def run_pair_tensor(model, image1, image2, tresh, force, strength, smooth,
intepolation):
with torch.no_grad():
padder = InputPadder(image1.shape)
image1, image2 = padder.pad(image1, image2)
flow_low, flow_up = model(image1, image2, iters=20, test_mode=True)
image1 = padder.unpad(image1)
flow_up = padder.unpad(flow_up)
blurImage, normalizedFlow = MotionBlur(image1, flow_up, tresh, force,
strength, smooth, intepolation)
#return image1, blurImage, flow_up, normalizedFlow
#img = image1[0].permute(1,2,0).cpu().numpy()
blur = blurImage[0].permute(1, 2, 0).cpu().numpy()
flo1 = flow_up[0].permute(1, 2, 0).cpu().numpy()
flo2 = normalizedFlow.permute(1, 2, 0).cpu().numpy()
flo1 = flow_viz.flow_to_image(flo1)
flo2 = flow_viz.flow_to_image(flo2)
del image1, image2, padder, flow_low, flow_up, blurImage, normalizedFlow
return blur, flo1, flo2
def validate_VRKitti2(model, args, eval_loader, group, iters=24):
""" Peform validation using the KITTI-2015 (train) split """
model.eval()
epe_list = torch.zeros(2).cuda(device=args.gpu)
out_list = torch.zeros(2).cuda(device=args.gpu)
for val_id, batch in enumerate(tqdm(eval_loader)):
image1, image2, flow_gt, valid_gt = batch
image1 = Variable(image1, requires_grad=True)
image1 = image1.cuda(args.gpu, non_blocking=True)
image2 = Variable(image2, requires_grad=True)
image2 = image2.cuda(args.gpu, non_blocking=True)
flow_gt = Variable(flow_gt, requires_grad=True)
flow_gt = flow_gt.cuda(args.gpu, non_blocking=True)
flow_gt = flow_gt[0]
valid_gt = Variable(valid_gt, requires_grad=True)
valid_gt = valid_gt.cuda(args.gpu, non_blocking=True)
valid_gt = valid_gt[0]
padder = InputPadder(image1.shape, mode='kitti')
image1, image2 = padder.pad(image1, image2)
flow_low, flow_pr = model(image1, image2, iters=iters, test_mode=True)
flow = padder.unpad(flow_pr[0])
epe = torch.sum((flow - flow_gt)**2, dim=0).sqrt()
mag = torch.sum(flow_gt**2, dim=0).sqrt()
epe = epe.view(-1)
mag = mag.view(-1)
val = valid_gt.view(-1) >= 0.5
out = ((epe > 3.0) & ((epe / mag) > 0.05)).float()
epe_list[0] += epe[val].mean().item()
epe_list[1] += 1
out_list[0] += out[val].sum()
out_list[1] += torch.sum(val)
if args.distributed:
dist.all_reduce(tensor=epe_list, op=dist.ReduceOp.SUM, group=group)
dist.all_reduce(tensor=out_list, op=dist.ReduceOp.SUM, group=group)
if args.gpu == 0:
epe = epe_list[0] / epe_list[1]
f1 = 100 * out_list[0] / out_list[1]
print("Validation KITTI: %f, %f" % (epe, f1))
return {
'kitti-epe': float(epe.detach().cpu().numpy()),
'kitti-f1': float(f1.detach().cpu().numpy())
}
else:
return None
def validate_kitti_colorjitter(gpu, model, args, ngpus_per_node, eval_entries, iters=24):
""" Peform validation using the KITTI-2015 (train) split """
interval = np.floor(len(eval_entries) / ngpus_per_node).astype(np.int).item()
if gpu == ngpus_per_node - 1:
stidx = int(interval * gpu)
edidx = len(eval_entries)
else:
stidx = int(interval * gpu)
edidx = int(interval * (gpu + 1))
print("Initialize Instance on Gpu %d, from %d to %d, total %d" % (gpu, stidx, edidx, len(eval_entries)))
from tqdm import tqdm
model.eval()
model.cuda(gpu)
with torch.no_grad():
for val_id, entry in enumerate(tqdm(remove_dup(eval_entries[stidx : edidx]))):
seq, index = entry.split(' ')
index = int(index)
if os.path.exists(os.path.join(args.dataset, seq, 'image_02', 'data', "{}.png".format(str(index).zfill(10)))):
tmproot = args.dataset
else:
tmproot = args.odom_root
img1path = os.path.join(tmproot, seq, 'image_02', 'data', "{}.png".format(str(index).zfill(10)))
img2path = os.path.join(tmproot, seq, 'image_02', 'data', "{}.png".format(str(index + 1).zfill(10)))
