def predict_semantic_segmentation(img, position, path_to_model, path_to_final,
z_patch, y_patch, x_patch, z_shape, y_shape,
x_shape, compress, header, img_header,
channels, stride_size, allLabels, batch_size,
region_of_interest):
# img shape
zsh, ysh, xsh = img.shape
# list of IDs
list_IDs = []
# get nIds of patches
for k in range(0, zsh - z_patch + 1, stride_size):
for l in range(0, ysh - y_patch + 1, stride_size):
for m in range(0, xsh - x_patch + 1, stride_size):
list_IDs.append(k * ysh * xsh + l * xsh + m)
# make length of list divisible by batch size
rest = batch_size - (len(list_IDs) % batch_size)
list_IDs = list_IDs + list_IDs[:rest]
# parameters
params = {
'dim': (z_patch, y_patch, x_patch),
'dim_img': (zsh, ysh, xsh),
'batch_size': batch_size,
'n_channels': channels
}
# data generator
predict_generator = PredictDataGenerator(img, position, list_IDs, **params)
# create a MirroredStrategy
if os.name == 'nt':
cdo = tf.distribute.HierarchicalCopyAllReduce()
else:
cdo = tf.distribute.NcclAllReduce()
strategy = tf.distribute.MirroredStrategy(cross_device_ops=cdo)
# load model
with strategy.scope():
model = load_model(str(path_to_model))
# predict
probabilities = model.predict(predict_generator, verbose=0, steps=None)
# create final
final = np.zeros((zsh, ysh, xsh, probabilities.shape[4]), dtype=np.float32)
nb = 0
for k in range(0, zsh - z_patch + 1, stride_size):
for l in range(0, ysh - y_patch + 1, stride_size):
for m in range(0, xsh - x_patch + 1, stride_size):
final[k:k + z_patch, l:l + y_patch,
m:m + x_patch] += probabilities[nb]
nb += 1
# get final
out = np.argmax(final, axis=3)
out = out.astype(np.uint8)
# rescale final to input size
np_unique = np.unique(out)
label = np.zeros((z_shape, y_shape, x_shape), dtype=out.dtype)
for k in np_unique:
tmp = np.zeros_like(out)
tmp[out == k] = 1
tmp = img_resize(tmp, z_shape, y_shape, x_shape)
label[tmp == 1] = k
# revert automatic cropping
if np.any(region_of_interest):
min_z, max_z, min_y, max_y, min_x, max_x, z_shape, y_shape, x_shape = region_of_interest[:]
tmp = np.zeros((z_shape, y_shape, x_shape), dtype=out.dtype)
tmp[min_z:max_z, min_y:max_y, min_x:max_x] = label
label = np.copy(tmp)
# save final
label = label.astype(np.uint8)
label = get_labels(label, allLabels)
if header is not None:
header = get_image_dimensions(header, label)
if img_header is not None:
try:
header = get_physical_size(header, img_header)
except:
pass
save_data(path_to_final, label, header=header, compress=compress)
def refine_semantic_segmentation(path_to_img, path_to_final, path_to_model,
patch_size, compress, header, img_header,
normalize, stride_size, allLabels, mu, sig,
batch_size):
# load refine data
img, label, final, z_shape, y_shape, x_shape = load_refine_data(
path_to_img, path_to_final, patch_size, normalize, allLabels, mu, sig)
# get number of 3D-patches
nb = 0
zsh, ysh, xsh = img.shape
for k in range(0, zsh - patch_size + 1, stride_size):
for l in range(0, ysh - patch_size + 1, stride_size):
for m in range(0, xsh - patch_size + 1, stride_size):
tmp = label[k:k + patch_size, l:l + patch_size,
m:m + patch_size]
#if 0.1 * patch_size**3 < np.sum(tmp > 0) < 0.9 * patch_size**3:
if np.any(tmp[1:] != tmp[0, 0, 0]):
nb += 1
# create prediction set
x_test = np.empty((nb, patch_size, patch_size, patch_size, 2),
dtype=img.dtype)
nb = 0
zsh, ysh, xsh = img.shape
for k in range(0, zsh - patch_size + 1, stride_size):
for l in range(0, ysh - patch_size + 1, stride_size):
for m in range(0, xsh - patch_size + 1, stride_size):
tmp = label[k:k + patch_size, l:l + patch_size,
m:m + patch_size]
#if 0.1 * patch_size**3 < np.sum(tmp > 0) < 0.9 * patch_size**3:
if np.any(tmp[1:] != tmp[0, 0, 0]):
x_test[nb, :, :, :,
0] = img[k:k + patch_size, l:l + patch_size,
m:m + patch_size]
x_test[nb, :, :, :,
1] = final[k:k + patch_size, l:l + patch_size,
