != 0: # Load pretrained models decision_net.load_state_dict( torch.load("./saved_models/decision_net_%d.pth" % (opt.begin_epoch))) else: # Initialize weights decision_net.apply(weights_init_normal) # load pretrained segment parameters segment_net.load_state_dict( torch.load("./saved_models/segment_net_%d.pth" % (opt.seg_epoch))) segment_net.eval() transforms_ = transforms.Compose([ transforms.Resize((opt.img_height, opt.img_width), Image.BICUBIC), transforms.ToTensor(), #transforms.Normalize((0.5, 0.5, 0.5), (0.5, 0.5, 0.5)), ]) transforms_mask = transforms.Compose([ transforms.Resize((opt.img_height // 8, opt.img_width // 8)), transforms.ToTensor(), #transforms.Normalize((0.5, 0.5, 0.5), (0.5, 0.5, 0.5)), ]) trainOKloader = DataLoader( KolektorDataset(dataSetRoot, transforms_=transforms_, transforms_mask=transforms_mask, subFold="Train_OK", isTrain=True), batch_size=opt.batch_size, shuffle=True, num_workers=opt.worker_num, ) trainNGloader = DataLoader( KolektorDataset(dataSetRoot, transforms_=transforms_, transforms_mask=transforms_mask, subFold="Train_NG", isTrain=True), batch_size=opt.batch_size, shuffle=True, num_workers=opt.worker_num, ) ''' trainloader = DataLoader( KolektorDataset(dataSetRoot, transforms_=transforms_, transforms_mask= transforms_mask, subFold="Train_ALL", isTrain=True), batch_size=opt.batch_size, shuffle=True, num_workers=opt.worker_num, ) ''' testloader = DataLoader( KolektorDataset(dataSetRoot, transforms_=transforms_, transforms_mask=transforms_mask, subFold="Test/Train_NG", isTrain=False), batch_size=1, shuffle=False, num_workers=0, ) for epoch in range(opt.begin_epoch, opt.end_epoch): iterOK = trainOKloader.__iter__() iterNG = trainNGloader.__iter__() lenNum = min(len(trainNGloader), len(trainOKloader)) lenNum = 2 * (lenNum - 1) decision_net.train() segment_net.eval() # train for i in range(0, lenNum): if i % 2 == 0: batchData = iterOK.__next__() #idx, batchData = enumerate(trainOKloader) gt_c = Variable(torch.Tensor( np.zeros((batchData["img"].size(0), 1))), requires_grad=False) else: batchData = iterNG.__next__() gt_c = Variable(torch.Tensor( np.ones((batchData["img"].size(0), 1))), requires_grad=False) #idx, batchData = enumerate(trainNGloader) if opt.cuda: img = batchData["img"].cuda() mask = batchData["mask"].cuda() gt_c = gt_c.cuda() else: img = batchData["img"] mask = batchData["mask"] rst = segment_net(img) f = rst["f"] seg = rst["seg"] optimizer_dec.zero_grad() rst_d = decision_net(f, seg) # rst_d = torch.Tensor.long(rst_d) loss_dec = criterion_decision(rst_d, gt_c) loss_dec.backward() optimizer_dec.step() sys.stdout.write( "\r [Epoch %d/%d] [Batch %d/%d] [loss %f]" % (epoch, opt.end_epoch, i, lenNum, loss_dec.item())) # test if opt.need_test and epoch % opt.test_interval == 0 and epoch >= opt.test_interval: decision_net.eval() # segment_net.eval() all_time = 0 for i, testBatch in enumerate(testloader): imgTest = testBatch["img"].cuda() t1 = time.time() rstTest = segment_net(imgTest) fTest = rstTest["f"] segTest = rstTest["seg"] cTest = decision_net(fTest, segTest) t2 = time.time() save_path_str = "./testResultDec/epoch_%d" % epoch if os.path.exists(save_path_str) == False: os.makedirs(save_path_str, exist_ok=True) # os.mkdir(save_path_str) if cTest.item() > 0.5: labelStr = "NG" else: labelStr = "OK" save_image(imgTest.data, "%s/img_%d_%s.jpg" % (save_path_str, i, labelStr)) save_image( segTest.data, "%s/img_%d_seg_%s.jpg" % (save_path_str, i, labelStr)) # print("processing image NO %d, time comsuption %fs"%(i, t2 - t1)) all_time = (t2 - t1) + all_time count_time = i + 1 # print(all_time, count_time) avg_time = all_time / count_time print("\na image avg time %fs" % avg_time) decision_net.train() # save model parameters if opt.need_save and epoch % opt.save_interval == 0 and epoch >= opt.save_interval: # decision_net.eval() save_path_str = "./saved_models" if os.path.exists(save_path_str) == False: os.makedirs(save_path_str, exist_ok=True) torch.save(decision_net.state_dict(), "%s/decision_net_%d.pth" % (save_path_str, epoch)) print("save weights ! epoch = %d" % epoch) # decision_net.train() pass
parser.add_argument("--img_height", type=int, default=1408, help="size of image height") # 1408x512 704x256 parser.add_argument("--img_width", type=int, default=512, help="size of image width") opt = parser.parse_args() print(opt) dataSetRoot = "./KolektorSDD_Data" # Build nets segment_net = SegmentNet(init_weights=True) # Loss functions criterion_segment = torch.nn.MSELoss() # mean squared error (squared L2 norm) # criterion_segment = torch.nn.BCEWithLogitsLoss() # non convergence # Optimizers optimizer_seg = torch.optim.Adam(segment_net.parameters(), lr=opt.lr, betas=(opt.b1, opt.b2)) # optimizer_seg = torch.optim.SGD(segment_net.parameters(),lr=opt.lr) if opt.cuda: segment_net = segment_net.cuda() criterion_segment.cuda()