if not os.path.exists(img2path):
img2path = img1path
image1 = frame_utils.read_gen(img1path)
image2 = frame_utils.read_gen(img2path)
image1 = np.array(image1).astype(np.uint8)
image2 = np.array(image2).astype(np.uint8)
image1 = torch.from_numpy(image1).permute([2, 0, 1]).float()
image2 = torch.from_numpy(image2).permute([2, 0, 1]).float()
svfold = os.path.join(args.exportroot, seq, 'image_02')
svpath = os.path.join(args.exportroot, seq, 'image_02', "{}.png".format(str(index).zfill(10)))
os.makedirs(svfold, exist_ok=True)
image1 = image1[None].cuda(gpu)
image2 = image2[None].cuda(gpu)
padder = InputPadder(image1.shape, mode='kitti')
image1, image2 = padder.pad(image1, image2)
flow_low, flow_pr = model(image1, image2, iters=iters, test_mode=True)
flow = padder.unpad(flow_pr[0]).cpu()
frame_utils.writeFlowKITTI(svpath, flow.permute(1, 2, 0).numpy())
# Image.fromarray(flow_viz.flow_to_image(flow.permute(1, 2, 0).numpy())).show()
# tensor2rgb(image1 / 255.0, viewind=0).show()
return
def create_kitti_submission(model, iters=24, output_path='kitti_submission'):
""" Create submission for the Sintel leaderboard """
model.eval()
test_dataset = datasets.KITTI(split='testing', aug_params=None)
if not os.path.exists(output_path):
os.makedirs(output_path)
for test_id in range(len(test_dataset)):
image1, image2, (frame_id, ) = test_dataset[test_id]
padder = InputPadder(image1.shape, mode='kitti')
image1, image2 = padder.pad(image1[None].to(DEVICE),
image2[None].to(DEVICE))
_, flow_pr = model(image1, image2, iters=iters, test_mode=True)
flow = padder.unpad(flow_pr[0]).permute(1, 2, 0).cpu().numpy()
output_filename = os.path.join(output_path, frame_id)
frame_utils.writeFlowKITTI(output_filename, flow)
def create_sintel_submission(model,
iters=32,
warm_start=False,
output_path='sintel_submission'):
""" Create submission for the Sintel leaderboard """
model.eval()
for dstype in ['clean', 'final']:
test_dataset = datasets.MpiSintel(split='test',
aug_params=None,
dstype=dstype)
flow_prev, sequence_prev = None, None
for test_id in range(len(test_dataset)):
image1, image2, (sequence, frame) = test_dataset[test_id]
if sequence != sequence_prev:
flow_prev = None
padder = InputPadder(image1.shape)
image1, image2 = padder.pad(image1[None].to(DEVICE),
image2[None].to(DEVICE))
flow_low, flow_pr = model(image1,
image2,
iters=iters,
flow_init=flow_prev,
test_mode=True)
flow = padder.unpad(flow_pr[0]).permute(1, 2, 0).cpu().numpy()
if warm_start:
flow_prev = forward_interpolate(flow_low[0])[None].to(DEVICE)
output_dir = os.path.join(output_path, dstype, sequence)
output_file = os.path.join(output_dir,
'frame%04d.flo' % (frame + 1))
if not os.path.exists(output_dir):
os.makedirs(output_dir)
frame_utils.writeFlow(output_file, flow)
sequence_prev = sequence
def validate_kitti_colorjitter(model, args, iters=24):
""" Peform validation using the KITTI-2015 (train) split """
from tqdm import tqdm
model.eval()
expandentries = read_splits_mapping(args)
for val_id, entry in enumerate(tqdm(expandentries)):
seq, idx, _ = entry.split(' ')
idx = int(idx)
img1path = os.path.join(args.dataset, seq, 'image_02', 'data', "{}.png".format(str(idx).zfill(10)))
img2path = os.path.join(args.dataset, seq, 'image_02', 'data', "{}.png".format(str(idx + 1).zfill(10)))
if not os.path.exists(img2path):
img2path = img1path
img1 = np.array(Image.open(img1path)).astype(np.float32)
img2 = np.array(Image.open(img2path)).astype(np.float32)
img1 = torch.from_numpy(img1).permute([2, 0, 1]).unsqueeze(0)
img2 = torch.from_numpy(img2).permute([2, 0, 1]).unsqueeze(0)
svfold = os.path.join(args.exportroot, seq, 'image_02')
