class TestFeatureTrackSet(unittest.TestCase):
@classmethod
def setUp(self):
self.track_state = TrackState(15)
self.track = Track(23)
self.track.append(TrackState(1))
self.track.append(self.track_state)
self._track_arr = [Track(15), Track(1),
Track(150), Track(9),
self.track]
def test_construct(self):
ftset()
ftset(self._track_arr)
def test_methods(self):
test_feat_set = ftset(self._track_arr)
self.assertEqual(test_feat_set.all_frame_ids(), {1, 15})
nt.assert_equal(test_feat_set.get_track(1), self._track_arr[1] )
self.assertEqual(0, test_feat_set.first_frame())
self.assertEqual(15, test_feat_set.last_frame())
self.assertEqual(5, len(test_feat_set.tracks()))
self.assertEqual(len(test_feat_set), 5)
cloned_test_feat_set = test_feat_set.clone()
self.assertIsInstance(cloned_test_feat_set, ftset)
self.assertEqual(cloned_test_feat_set.all_frame_ids(), test_feat_set.all_frame_ids())
self.assertIsInstance(test_feat_set.last_frame_features(), sfs)
self.assertIsInstance(test_feat_set.last_frame_descriptors(), DescriptorSet)
self.assertIsInstance(test_feat_set.frame_features(), sfs)
self.assertIsInstance(test_feat_set.frame_descriptors(), DescriptorSet)
track_state_list = test_feat_set.frame_feature_track_states(15)
self.assertListEqual(track_state_list, [])
self.assertEqual(test_feat_set.keyframes(), set())
def _create_object_track_set(self):
bbox = BoundingBox(10, 10, 20, 20)
dot = DetectedObjectType("test", 0.4)
do = DetectedObject(bbox, 0.4, dot)
track = Track()
for i in range(10):
track.append(ObjectTrackState(i, i, do))
return ObjectTrackSet([track])
def test_iteration(self):
t = Track()
t.append(TrackState(0))
t.append(TrackState(1))
t.append(TrackState(5))
t.append(TrackState(9))
nose.tools.assert_equal([ts.frame_id for ts in t], [0, 1, 5, 9])
def test_all_frame_ids_single_track(self):
# From a single track
n = 10
t = Track(1)
for i in range(n):
t.append(TrackState(i))
ts = TrackSet([t])
nt.assert_equal(ts.all_frame_ids(), set(range(10)))
def test_all_frame_ids_multitrack(self):
# Across multiple tracks
n = 10
t1 = Track(1)
for i in range(0, n):
t1.append(TrackState(i))
t2 = Track(2)
for i in range(n, n + 5):
t2.append(TrackState(i))
ts = TrackSet([t1, t2])
nt.assert_equal(ts.all_frame_ids(), set(range(n + 5)))
def _create_track(self):
"""
Helper function to create a track
:return: Track with 10 object track state. Every track state has same
detected object however the fram number and time varies from
[0, 10)
"""
bbox = BoundingBox(10, 10, 20, 20)
cm = ClassMap("test", 0.4)
do = DetectedObject(bbox, 0.4, cm)
track = Track()
for i in range(10):
track.append(ObjectTrackState(i, i, do))
return track
def setUp(self):
bbox = BoundingBox(10, 10, 20, 20)
dot = DetectedObjectType("test", 0.4)
do = DetectedObject(bbox, 0.4, dot)
track = Track()
for i in range(10):
track.append(ObjectTrackState(i, i, do))
self.track_ = track
self.time_1 = Timestamp()
self.time_1.set_time_seconds(1234)
self.time_2 = Timestamp()
self.time_2.set_time_seconds(4321)
self.obj_ts = ObjectTrackSet([self.track_])
self.act_type = ActivityType("self_act", 0.87)
self.act = Activity(1, "self_act", 0.87, self.act_type, self.time_1,
self.time_2, self.obj_ts)
def test_first_frame(self):
# no tracks
ts = TrackSet()
nt.assert_equal(ts.first_frame(), 0)
# one track
t = Track(1)
t.append(TrackState(1))
t.append(TrackState(2))
ts = TrackSet([t])
nt.assert_equal(ts.first_frame(), 1)
# two tracks
t2 = Track(2)
t2.append(TrackState(3))
ts = TrackSet([t, t2])
nt.assert_equal(ts.first_frame(), 1)
def test_ts_append(self):
t = Track()
nose.tools.assert_equal(t.size, 0)
nose.tools.assert_equal(len(t), 0)
ts = TrackState(10)
nose.tools.assert_true(t.append(ts))
nose.tools.assert_equal(t.size, 1)
nose.tools.assert_equal(len(t), 1)
ts = TrackState(11)
nose.tools.assert_true(t.append(ts))
nose.tools.assert_equal(t.size, 2)
nose.tools.assert_equal(len(t), 2)
# Other properties that should not be different than default
nose.tools.assert_equal(t.first_frame, 10)
nose.tools.assert_equal(t.last_frame, 11)
nose.tools.assert_false(t.is_empty)
def test_track_getitem(self):
# this is the same test as test_track_find, but using the get-item
# accessor syntax
t = Track()
t.append(TrackState(0))
t.append(TrackState(1))
t.append(TrackState(5))
t.append(TrackState(9))
ts = t[0]
nose.tools.assert_is_not_none(ts)
