def run_sequence(self,
seq,
visualization=None,
debug=None,
visdom_info=None,
multiobj_mode=None):
"""Run tracker on sequence.
args:
seq: Sequence to run the tracker on.
visualization: Set visualization flag (None means default value specified in the parameters).
debug: Set debug level (None means default value specified in the parameters).
visdom_info: Visdom info.
multiobj_mode: Which mode to use for multiple objects.
"""
params = self.get_parameters()
visualization_ = visualization
debug_ = debug
if debug is None:
debug_ = getattr(params, 'debug', 0)
if visualization is None:
if debug is None:
visualization_ = getattr(params, 'visualization', False)
else:
visualization_ = True if debug else False
params.visualization = visualization_
params.debug = debug_
self._init_visdom(visdom_info, debug_)
if visualization_ and self.visdom is None:
self.init_visualization()
# Get init information
init_info = seq.init_info()
is_single_object = not seq.multiobj_mode
if multiobj_mode is None:
multiobj_mode = getattr(
params, 'multiobj_mode',
getattr(self.tracker_class, 'multiobj_mode', 'default'))
if multiobj_mode == 'default' or is_single_object:
tracker = self.create_tracker(params)
elif multiobj_mode == 'parallel':
tracker = MultiObjectWrapper(self.tracker_class, params,
self.visdom)
else:
raise ValueError(
'Unknown multi object mode {}'.format(multiobj_mode))
if not self.if_rt:
output = self._track_sequence(tracker, seq, init_info)
else:
output = self._track_sequence_rt(tracker, seq, init_info)
return output
def run_webcam(self, debug=None, visdom_info=None):
"""Run the tracker with the webcam.
args:
debug: Debug level.
"""
params = self.get_parameters()
debug_ = debug
if debug is None:
debug_ = getattr(params, 'debug', 0)
params.debug = debug_
params.tracker_name = self.name
params.param_name = self.parameter_name
self._init_visdom(visdom_info, debug_)
multiobj_mode = getattr(params, 'multiobj_mode', getattr(self.tracker_class, 'multiobj_mode', 'default'))
if multiobj_mode == 'default':
tracker = self.create_tracker(params)
elif multiobj_mode == 'parallel':
tracker = MultiObjectWrapper(self.tracker_class, params, self.visdom, fast_load=True)
else:
raise ValueError('Unknown multi object mode {}'.format(multiobj_mode))
class UIControl:
def __init__(self):
self.mode = 'init' # init, select, track
self.target_tl = (-1, -1)
self.target_br = (-1, -1)
self.new_init = False
def mouse_callback(self, event, x, y, flags, param):
if event == cv.EVENT_LBUTTONDOWN and self.mode == 'init':
self.target_tl = (x, y)
self.target_br = (x, y)
self.mode = 'select'
elif event == cv.EVENT_MOUSEMOVE and self.mode == 'select':
self.target_br = (x, y)
elif event == cv.EVENT_LBUTTONDOWN and self.mode == 'select':
self.target_br = (x, y)
self.mode = 'init'
self.new_init = True
def get_tl(self):
return self.target_tl if self.target_tl[0] < self.target_br[0] else self.target_br
def get_br(self):
return self.target_br if self.target_tl[0] < self.target_br[0] else self.target_tl
def get_bb(self):
tl = self.get_tl()
br = self.get_br()
bb = [min(tl[0], br[0]), min(tl[1], br[1]), abs(br[0] - tl[0]), abs(br[1] - tl[1])]
return bb
ui_control = UIControl()