svpath = os.path.join(args.exportroot, seq, 'image_02', "{}.png".format(str(idx).zfill(10)))
os.makedirs(svfold, exist_ok=True)
image1 = img1.cuda()
image2 = img2.cuda()
padder = InputPadder(image1.shape, mode='kitti')
image1, image2 = padder.pad(image1, image2)
flow_low, flow_pr = model(image1, image2, iters=iters, test_mode=True)
flow = padder.unpad(flow_pr[0]).cpu()
frame_utils.writeFlowKITTI(svpath, flow.permute(1, 2, 0).numpy())
return
def validate_kitti(model, iters=24):
""" Peform validation using the KITTI-2015 (train) split """
model.eval()
val_dataset = datasets.KITTI(split='training')
out_list, epe_list = [], []
for val_id in range(len(val_dataset)):
image1, image2, flow_gt, valid_gt = val_dataset[val_id]
image1 = image1[None].to(DEVICE)
image2 = image2[None].to(DEVICE)
padder = InputPadder(image1.shape, mode='kitti')
image1, image2 = padder.pad(image1, image2)
flow_low, flow_pr = model(image1, image2, iters=iters, test_mode=True)
flow = padder.unpad(flow_pr[0]).cpu()
epe = torch.sum((flow - flow_gt)**2, dim=0).sqrt()
mag = torch.sum(flow_gt**2, dim=0).sqrt()
epe = epe.view(-1)
mag = mag.view(-1)
val = valid_gt.view(-1) >= 0.5
out = ((epe > 3.0) & ((epe / mag) > 0.05)).float()
epe_list.append(epe[val].mean().item())
out_list.append(out[val].cpu().numpy())
epe_list = np.array(epe_list)
out_list = np.concatenate(out_list)
epe = np.mean(epe_list)
f1 = 100 * np.mean(out_list)
print("Validation KITTI: %f, %f" % (epe, f1))
return {'kitti-epe': epe, 'kitti-f1': f1}
def validate_sintel(model, iters=32):
""" Peform validation using the Sintel (train) split """
model.eval()
results = {}
for dstype in ['clean', 'final']:
val_dataset = datasets.MpiSintel(split='training', dstype=dstype)
epe_list = []
for val_id in range(len(val_dataset)):
image1, image2, flow_gt, _ = val_dataset[val_id]
image1 = image1[None].to(DEVICE)
image2 = image2[None].to(DEVICE)
padder = InputPadder(image1.shape)
image1, image2 = padder.pad(image1, image2)
flow_low, flow_pr = model(image1,
image2,
iters=iters,
test_mode=True)
flow = padder.unpad(flow_pr[0]).cpu()
epe = torch.sum((flow - flow_gt)**2, dim=0).sqrt()
epe_list.append(epe.view(-1).numpy())
epe_all = np.concatenate(epe_list)
epe = np.mean(epe_all)
px1 = np.mean(epe_all < 1)
px3 = np.mean(epe_all < 3)
px5 = np.mean(epe_all < 5)
print("Validation (%s) EPE: %f, 1px: %f, 3px: %f, 5px: %f" %
(dstype, epe, px1, px3, px5))
results[dstype] = np.mean(epe_list)
return results
def validate_kitti(model, args, eval_loader, eppCbck, group, iters=24):
""" Peform validation using the KITTI-2015 (train) split """
model.eval()
epe_list = torch.zeros(2).cuda(device=args.gpu)
out_list = torch.zeros(2).cuda(device=args.gpu)
eppc_list = torch.zeros(2).cuda(device=args.gpu)
for val_id, batch in enumerate(tqdm(eval_loader)):
image1 = batch['img1']
image1 = Variable(image1)
image1 = image1.cuda(args.gpu, non_blocking=True)
image2 = batch['img2']
image2 = Variable(image2)
image2 = image2.cuda(args.gpu, non_blocking=True)
flow_gt = batch['flow']
flow_gt = Variable(flow_gt)
flow_gt = flow_gt.cuda(args.gpu, non_blocking=True)
flow_gt = flow_gt[0]
valid_gt = batch['valid']
valid_gt = Variable(valid_gt)
valid_gt = valid_gt.cuda(args.gpu, non_blocking=True)
valid_gt = valid_gt[0]
intrinsic = batch['intrinsic']
intrinsic = Variable(intrinsic)
intrinsic = intrinsic.cuda(args.gpu, non_blocking=True)
rel_pose = batch['rel_pose']
rel_pose = Variable(rel_pose)
rel_pose = rel_pose.cuda(args.gpu, non_blocking=True)
semantic_selector = batch['semantic_selector']
semantic_selector = Variable(semantic_selector)
semantic_selector = semantic_selector.cuda(args.gpu, non_blocking=True)
