def sequence(n_img):
# get following variables from the parameters:
# n_camera, seq_first, seq_last, base_name
sequenceParams = par.SequenceParams(n_img, path = par.temp_path)
sequenceParams.read()
(base_name, seq_first, seq_last) = (sequenceParams.base_name, sequenceParams.first, sequenceParams.last)
print ("Starting sequence action")
ptv.py_sequence_init(0)
stepshake=ptv.py_get_from_sequence_init()
if not stepshake:
stepshake=1
print stepshake
temp_img=np.array([],dtype=np.ubyte)
for i in range(seq_first,seq_last+1,stepshake):
if i<10:
seq_ch="%01d" % i
elif i<100:
seq_ch="%02d" % i
else:
seq_ch="%03d" % i
for j in range (n_img):
img_name=base_name[j]+seq_ch
print ("Setting image: ",img_name)
try:
temp_img=imread(img_name).astype(np.ubyte)
except:
print "Error reading file"
ptv.py_set_img(temp_img,j)
ptv.py_sequence_loop(0,i)
def sequence(n_img):
# get following variables from the parameters:
# n_camera, seq_first, seq_last, base_name
sequenceParams = par.SequenceParams(n_img, path = par.temp_path)
sequenceParams.read()
(base_name, seq_first, seq_last) = (sequenceParams.base_name, sequenceParams.first, sequenceParams.last)
print ("Starting sequence action")
ptv.py_sequence_init(0)
stepshake=ptv.py_get_from_sequence_init()
if not stepshake:
stepshake=1
print stepshake
temp_img=np.array([],dtype=np.ubyte)
for i in range(seq_first,seq_last+1,stepshake):
if i<10:
seq_ch="%01d" % i
elif i<100:
seq_ch="%02d" % i
else:
seq_ch="%03d" % i
for j in range (n_img):
img_name=base_name[j]+seq_ch
print ("Setting image: ",img_name)
try:
temp_img=imread(img_name).astype(np.ubyte)
except:
print "Error reading file"
ptv.py_set_img(temp_img,j)
ptv.py_sequence_loop(0,i)
def sequence_action(self, info):
"""sequence action - implements binding to C sequence function. Original function was split into 2 parts:
1) initialization - binded by ptv.py_sequence_init(..) function
2) main loop processing - binded by ptv.py_sequence_loop(..) function
"""
extern_sequence = info.object.plugins.sequence_alg
if extern_sequence != 'default':
try:
current_path = os.path.abspath(
os.getcwd()) # save working path
os.chdir(software_path
) #change to software path, to load tracking module
seq = __import__(
extern_sequence) #import choosen tracker from software dir
except:
print "Error loading " + extern_sequence + ". Falling back to default sequence algorithm"
extern_sequence = 'default'
os.chdir(current_path) # change back to working path
if extern_sequence == 'default':
n_camera = len(info.object.camera_list)
print("Starting sequence action (default algorithm)")
seq_first = info.object.exp1.active_params.m_params.Seq_First
seq_last = info.object.exp1.active_params.m_params.Seq_Last
print seq_first, seq_last
base_name = []
for i in range(n_camera):
exec(
"base_name.append(info.object.exp1.active_params.m_params.Basename_%d_Seq)"
% (i + 1))
print base_name[i]
ptv.py_sequence_init(0) #init C sequence function
stepshake = ptv.py_get_from_sequence_init(
) #get parameters and pass to main loop
if not stepshake:
stepshake = 1
print stepshake
temp_img = np.array([], dtype=np.ubyte)
# main loop - format image name, read it and call v.py_sequence_loop(..) for current step
for i in range(seq_first, seq_last + 1, stepshake):
seq_ch = "%04d" % i
for j in range(n_camera):
img_name = base_name[j] + seq_ch
print("Setting image: ", img_name)
try:
temp_img = imread(img_name).astype(np.ubyte)
except:
print "Error reading file"
ptv.py_set_img(temp_img, j)
ptv.py_sequence_loop(0, i)
else:
print "Sequence by using " + extern_sequence
sequence = seq.Sequence(ptv=ptv,
exp1=info.object.exp1,
camera_list=info.object.camera_list)
sequence.do_sequence()
def sequence_tracking(n_img, track_backward=True):
# get following variables from the parameters:
# n_camera, seq_first, seq_last, base_name
import ptv1 as ptv
sequenceParams = par.SequenceParams(n_img, path=par.temp_path)
sequenceParams.read()
(base_name, seq_first,
seq_last) = (sequenceParams.base_name, sequenceParams.first,
sequenceParams.last)
print("Starting sequence action")
ptv.py_sequence_init(0)
stepshake = ptv.py_get_from_sequence_init()
if not stepshake:
stepshake = 1
print stepshake
temp_img = np.array([], dtype=np.ubyte)
for i in range(seq_first, seq_last + 1, stepshake):
if i < 10:
seq_ch = "%01d" % i
elif i < 100:
seq_ch = "%02d" % i
else:
seq_ch = "%03d" % i
for j in range(n_img):