cap = cv.VideoCapture(0)
display_name = 'Display: ' + self.name
cv.namedWindow(display_name, cv.WINDOW_NORMAL | cv.WINDOW_KEEPRATIO)
cv.resizeWindow(display_name, 960, 720)
cv.setMouseCallback(display_name, ui_control.mouse_callback)
next_object_id = 1
sequence_object_ids = []
prev_output = OrderedDict()
while True:
# Capture frame-by-frame
ret, frame = cap.read()
frame_disp = frame.copy()
info = OrderedDict()
info['previous_output'] = prev_output
if ui_control.new_init:
ui_control.new_init = False
init_state = ui_control.get_bb()
info['init_object_ids'] = [next_object_id, ]
info['init_bbox'] = OrderedDict({next_object_id: init_state})
sequence_object_ids.append(next_object_id)
next_object_id += 1
# Draw box
if ui_control.mode == 'select':
cv.rectangle(frame_disp, ui_control.get_tl(), ui_control.get_br(), (255, 0, 0), 2)
if len(sequence_object_ids) > 0:
info['sequence_object_ids'] = sequence_object_ids
out = tracker.track(frame, info)
prev_output = OrderedDict(out)
if 'segmentation' in out:
frame_disp = overlay_mask(frame_disp, out['segmentation'])
if 'target_bbox' in out:
for obj_id, state in out['target_bbox'].items():
state = [int(s) for s in state]
cv.rectangle(frame_disp, (state[0], state[1]), (state[2] + state[0], state[3] + state[1]),
_tracker_disp_colors[obj_id], 5)
# Put text
font_color = (0, 0, 0)
cv.putText(frame_disp, 'Select target', (20, 30), cv.FONT_HERSHEY_COMPLEX_SMALL, 1, font_color, 1)
cv.putText(frame_disp, 'Press r to reset', (20, 55), cv.FONT_HERSHEY_COMPLEX_SMALL, 1,
font_color, 1)
cv.putText(frame_disp, 'Press q to quit', (20, 85), cv.FONT_HERSHEY_COMPLEX_SMALL, 1,
font_color, 1)
# Display the resulting frame
cv.imshow(display_name, frame_disp)
key = cv.waitKey(1)
if key == ord('q'):
break
elif key == ord('r'):
next_object_id = 1
sequence_object_ids = []
prev_output = OrderedDict()
info = OrderedDict()
info['object_ids'] = []
info['init_object_ids'] = []
info['init_bbox'] = OrderedDict()
tracker.initialize(frame, info)
ui_control.mode = 'init'
# When everything done, release the capture
cap.release()
cv.destroyAllWindows()
def run_video(self, videofilepath, optional_box=None, debug=None, visdom_info=None, save_results=False):
"""Run the tracker with the vieofile.
args:
debug: Debug level.
"""
params = self.get_parameters()
debug_ = debug
if debug is None:
debug_ = getattr(params, 'debug', 0)
params.debug = debug_
params.tracker_name = self.name
params.param_name = self.parameter_name
self._init_visdom(visdom_info, debug_)
multiobj_mode = getattr(params, 'multiobj_mode', getattr(self.tracker_class, 'multiobj_mode', 'default'))
if multiobj_mode == 'default':
tracker = self.create_tracker(params)
if hasattr(tracker, 'initialize_features'):
tracker.initialize_features()
elif multiobj_mode == 'parallel':
tracker = MultiObjectWrapper(self.tracker_class, params, self.visdom, fast_load=True)
else:
raise ValueError('Unknown multi object mode {}'.format(multiobj_mode))
assert os.path.isfile(videofilepath), "Invalid param {}".format(videofilepath)
", videofilepath must be a valid videofile"
output_boxes = []
cap = cv.VideoCapture(videofilepath)
display_name = 'Display: ' + tracker.params.tracker_name
