def __init__(self, root, verbose=True):
"""
:param root: root location
:param: verbose: {boolean}
"""
data_root = join(root, 'epfl_campus')
if not isdir(data_root):
makedirs(data_root)
self.verbose = verbose
self.data_root = data_root
# download data:
seq_root = join(data_root, 'CampusSeq1')
self.seq_root = seq_root
if not isdir(seq_root):
seq_zip = join(data_root, 'CampusSeq1.zip')
if not isfile(seq_zip):
url = 'http://188.138.127.15:81/Datasets/CampusSeq1.zip'
if verbose:
print('\ndownload ' + url)
download.download(url, seq_zip)
if verbose:
print('\nunzip ' + seq_zip)
unzip.unzip(seq_zip, data_root, verbose, del_after_unzip=True)
# gt is taken from here: http://campar.in.tum.de/Chair/MultiHumanPose
P0 = np.array([[439.06, 180.81, -26.946, 185.95],
[-5.3416, 88.523, -450.95, 1324],
[0.0060594, 0.99348, -0.11385, 5.227]])
P1 = np.array([[162.36, -438.34, -17.508, 3347.4],
[73.3, -10.043, -443.34, 1373.5],
[0.99035, -0.047887, -0.13009, 6.6849]])
P2 = np.array([[237.58, 679.93, -26.772, -1558.3],
[-43.114, 21.982, -713.6, 1962.8],
[-0.83557, 0.53325, -0.13216, 11.202]])
self.Calib = [P0, P1, P2]
# GT binary file
actorsGTmat = join(seq_root, 'actorsGT.mat')
assert isfile(actorsGTmat)
M = loadmat(actorsGTmat)
Actor3d = M['actor3D'][0]
persons = []
for pid in range(3):
pts = []
Person = Actor3d[pid]
n = len(Person)
for frame in range(n):
pose = Person[frame][0]
if len(pose) == 1:
pts.append(None)
elif len(pose) == 14:
pts.append(pose)
else:
raise ValueError("Weird pose length:" + str(pose))
persons.append(pts)
self.Y = persons
def __init__(self, data_root, z_is_up=True, store_binary=False):
"""
:param data_root: root location for data
:param z_is_up: if True ensure that z points upwards
:param store_binary: if True store the extracted video sequence as
numpy binary for faster access
"""
assert isdir(data_root)
root = join(data_root, 'cmu_mocap')
if not isdir(root):
makedirs(root)
subject_folder = join(root, 'all_asfamc/subjects')
if not isdir(subject_folder):
print("[CMU MoCap] download file")
zip_files = ['allasfamc.zip']
for zip_name in zip_files:
url = 'http://mocap.cs.cmu.edu/' + zip_name
zip_file = join(root, zip_name)
if not isfile(zip_file):
print('\t[downloading] ', url)
download.download(url, zip_file)
print('\t[unzipping] ', zip_file)
unzip.unzip(zip_file, root)
self.subjects = sorted(listdir(subject_folder))
self.subject_folder = subject_folder
self.z_is_up = z_is_up
self.store_binary = store_binary
def __init__(self, root='/tmp', url=None, name=None):
"""
create a new instance of the ReId network
:param root:
"""
if url is None:
url = 'http://188.138.127.15:81/models/reid.h5'
if name is None:
name = 'reid.h5'
if not isdir(root):
makedirs(root)
filepath = join(root, name)
if not isfile(filepath):
print('could not find model.. downloading it')
dl.download(url, filepath)
if keras.__version__.startswith('2.2'):
warnings.warn(
"This model only works properly with keras 2.1.3. Weights for other versions might not work properly"
)
# ------- build model -------
seq = Sequential()
xception = Xception(weights='imagenet',
input_shape=(221, 221, 3),
include_top=False,
pooling='avg')
seq.add(xception)
# freeze first layers in pre-trained model
for layer in xception.layers[0:-20]:
layer.trainable = False
input_a = Input(shape=(221, 221, 3))
input_b = Input(shape=(221, 221, 3))
out_a = seq(input_a)
out_b = seq(input_b)
concatenated = concatenate([out_a, out_b])
hidden1 = Dense(128, activation='relu', name='dense_1')(concatenated)
hidden_drp1 = Dropout(0.7)(hidden1)
hidden2 = Dense(32, activation='relu', name='dense_2')(hidden_drp1)
hidden_drp2 = Dropout(0.1)(hidden2)
out = Dense(1, activation='sigmoid', name='dense_3')(hidden_drp2)
model = Model([input_a, input_b], out)
print('fp:', filepath)
model.load_weights(filepath)
self.model = model
def __init__(self, root):
""" files
:param root:
"""
assert isdir(root)
data_root = join(root, 'CAD_120')
if not isdir(data_root):
makedirs(data_root)
self.data_root = data_root
