Reference for ultralytics/solutions/object_counter.py
Note
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ultralytics.solutions.object_counter.ObjectCounter
A class to manage the counting of objects in a real-time video stream based on their tracks.
Source code in ultralytics/solutions/object_counter.py
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__init__()
Initializes the Counter with default values for various tracking and counting parameters.
Source code in ultralytics/solutions/object_counter.py
display_frames()
Display frame.
Source code in ultralytics/solutions/object_counter.py
extract_and_process_tracks(tracks)
Extracts and processes tracks for object counting in a video stream.
Source code in ultralytics/solutions/object_counter.py
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mouse_event_for_region(event, x, y, flags, params)
This function is designed to move region with mouse events in a real-time video stream.
Parameters:
Name | Type | Description | Default |
---|---|---|---|
event |
int
|
The type of mouse event (e.g., cv2.EVENT_MOUSEMOVE, cv2.EVENT_LBUTTONDOWN, etc.). |
required |
x |
int
|
The x-coordinate of the mouse pointer. |
required |
y |
int
|
The y-coordinate of the mouse pointer. |
required |
flags |
int
|
Any flags associated with the event (e.g., cv2.EVENT_FLAG_CTRLKEY, cv2.EVENT_FLAG_SHIFTKEY, etc.). |
required |
params |
dict
|
Additional parameters you may want to pass to the function. |
required |
Source code in ultralytics/solutions/object_counter.py
set_args(classes_names, reg_pts, count_reg_color=(255, 0, 255), count_txt_color=(0, 0, 0), count_bg_color=(255, 255, 255), line_thickness=2, track_thickness=2, view_img=False, view_in_counts=True, view_out_counts=True, draw_tracks=False, track_color=None, region_thickness=5, line_dist_thresh=15, cls_txtdisplay_gap=50)
Configures the Counter's image, bounding box line thickness, and counting region points.
Parameters:
Name | Type | Description | Default |
---|---|---|---|
line_thickness |
int
|
Line thickness for bounding boxes. |
2
|
view_img |
bool
|
Flag to control whether to display the video stream. |
False
|
view_in_counts |
bool
|
Flag to control whether to display the incounts on video stream. |
True
|
view_out_counts |
bool
|
Flag to control whether to display the outcounts on video stream. |
True
|
reg_pts |
list
|
Initial list of points defining the counting region. |
required |
classes_names |
dict
|
Classes names |
required |
track_thickness |
int
|
Track thickness |
2
|
draw_tracks |
Bool
|
draw tracks |
False
|
count_txt_color |
RGB color
|
count text color value |
(0, 0, 0)
|
count_bg_color |
RGB color
|
count highlighter line color |
(255, 255, 255)
|
count_reg_color |
RGB color
|
Color of object counting region |
(255, 0, 255)
|
track_color |
RGB color
|
color for tracks |
None
|
region_thickness |
int
|
Object counting Region thickness |
5
|
line_dist_thresh |
int
|
Euclidean Distance threshold for line counter |
15
|
cls_txtdisplay_gap |
int
|
Display gap between each class count |
50
|
Source code in ultralytics/solutions/object_counter.py
start_counting(im0, tracks)
Main function to start the object counting process.
Parameters:
Name | Type | Description | Default |
---|---|---|---|
im0 |
ndarray
|
Current frame from the video stream. |
required |
tracks |
list
|
List of tracks obtained from the object tracking process. |
required |