cv.namedWindow(display_name, cv.WINDOW_NORMAL | cv.WINDOW_KEEPRATIO)
cv.resizeWindow(display_name, 960, 720)
success, frame = cap.read()
cv.imshow(display_name, frame)
def _build_init_info(box):
return {'init_bbox': OrderedDict({1: box}), 'init_object_ids': [1, ], 'object_ids': [1, ],
'sequence_object_ids': [1, ]}
if success is not True:
print("Read frame from {} failed.".format(videofilepath))
exit(-1)
if optional_box is not None:
assert isinstance(optional_box, (list, tuple))
assert len(optional_box) == 4, "valid box's foramt is [x,y,w,h]"
tracker.initialize(frame, _build_init_info(optional_box))
output_boxes.append(optional_box)
else:
while True:
# cv.waitKey()
frame_disp = frame.copy()
cv.putText(frame_disp, 'Select target ROI and press ENTER', (20, 30), cv.FONT_HERSHEY_COMPLEX_SMALL,
1.5, (0, 0, 0), 1)
x, y, w, h = cv.selectROI(display_name, frame_disp, fromCenter=False)
init_state = [x, y, w, h]
tracker.initialize(frame, _build_init_info(init_state))
output_boxes.append(init_state)
break
while True:
ret, frame = cap.read()
if frame is None:
break
frame_disp = frame.copy()
# Draw box
out = tracker.track(frame)
state = [int(s) for s in out['target_bbox'][1]]
output_boxes.append(state)
cv.rectangle(frame_disp, (state[0], state[1]), (state[2] + state[0], state[3] + state[1]),
(0, 255, 0), 5)
font_color = (0, 0, 0)
cv.putText(frame_disp, 'Tracking!', (20, 30), cv.FONT_HERSHEY_COMPLEX_SMALL, 1,
font_color, 1)
cv.putText(frame_disp, 'Press r to reset', (20, 55), cv.FONT_HERSHEY_COMPLEX_SMALL, 1,
font_color, 1)
cv.putText(frame_disp, 'Press q to quit', (20, 80), cv.FONT_HERSHEY_COMPLEX_SMALL, 1,
font_color, 1)
# Display the resulting frame
cv.imshow(display_name, frame_disp)
key = cv.waitKey(1)
if key == ord('q'):
break
elif key == ord('r'):
ret, frame = cap.read()
frame_disp = frame.copy()
cv.putText(frame_disp, 'Select target ROI and press ENTER', (20, 30), cv.FONT_HERSHEY_COMPLEX_SMALL, 1.5,
(0, 0, 0), 1)
cv.imshow(display_name, frame_disp)
x, y, w, h = cv.selectROI(display_name, frame_disp, fromCenter=False)
init_state = [x, y, w, h]
tracker.initialize(frame, _build_init_info(init_state))
output_boxes.append(init_state)
# When everything done, release the capture
cap.release()
cv.destroyAllWindows()
if save_results:
if not os.path.exists(self.results_dir):
os.makedirs(self.results_dir)
video_name = Path(videofilepath).stem
base_results_path = os.path.join(self.results_dir, 'video_{}'.format(video_name))
tracked_bb = np.array(output_boxes).astype(int)
bbox_file = '{}.txt'.format(base_results_path)
np.savetxt(bbox_file, tracked_bb, delimiter='\t', fmt='%d')
def run_video_no_display(self, videofilepath, output_dir, optional_box=None, debug=None, visdom_info=None, save_results=False):
"""Run the tracker with the vieofile.
args:
debug: Debug level.
"""
params = self.get_parameters()
debug_ = debug
if debug is None:
debug_ = getattr(params, 'debug', 0)
params.debug = debug_
params.tracker_name = self.name
params.param_name = self.parameter_name
self._init_visdom(visdom_info, debug_)
multiobj_mode = getattr(params, 'multiobj_mode', getattr(self.tracker_class, 'multiobj_mode', 'default'))