nose.tools.assert_equal(ts.frame_id, 0)
ts = t[1]
nose.tools.assert_is_not_none(ts)
nose.tools.assert_equal(ts.frame_id, 1)
ts = t[5]
nose.tools.assert_is_not_none(ts)
nose.tools.assert_equal(ts.frame_id, 5)
ts = t[9]
nose.tools.assert_is_not_none(ts)
nose.tools.assert_equal(ts.frame_id, 9)
nose.tools.assert_raises(IndexError, t.find_state, 10)
t.append(TrackState(10))
nose.tools.assert_is_not_none(t[10])
nose.tools.assert_equal(t[10].frame_id, 10)
def test_track_find(self):
t = Track()
t.append(TrackState(0))
t.append(TrackState(1))
t.append(TrackState(5))
t.append(TrackState(9))
ts = t.find_state(0)
nose.tools.assert_is_not_none(ts)
nose.tools.assert_equal(ts.frame_id, 0)
ts = t.find_state(1)
nose.tools.assert_is_not_none(ts)
nose.tools.assert_equal(ts.frame_id, 1)
ts = t.find_state(5)
nose.tools.assert_is_not_none(ts)
nose.tools.assert_equal(ts.frame_id, 5)
ts = t.find_state(9)
nose.tools.assert_is_not_none(ts)
nose.tools.assert_equal(ts.frame_id, 9)
nose.tools.assert_raises(IndexError, t.find_state, 10)
t.append(TrackState(10))
nose.tools.assert_is_not_none(t.find_state(10))
nose.tools.assert_equal(t.find_state(10).frame_id, 10)
def to_ObjectTrackSet(tracks):
"""Create an ObjectTrackSet from a dict whose keys are track IDs
and values are lists of pairs of Kwiver timestamps and Kwiver DetectedObjects"""
# Modeled after similar code in srnn_tracker.py
result = []
for tid, states in tracks.items():
t = Track(id=tid)
for ts, do in states:
ots = ObjectTrackState(ts.get_frame(), ts.get_time_usec(), do)
if not t.append(ots):
raise ValueError("Unsorted input to to_ObjectTrackSet")
result.append(t)
return ObjectTrackSet(result)
def test_id(self):
a = self.act
self.assertEqual(a.id, 1)
a.id = 10
self.assertEqual(a.id, 10)
self.assertEqual(a.label, "self_act")
a.label = "second_act"
self.assertEqual(a.label, "second_act")
self.assertEqual(a.activity_type.score("self_act"), 0.87)
a.activity_type = ActivityType()
self.assertEqual(a.confidence, 0.87)
a.confidence = 1
self.assertEqual(a.confidence, 1)
self.assertEqual(a.start_time.get_time_seconds(), 1234)
tmp_time = Timestamp().set_time_seconds(1237)
a.start_time = tmp_time
self.assertEqual(a.start_time.get_time_seconds(), 1237)
self.assertEqual(a.end_time.get_time_seconds(), 4321)
tmp_time = Timestamp()
tmp_time.set_time_seconds(4322)
a.end_time = tmp_time
self.assertEqual(a.end_time.get_time_seconds(), 4322)
self.assertEqual(a.participants.all_frame_ids(), set(range(10)))
bbox = BoundingBox(10, 10, 20, 20)
dot = DetectedObjectType("test", 0.4)
do = DetectedObject(bbox, 0.4, dot)
track = Track()
for i in range(5):
track.append(ObjectTrackState(i, i, do))
new_t = track
new_ots = ObjectTrackSet([new_t])
a.participants = new_ots
self.assertEqual(a.participants.all_frame_ids(), set(range(5)))
self.assertEqual(a.duration[0].get_time_seconds(),
a.start_time.get_time_seconds())
self.assertEqual(a.duration[1].get_time_seconds(),
a.end_time.get_time_seconds())
def subset_tracks(trackset, keep_fraction=0.75):
"""
randomly drop a fraction of the track states per track in the given set,
creating and returning new tracks in a new track-set.
:type trackset: TrackSet
:type keep_fraction: float
"""
log = logging.getLogger(__name__)
new_tracks = []
for t in trackset.tracks():
nt = Track(t.id)
msg = 'track %d:' % t.id,
for ts in t:
if numpy.random.rand() < keep_fraction:
nt.append(ts)
msg += '.',
else:
msg += 'X',
log.info(' '.join(msg))
new_tracks.append(nt)
return TrackSet(new_tracks)
def test_ts_append_outoforder(self):
t = Track()
nose.tools.assert_true(t.append(TrackState(10)))
nose.tools.assert_false(t.append(TrackState(10)))
nose.tools.assert_false(t.append(TrackState(9)))
nose.tools.assert_false(t.append(TrackState(0)))
nose.tools.assert_false(t.append(TrackState(-1)))
nose.tools.assert_true(t.append(TrackState(11)))
nose.tools.assert_false(t.append(TrackState(11)))
# After all that there should only be two states in there for frames 10
# and 11.
nose.tools.assert_equal(t.size, 2)
nose.tools.assert_equal(len(t), 2)
nose.tools.assert_equal(t.all_frame_ids(), {10, 11})
def create_object_track_set():
object_track_state = create_object_track_state()
track = Track()
track.append(create_track_state())
return ObjectTrackSet([track])
def create_track():
track = Track()
track.append(create_track_state())
return track