Add line counting and circular heatmaps in Ultralytics Solutions (#7113)
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
This commit is contained in:
Muhammad Rizwan Munawar
GitHub
parent
a5735724c5
commit
38eaf5e29f
5 changed files with 526 additions and 247 deletions
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@ -9,8 +9,7 @@ from ultralytics.utils.plotting import Annotator, colors
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check_requirements('shapely>=2.0.0')
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from shapely.geometry import Polygon
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from shapely.geometry.point import Point
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from shapely.geometry import LineString, Point, Polygon
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class ObjectCounter:
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@ -23,10 +22,12 @@ class ObjectCounter:
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self.is_drawing = False
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self.selected_point = None
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# Region Information
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self.reg_pts = None
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# Region & Line Information
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self.reg_pts = [(20, 400), (1260, 400)]
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self.line_dist_thresh = 15
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self.counting_region = None
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self.region_color = (255, 255, 255)
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self.region_color = (255, 0, 255)
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self.region_thickness = 5
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# Image and annotation Information
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self.im0 = None
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@ -40,11 +41,15 @@ class ObjectCounter:
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self.in_counts = 0
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self.out_counts = 0
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self.counting_list = []
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self.count_txt_thickness = 0
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self.count_txt_color = (0, 0, 0)
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self.count_color = (255, 255, 255)
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# Tracks info
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self.track_history = defaultdict(list)
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self.track_thickness = 2
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self.draw_tracks = False
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self.track_color = (0, 255, 0)
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# Check if environment support imshow
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self.env_check = check_imshow(warn=True)
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@ -52,11 +57,17 @@ class ObjectCounter:
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def set_args(self,
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classes_names,
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reg_pts,
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region_color=None,
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count_reg_color=(255, 0, 255),
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line_thickness=2,
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track_thickness=2,
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view_img=False,
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draw_tracks=False):
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draw_tracks=False,
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count_txt_thickness=2,
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count_txt_color=(0, 0, 0),
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count_color=(255, 255, 255),
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track_color=(0, 255, 0),
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region_thickness=5,
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line_dist_thresh=15):
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"""
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Configures the Counter's image, bounding box line thickness, and counting region points.
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@ -65,18 +76,43 @@ class ObjectCounter:
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view_img (bool): Flag to control whether to display the video stream.
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reg_pts (list): Initial list of points defining the counting region.
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classes_names (dict): Classes names
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region_color (tuple): color for region line
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track_thickness (int): Track thickness
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draw_tracks (Bool): draw tracks
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count_txt_thickness (int): Text thickness for object counting display
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count_txt_color (RGB color): count text color value
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count_color (RGB color): count text background color value
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count_reg_color (RGB color): Color of object counting region
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track_color (RGB color): color for tracks
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region_thickness (int): Object counting Region thickness
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line_dist_thresh (int): Euclidean Distance threshold for line counter
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"""
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self.tf = line_thickness
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self.view_img = view_img
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self.track_thickness = track_thickness
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self.draw_tracks = draw_tracks
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self.reg_pts = reg_pts
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self.counting_region = Polygon(self.reg_pts)
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# Region and line selection
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if len(reg_pts) == 2:
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print('Line Counter Initiated.')
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self.reg_pts = reg_pts
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self.counting_region = LineString(self.reg_pts)
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elif len(reg_pts) == 4:
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print('Region Counter Initiated.')
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self.reg_pts = reg_pts
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self.counting_region = Polygon(self.reg_pts)
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else:
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print('Invalid Region points provided, region_points can be 2 or 4')
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print('Using Line Counter Now')
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self.counting_region = LineString(self.reg_pts)
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self.names = classes_names
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self.region_color = region_color if region_color else self.region_color
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self.track_color = track_color
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self.count_txt_thickness = count_txt_thickness
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self.count_txt_color = count_txt_color
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self.count_color = count_color
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self.region_color = count_reg_color
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self.region_thickness = region_thickness
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self.line_dist_thresh = line_dist_thresh
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def mouse_event_for_region(self, event, x, y, flags, params):
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"""
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@ -113,11 +149,14 @@ class ObjectCounter:
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clss = tracks[0].boxes.cls.cpu().tolist()
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track_ids = tracks[0].boxes.id.int().cpu().tolist()
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# Annotator Init and region drawing
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self.annotator = Annotator(self.im0, self.tf, self.names)
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self.annotator.draw_region(reg_pts=self.reg_pts, color=(0, 255, 0))
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self.annotator.draw_region(reg_pts=self.reg_pts, color=self.region_color, thickness=self.region_thickness)
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# Extract tracks
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for box, track_id, cls in zip(boxes, track_ids, clss):
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self.annotator.box_label(box, label=self.names[cls], color=colors(int(cls), True)) # Draw bounding box
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self.annotator.box_label(box, label=str(track_id) + ':' + self.names[cls],
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color=colors(int(cls), True)) # Draw bounding box
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# Draw Tracks
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track_line = self.track_history[track_id]
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@ -125,28 +164,45 @@ class ObjectCounter:
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if len(track_line) > 30:
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track_line.pop(0)
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# Draw track trails
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if self.draw_tracks:
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self.annotator.draw_centroid_and_tracks(track_line,
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color=(0, 255, 0),
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color=self.track_color,
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track_thickness=self.track_thickness)
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# Count objects
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if self.counting_region.contains(Point(track_line[-1])):
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if track_id not in self.counting_list:
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self.counting_list.append(track_id)
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if box[0] < self.counting_region.centroid.x:
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self.out_counts += 1
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else:
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self.in_counts += 1
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if len(self.reg_pts) == 4:
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if self.counting_region.contains(Point(track_line[-1])):
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if track_id not in self.counting_list:
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self.counting_list.append(track_id)
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if box[0] < self.counting_region.centroid.x:
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self.out_counts += 1
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else:
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self.in_counts += 1
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incount_label = 'InCount : ' + f'{self.in_counts}'
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elif len(self.reg_pts) == 2:
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distance = Point(track_line[-1]).distance(self.counting_region)
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if distance < self.line_dist_thresh:
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if track_id not in self.counting_list:
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self.counting_list.append(track_id)
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if box[0] < self.counting_region.centroid.x:
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self.out_counts += 1
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else:
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self.in_counts += 1
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incount_label = 'In Count : ' + f'{self.in_counts}'
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outcount_label = 'OutCount : ' + f'{self.out_counts}'
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self.annotator.count_labels(in_count=incount_label, out_count=outcount_label)
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self.annotator.count_labels(in_count=incount_label,
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out_count=outcount_label,
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count_txt_size=self.count_txt_thickness,
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txt_color=self.count_txt_color,
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color=self.count_color)
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if self.env_check and self.view_img:
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cv2.namedWindow('Ultralytics YOLOv8 Object Counter')
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cv2.setMouseCallback('Ultralytics YOLOv8 Object Counter', self.mouse_event_for_region,
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{'region_points': self.reg_pts})
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if len(self.reg_pts) == 4: # only add mouse event If user drawn region
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cv2.setMouseCallback('Ultralytics YOLOv8 Object Counter', self.mouse_event_for_region,
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{'region_points': self.reg_pts})
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cv2.imshow('Ultralytics YOLOv8 Object Counter', self.im0)
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# Break Window
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if cv2.waitKey(1) & 0xFF == ord('q'):
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@ -161,6 +217,7 @@ class ObjectCounter:
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tracks (list): List of tracks obtained from the object tracking process.
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"""
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self.im0 = im0 # store image
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if tracks[0].boxes.id is None:
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return
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self.extract_and_process_tracks(tracks)
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