if multiobj_mode == 'default':
tracker = self.create_tracker(params)
if hasattr(tracker, 'initialize_features'):
tracker.initialize_features()
elif multiobj_mode == 'parallel':
tracker = MultiObjectWrapper(self.tracker_class, params, self.visdom, fast_load=True)
else:
raise ValueError('Unknown multi object mode {}'.format(multiobj_mode))
# assert os.path.isfile(videofilepath), "Invalid param {}".format(videofilepath)
# ", videofilepath must be a valid videofile"
output_boxes = []
# cap = cv.VideoCapture(videofilepath)
# display_name = 'Display: ' + tracker.params.tracker_name
# cv.namedWindow(display_name, cv.WINDOW_NORMAL | cv.WINDOW_KEEPRATIO)
# cv.resizeWindow(display_name, 960, 720)
# success, frame = cap.read()
# frame_size = frame.shape
# video_writer = cv.VideoWriter(output_video, cv.VideoWriter_fourcc(*'DIVX'), 30, (frame_size[1], frame_size[0]))
# cv.imshow(display_name, frame)
video_writer = None
def _build_init_info(box):
return {'init_bbox': OrderedDict({1: box}), 'init_object_ids': [1, ], 'object_ids': [1, ],
'sequence_object_ids': [1, ]}
# if success is not True:
# print("Read frame from {} failed.".format(videofilepath))
# exit(-1)
# if optional_box is not None:
# assert isinstance(optional_box, (list, tuple))
# assert len(optional_box) == 4, "valid box's foramt is [x,y,w,h]"
# tracker.initialize(frame, _build_init_info(optional_box))
# output_boxes.append(optional_box)
frame_count = 0
if not os.path.isfile(os.path.abspath(output_dir)) and not os.path.exists(os.path.abspath(output_dir)):
os.mkdir(os.path.abspath(output_dir))
for frame in self.get_frames(videofilepath):
if frame_count == 0:
frame_size = frame.shape
video_writer = cv.VideoWriter(os.path.join(output_dir, "result.avi"), cv.VideoWriter_fourcc(*'DIVX'), 30, (frame_size[1], frame_size[0]))
if optional_box is not None:
assert isinstance(optional_box, (list, tuple))
assert len(optional_box) == 4, "valid box's foramt is [x,y,w,h]"
tracker.initialize(frame, _build_init_info(optional_box))
output_boxes.append(optional_box)
frame_count += 1
if frame is None:
return
frame_disp = frame.copy()
# Draw box
out = tracker.track(frame)
# print(out)
import time
state = [int(s) for s in out['target_bbox'][1]]
output_boxes.append(state)
cv.rectangle(frame_disp, (state[0], state[1]), (state[2] + state[0], state[3] + state[1]),
(0, 255, 0), 5)
font_color = (0, 0, 0)
cv.putText(frame_disp, 'Tracking!', (20, 30), cv.FONT_HERSHEY_COMPLEX_SMALL, 1,
font_color, 1)
# Save the resulting frame
cv.imwrite(os.path.join(output_dir, '{0:05d}'.format(frame_count) + ".jpg"), frame_disp)
video_writer.write(frame_disp)
# When everything done, release the capture
cap.release()
video_writer.release()
if save_results:
if not os.path.exists(self.results_dir):
os.makedirs(self.results_dir)
video_name = Path(videofilepath).stem
base_results_path = os.path.join(self.results_dir, 'video_{}'.format(video_name))
tracked_bb = np.array(output_boxes).astype(int)
bbox_file = '{}.txt'.format(base_results_path)
np.savetxt(bbox_file, tracked_bb, delimiter='\t', fmt='%d')
def run_webcam(self, debug=None, visdom_info=None):
"""Run the tracker with the webcam.
args:
debug: Debug level.