m:m + patch_size]
nb += 1
# reshape prediction data
x_test = x_test.reshape(nb, patch_size, patch_size, patch_size, 2)
# create a MirroredStrategy
if os.name == 'nt':
cdo = tf.distribute.HierarchicalCopyAllReduce()
else:
cdo = tf.distribute.NcclAllReduce()
strategy = tf.distribute.MirroredStrategy(cross_device_ops=cdo)
# load model
with strategy.scope():
model = load_model(str(path_to_model))
# predict
prob = model.predict(x_test, batch_size=batch_size, verbose=0, steps=None)
# create final
nb = 0
zsh, ysh, xsh = img.shape
final = np.zeros((zsh, ysh, xsh, prob.shape[4]), dtype=np.float32)
for k in range(0, zsh - patch_size + 1, stride_size):
for l in range(0, ysh - patch_size + 1, stride_size):
for m in range(0, xsh - patch_size + 1, stride_size):
tmp = label[k:k + patch_size, l:l + patch_size,
m:m + patch_size]
#if 0.1 * patch_size**3 < np.sum(tmp > 0) < 0.9 * patch_size**3:
if np.any(tmp[1:] != tmp[0, 0, 0]):
final[k:k + patch_size, l:l + patch_size,
m:m + patch_size] += prob[nb]
nb += 1
final = np.argmax(final, axis=3)
final = final.astype(np.uint8)
out = np.copy(label)
for k in range(0, zsh - patch_size + 1, stride_size):
for l in range(0, ysh - patch_size + 1, stride_size):
for m in range(0, xsh - patch_size + 1, stride_size):
tmp = label[k:k + patch_size, l:l + patch_size,
m:m + patch_size]
#if 0.1 * patch_size**3 < np.sum(tmp > 0) < 0.9 * patch_size**3:
if np.any(tmp[1:] != tmp[0, 0, 0]):
out[k:k + patch_size, l:l + patch_size,
m:m + patch_size] = final[k:k + patch_size,
l:l + patch_size,
m:m + patch_size]
# save final
out = out.astype(np.uint8)
out = get_labels(out, allLabels)
out = out[:z_shape, :y_shape, :x_shape]
if header is not None:
header = get_image_dimensions(header, out)
if img_header is not None:
try:
header = get_physical_size(header, img_header)
except:
pass
save_data(path_to_final, out, header=header, compress=compress)
def _diffusion_child(comm, bm=None):
rank = comm.Get_rank()
ngpus = comm.Get_size()
nodename = socket.gethostname()
name = '%s %s' %(nodename, rank)
print(name)
if rank == 0:
# split indices on GPUs
indices_split = _split_indices(bm.indices, ngpus)
print('Indices:', indices_split)
# send data to GPUs
for k in range(1, ngpus):
sendToChild(comm, bm.indices, indices_split[k], k, bm.data, bm.labels, bm.label.nbrw, bm.label.sorw, bm.label.allaxis)
# init cuda device
cuda.init()
dev = cuda.Device(rank)
ctx = dev.make_context()
# select the desired script
if bm.label.allaxis:
from pycuda_small_allx import walk
else:
from pycuda_small import walk
# run random walks
tic = time.time()
walkmap = walk(bm.data, bm.labels, bm.indices, indices_split[0], bm.label.nbrw, bm.label.sorw, name)
tac = time.time()
print('Walktime_%s: ' %(name) + str(int(tac - tic)) + ' ' + 'seconds')
# gather data
zsh_tmp = bm.argmax_z - bm.argmin_z
ysh_tmp = bm.argmax_y - bm.argmin_y
xsh_tmp = bm.argmax_x - bm.argmin_x
if ngpus > 1:
final_zero = np.empty((bm.nol, zsh_tmp, ysh_tmp, xsh_tmp), dtype=np.float32)
for k in range(bm.nol):
sendbuf = np.copy(walkmap[k])
recvbuf = np.empty((zsh_tmp, ysh_tmp, xsh_tmp), dtype=np.float32)
comm.Barrier()
comm.Reduce([sendbuf, MPI.FLOAT], [recvbuf, MPI.FLOAT], root=0, op=MPI.SUM)
final_zero[k] = recvbuf
else:
final_zero = walkmap
# block and grid size
block = (32, 32, 1)
x_grid = (xsh_tmp // 32) + 1
y_grid = (ysh_tmp // 32) + 1
grid = (int(x_grid), int(y_grid), int(zsh_tmp))
xsh_gpu = np.int32(xsh_tmp)
ysh_gpu = np.int32(ysh_tmp)
# smooth
if bm.label.smooth:
try:
update_gpu = _build_update_gpu()
curvature_gpu = _build_curvature_gpu()
a_gpu = gpuarray.empty((zsh_tmp, ysh_tmp, xsh_tmp), dtype=np.float32)
b_gpu = gpuarray.zeros((zsh_tmp, ysh_tmp, xsh_tmp), dtype=np.float32)
except Exception as e:
print('Warning: GPU out of memory to allocate smooth array. Process starts without smoothing.')