padder = InputPadder(image1.shape, mode='kitti')
image1, image2 = padder.pad(image1, image2)
flow_low, flow_pr = model(image1, image2, iters=iters, test_mode=True)
flow = padder.unpad(flow_pr[0])
eppc = eppCbck.epp_constrain_val(flowest=flow,
intrinsic=intrinsic,
rel_pose=rel_pose,
valid=semantic_selector)
epe = torch.sum((flow - flow_gt)**2, dim=0).sqrt()
mag = torch.sum(flow_gt**2, dim=0).sqrt()
epe = epe.view(-1)
mag = mag.view(-1)
val = valid_gt.view(-1) >= 0.5
out = ((epe > 3.0) & ((epe / mag) > 0.05)).float()
epe_list[0] += epe[val].mean().item()
epe_list[1] += 1
out_list[0] += out[val].sum()
out_list[1] += torch.sum(val)
eppc_list[0] += eppc
eppc_list[1] += 1
if args.distributed:
dist.all_reduce(tensor=epe_list, op=dist.ReduceOp.SUM, group=group)
dist.all_reduce(tensor=out_list, op=dist.ReduceOp.SUM, group=group)
dist.all_reduce(tensor=eppc_list, op=dist.ReduceOp.SUM, group=group)
if args.gpu == 0:
epe = epe_list[0] / epe_list[1]
f1 = 100 * out_list[0] / out_list[1]
eppc = eppc_list[0] / eppc_list[1]
print("Validation KITTI, epe: %f, f1: %f, eppc: %f" % (epe, f1, eppc))
return {
'kitti-epe': float(epe.detach().cpu().numpy()),
'kitti-f1': float(f1.detach().cpu().numpy()),
'kitti-eppc': float(eppc.detach().cpu().numpy())
}
else:
return None
def validate_kitti(model, args, eval_loader, eppCbck, eppconcluer, group, iters=24):
""" Peform validation using the KITTI-2015 (train) split """
model.eval()
epe_list = torch.zeros(2).cuda(device=args.gpu)
out_list = torch.zeros(2).cuda(device=args.gpu)
eppc_list = torch.zeros(2).cuda(device=args.gpu)
mvl_list = torch.zeros(2).cuda(device=args.gpu)
angl_list = torch.zeros(2).cuda(device=args.gpu)
residual_opt_list = torch.zeros(2).cuda(device=args.gpu)
residual_gt_list = torch.zeros(2).cuda(device=args.gpu)
for val_id, batch in enumerate(tqdm(eval_loader)):
image1 = batch['img1']
image1 = Variable(image1)
image1 = image1.cuda(args.gpu, non_blocking=True)
image2 = batch['img2']
image2 = Variable(image2)
image2 = image2.cuda(args.gpu, non_blocking=True)
flow_gt = batch['flow']
flow_gt = Variable(flow_gt)
flow_gt = flow_gt.cuda(args.gpu, non_blocking=True)
flow_gt = flow_gt[0]
valid_gt = batch['valid']
valid_gt = Variable(valid_gt)
valid_gt = valid_gt.cuda(args.gpu, non_blocking=True)
valid_gt = valid_gt[0]
intrinsic = batch['intrinsic']
intrinsic = Variable(intrinsic)
intrinsic = intrinsic.cuda(args.gpu, non_blocking=True)
rel_pose = batch['rel_pose']
rel_pose = Variable(rel_pose)
rel_pose = rel_pose.cuda(args.gpu, non_blocking=True)
E = batch['E']
E = Variable(E)
E = E.cuda(args.gpu, non_blocking=True)
semantic_selector = batch['semantic_selector']
semantic_selector = Variable(semantic_selector)
semantic_selector = semantic_selector.cuda(args.gpu, non_blocking=True)
depth = batch['depth']
depth = Variable(depth)
depth = depth.cuda(args.gpu, non_blocking=True)
padder = InputPadder(image1.shape, mode='kitti')
image1, image2 = padder.pad(image1, image2)
flow_low, flow_pr = model(image1, image2, iters=iters, test_mode=True)
flow = padder.unpad(flow_pr[0])
pts1, pts2 = eppconcluer.flowmap2ptspair(flowmap=flow.unsqueeze(0), valid=semantic_selector.unsqueeze(0))
outputsrec = eppconcluer.newton_gauss_F(pts2d1=pts1, pts2d2=pts2, intrinsic=intrinsic.squeeze(), posegt=rel_pose.squeeze())
