How to add reversing reference lines when developing a car reversing video system using WinCE?

yanchao05

How to add reversing reference lines when developing a car reversing video system using WinCE? [Copy link]

As the title says, some GPS can display reversing reference lines or points on the screen while displaying reversing video to indicate the distance to obstacles behind the car. How can this be achieved programmatically?

sherryrain

Too professional

xieyuanbin

First, measure the distance between the rear of the vehicle and the obstacle, and then use a simple two-dimensional image to represent the obstacle on the video, and you can also add a sound prompt.

rrang

major

faner0315

You should ask how to draw a line on the video window. Make the professional question non-professional

zhouy0818

study

lian

There should be ultrasonic or infrared ranging, and then the relative position is calculated based on the display viewing area (fixed) of the device.

ceci

There should be ultrasonic or infrared ranging, and then the relative position is calculated based on the display viewing area (fixed) of the device.

0211liucheng

It is probably impossible to use methods based on image recognition. Most of the time, the distance between vehicles is obtained from the reversing radar, and then a reference position is drawn based on the location where the camera is installed and the height and width of the vehicle.