img_name = base_name[j] + seq_ch
print("Setting image: ", img_name)
try:
temp_img = imread(img_name).astype(np.ubyte)
except:
print "Error reading file"
ptv.py_set_img(temp_img, j)
ptv.py_sequence_loop(0, i)
# forward tracking
run_info = ptv.py_trackcorr_init()
print run_info.get_sequence_range()
for step in range(*run_info.get_sequence_range()):
print(step)
try:
ptv.py_trackcorr_loop(run_info, step, display=0)
except:
print('step', step)
raise ValueError('cannot track anymore')
ptv.py_trackcorr_finish(run_info, step + 1)
print "tracking without display finished"
# RON - back tracking is optional
if track_backward:
ptv.py_trackback_c()
print "tracking backwards is finished"
def sequence_action(self,info):
"""sequence action - implements binding to C sequence function. Original function was split into 2 parts:
1) initialization - binded by ptv.py_sequence_init(..) function
2) main loop processing - binded by ptv.py_sequence_loop(..) function
"""
extern_sequence=info.object.plugins.sequence_alg
if extern_sequence!='default':
try:
current_path=os.path.abspath(os.getcwd()) # save working path
os.chdir(software_path) #change to software path, to load tracking module
seq=__import__(extern_sequence) #import choosen tracker from software dir
except:
print "Error loading "+extern_sequence+". Falling back to default sequence algorithm"
extern_sequence='default'
os.chdir(current_path) # change back to working path
if extern_sequence=='default':
n_camera=len(info.object.camera_list)
print ("Starting sequence action (default algorithm)")
seq_first=info.object.exp1.active_params.m_params.Seq_First
seq_last=info.object.exp1.active_params.m_params.Seq_Last
print seq_first,seq_last
base_name=[]
for i in range (n_camera):
exec("base_name.append(info.object.exp1.active_params.m_params.Basename_%d_Seq)" %(i+1))
print base_name[i]
ptv.py_sequence_init(0) #init C sequence function
stepshake=ptv.py_get_from_sequence_init() #get parameters and pass to main loop
if not stepshake:
stepshake=1
print stepshake
temp_img=np.array([],dtype=np.ubyte)
# main loop - format image name, read it and call v.py_sequence_loop(..) for current step
for i in range(seq_first,seq_last+1,stepshake):
seq_ch="%04d" % i
for j in range (n_camera):
img_name = base_name[j] + seq_ch
print ("Setting image: ",img_name)
try:
temp_img=imread(img_name).astype(np.ubyte)
except:
print "Error reading file"
ptv.py_set_img(temp_img,j)
ptv.py_sequence_loop(0,i)
else:
print "Sequence by using "+ extern_sequence
sequence=seq.Sequence(ptv=ptv, exp1=info.object.exp1,camera_list=info.object.camera_list)
sequence.do_sequence()
def sequence_tracking(n_img):
# get following variables from the parameters:
# n_camera, seq_first, seq_last, base_name
import ptv1 as ptv
sequenceParams = par.SequenceParams(n_img, path=par.temp_path)
sequenceParams.read()
(base_name, seq_first, seq_last) = (
sequenceParams.base_name, sequenceParams.first, sequenceParams.last)
print ("Starting sequence action")
ptv.py_sequence_init(0)
stepshake = ptv.py_get_from_sequence_init()
if not stepshake:
stepshake = 1
print stepshake
temp_img = np.array([], dtype=np.ubyte)
for i in range(seq_first, seq_last + 1, stepshake):
if i < 10:
seq_ch = "%01d" % i
elif i < 100:
seq_ch = "%02d" % i
else:
seq_ch = "%03d" % i
for j in range(n_img):
img_name = base_name[j] + seq_ch
print ("Setting image: ", img_name)
try:
temp_img = imread(img_name).astype(np.ubyte)
except:
print "Error reading file"
ptv.py_set_img(temp_img, j)
ptv.py_sequence_loop(0, i)
# forward tracking
run_info = ptv.py_trackcorr_init()
print run_info.get_sequence_range()
for step in range(*run_info.get_sequence_range()):
print step
ptv.py_trackcorr_loop(run_info, step, display=0)
ptv.py_trackcorr_finish(run_info, step + 1)
print "tracking without display finished"
# RON - cancled back tracking due to bug
ptv.py_trackback_c()
print "tracking backwards is finished"
def test_sequencing(self):
"""Sequencing reproduces sample results"""
os.mkdir("res/")
py_init_proc_c()
py_start_proc_c()
py_sequence_init(0)
for frame in xrange(497, 598):
for cam in xrange(4):
img = imread(
"scene83_event1/cam%d_Scene83_%04d" % (cam + 1, frame))
py_set_img(img, cam)
py_sequence_loop(0, frame)
self.failUnless(compare_directories("res/", "after_sequencing/"))
self.failUnless(compare_directories(
"scene83_event1/", "after_sequencing_targets/",
mask=re.compile("_targets$")))