# if outputsrec['loss_mv'] > 0.01 and outputsrec['loss_mv'] < 0.1:
# image1_unpad = padder.unpad(image1[0])
# image2_unpad = padder.unpad(image2[0])
# img1 = image1_unpad.cpu().detach().permute([1, 2, 0]).numpy().astype(np.uint8)
# img2 = image2_unpad.cpu().detach().permute([1, 2, 0]).numpy().astype(np.uint8)
#
# validnp = valid_gt.detach().cpu().numpy() == 1
# depthnp = depth[0].cpu().squeeze().numpy()
#
# h, w = image1_unpad.shape[1::]
# xx, yy = np.meshgrid(range(w), range(h), indexing='xy')
#
# xxf = xx[validnp]
# yyf = yy[validnp]
# depthf = depthnp[validnp]
# xxf_oview = flow_gt[0].detach().cpu().numpy()[validnp] + xxf
# yyf_oview = flow_gt[1].detach().cpu().numpy()[validnp] + yyf
#
# cm = plt.get_cmap('magma')
# vmax = 0.15
# tnp = 1 / depthf / vmax
# tnp = cm(tnp)
#
# fig = plt.figure(figsize=(16, 2.5))
# canvas = FigureCanvasAgg(fig)
# fig.add_subplot(1, 2, 1)
# plt.scatter(xxf, yyf, 1, tnp)
# plt.imshow(img1)
#
# fig.add_subplot(1, 2, 2)
# plt.scatter(xxf_oview, yyf_oview, 1, tnp)
# plt.imshow(img2)
#
# plt.subplots_adjust(left=0, bottom=0, right=1, top=1, wspace=0, hspace=0)
# canvas.draw()
# buf = canvas.buffer_rgba()
# plt.close()
# X = np.asarray(buf)
# X = np.array(Image.fromarray(X).resize([w * 2, h], Image.BILINEAR))
# Image.fromarray(X).show()
# if outputsrec['loss_mv'] > 0.1:
# continue
eppc = eppCbck.epp_constrain_val(flowest=flow, E=E, valid=semantic_selector)
epe = torch.sum((flow - flow_gt)**2, dim=0).sqrt()
mag = torch.sum(flow_gt**2, dim=0).sqrt()
epe = epe.view(-1)
mag = mag.view(-1)
val = valid_gt.view(-1) >= 0.5
out = ((epe > 3.0) & ((epe/mag) > 0.05)).float()
epe_list[0] += epe[val].mean().item()
epe_list[1] += 1
out_list[0] += out[val].sum()
out_list[1] += torch.sum(val)
eppc_list[0] += eppc
eppc_list[1] += 1
mvl_list[0] += outputsrec['loss_mv']
mvl_list[1] += 1
angl_list[0] += outputsrec['loss_ang']
angl_list[1] += 1
residual_opt_list[0] += outputsrec['loss_constrain']
residual_opt_list[1] += 1
residual_gt_list[0] += outputsrec['loss_constrain_gt']
residual_gt_list[1] += 1
if args.distributed:
dist.all_reduce(tensor=epe_list, op=dist.ReduceOp.SUM, group=group)
dist.all_reduce(tensor=out_list, op=dist.ReduceOp.SUM, group=group)
dist.all_reduce(tensor=eppc_list, op=dist.ReduceOp.SUM, group=group)
dist.all_reduce(tensor=mvl_list, op=dist.ReduceOp.SUM, group=group)
dist.all_reduce(tensor=angl_list, op=dist.ReduceOp.SUM, group=group)
dist.all_reduce(tensor=residual_opt_list, op=dist.ReduceOp.SUM, group=group)
dist.all_reduce(tensor=residual_gt_list, op=dist.ReduceOp.SUM, group=group)
if args.gpu == 0:
epe = epe_list[0] / epe_list[1]
f1 = 100 * out_list[0] / out_list[1]
eppc = eppc_list[0] / eppc_list[1]
mvl = mvl_list[0] / mvl_list[1]
angl = angl_list[0] / angl_list[1]
residual_optl = residual_opt_list[0] / residual_opt_list[1]
residual_gtl = residual_gt_list[0] / residual_gt_list[1]
# print("Validation KITTI, epe: %f, f1: %f, eppc: %f, mvl: %f, angl: %f, residual_optl: %f, residual_gt: %f" % (epe, f1, eppc, mvl, angl, residual_optl, residual_gtl))
return {'kitti-epe': float(epe.detach().cpu().numpy()), 'kitti-f1': float(f1.detach().cpu().numpy()), 'kitti-eppc': float(eppc.detach().cpu().numpy()),
'mvl': float(mvl.detach().cpu().numpy()), 'angl': float(angl.detach().cpu().numpy()),
'residual_optl': float(residual_optl.detach().cpu().numpy()), 'residual_gtl': float(residual_gtl.detach().cpu().numpy())
}
else:
return None
def validate_kitti(model, args, eval_loader, eppCbck, eppconcluer, group, iters=24):
""" Peform validation using the KITTI-2015 (train) split """
model.eval()
epe_list = torch.zeros(2).cuda(device=args.gpu)
out_list = torch.zeros(2).cuda(device=args.gpu)
eppc_list = torch.zeros(2).cuda(device=args.gpu)
mvl_list = torch.zeros(2).cuda(device=args.gpu)
angl_list = torch.zeros(2).cuda(device=args.gpu)
residual_opt_list = torch.zeros(2).cuda(device=args.gpu)
residual_gt_list = torch.zeros(2).cuda(device=args.gpu)
