Detection device and method for adjusting parameter thereof

Abstract

The present invention provides a detection device and a method for adjusting a parameter thereof. The device includes a real-time collection module, configured to collect and obtain environment information in real time; a real-time location information obtaining module, configured to obtain location information in real time; a parameter determining module, configured to determine a value of a target parameter of the detection device based on at least either the obtained environment information or the obtained location information; and a parameter adjustment module, configured to adjust the parameter of the detection device in real time based on the determined value of the target parameter. Based on the present invention, the parameter of the detection device can be adjusted in real time, and the detection device can adapt to diversified road conditions and improve detection accuracy.

What is claimed is: 
     
         1 . A lidar device, comprising:
 a plurality of laser transceivers; and   a scanner having a plurality of vibrating mirrors,   wherein each of the plurality of laser transceivers is configured to emit light to the scanner at a respective incident angle to produce an individual field of view to collectively form a first field of view in a first resolution, and the plurality of laser transceivers are configured to generate a point cloud of a surrounding environment of the lidar in real time using the first field of view;   a parameter determining module, configured to determine a value of a parameter of the lidar based on the generated point cloud, wherein the parameter determining module is configured to:
 determining a value for adjusting the vibrating mirrors to produce a second field of view 
 such that the second field of view has a second resolution greater than the first resolution, 
 and wherein the second field of view is smaller than the first field of view, and 
   a parameter adjustment module, configured to adjust the parameter of the lidar in real time based on the second field of view having the second resolution.   
     
     
         2 . The lidar device of  claim 1 , wherein the parameter determining module is further configured to dynamically adjust a power of the laser transceivers in response to detected reflectance of road obstacles. 
     
     
         3 . The lidar device of  claim 1 , wherein the parameter determining module is further configured to determine whether the generated point cloud includes an object. 
     
     
         4 . The lidar device of  claim 3 , wherein in response to determining that the generated point cloud includes an object, the parameter determining module is further configured to determining a second value for adjusting the vibrating mirrors such that the second field of view is focused on the object. 
     
     
         5 . The lidar device of  claim 1 , wherein the second field of view is produced by overlapping the individual fields of view of the laser transceivers. 
     
     
         6 . The lidar device of  claim 1 , wherein
 the laser transceivers are configured to detect a road condition ahead of a vehicle; and   the parameter determining module is further configured to determine a first focus direction of the lidar device in coincidence with a vehicle centerline from back to front of a vehicle when the road condition indicates a flat road condition ahead of the vehicle.   
     
     
         7 . The lidar device of  claim 6 , wherein the parameter determining module is further configured to determine a second focus direction of the lidar device, wherein the second focus direction deviates from the vehicle centerline downward by a first angle when the road condition information indicates an uphill road condition ahead of the vehicle. 
     
     
         8 . The lidar device of  claim 6 , wherein the parameter determining module is further configured to determine a third focus direction of the lidar device, wherein the third focus direction deviates from the vehicle centerline upward by a second angle when the road condition information indicates a downhill road condition ahead of the vehicle. 
     
     
         9 . The lidar device of  claim 6 , wherein the parameter determining module is further configured to determine a fourth focus direction of the lidar device, wherein the fourth focus direction deviates from the vehicle centerline leftward by a third angle when the road condition information indicates a left turn ahead of the vehicle. 
     
     
         10 . The lidar device of  claim 6 , wherein the parameter determining module is further configured to determine a fifth focus direction of the lidar device, wherein the fifth focus direction deviates from the vehicle centerline rightward by a fourth angle when the road condition information indicates a right turn ahead of the vehicle. 
     
     
         11 . A vehicle comprising a lidar device, wherein the lidar device comprises:
 a plurality of laser transceivers; and   a scanner having a plurality of vibrating mirrors,   wherein each of the plurality of laser transceivers is configured to emit light to the scanner at a respective incident angle to produce an individual field of view to collectively form a first field of view in a first resolution, and the plurality of laser transceivers are configured to generate a point cloud of a surrounding environment of the lidar in real time using the first field of view;   a parameter determining module, configured to determine a value of a parameter of the lidar based on the generated point cloud, wherein the parameter determining module is configured to:
 determining a value for adjusting the vibrating mirrors to produce a second field of view 
 such that the second field of view has a second resolution greater than the first resolution, 
 and wherein the second field of view is smaller than the first field of view, and 
   a parameter adjustment module, configured to adjust the parameter of the lidar in real time based on the second field of view having the second resolution.   
     
     
         12 . The vehicle of  claim 11 , wherein the parameter determining module is further configured to dynamically adjust a power of the laser transceivers in response to detected reflectance of road obstacles. 
     
     
         13 . The vehicle of  claim 11 , wherein the parameter determining module is further configured to determine whether the generated point cloud includes an object. 
     
     
         14 . The vehicle of  claim 13 , wherein in response to determining that the generated point cloud includes an object, the parameter determining module is further configured to determining a second value for adjusting the vibrating mirrors such that the second field of view is focused on the object. 
     
     
         15 . The vehicle of  claim 11 , wherein the second field of view is produced by overlapping the individual fields of view of the laser transceivers. 
     
     
         16 . The vehicle of  claim 11 , wherein
 the laser transceivers are configured to detect a road condition ahead of the vehicle; and   the parameter determining module is further configured to determine a first focus direction of the lidar device in coincidence with a vehicle centerline from back to front of a vehicle when the road condition indicates a flat road condition ahead of the vehicle.   
     
     
         17 . The vehicle of  claim 16 , wherein the parameter determining module is further configured to determine a second focus direction of the lidar device, wherein the second focus direction deviates from the vehicle centerline downward by a first angle when the road condition information indicates an uphill road condition ahead of the vehicle. 
     
     
         18 . The vehicle of  claim 16 , wherein the parameter determining module is further configured to determine a third focus direction of the lidar device, wherein the third focus direction deviates from the vehicle centerline upward by a second angle when the road condition information indicates a downhill road condition ahead of the vehicle. 
     
     
         19 . The vehicle of  claim 16 , wherein the parameter determining module is further configured to determine a fourth focus direction of the lidar device, wherein the fourth focus direction deviates from the vehicle centerline leftward by a third angle when the road condition information indicates a left turn ahead of the vehicle. 
     
     
         20 . The vehicle of  claim 16 , wherein the parameter determining module is further configured to determine a fifth focus direction of the lidar device, wherein the fifth focus direction deviates from the vehicle centerline rightward by a fourth angle when the road condition information indicates a right turn ahead of the vehicle.