"""
def yolo_search(W, H, frame_yolo):
fl = 0
# if the frame dimensions are empty, grab them
if W is None or H is None:
(H, W) = frame_yolo.shape[:2]
# construct a blob from the input frame and then perform a forward
# pass of the YOLO object detector, giving us our bounding boxes
# and associated probabilities
blob = cv.dnn.blobFromImage(frame_yolo, 1 / 255.0, (416, 416), swapRB=True, crop=False)
net.setInput(blob)
layerOutputs = net.forward(ln)
# initialize our lists of detected bounding boxes, confidences,
# and class IDs, respectively
boxes = []
confidences = []
classIDs = []
# loop over each of the layer outputs
for output in layerOutputs:
# loop over each of the detections
for detection in output:
# extract the class ID and confidence (i.e., probability)
# of the current object detection
scores = detection[5:]
classID = np.argmax(scores)
confidence = scores[classID]
# filter weak prediction and unrelated classes
if classID not in outdoor_classes and confidence > 0.5:
# scale the bounding box coordinates back relative to
# the size of the image, keeping in mind that YOLO
# actually returns the center (x, y)-coordinates of
# the bounding box followed by the boxes' width and
# height
box = detection[0:4] * np.array([W, H, W, H])
(centerX, centerY, width, height) = box.astype("int")
# use the center (x, y)-coordinates to derive the top
# and and left corner of the bounding box
x = int(centerX - (width / 2))
y = int(centerY - (height / 2))
# update our list of bounding box coordinates,
# confidences, and class IDs
boxes.append([x, y, int(width), int(height)])
confidences.append(float(confidence))
classIDs.append(classID)
# apply non-maxima suppression to suppress weak, overlapping
# bounding boxes
idxs = cv.dnn.NMSBoxes(boxes, confidences, 0.5, 0.3)
# ensure at least one detection exists
if len(idxs) > 0:
# loop over the indexes we are keeping
for i in idxs.flatten():
# extract the bounding box coordinates
(x, y) = (boxes[i][0], boxes[i][1])
(w, h) = (boxes[i][2], boxes[i][3])
# draw a bounding box rectangle and label on the frame
color = [int(c) for c in COLORS[classIDs[i]]]
cv.rectangle(frame_yolo, (x, y), (x + w, y + h), color, 2)
text = "{}: {:.4f}".format(LABELS[classIDs[i]], confidences[i])
cv.putText(frame_yolo, text, (x, y - 5), cv.FONT_HERSHEY_SIMPLEX, 0.5, color, 2)
if classIDs[i] == 0:
detection_flag = 1
tl_coor = (x, y) # top left coordinates
br_coor = ((x + w), (y + h)) # bottom right coordinates
coordinates_text = "{} {}".format(tl_coor, br_coor)
cv.rectangle(frame_yolo, tl_coor, br_coor, (255, 255, 255), 2)
fl = 1
return tl_coor, br_coor, detection_flag, frame_yolo
if fl == 0:
return (0, 0), (0, 0), 0, frame_yolo
# load the COCO class labels our YOLO model was trained on
# and the classes that wont be used (coco.names contains the names)
# Init a detection flag
det_flag = 0
labelsPath = "/home/ebo/Parrot_CV_Project/local_yolo/yolo-coco/coco.names"
LABELS = open(labelsPath).read().strip().split("\n")
outdoor_classes = [2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12,
17, 18, 19, 20, 21, 22, 23,
29, 30, 31, 32, 33, 34, 35, 36, 37, 38]
# initialize a list of colors to represent each possible class label
np.random.seed(42)
COLORS = np.random.randint(0, 255, size=(len(LABELS), 3), dtype="uint8")
# derive the paths to the YOLO weights and model configuration
weightsPath = "/home/ebo/Parrot_CV_Project/local_yolo/yolo-coco/yolov3.weights"
configPath = "/home/ebo/Parrot_CV_Project/local_yolo/yolo-coco/yolov3.cfg"
# load our YOLO object detector trained on COCO dataset (80 classes)
print("[INFO] loading YOLO from disk...")