mvlv2d_list = torch.zeros(2).cuda(device=args.gpu)
anglv2d_list = torch.zeros(2).cuda(device=args.gpu)
for val_id, batch in enumerate(tqdm(eval_loader)):
image1 = batch['img1']
image1 = Variable(image1)
image1 = image1.cuda(args.gpu, non_blocking=True)
image2 = batch['img2']
image2 = Variable(image2)
image2 = image2.cuda(args.gpu, non_blocking=True)
flow_gt = batch['flow']
flow_gt = Variable(flow_gt)
flow_gt = flow_gt.cuda(args.gpu, non_blocking=True)
flow_gt = flow_gt[0]
valid_gt = batch['valid']
valid_gt = Variable(valid_gt)
valid_gt = valid_gt.cuda(args.gpu, non_blocking=True)
valid_gt = valid_gt[0]
intrinsic = batch['intrinsic']
intrinsic = Variable(intrinsic)
intrinsic = intrinsic.cuda(args.gpu, non_blocking=True)
rel_pose = batch['rel_pose']
rel_pose = Variable(rel_pose)
rel_pose = rel_pose.cuda(args.gpu, non_blocking=True)
E = batch['E']
E = Variable(E)
E = E.cuda(args.gpu, non_blocking=True)
semantic_selector = batch['semantic_selector']
semantic_selector = Variable(semantic_selector)
semantic_selector = semantic_selector.cuda(args.gpu, non_blocking=True)
depth = batch['depth']
depth = Variable(depth)
depth = depth.cuda(args.gpu, non_blocking=True)
rel_pose_deepv2d = read_deepv2d_pose(batch['entry'][0])
rel_pose_deepv2d = Variable(rel_pose_deepv2d)
rel_pose_deepv2d = rel_pose_deepv2d.cuda(args.gpu, non_blocking=True)
padder = InputPadder(image1.shape, mode='kitti')
image1, image2 = padder.pad(image1, image2)
flow_low, flow_pr = model(image1, image2, iters=iters, test_mode=True)
flow = padder.unpad(flow_pr[0])
pts1, pts2 = eppconcluer.flowmap2ptspair(flowmap=flow.unsqueeze(0), valid=semantic_selector.unsqueeze(0))
outputsrec = eppconcluer.newton_gauss_F(pts2d1=pts1, pts2d2=pts2, intrinsic=intrinsic.squeeze(), posegt=rel_pose.squeeze(), posedeepv2d=rel_pose_deepv2d)
if outputsrec['loss_mv'] > 0.1:
continue
if True:
rel_pose_deepv2d[0:3, 3] = rel_pose_deepv2d[0:3, 3] / torch.norm(rel_pose_deepv2d[0:3, 3]) * torch.norm(rel_pose[0, 0:3, 3])
poses = [rel_pose.squeeze().cpu().numpy(), rel_pose_deepv2d.squeeze().cpu().numpy(), outputsrec['pose_est'].squeeze().cpu().numpy()]
vlsroots = ['/media/shengjie/c9c81c9f-511c-41c6-bfe0-2fc19666fb32/Visualizations/kitti_imu_eigen', '/media/shengjie/c9c81c9f-511c-41c6-bfe0-2fc19666fb32/Visualizations/deepv2d_posevls_eigen',
'/media/shengjie/c9c81c9f-511c-41c6-bfe0-2fc19666fb32/Visualizations/raft_posevls_eigen_nptsdist']
seq, imgname, _ = batch['entry'][0].split(' ')
image1_unpad = padder.unpad(image1[0])
image2_unpad = padder.unpad(image2[0])
img1 = image1_unpad.cpu().detach().permute([1, 2, 0]).numpy().astype(np.uint8)
img2 = image2_unpad.cpu().detach().permute([1, 2, 0]).numpy().astype(np.uint8)
depthnp = depth[0].cpu().squeeze().numpy()
validnp = depthnp > 0
h, w = image1_unpad.shape[1::]
xx, yy = np.meshgrid(range(w), range(h), indexing='xy')
k = 2
vlsroot = vlsroots[k]
posec = poses[k]
xxf = xx[validnp]
yyf = yy[validnp]
depthf = depthnp[validnp]
pts3d = np.stack([xxf * depthf, yyf * depthf, depthf, np.ones_like(xxf)], axis=0)
intrinsicnp = np.eye(4)
intrinsicnp[0:3, 0:3] = intrinsic.squeeze().cpu().numpy()
pts3d_oview = intrinsicnp @ posec @ np.linalg.inv(intrinsicnp) @ pts3d
pts3d_oview_x = pts3d_oview[0, :] / pts3d_oview[2, :]
pts3d_oview_y = pts3d_oview[1, :] / pts3d_oview[2, :]
cm = plt.get_cmap('magma')
vmax = 0.15
tnp = 1 / depthf / vmax
tnp = cm(tnp)
fig = plt.figure(figsize=(16, 9))
fig.add_subplot(2, 1, 1)
plt.scatter(xxf, yyf, 1, tnp)
plt.imshow(img1)
fig.add_subplot(2, 1, 2)
plt.scatter(pts3d_oview_x, pts3d_oview_y, 1, tnp)
plt.imshow(img2)