self.actions = sorted([
'arranging_objects', 'cleaning_objects', 'having_meal',
'making_cereal', 'microwaving_food', 'picking_objects',
'stacking_objects', 'taking_food', 'taking_medicine',
'unstacking_objects'
])
base_url = 'http://pr.cs.cornell.edu/humanactivities/data/'
self.subjects = [1, 3, 4, 5]
# map skeleton representation to joint 3d locs only
self.items = [0]
for i in range(11, 155, 14):
for j in range(0, 4):
self.items.append(i + j)
self.items = np.array(self.items + list((range(155, 171))))
# map our reduced joint + conf to actual 3d data
items3d = []
for i in range(1, 61, 4):
items3d += [i + j for j in range(3)]
self.items3d = np.array(items3d)
for pid in self.subjects:
dir_name = 'Subject%01d_annotations' % pid
dir_loc = join(data_root, dir_name)
if not isdir(dir_loc):
zip_loc = join(data_root, dir_name + '.tar.gz')
if not isfile(zip_loc):
print('download ' + dir_name)
url = base_url + dir_name + '.tar.gz'
download.download(url, zip_loc)
# unzip folder
print('unzip ', zip_loc)
unzip.unzip(zip_loc, dir_loc)
def __init__(self, root='/tmp', url=None, name=None):
"""
create a new instance of the ReId network
:param root:
"""
if url is None:
url = 'http://188.138.127.15:81/models/model_heavy_89acc.h5'
if name is None:
name = 'model_heavy_89acc.h5'
if not isdir(root):
makedirs(root)
filepath = join(root, name)
if not isfile(filepath):
print('could not find model.. downloading it')
dl.download(url, filepath)
self.model = load_model(filepath)
def get(data_root, frame):
"""
:param data_root:
:param frame: starting at frame 0
:return:
"""
seq_zipname = 'player2sequence1.zip'
seq_dir = 'Sequence 1'
player = 2
root = join(data_root, 'football2')
root = join(root, 'player' + str(player))
if not isdir(root):
makedirs(root)
seq_url = 'http://www.csc.kth.se/cvap/cvg/MultiViewFootballData/' + seq_zipname
seq_dir = join(root, seq_dir)
if not isdir(seq_dir):
seq_zip = join(root, seq_zipname)
if not isfile(seq_zip):
print('downloading... ', seq_url)
download(seq_url, seq_zip)
print('unzipping... ', seq_zip)
unzip(seq_zip, root)
pos2d_file = join(seq_dir, 'positions2d.txt')
pos2d = np.loadtxt(pos2d_file)
N = 14 # number joints
C = 3 # number cameras
T = len(pos2d) / 2 / N / C
assert floor(T) == ceil(T)
T = int(T)
pos2d_result = np.zeros((2, N, C, T))
counter = 0
for t in range(T):
for c in range(C):
for n in range(N):
for i in range(2):
pos2d_result[i, n, c, t] = pos2d[counter]
counter += 1
pos2d = pos2d_result
# ~~~ pos3d ~~~
pos3d_file = join(seq_dir, 'positions3d.txt')
assert isfile(pos3d_file)
pos3d = np.loadtxt(pos3d_file)
pos3d_result = np.zeros((3, N, T))
assert T == int(len(pos3d) / 3 / N)
counter = 0
for t in range(T):
for n in range(N):
for i in range(3):
pos3d_result[i, n, t] = pos3d[counter]
counter += 1
pos3d = pos3d_result
# ~~~ Cameras ~~~
cam_file = join(seq_dir, 'cameras.txt')
assert isfile(cam_file)
cams = np.loadtxt(cam_file)
cameras = np.zeros((2, 4, C, T))
assert T == int(len(cams) / 2 / 4 / C)
counter = 0
for t in range(T):
for c in range(C):
for j in range(4):
for i in range(2):
cameras[i, j, c, t] = cams[counter]
counter += 1
Im = []
h = -1; w = -1
for cam in ['Camera 1', 'Camera 2', 'Camera 3']:
im_dir = join(seq_dir, cam)
assert isdir(im_dir)
im_name = join(im_dir, "%05d.png" % (frame+1))
assert isfile(im_name)
im = cv2.cvtColor(cv2.imread(im_name), cv2.COLOR_BGR2RGB)
Im.append(im)
if w == -1 or h == -1:
assert h == -1 and w == -1
h, w, _ = im.shape
else:
h_, w_, _ = im.shape
assert h_ == h and w_ == w
Im = np.array(Im)
Calib = []
for cid in [0, 1, 2]:
cam = np.zeros((3, 4))
cam[0:2, :] = cameras[:, :, cid, frame]
cam[2,3] = 1
Calib.append(AffineCamera(cam, w, h))
# h x w x cam
Pts2d = []
for cid in [0, 1, 2]:
d2d = pos2d[:,:,cid, frame]
Pts2d.append(d2d)
d3d = pos3d[:, :, frame]
return Im, np.transpose(d3d), Calib
def __init__(self, root, verbose=True):
"""
:param root:
:param verbose:
"""
if verbose:
print('\n**Shelf dataset**')
data_root = join(root, 'tum_shelf')
if not isdir(data_root):
