ultralytics/docs/en/macros/track-args.md

{% macro param_table(params=None) %}

Argument	Type	Default	Description

{%- set default_params = { "source": ["str", "None", "Specifies the source directory for images or videos. Supports file paths, URLs, and video streams."], "persist": ["bool", "False", "Enables persistent tracking of objects between frames, maintaining IDs across video sequences."], "stream": ["bool", "False", "Treats the input source as a continuous video stream for real-time processing."], "tracker": ["str", "'botsort.yaml'", "Specifies the tracking algorithm to use, e.g., bytetrack.yaml or botsort.yaml."], "conf": ["float", "0.3", "Sets the confidence threshold for detections; lower values allow more objects to be tracked but may include false positives."], "iou": ["float", "0.5", "Sets the Intersection over Union (IoU) threshold for filtering overlapping detections."], "classes": ["list", "None", "Filters results by class index. For example, classes=[0, 2, 3] only tracks the specified classes."], "verbose": ["bool", "True", "Controls the display of tracking results, providing a visual output of tracked objects."], "device": ["str", "None", "Specifies the device for inference (e.g., cpu, cuda:0 or 0). Allows users to select between CPU, a specific GPU, or other compute devices for model execution."], "show": ["bool", "False", "If True, displays the annotated images or videos in a window for immediate visual feedback."], "line_width": ["None or int", "None", "Specifies the line width of bounding boxes. If None, the line width is automatically adjusted based on the image size."] } %}

{%- if not params %} {%- for param, details in default_params.items() %} | {{ param }} | {{ details[0] }} | {{ details[1] }} | {{ details[2] }} | {%- endfor %} {%- else %} {%- for param in params %} {%- if param in default_params %} | {{ param }} | {{ default_params[param][0] }} | {{ default_params[param][1] }} | {{ default_params[param][2] }} | {%- endif %} {%- endfor %} {%- endif %}

{% endmacro %}