net = cv.dnn.readNetFromDarknet(configPath, weightsPath)
# determine only the output layers from yolo
ln = net.getLayerNames()
ln = [ln[i[0] - 1] for i in net.getUnconnectedOutLayers()]
(W, H) = (None, None)
temp_flag = 0
params = self.get_parameters()
debug_ = debug
if debug is None:
debug_ = getattr(params, 'debug', 0)
params.debug = debug_
params.tracker_name = self.name
params.param_name = self.parameter_name
self._init_visdom(visdom_info, debug_)
multiobj_mode = getattr(params, 'multiobj_mode', getattr(self.tracker_class, 'multiobj_mode', 'default'))
if multiobj_mode == 'default':
tracker = self.create_tracker(params)
elif multiobj_mode == 'parallel':
tracker = MultiObjectWrapper(self.tracker_class, params, self.visdom, fast_load=True)
else:
raise ValueError('Unknown multi object mode {}'.format(multiobj_mode))
class UIControl:
def __init__(self):
self.mode = 'init' # init, select, track
self.new_init = False
def get_bb(self):
# yolo bb
if det_flag == 1:
tl = tl_yolo
br = br_yolo
bb = [min(tl[0], br[0]), min(tl[1], br[1]), abs(br[0] - tl[0]), abs(br[1] - tl[1])]
return bb
ui_control = UIControl()
cap = cv.VideoCapture(0)
display_name = 'Display: ' + self.name
cv.namedWindow(display_name, cv.WINDOW_NORMAL | cv.WINDOW_KEEPRATIO)
cv.resizeWindow(display_name, 960, 720)
next_object_id = 1
sequence_object_ids = []
prev_output = OrderedDict()
while True:
# Capture frame-by-frame
ret, frame = cap.read()
frame_disp = frame.copy()
tl_yolo, br_yolo, det_flag, frame_yolo = yolo_search(W, H, frame.copy())
info = OrderedDict()
info['previous_output'] = prev_output
# If there's a human detection, show it
if det_flag == 1 and temp_flag == 0:
init_state = ui_control.get_bb()
info['init_object_ids'] = [next_object_id, ]
info['init_bbox'] = OrderedDict({next_object_id: init_state})
sequence_object_ids.append(next_object_id)
next_object_id += 1
temp_flag = 1
if len(sequence_object_ids) > 0:
info['sequence_object_ids'] = sequence_object_ids
out = tracker.track(frame, info)
prev_output = OrderedDict(out)
if 'segmentation' in out:
frame_disp = overlay_mask(frame_disp, out['segmentation'])
if 'target_bbox' in out:
for obj_id, state in out['target_bbox'].items():
state = [int(s) for s in state]
cv.rectangle(frame_disp, (state[0], state[1]), (state[2] + state[0], state[3] + state[1]),
_tracker_disp_colors[obj_id], 5)
# Put text
font_color = (0, 0, 0)
cv.putText(frame_disp, 'Press r to reset', (20, 25), cv.FONT_HERSHEY_COMPLEX_SMALL, 1,
font_color, 1)
cv.putText(frame_disp, 'Press q to quit', (20, 55), cv.FONT_HERSHEY_COMPLEX_SMALL, 1,
font_color, 1)
# Display the resulting frame
cv.imshow(display_name, frame_disp)
cv.imshow("YOLO", frame_yolo)
key = cv.waitKey(1)
if key == ord('q'):
break
elif key == ord('r'):
next_object_id = 1
sequence_object_ids = []
prev_output = OrderedDict()
info = OrderedDict()
info['object_ids'] = []
info['init_object_ids'] = []
info['init_bbox'] = OrderedDict()
tracker.initialize(frame, info)
ui_control.mode = 'init'
# When everything done, release the capture
cap.release()
cv.destroyAllWindows()
def run_video(self, videofilepath, optional_box=None, debug=None, visdom_info=None, save_results=False):
"""Run the tracker with the vieofile.
args:
debug: Debug level.