bm.label.smooth = 0
if bm.label.smooth:
final_smooth = np.copy(final_zero)
for k in range(bm.nol):
a_gpu = gpuarray.to_gpu(final_smooth[k])
for l in range(bm.label.smooth):
curvature_gpu(a_gpu, b_gpu, xsh_gpu, ysh_gpu, block=block, grid=grid)
update_gpu(a_gpu, b_gpu, xsh_gpu, ysh_gpu, block=block, grid=grid)
final_smooth[k] = a_gpu.get()
final_smooth = np.argmax(final_smooth, axis=0).astype(np.uint8)
final_smooth = get_labels(final_smooth, bm.allLabels)
final = np.zeros((bm.zsh, bm.ysh, bm.xsh), dtype=np.uint8)
final[bm.argmin_z:bm.argmax_z, bm.argmin_y:bm.argmax_y, bm.argmin_x:bm.argmax_x] = final_smooth
final = final[1:-1, 1:-1, 1:-1]
bm.path_to_smooth = unique_file_path(bm.path_to_smooth, bm.image.user.username)
save_data(bm.path_to_smooth, final, bm.header, bm.final_image_type, bm.label.compression)
# uncertainty
if bm.label.uncertainty:
try:
max_gpu = gpuarray.zeros((3, zsh_tmp, ysh_tmp, xsh_tmp), dtype=np.float32)
a_gpu = gpuarray.zeros((zsh_tmp, ysh_tmp, xsh_tmp), dtype=np.float32)
kernel_uncertainty = _build_kernel_uncertainty()
kernel_max = _build_kernel_max()
for k in range(bm.nol):
a_gpu = gpuarray.to_gpu(final_zero[k])
kernel_max(max_gpu, a_gpu, xsh_gpu, ysh_gpu, block=block, grid=grid)
kernel_uncertainty(max_gpu, a_gpu, xsh_gpu, ysh_gpu, block=block, grid=grid)
uq = a_gpu.get()
uq *= 255
uq = uq.astype(np.uint8)
final = np.zeros((bm.zsh, bm.ysh, bm.xsh), dtype=np.uint8)
final[bm.argmin_z:bm.argmax_z, bm.argmin_y:bm.argmax_y, bm.argmin_x:bm.argmax_x] = uq
final = final[1:-1, 1:-1, 1:-1]
bm.path_to_uq = unique_file_path(bm.path_to_uq, bm.image.user.username)
save_data(bm.path_to_uq, final, compress=bm.label.compression)
except Exception as e:
print('Warning: GPU out of memory to allocate uncertainty array. Process starts without uncertainty.')
bm.label.uncertainty = False
# free device
ctx.pop()
del ctx
# argmax
final_zero = np.argmax(final_zero, axis=0).astype(np.uint8)
# save finals
final_zero = get_labels(final_zero, bm.allLabels)
final = np.zeros((bm.zsh, bm.ysh, bm.xsh), dtype=np.uint8)
final[bm.argmin_z:bm.argmax_z, bm.argmin_y:bm.argmax_y, bm.argmin_x:bm.argmax_x] = final_zero
final = final[1:-1, 1:-1, 1:-1]
bm.path_to_final = unique_file_path(bm.path_to_final, bm.image.user.username)
save_data(bm.path_to_final, final, bm.header, bm.final_image_type, bm.label.compression)
# create final objects
shortfilename = os.path.basename(bm.path_to_final)
filename = 'images/' + bm.image.user.username + '/' + shortfilename
tmp = Upload.objects.create(pic=filename, user=bm.image.user, project=bm.image.project, final=1, active=1, imageType=3, shortfilename=shortfilename)
tmp.friend = tmp.id
tmp.save()
if bm.label.uncertainty:
shortfilename = os.path.basename(bm.path_to_uq)
filename = 'images/' + bm.image.user.username + '/' + shortfilename
Upload.objects.create(pic=filename, user=bm.image.user, project=bm.image.project, final=4, imageType=3, shortfilename=shortfilename, friend=tmp.id)
if bm.label.smooth:
shortfilename = os.path.basename(bm.path_to_smooth)
filename = 'images/' + bm.image.user.username + '/' + shortfilename
smooth = Upload.objects.create(pic=filename, user=bm.image.user, project=bm.image.project, final=5, imageType=3, shortfilename=shortfilename, friend=tmp.id)
# write in logs
t = int(time.time() - bm.TIC)
if t < 60:
time_str = str(t) + ' sec'
elif 60 <= t < 3600:
time_str = str(t // 60) + ' min ' + str(t % 60) + ' sec'
elif 3600 < t:
time_str = str(t // 3600) + ' h ' + str((t % 3600) // 60) + ' min ' + str(t % 60) + ' sec'
with open(bm.path_to_time, 'a') as timefile:
print('%s %s %s %s MB %s on %s' %(time.ctime(), bm.image.user.username, bm.image.shortfilename, bm.imageSize, time_str, config['SERVER_ALIAS']), file=timefile)
print('Total calculation time:', time_str)
# send notification
send_notification(bm.image.user.username, bm.image.shortfilename, time_str, config['SERVER_ALIAS'])
# start subprocesses
if config['OS'] == 'linux':
# acwe
q = Queue('acwe', connection=Redis())
job = q.enqueue_call(active_contour, args=(bm.image.id, tmp.id, bm.label.id,), timeout=-1)
# cleanup
q = Queue('cleanup', connection=Redis())
