Slight changes in cloud cover or camera auto-exposure can be mistaken for movement across the entire frame.
Assigning a unique ID to a car when it enters the frame and maintaining that ID until it exits. Common Findings in Reports
Automating the process of counting how many vehicles cross a specific digital "tripwire" in the video.
Shadows move with the cars, often causing the algorithm to miscalculate the actual size of the vehicle.
Applying filters (like Morphological Opening or Closing) to remove "ghosting" effects or shadows caused by the cars.
The video generally features a fixed-camera view of a road or highway where various cars pass through the frame.
Establishing what the road looks like without cars so that any change in pixels can be flagged as "foreground."