"""
def yolo_search(W, H, frame_yolo):
# if the frame dimensions are empty, grab them
if W is None or H is None:
(H, W) = frame_yolo.shape[:2]
# construct a blob from the input frame and then perform a forward
# pass of the YOLO object detector, giving us our bounding boxes
# and associated probabilities
blob = cv.dnn.blobFromImage(frame_yolo, 1 / 255.0, (416, 416), swapRB=True, crop=False)
net.setInput(blob)
layerOutputs = net.forward(ln)
# initialize our lists of detected bounding boxes, confidences,
# and class IDs, respectively
boxes = []
confidences = []
classIDs = []
# loop over each of the layer outputs
for output in layerOutputs:
# loop over each of the detections
for detection in output:
# extract the class ID and confidence (i.e., probability)
# of the current object detection
scores = detection[5:]
classID = np.argmax(scores)
confidence = scores[classID]
# filter weak prediction and unrelated classes
if classID not in outdoor_classes and confidence > 0.5:
# scale the bounding box coordinates back relative to
# the size of the image, keeping in mind that YOLO
# actually returns the center (x, y)-coordinates of
# the bounding box followed by the boxes' width and
# height
box = detection[0:4] * np.array([W, H, W, H])
(centerX, centerY, width, height) = box.astype("int")
# use the center (x, y)-coordinates to derive the top
# and and left corner of the bounding box
x = int(centerX - (width / 2))
y = int(centerY - (height / 2))
# update our list of bounding box coordinates,
# confidences, and class IDs
boxes.append([x, y, int(width), int(height)])
confidences.append(float(confidence))
classIDs.append(classID)
# apply non-maxima suppression to suppress weak, overlapping
# bounding boxes
idxs = cv.dnn.NMSBoxes(boxes, confidences, 0.5, 0.3)
# ensure at least one detection exists
if len(idxs) > 0:
# loop over the indexes we are keeping
for i in idxs.flatten():
# extract the bounding box coordinates
(x, y) = (boxes[i][0], boxes[i][1])
(w, h) = (boxes[i][2], boxes[i][3])
# draw a bounding box rectangle and label on the frame
color = [int(c) for c in COLORS[classIDs[i]]]
cv.rectangle(frame_yolo, (x, y), (x + w, y + h), color, 2)
text = "{}: {:.4f}".format(LABELS[classIDs[i]], confidences[i])
cv.putText(frame_yolo, text, (x, y - 5), cv.FONT_HERSHEY_SIMPLEX, 0.5, color, 2)
if classIDs[i] == 45: # 0 - person, 65 - remote 45 - bowl
detection_flag = 1
tl_coor = (x, y) # top left coordinates
br_coor = ((x + w), (y + h)) # bottom right coordinates
cv.rectangle(frame_yolo, tl_coor, br_coor, (255, 255, 255), 2)
return tl_coor, br_coor, detection_flag, frame_yolo
return (0, 0), (0, 0), 0, frame_yolo
# load the COCO class labels our YOLO model was trained on
# and the classes that wont be used (coco.names contains the names)
# Init a detection flag
det_flag = 0
stop_yolo = 0
labelsPath = "/home/ebo/Parrot_CV_Project/local_yolo/yolo-coco/coco.names"
LABELS = open(labelsPath).read().strip().split("\n")
outdoor_classes = [2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12,
17, 18, 19, 20, 21, 22, 23,
29, 30, 31, 32, 33, 34, 35, 36, 37, 38]
# initialize a list of colors to represent each possible class label
np.random.seed(42)
COLORS = np.random.randint(0, 255, size=(len(LABELS), 3), dtype="uint8")
# derive the paths to the YOLO weights and model configuration
weightsPath = "/home/ebo/Parrot_CV_Project/local_yolo/yolo-coco/yolov3.weights"
configPath = "/home/ebo/Parrot_CV_Project/local_yolo/yolo-coco/yolov3.cfg"
# load our YOLO object detector trained on COCO dataset (80 classes)
print("[INFO] loading YOLO from disk...")