plt.subplots_adjust(left=0, bottom=0, right=1, top=1, wspace=0, hspace=0)
plt.savefig(os.path.join(vlsroot, "{}_{}.png".format(seq.split("/")[1], imgname.zfill(10))))
plt.close()
if False:
exportroot = '/media/shengjie/disk1/Prediction/RAFT_eigen_pose_nptsdist'
seq, imgname, _ = batch['entry'][0].split(' ')
svfold = os.path.join(exportroot, seq)
os.makedirs(svfold, exist_ok=True)
picklepath = os.path.join(svfold, "{}.pickle".format(imgname.zfill(10)))
pose2write = outputsrec['pose_est'].squeeze().cpu().numpy()
with open(picklepath, 'wb') as handle:
pickle.dump(pose2write, handle, protocol=pickle.HIGHEST_PROTOCOL)
exportroot = '/media/shengjie/disk1/Prediction/IMU_eigen_pose_nptsdist'
seq, imgname, _ = batch['entry'][0].split(' ')
svfold = os.path.join(exportroot, seq)
os.makedirs(svfold, exist_ok=True)
picklepath = os.path.join(svfold, "{}.pickle".format(imgname.zfill(10)))
pose2write = rel_pose.squeeze().cpu().numpy()
with open(picklepath, 'wb') as handle:
pickle.dump(pose2write, handle, protocol=pickle.HIGHEST_PROTOCOL)
eppc = eppCbck.epp_constrain_val(flowest=flow, E=E, valid=semantic_selector)
epe = torch.sum((flow - flow_gt)**2, dim=0).sqrt()
mag = torch.sum(flow_gt**2, dim=0).sqrt()
epe = epe.view(-1)
mag = mag.view(-1)
val = valid_gt.view(-1) >= 0.5
out = ((epe > 3.0) & ((epe/mag) > 0.05)).float()
epe_list[0] += epe[val].mean().item()
epe_list[1] += 1
out_list[0] += out[val].sum()
out_list[1] += torch.sum(val)
eppc_list[0] += eppc
eppc_list[1] += 1
mvl_list[0] += outputsrec['loss_mv']
mvl_list[1] += 1
angl_list[0] += outputsrec['loss_ang']
angl_list[1] += 1
mvlv2d_list[0] += outputsrec['loss_mv_dv2d']
mvlv2d_list[1] += 1
anglv2d_list[0] += outputsrec['loss_ang_dv2d']
anglv2d_list[1] += 1
residual_opt_list[0] += outputsrec['loss_constrain']
residual_opt_list[1] += 1
residual_gt_list[0] += outputsrec['loss_constrain_gt']
residual_gt_list[1] += 1
if args.distributed:
dist.all_reduce(tensor=epe_list, op=dist.ReduceOp.SUM, group=group)
dist.all_reduce(tensor=out_list, op=dist.ReduceOp.SUM, group=group)
dist.all_reduce(tensor=eppc_list, op=dist.ReduceOp.SUM, group=group)
dist.all_reduce(tensor=mvl_list, op=dist.ReduceOp.SUM, group=group)
dist.all_reduce(tensor=angl_list, op=dist.ReduceOp.SUM, group=group)
dist.all_reduce(tensor=residual_opt_list, op=dist.ReduceOp.SUM, group=group)
dist.all_reduce(tensor=residual_gt_list, op=dist.ReduceOp.SUM, group=group)
dist.all_reduce(tensor=mvlv2d_list, op=dist.ReduceOp.SUM, group=group)
dist.all_reduce(tensor=anglv2d_list, op=dist.ReduceOp.SUM, group=group)
if args.gpu == 0:
epe = epe_list[0] / epe_list[1]
f1 = 100 * out_list[0] / out_list[1]
eppc = eppc_list[0] / eppc_list[1]
mvl = mvl_list[0] / mvl_list[1]
angl = angl_list[0] / angl_list[1]
residual_optl = residual_opt_list[0] / residual_opt_list[1]
residual_gtl = residual_gt_list[0] / residual_gt_list[1]
mvl_dv2d = mvlv2d_list[0] / mvlv2d_list[1]
angl_dv2d = anglv2d_list[0] / anglv2d_list[1]
return {'kitti-epe': float(epe.detach().cpu().numpy()), 'kitti-f1': float(f1.detach().cpu().numpy()), 'kitti-eppc': float(eppc.detach().cpu().numpy()),
'mvl': float(mvl.detach().cpu().numpy()), 'angl': float(angl.detach().cpu().numpy()), 'mvl_dv2d': float(mvl_dv2d.detach().cpu().numpy()), 'angl_dv2d': float(angl_dv2d.detach().cpu().numpy()),
'residual_optl': float(residual_optl.detach().cpu().numpy()), 'residual_gtl': float(residual_gtl.detach().cpu().numpy())
}
else:
return None
def validate_kitti(model,
args,
eval_loader,
eppCbck,
eppc_dict,
group,
iters=24):
""" Peform validation using the KITTI-2015 (train) split """
model.eval()
epe_list = torch.zeros(2).cuda(device=args.gpu)