job = q.enqueue_call(remove_outlier, args=(bm.image.id, tmp.id, tmp.id, bm.label.id,), timeout=-1)
if bm.label.smooth:
job = q.enqueue_call(remove_outlier, args=(bm.image.id, smooth.id, tmp.id, bm.label.id, False,), timeout=-1)
# create slices
q = Queue('slices', connection=Redis())
job = q.enqueue_call(create_slices, args=(bm.path_to_data, bm.path_to_final,), timeout=-1)
if bm.label.smooth:
job = q.enqueue_call(create_slices, args=(bm.path_to_data, bm.path_to_smooth,), timeout=-1)
if bm.label.uncertainty:
job = q.enqueue_call(create_slices, args=(bm.path_to_uq, None,), timeout=-1)
elif config['OS'] == 'windows':
# acwe
Process(target=active_contour, args=(bm.image.id, tmp.id, bm.label.id)).start()
# cleanup
Process(target=remove_outlier, args=(bm.image.id, tmp.id, tmp.id, bm.label.id)).start()
if bm.label.smooth:
Process(target=remove_outlier, args=(bm.image.id, smooth.id, tmp.id, bm.label.id, False)).start()
# create slices
Process(target=create_slices, args=(bm.path_to_data, bm.path_to_final)).start()
if bm.label.smooth:
Process(target=create_slices, args=(bm.path_to_data, bm.path_to_smooth)).start()
if bm.label.uncertainty:
Process(target=create_slices, args=(bm.path_to_uq, None)).start()
else:
data_z, data_y, data_x, data_dtype = comm.recv(source=0, tag=0)
data = np.empty((data_z, data_y, data_x), dtype=data_dtype)
if data_dtype == 'uint8':
comm.Recv([data, MPI.BYTE], source=0, tag=1)
else:
comm.Recv([data, MPI.FLOAT], source=0, tag=1)
allx, nbrw, sorw = comm.recv(source=0, tag=2)
if allx:
labels = []
for k in range(3):
labels_z, labels_y, labels_x = comm.recv(source=0, tag=k+3)
labels_tmp = np.empty((labels_z, labels_y, labels_x), dtype=np.int32)
comm.Recv([labels_tmp, MPI.INT], source=0, tag=k+6)
labels.append(labels_tmp)
else:
labels_z, labels_y, labels_x = comm.recv(source=0, tag=3)
labels = np.empty((labels_z, labels_y, labels_x), dtype=np.int32)
comm.Recv([labels, MPI.INT], source=0, tag=6)
indices = comm.recv(source=0, tag=9)
indices_child = comm.recv(source=0, tag=10)
# init cuda device
cuda.init()
dev = cuda.Device(rank)
ctx = dev.make_context()
# select the desired script
if allx:
from pycuda_small_allx import walk
else:
from pycuda_small import walk
# run random walks
tic = time.time()
walkmap = walk(data, labels, indices, indices_child, nbrw, sorw, name)
tac = time.time()
print('Walktime_%s: ' %(name) + str(int(tac - tic)) + ' ' + 'seconds')
# free device
ctx.pop()
del ctx
# send data
for k in range(walkmap.shape[0]):
datatemporaer = np.copy(walkmap[k])
comm.Barrier()
comm.Reduce([datatemporaer, MPI.FLOAT], None, root=0, op=MPI.SUM)
def active_contour(image_id, friend_id, label_id):
# time
TIC = time.time()
# create biomedisa
bm = Biomedisa()
# path to logfiles
bm.path_to_time = config['PATH_TO_BIOMEDISA'] + '/log/time.txt'
bm.path_to_logfile = config['PATH_TO_BIOMEDISA'] + '/log/logfile.txt'
# get objects
try:
bm.image = Upload.objects.get(pk=image_id)
bm.label = Upload.objects.get(pk=label_id)
friend = Upload.objects.get(pk=friend_id)
bm.success = True
except Upload.DoesNotExist:
bm.success = False
# path to data
bm.path_to_data = bm.image.pic.path
bm.path_to_labels = friend.pic.path
# pre-processing
if bm.success:
bm.process = 'acwe'
bm = pre_processing(bm)
if bm.success:
# final filename
filename, extension = os.path.splitext(bm.path_to_labels)
if extension == '.gz':
filename = filename[:-4]
bm.path_to_acwe = filename + '.acwe' + bm.final_image_type
# data type
bm.data = img_to_uint8(bm.data)
# get acwe parameters
alpha = bm.label.ac_alpha
smooth = bm.label.ac_smooth
steps = bm.label.ac_steps
# run acwe
final = activeContour(bm.data, bm.labelData, alpha, smooth, steps)
try:
# check if final still exists
friend = Upload.objects.get(pk=friend_id)
# save result
bm.path_to_acwe = unique_file_path(bm.path_to_acwe,
bm.image.user.username)
save_data(bm.path_to_acwe, final, bm.header, bm.final_image_type,
bm.label.compression)
# save django object
shortfilename = os.path.basename(bm.path_to_acwe)
pic_path = 'images/' + bm.image.user.username + '/' + shortfilename