makedirs(data_root)
self.verbose = verbose
self.data_root = data_root
# download data
url = 'http://campar.cs.tum.edu/files/belagian/multihuman/Shelf.tar.bz2'
data_folder = join(data_root, 'Shelf')
if not isdir(data_folder):
zip_filename = join(data_root, 'Shelf.tar.bz2')
if not isfile(zip_filename):
if verbose:
print('\tdownload ' + url)
download.download(url, zip_filename)
if verbose:
print('\nunzip ' + zip_filename)
unzip.unzip(zip_filename, data_root, verbose)
if verbose:
print('\n')
# load Calibration data
seq_root = join(data_root, 'Shelf')
self.seq_root = seq_root
calibration_dir = join(seq_root, 'Calibration')
assert isdir(calibration_dir)
self.Calib = []
for cam in ['P0.txt', 'P1.txt', 'P2.txt', 'P3.txt', 'P4.txt']:
fname = join(calibration_dir, cam)
assert isfile(fname)
P = np.loadtxt(fname, delimiter=',')
self.Calib.append(P)
# GT binary file
actorsGTmat = join(seq_root, 'actorsGT.mat')
assert isfile(actorsGTmat)
M = loadmat(actorsGTmat)
Actor3d = M['actor3D'][0]
persons = []
for pid in range(4):
pts = []
Person = Actor3d[pid]
n = len(Person)
for frame in range(n):
pose = Person[frame][0]
if len(pose) == 1:
pts.append(None)
elif len(pose) == 14:
pts.append(pose)
else:
raise ValueError("Weird pose length:" + str(pose))
persons.append(pts)
self.Y = persons
def __init__(self, root, verbose=True):
"""
:param root:
:param verbose:
"""
EXCLUDE_VID = {'1516'} # this videos are 'broken'
if verbose:
print('\n**PennAction [cropped]**')
data_root = join(root, 'pennaction_cropped')
if not isdir(data_root):
makedirs(data_root)
url = 'http://188.138.127.15:81/Datasets/penn-crop.zip'
data_folder = join(data_root, 'penn-crop')
if not isdir(data_folder):
zip_filename = join(data_root, 'penn-crop.zip')
if not isfile(zip_filename):
if verbose:
print('\tdownload ', url)
download.download(url, zip_filename)
if verbose:
print('\tunzip ', zip_filename)
unzip.unzip(zip_filename, data_root, verbose=verbose)
self.data_folder = data_folder
if verbose:
print('')
self.frames_folder = join(data_folder, 'frames')
labels_folder = join(data_folder, 'labels')
self.labels_folder = labels_folder
assert isdir(labels_folder)
ids = [name[0:4] for name in sorted(listdir(labels_folder))]
self.ids = ids
# split train/val
validation_indices_file = join(data_folder, 'valid_ind.txt')
assert isfile(validation_indices_file)
validation_indices = np.loadtxt(validation_indices_file)
validation_indices = ['%04d' % idx for idx in validation_indices]
lookup = set(validation_indices)
self.train_ids = []
self.val_ids = []
for vid in ids:
if vid not in lookup and vid not in EXCLUDE_VID:
self.train_ids.append(vid)
elif vid not in EXCLUDE_VID:
self.val_ids.append(vid)
# find the meta-data for each video id
self.meta = dict()
for vid in ids:
vid_labels_file = join(labels_folder, vid + '.mat')
L = loadmat(vid_labels_file)
n_frames = L['nframes']
dimensions = L['dimensions']
X = np.expand_dims(L['x'], axis=2)
Y = np.expand_dims(L['y'], axis=2)
V = np.expand_dims(L['visibility'], axis=2)
gt = np.concatenate([X, Y, V], axis=2)
self.meta[vid] = {
'n_frames': n_frames[0][0],
'dimensions': np.squeeze(dimensions),
'gt': gt
}
create a new instance of the ReId network
:param root:
"""
# webpage = urlopen(req).read()
if url is None:
url = 'https://github.com/fchollet/deep-learning-models/releases/download/v0.4/xception_weights_tf_dim_ordering_tf_kernels_notop.h5'
if name is None:
name = 'reid.h5'
if not isdir(root):
makedirs(root)
filepath = join(root, name)
if not isfile(filepath):
print('could not find model.. downloading it')
dl.download(url, filepath)
if keras.__version__.startswith('2.2'):
warnings.warn(
"This model only works properly with keras 2.1.3. Weights for other versions might not work properly")
# ------- build model -------
seq = Sequential()
xception = Xception(weights='imagenet', input_shape=(221, 221, 3),
include_top=False, pooling='avg')
seq.add(xception)
# freeze first layers in pre-trained model
for layer in xception.layers[0:-20]:
layer.trainable = False