out_list = torch.zeros(2).cuda(device=args.gpu)
eppc_list = torch.zeros(2).cuda(device=args.gpu)
mvl_list = torch.zeros(2).cuda(device=args.gpu)
angl_list = torch.zeros(2).cuda(device=args.gpu)
for val_id, batch in enumerate(tqdm(eval_loader)):
image1 = batch['img1']
image1 = Variable(image1)
image1 = image1.cuda(args.gpu, non_blocking=True)
image2 = batch['img2']
image2 = Variable(image2)
image2 = image2.cuda(args.gpu, non_blocking=True)
flow_gt = batch['flow']
flow_gt = Variable(flow_gt)
flow_gt = flow_gt.cuda(args.gpu, non_blocking=True)
flow_gt = flow_gt[0]
valid_gt = batch['valid']
valid_gt = Variable(valid_gt)
valid_gt = valid_gt.cuda(args.gpu, non_blocking=True)
valid_gt = valid_gt[0]
intrinsic = batch['intrinsic']
intrinsic = Variable(intrinsic)
intrinsic = intrinsic.cuda(args.gpu, non_blocking=True)
rel_pose = batch['rel_pose']
rel_pose = Variable(rel_pose)
rel_pose = rel_pose.cuda(args.gpu, non_blocking=True)
E = batch['E']
E = Variable(E)
E = E.cuda(args.gpu, non_blocking=True)
semantic_selector = batch['semantic_selector']
semantic_selector = Variable(semantic_selector)
semantic_selector = semantic_selector.cuda(args.gpu, non_blocking=True)
depth = batch['depth']
depth = Variable(depth)
depth = depth.cuda(args.gpu, non_blocking=True)
padder = InputPadder(image1.shape, mode='kitti')
image1, image2 = padder.pad(image1, image2)
flow_low, flow_pr = model(image1, image2, iters=iters, test_mode=True)
flow = padder.unpad(flow_pr[0])
bz, _, h, w = depth.shape
eppc_key = "{}_{}".format(h, w)
if eppc_key not in eppc_dict:
eppc = EPPCore(bz=1,
height=h,
width=w,
itnum=100,
lr=0.1,
lap=1e-2,
maxinsnum=10)
eppc.to(f'cuda:{args.gpu}')
eppc_dict[eppc_key] = eppc
eppc = eppc_dict[eppc_key]
instancemap = torch.zeros_like(depth)
instancemap[semantic_selector.unsqueeze(0) == 0] = -1
instancemap = instancemap.int()
t, R = eppc.flow2epp(insmap=instancemap,
flowmap=flow.unsqueeze(0),
intrinsic=intrinsic)
ang = eppc.R2ang(R)
t_est = t[0, 0].squeeze()
ang_est = ang[0, 0].squeeze()
t_gt = rel_pose[0, 0:3, 3] / torch.norm(rel_pose[0, 0:3, 3])
ang_gt = (eppc.R2ang(rel_pose[0, 0:3,
0:3].unsqueeze(0).unsqueeze(0).expand(
[-1, 10, -1, -1]))[0, 0]).squeeze()
loss_mv = 1 - torch.sum(t_est * t_gt)
loss_ang = (ang_est - ang_gt).abs().mean()
if loss_mv > 0.1:
continue
eppc = eppCbck.epp_constrain_val(flowest=flow,
E=E,
valid=semantic_selector)
epe = torch.sum((flow - flow_gt)**2, dim=0).sqrt()
mag = torch.sum(flow_gt**2, dim=0).sqrt()
epe = epe.view(-1)
mag = mag.view(-1)
val = valid_gt.view(-1) >= 0.5
out = ((epe > 3.0) & ((epe / mag) > 0.05)).float()
epe_list[0] += epe[val].mean().item()
epe_list[1] += 1
out_list[0] += out[val].sum()
out_list[1] += torch.sum(val)
eppc_list[0] += eppc
eppc_list[1] += 1
mvl_list[0] += loss_mv
mvl_list[1] += 1
angl_list[0] += loss_ang
angl_list[1] += 1
if args.distributed:
dist.all_reduce(tensor=epe_list, op=dist.ReduceOp.SUM, group=group)
dist.all_reduce(tensor=out_list, op=dist.ReduceOp.SUM, group=group)
dist.all_reduce(tensor=eppc_list, op=dist.ReduceOp.SUM, group=group)
dist.all_reduce(tensor=mvl_list, op=dist.ReduceOp.SUM, group=group)
dist.all_reduce(tensor=angl_list, op=dist.ReduceOp.SUM, group=group)
if args.gpu == 0:
epe = epe_list[0] / epe_list[1]
f1 = 100 * out_list[0] / out_list[1]
eppc = eppc_list[0] / eppc_list[1]
mvl = mvl_list[0] / mvl_list[1]
angl = angl_list[0] / angl_list[1]
return {
'kitti-epe': float(epe.detach().cpu().numpy()),
'kitti-f1': float(f1.detach().cpu().numpy()),
'kitti-eppc': float(eppc.detach().cpu().numpy()),
'mvl': float(mvl.detach().cpu().numpy()),
'angl': float(angl.detach().cpu().numpy())
}
else:
return None