Upload.objects.create(pic=pic_path,
user=bm.image.user,
project=friend.project,
final=3,
imageType=3,
shortfilename=shortfilename,
friend=friend_id)
# create slices
if config['OS'] == 'linux':
q = Queue('slices', connection=Redis())
job = q.enqueue_call(create_slices,
args=(
bm.path_to_data,
bm.path_to_acwe,
),
timeout=-1)
elif config['OS'] == 'windows':
Process(target=create_slices,
args=(bm.path_to_data, bm.path_to_acwe)).start()
except Upload.DoesNotExist:
pass
def _diffusion_child(comm, bm=None):
rank = comm.Get_rank()
ngpus = comm.Get_size()
nodename = socket.gethostname()
name = '%s %s' % (nodename, rank)
print(name)
if rank == 0:
# reduce blocksize
bm.data = np.copy(bm.data[bm.argmin_z:bm.argmax_z,
bm.argmin_y:bm.argmax_y,
bm.argmin_x:bm.argmax_x],
order='C')
bm.labelData = np.copy(bm.labelData[bm.argmin_z:bm.argmax_z,
bm.argmin_y:bm.argmax_y,
bm.argmin_x:bm.argmax_x],
order='C')
# domain decomposition
sizeofblocks = (bm.argmax_z - bm.argmin_z) // ngpus
blocks = [0]
for k in range(ngpus - 1):
block_temp = blocks[-1] + sizeofblocks
blocks.append(block_temp)
blocks.append(bm.argmax_z - bm.argmin_z)
print('blocks =', blocks)
# read labeled slices
if bm.label.allaxis:
tmp = np.swapaxes(bm.labelData, 0, 1)
tmp = np.ascontiguousarray(tmp)
indices_01, _ = read_labeled_slices_allx(tmp)
tmp = np.swapaxes(tmp, 0, 2)
tmp = np.ascontiguousarray(tmp)
indices_02, _ = read_labeled_slices_allx(tmp)
# send data to childs
for destination in range(ngpus - 1, -1, -1):
# ghost blocks
blockmin = blocks[destination]
blockmax = blocks[destination + 1]
datablockmin = blockmin - 100
datablockmax = blockmax + 100
datablockmin = 0 if datablockmin < 0 else datablockmin
datablockmax = (bm.argmax_z - bm.argmin_z) if datablockmax > (
bm.argmax_z - bm.argmin_z) else datablockmax
datablock = np.copy(bm.data[datablockmin:datablockmax], order='C')
labelblock = np.copy(bm.labelData[datablockmin:datablockmax],
order='C')
# read labeled slices
if bm.label.allaxis:
labelblock[:blockmin - datablockmin] = -1
labelblock[blockmax - datablockmin:] = -1
indices_child, labels_child = [], []
indices_00, labels_00 = read_labeled_slices_allx(labelblock)
indices_child.append(indices_00)
labels_child.append(labels_00)
tmp = np.swapaxes(labelblock, 0, 1)
tmp = np.ascontiguousarray(tmp)
labels_01 = np.zeros((0, tmp.shape[1], tmp.shape[2]),
dtype=np.int32)
for slcIndex in indices_01:
labels_01 = np.append(labels_01, [tmp[slcIndex]], axis=0)
indices_child.append(indices_01)
labels_child.append(labels_01)
tmp = np.swapaxes(tmp, 0, 2)
tmp = np.ascontiguousarray(tmp)
labels_02 = np.zeros((0, tmp.shape[1], tmp.shape[2]),
dtype=np.int32)
for slcIndex in indices_02:
labels_02 = np.append(labels_02, [tmp[slcIndex]], axis=0)
indices_child.append(indices_02)
labels_child.append(labels_02)
else:
labelblock[:blockmin - datablockmin] = 0
labelblock[blockmax - datablockmin:] = 0
indices_child, labels_child = read_labeled_slices(labelblock)
# print indices of labels
print('indices child %s:' % (destination), indices_child)
if destination > 0:
blocks_temp = blocks[:]
blocks_temp[destination] = blockmin - datablockmin
blocks_temp[destination + 1] = blockmax - datablockmin
dataListe = splitlargedata(datablock)
sendToChild(comm, indices_child, destination, dataListe,
labels_child, bm.label.nbrw, bm.label.sorw,
blocks_temp, bm.label.allaxis, bm.allLabels,
bm.label.smooth, bm.label.uncertainty)
else:
# select the desired script
if bm.label.allaxis:
from pycuda_large_allx import walk
else:
from pycuda_large import walk
# init cuda device
cuda.init()
dev = cuda.Device(rank)
ctx = dev.make_context()
queue = None
# run random walks
tic = time.time()
memory_error, final, final_uncertainty, final_smooth = walk(
comm, datablock, labels_child, indices_child,
bm.label.nbrw, bm.label.sorw, blockmin - datablockmin,
blockmax - datablockmin, name, bm.allLabels,
bm.label.smooth, bm.label.uncertainty, ctx, queue)
tac = time.time()
print('Walktime_%s: ' % (name) + str(int(tac - tic)) + ' ' +
'seconds')
# free device
ctx.pop()
del ctx
if memory_error:
bm = _error_(bm, 'GPU out of memory. Image too large.')
