Solving Phantom Obstacle Detection with Recorded Parking Paths and Camera Cleaning

Solving Phantom Obstacle Detection with Recorded Parking Paths and Camera Cleaning
Sustainability | Free Full-Text | A Study on Recent Developments and Issues with Obstacle Detection Systems for Automated Vehicles
Image Sensors World: October 2017

The Phenomenon of Phantom Obstacle Detection

Modern cars are equipped with a range of sensors that help drivers navigate and avoid obstacles. These sensors include sonic, radar, and cameras which work together to provide a comprehensive view of the car's surroundings. However, sometimes these sensors can produce "phantom" braking or obstacle detection, where the car senses what it perceives as a real obstacle even though there is nothing in sight.

This phenomenon is more commonly caused by lateral obstacles such as a garage door frame that the car "thinks" is too narrow, even though it doesn't "think" that all the time. It usually results in a tone warning, and it's more common if you have limited clearance combined with things lining your garage walls. Another instance occurs when patterns or low obstacles on the road confuse the car's sensors. For example, joining expansion strips between your garage floor and driveway or even just larger gaps or dark line patterns can trigger this response.

Phantom obstacle detection can be frustrating for drivers who rely on their car's sensors to park safely. While it's better to be over-cautious than under, false alarms can cause unnecessary stress and may lead drivers to ignore genuine warnings in the future.

Recorded Parking Paths - A Solution?

One solution to phantom obstacle detection is recorded parking paths. This feature allows drivers to record a path into their garage or other parking space using their car's sensors. Once recorded, the car can follow the same path automatically without any input from the driver.

Recorded parking paths have several advantages over traditional parking methods. Firstly, they allow for precise parking every time, reducing the risk of collisions and damage to the vehicle. Secondly, they spare drivers from the headache of constant sensor warnings while parking manually. Finally, they eliminate the need for human intervention during the parking process, making it easier for people with mobility issues or disabilities to park independently.

However, recorded parking paths are not foolproof. As mentioned earlier, inclines or other factors may trip emergency braking systems resulting in sudden stops that can be jarring for passengers. Additionally, recorded parking paths do not account for changes in lighting conditions or weather that may affect the car's sensors' performance.


Cleaning Your Car's Cameras

Another factor that can affect your car's sensors' performance is dirt buildup on its cameras. Over time, dust and debris can accumulate on camera lenses causing them to become less effective at detecting obstacles accurately. To combat this issue, many modern cars come equipped with self-cleaning camera modes that use water jets and air blowers to remove dirt and debris from camera lenses.

Cleaning your car's cameras regularly is an essential part of maintaining its safety features. Not only does it ensure that your sensors are working correctly but also prevents potential accidents caused by dirty lenses.

In conclusion, while modern cars' safety features have made driving safer than ever before, they are not infallible. Phantom obstacle detection can occur due to various factors like lateral obstacles or patterns on roads. One solution to this problem is recorded parking paths that offer drivers precise parking without sensor warnings while eliminating human intervention during the process. Regular cleaning of your car's cameras is also crucial to maintain its safety features' effectiveness.