net = cv.dnn.readNetFromDarknet(configPath, weightsPath)
# determine only the output layers from yolo
ln = net.getLayerNames()
ln = [ln[i[0] - 1] for i in net.getUnconnectedOutLayers()]
(W, H) = (None, None)
params = self.get_parameters()
debug_ = debug
if debug is None:
debug_ = getattr(params, 'debug', 0)
params.debug = debug_
params.tracker_name = self.name
params.param_name = self.parameter_name
self._init_visdom(visdom_info, debug_)
multiobj_mode = getattr(params, 'multiobj_mode', getattr(self.tracker_class, 'multiobj_mode', 'default'))
if multiobj_mode == 'default':
tracker = self.create_tracker(params)
if hasattr(tracker, 'initialize_features'):
tracker.initialize_features()
elif multiobj_mode == 'parallel':
tracker = MultiObjectWrapper(self.tracker_class, params, self.visdom, fast_load=True)
else:
raise ValueError('Unknown multi object mode {}'.format(multiobj_mode))
assert os.path.isfile(videofilepath), "Invalid param {}".format(videofilepath)
", videofilepath must be a valid videofile"
output_boxes = []
cap = cv.VideoCapture(videofilepath)
display_name = 'Display: ' + tracker.params.tracker_name
cv.namedWindow(display_name, cv.WINDOW_NORMAL | cv.WINDOW_KEEPRATIO)
cv.resizeWindow(display_name, 960, 720)
success, frame = cap.read()
cv.imshow(display_name, frame)
def _build_init_info(box):
return {'init_bbox': OrderedDict({1: box}), 'init_object_ids': [1, ], 'object_ids': [1, ],
'sequence_object_ids': [1, ]}
if success is not True:
print("Read frame from {} failed.".format(videofilepath))
exit(-1)
while True:
ret, frame = cap.read()
if frame is None:
break
frame_disp = frame.copy()
if W is None or H is None:
(H, W) = frame_disp.shape[:2]
if stop_yolo == 0:
tl_yolo, br_yolo, det_flag, frame_disp = yolo_search(W, H, frame.copy())
cv.putText(frame_disp, "Searching: BOWL", (50, 50), cv.FONT_HERSHEY_SIMPLEX, 1, (255, 0, 0), 2)
if det_flag == 1:
if stop_yolo == 0:
stop_yolo = 1
x = tl_yolo[0]
y = tl_yolo[1]
w = abs(br_yolo[0] - tl_yolo[0])
h = abs(br_yolo[1] - tl_yolo[1])
init_state = [x, y, w, h]
tracker.initialize(frame, _build_init_info(init_state))
output_boxes.append(init_state)
# Draw box
out = tracker.track(frame)
state = [int(s) for s in out['target_bbox'][1]]
output_boxes.append(state)
tl = (state[0], state[1])
br = (state[2] + state[0], state[3] + state[1])
w = state[2]
h = state[3]
cv.rectangle(frame_disp, tl, br, (0, 255, 0), 5)
center = (int(tl[0] + w/2), int(tl[1] + h/2))
cv.circle(frame_disp, center, 3, (0, 0, 255), -1)
cv.putText(frame_disp, "FOUND BOWL", (50, 50), cv.FONT_HERSHEY_SIMPLEX, 0.5, (0, 0, 255), 2)
if center[0] < W*0.40:
cv.putText(frame_disp, "MOVE LEFT", (50, 150), cv.FONT_HERSHEY_SIMPLEX, 0.5, (0, 0, 255), 2)
elif center[0] > W*0.60:
cv.putText(frame_disp, "MOVE RIGHT", (450, 150), cv.FONT_HERSHEY_SIMPLEX, 0.5, (0, 0, 255), 2)
if center[1] < H*0.40:
cv.putText(frame_disp, "MOVE UP", (200, 50), cv.FONT_HERSHEY_SIMPLEX, 0.5, (0, 0, 255), 2)
elif center[1] > H*0.60:
cv.putText(frame_disp, "MOVE DOWN", (200, 300), cv.FONT_HERSHEY_SIMPLEX, 0.5, (0, 0, 255), 2)
if w*h < W*H*0.05:
cv.putText(frame_disp, "MOVE FORWARD", (int(W/2), int(H/2)), cv.FONT_HERSHEY_SIMPLEX, 0.5, (0, 0, 255), 2)
elif w*h > W*H*0.15:
cv.putText(frame_disp, "MOVE BACK", (int(W/2), int(H/2)), cv.FONT_HERSHEY_SIMPLEX, 0.5, (0, 0, 255), 2)
# Display the resulting frame
cv.imshow(display_name, frame_disp)
key = cv.waitKey(1)
if key == ord('q'):
break
# When everything done, release the capture
cap.release()
cv.destroyAllWindows()
if save_results:
if not os.path.exists(self.results_dir):
os.makedirs(self.results_dir)
video_name = Path(videofilepath).stem
base_results_path = os.path.join(self.results_dir, 'video_{}'.format(video_name))
tracked_bb = np.array(output_boxes).astype(int)
bbox_file = '{}.txt'.format(base_results_path)
np.savetxt(bbox_file, tracked_bb, delimiter='\t', fmt='%d')