else:
# gather data
for source in range(1, ngpus):
lendataListe = comm.recv(source=source, tag=0)
for l in range(lendataListe):
data_z, data_y, data_x = comm.recv(source=source,
tag=10 + (2 * l))
receivedata = np.empty((data_z, data_y, data_x),
dtype=np.uint8)
comm.Recv([receivedata, MPI.BYTE],
source=source,
tag=10 + (2 * l + 1))
final = np.append(final, receivedata, axis=0)
# save finals
final2 = np.zeros((bm.zsh, bm.ysh, bm.xsh), dtype=np.uint8)
final2[bm.argmin_z:bm.argmax_z, bm.argmin_y:bm.argmax_y,
bm.argmin_x:bm.argmax_x] = final
final2 = final2[1:-1, 1:-1, 1:-1]
bm.path_to_final = unique_file_path(bm.path_to_final,
bm.image.user.username)
save_data(bm.path_to_final, final2, bm.header, bm.final_image_type,
bm.label.compression)
# uncertainty
if final_uncertainty is not None:
final_uncertainty *= 255
final_uncertainty = final_uncertainty.astype(np.uint8)
for source in range(1, ngpus):
lendataListe = comm.recv(source=source, tag=0)
for l in range(lendataListe):
data_z, data_y, data_x = comm.recv(source=source,
tag=10 + (2 * l))
receivedata = np.empty((data_z, data_y, data_x),
dtype=np.uint8)
comm.Recv([receivedata, MPI.BYTE],
source=source,
tag=10 + (2 * l + 1))
final_uncertainty = np.append(final_uncertainty,
receivedata,
axis=0)
# save finals
final2 = np.zeros((bm.zsh, bm.ysh, bm.xsh), dtype=np.uint8)
final2[bm.argmin_z:bm.argmax_z, bm.argmin_y:bm.argmax_y,
bm.argmin_x:bm.argmax_x] = final_uncertainty
final2 = final2[1:-1, 1:-1, 1:-1]
bm.path_to_uq = unique_file_path(bm.path_to_uq,
bm.image.user.username)
save_data(bm.path_to_uq, final2, compress=bm.label.compression)
# smooth
if final_smooth is not None:
for source in range(1, ngpus):
lendataListe = comm.recv(source=source, tag=0)
for l in range(lendataListe):
data_z, data_y, data_x = comm.recv(source=source,
tag=10 + (2 * l))
receivedata = np.empty((data_z, data_y, data_x),
dtype=np.uint8)
comm.Recv([receivedata, MPI.BYTE],
source=source,
tag=10 + (2 * l + 1))
final_smooth = np.append(final_smooth,
receivedata,
axis=0)
# save finals
final2 = np.zeros((bm.zsh, bm.ysh, bm.xsh), dtype=np.uint8)
final2[bm.argmin_z:bm.argmax_z, bm.argmin_y:bm.argmax_y,
bm.argmin_x:bm.argmax_x] = final_smooth
final2 = final2[1:-1, 1:-1, 1:-1]
bm.path_to_smooth = unique_file_path(bm.path_to_smooth,
bm.image.user.username)
save_data(bm.path_to_smooth, final2, bm.header,
bm.final_image_type, bm.label.compression)
# create final objects
shortfilename = os.path.basename(bm.path_to_final)
filename = 'images/' + bm.image.user.username + '/' + shortfilename
tmp = Upload.objects.create(pic=filename,
user=bm.image.user,
project=bm.image.project,
final=1,
active=1,
imageType=3,
shortfilename=shortfilename)
tmp.friend = tmp.id
tmp.save()
if final_uncertainty is not None:
shortfilename = os.path.basename(bm.path_to_uq)
filename = 'images/' + bm.image.user.username + '/' + shortfilename
Upload.objects.create(pic=filename,
user=bm.image.user,
project=bm.image.project,
final=4,
imageType=3,
shortfilename=shortfilename,
friend=tmp.id)
if final_smooth is not None:
shortfilename = os.path.basename(bm.path_to_smooth)
filename = 'images/' + bm.image.user.username + '/' + shortfilename
smooth = Upload.objects.create(pic=filename,
user=bm.image.user,
project=bm.image.project,
final=5,
imageType=3,
shortfilename=shortfilename,
friend=tmp.id)
# write in logs
t = int(time.time() - bm.TIC)
if t < 60:
time_str = str(t) + ' sec'
elif 60 <= t < 3600:
time_str = str(t // 60) + ' min ' + str(t % 60) + ' sec'
elif 3600 < t:
time_str = str(t // 3600) + ' h ' + str(
(t % 3600) // 60) + ' min ' + str(t % 60) + ' sec'
with open(bm.path_to_time, 'a') as timefile:
print('%s %s %s %s MB %s on %s' %
(time.ctime(), bm.image.user.username,
bm.image.shortfilename, bm.imageSize, time_str,
config['SERVER_ALIAS']),
file=timefile)
print('Total calculation time:', time_str)
# send notification
send_notification(bm.image.user.username, bm.image.shortfilename,
time_str, config['SERVER_ALIAS'])
# start subprocesses
if config['OS'] == 'linux':
# acwe
q = Queue('acwe', connection=Redis())
job = q.enqueue_call(active_contour,
args=(
bm.image.id,
tmp.id,
bm.label.id,
),
timeout=-1)
# cleanup
q = Queue('cleanup', connection=Redis())
job = q.enqueue_call(remove_outlier,
args=(
bm.image.id,
tmp.id,
tmp.id,
bm.label.id,
),
timeout=-1)
if final_smooth is not None:
job = q.enqueue_call(remove_outlier,
args=(
bm.image.id,
smooth.id,
tmp.id,
bm.label.id,
False,
),
timeout=-1)
# create slices
q = Queue('slices', connection=Redis())
job = q.enqueue_call(create_slices,
args=(
bm.path_to_data,
bm.path_to_final,
),
timeout=-1)
if final_smooth is not None:
job = q.enqueue_call(create_slices,
args=(
bm.path_to_data,
bm.path_to_smooth,
),
timeout=-1)
if final_uncertainty is not None:
job = q.enqueue_call(create_slices,
args=(
bm.path_to_uq,
None,
),
timeout=-1)
elif config['OS'] == 'windows':
# acwe
Process(target=active_contour,
args=(bm.image.id, tmp.id, bm.label.id)).start()
# cleanup
Process(target=remove_outlier,
args=(bm.image.id, tmp.id, tmp.id,
bm.label.id)).start()
if final_smooth is not None:
Process(target=remove_outlier,
args=(bm.image.id, smooth.id, tmp.id, bm.label.id,
False)).start()
# create slices
Process(target=create_slices,
args=(bm.path_to_data, bm.path_to_final)).start()
if final_smooth is not None:
Process(target=create_slices,
args=(bm.path_to_data, bm.path_to_smooth)).start()
if final_uncertainty is not None:
Process(target=create_slices,
args=(bm.path_to_uq, None)).start()
else:
lendataListe = comm.recv(source=0, tag=0)
for k in range(lendataListe):
data_z, data_y, data_x, data_dtype = comm.recv(source=0,
tag=10 + (2 * k))
if k == 0: data = np.zeros((0, data_y, data_x), dtype=data_dtype)
data_temp = np.empty((data_z, data_y, data_x), dtype=data_dtype)
if data_dtype == 'uint8':
comm.Recv([data_temp, MPI.BYTE],
source=0,
tag=10 + (2 * k + 1))
else:
comm.Recv([data_temp, MPI.FLOAT],
source=0,
tag=10 + (2 * k + 1))
data = np.append(data, data_temp, axis=0)
nbrw, sorw, allx, smooth, uncertainty = comm.recv(source=0, tag=1)
if allx:
labels = []
for k in range(3):
lenlabelsListe = comm.recv(source=0, tag=2 + k)
for l in range(lenlabelsListe):
labels_z, labels_y, labels_x = comm.recv(source=0,
tag=100 + (2 * k))
if l == 0:
labels_tmp = np.zeros((0, labels_y, labels_x),
dtype=np.int32)
tmp = np.empty((labels_z, labels_y, labels_x),
dtype=np.int32)
comm.Recv([tmp, MPI.INT], source=0, tag=100 + (2 * k + 1))
labels_tmp = np.append(labels_tmp, tmp, axis=0)
labels.append(labels_tmp)
else:
lenlabelsListe = comm.recv(source=0, tag=2)
for k in range(lenlabelsListe):
labels_z, labels_y, labels_x = comm.recv(source=0,
tag=100 + (2 * k))
if k == 0:
labels = np.zeros((0, labels_y, labels_x), dtype=np.int32)
tmp = np.empty((labels_z, labels_y, labels_x), dtype=np.int32)
comm.Recv([tmp, MPI.INT], source=0, tag=100 + (2 * k + 1))
labels = np.append(labels, tmp, axis=0)
allLabels = comm.recv(source=0, tag=99)
indices = comm.recv(source=0, tag=8)
blocks = comm.recv(source=0, tag=9)
blockmin = blocks[rank]
blockmax = blocks[rank + 1]
# select the desired script
if allx:
from pycuda_large_allx import walk
else:
from pycuda_large import walk
# init cuda device
cuda.init()
dev = cuda.Device(rank)
ctx = dev.make_context()
queue = None
# run random walks
tic = time.time()
memory_error, final, final_uncertainty, final_smooth = walk(
comm, data, labels, indices, nbrw, sorw, blockmin, blockmax, name,
allLabels, smooth, uncertainty, ctx, queue)
tac = time.time()
print('Walktime_%s: ' % (name) + str(int(tac - tic)) + ' ' + 'seconds')
# free device
ctx.pop()
del ctx
# send finals
if not memory_error:
dataListe = splitlargedata(final)
comm.send(len(dataListe), dest=0, tag=0)
for k, dataTemp in enumerate(dataListe):
dataTemp = dataTemp.copy(order='C')
comm.send(
[dataTemp.shape[0], dataTemp.shape[1], dataTemp.shape[2]],
dest=0,
tag=10 + (2 * k))
comm.Send([dataTemp, MPI.BYTE], dest=0, tag=10 + (2 * k + 1))
if final_uncertainty is not None:
final_uncertainty *= 255
final_uncertainty = final_uncertainty.astype(np.uint8)
dataListe = splitlargedata(final_uncertainty)
comm.send(len(dataListe), dest=0, tag=0)
for k, dataTemp in enumerate(dataListe):
dataTemp = dataTemp.copy(order='C')
comm.send([
dataTemp.shape[0], dataTemp.shape[1], dataTemp.shape[2]
],
dest=0,
tag=10 + (2 * k))
comm.Send([dataTemp, MPI.BYTE],
dest=0,
tag=10 + (2 * k + 1))
if final_smooth is not None:
dataListe = splitlargedata(final_smooth)
comm.send(len(dataListe), dest=0, tag=0)
for k, dataTemp in enumerate(dataListe):
dataTemp = dataTemp.copy(order='C')
comm.send([
dataTemp.shape[0], dataTemp.shape[1], dataTemp.shape[2]
],
dest=0,
tag=10 + (2 * k))
comm.Send([dataTemp, MPI.BYTE],
dest=0,
tag=10 + (2 * k + 1))
def remove_outlier(image_id, final_id, friend_id, label_id, fill_holes=True):
# get objects
try:
image = Upload.objects.get(pk=image_id)
final = Upload.objects.get(pk=final_id)
friend = Upload.objects.get(pk=friend_id)
label = Upload.objects.get(pk=label_id)
success = True
except Upload.DoesNotExist:
success = False
# path to data
path_to_data = image.pic.path
path_to_final = final.pic.path
if success:
# final filenames
filename, extension = os.path.splitext(path_to_final)
if extension == '.gz':
extension = '.nii.gz'
filename = filename[:-4]
path_to_cleaned = filename + '.cleaned' + extension
path_to_filled = filename + '.filled' + extension
path_to_cleaned_filled = filename + '.cleaned.filled' + extension
# load data and header
final, header = load_data(path_to_final, 'cleanup')
if extension not in ['.tif', '.am']:
_, header = load_data(label.pic.path, 'cleanup')
# remove outlier
final_cleaned = clean(final, label.delete_outliers)
try:
# check if final still exists
friend = Upload.objects.get(pk=friend_id)
# save results
path_to_cleaned = unique_file_path(path_to_cleaned,
label.user.username)
save_data(path_to_cleaned, final_cleaned, header, extension,
label.compression)
# save django object
shortfilename = os.path.basename(path_to_cleaned)
pic_path = 'images/' + friend.user.username + '/' + shortfilename
if fill_holes:
Upload.objects.create(pic=pic_path,
user=friend.user,
project=friend.project,
final=2,
imageType=3,
shortfilename=shortfilename,
friend=friend_id)
else:
Upload.objects.create(pic=pic_path,
user=friend.user,
project=friend.project,
final=6,
imageType=3,
shortfilename=shortfilename,
friend=friend_id)
# create slices for sliceviewer
if config['OS'] == 'linux':
q_slices = Queue('slices', connection=Redis())
job = q_slices.enqueue_call(create_slices,
args=(
path_to_data,
path_to_cleaned,
),
timeout=-1)
elif config['OS'] == 'windows':
p = Process(target=create_slices,
args=(path_to_data, path_to_cleaned))
p.start()
p.join()
except Upload.DoesNotExist:
success = False
# fill holes
if fill_holes and success:
final_filled = fill(final, label.fill_holes)
final_cleaned_filled = final_cleaned + (final_filled - final)
try:
# check if final still exists
friend = Upload.objects.get(pk=friend_id)
# save results
path_to_filled = unique_file_path(path_to_filled,
label.user.username)
save_data(path_to_filled, final_filled, header, extension,
label.compression)
path_to_cleaned_filled = unique_file_path(
path_to_cleaned_filled, label.user.username)
save_data(path_to_cleaned_filled, final_cleaned_filled, header,
extension, label.compression)
# save django object
shortfilename = os.path.basename(path_to_cleaned_filled)
pic_path = 'images/' + friend.user.username + '/' + shortfilename
Upload.objects.create(pic=pic_path,
user=friend.user,
project=friend.project,
final=8,
imageType=3,
shortfilename=shortfilename,
friend=friend_id)
shortfilename = os.path.basename(path_to_filled)
pic_path = 'images/' + friend.user.username + '/' + shortfilename
Upload.objects.create(pic=pic_path,
user=friend.user,
project=friend.project,
final=7,
imageType=3,
shortfilename=shortfilename,
friend=friend_id)
# create slices for sliceviewer
if config['OS'] == 'linux':
q_slices = Queue('slices', connection=Redis())
job = q_slices.enqueue_call(create_slices,
args=(
path_to_data,
path_to_filled,
),
timeout=-1)
job = q_slices.enqueue_call(create_slices,
args=(
path_to_data,
path_to_cleaned_filled,
),
timeout=-1)
elif config['OS'] == 'windows':
p = Process(target=create_slices,
args=(path_to_data, path_to_filled))
p.start()
p.join()
p = Process(target=create_slices,
args=(path_to_data, path_to_cleaned_filled))
p.start()
p.join()
except Upload.DoesNotExist:
pass
