Data processing method and apparatus for generating map data of roadside device coverage
View Patent ↗A data processing method and apparatus, applied to the field of electronic maps. Coverage information of a roadside device is stored in a map, so that content of the map is enriched, and the map can meet a higher-level use requirement of a user. The coverage information includes coverage region information that indicates at least one coverage region of the roadside device and coverage capability information that indicates a coverage capability of the roadside device in the at least one coverage region. The coverage information can be used to generate a control signal for controlling a vehicle, so that safety of autonomous driving or assisted driving can be improved.
1 . A method comprising:
periodically obtaining, by a moving vehicle, coverage region information of a roadside device,
wherein the roadside device comprising at least one sensing device for collecting information describing a surrounding environment,
wherein the coverage region information comprises coverage capability information that indicates a coverage capability of the roadside device in each of a plurality of coverage regions,
wherein the plurality of coverage regions comprises a coverage scope provided by the coverage region information and each coverage region is based on a range of values of the coverage capability information, and
wherein the range is based on a comparison between the collected information and a fusion sensing result generated from sensing data of a plurality of sensing devices within the surrounding environment; and
storing the coverage region information as map data.
2 . The method according to claim 1 , wherein the plurality of coverage regions are classified into discrete levels corresponding to predefined ranges of the coverage capability.
3 . The method according to claim 1 , wherein the plurality of coverage regions comprises at least one sensing coverage region.
4 . The method according to claim 3 , wherein the sensing coverage region comprises a multi-device sensing coverage region, and the multi-device sensing coverage region and a coverage capability of the roadside device in the multi-device sensing coverage region are determined based on coverage capabilities of the plurality of sensing devices related to the roadside device.
5 . The method according to claim 3 , wherein the roadside device is related to a first sensing device and a second sensing device, the sensing coverage region comprises a first coverage region of the first sensing device and a second coverage region of the second sensing device, and the coverage capability information comprises first coverage capability information that indicates a coverage capability of the first sensing device in the first coverage region and second coverage capability information that indicates a coverage capability of the second sensing device in the second coverage region.
6 . The method according to claim 1 , wherein the coverage region information further comprises information that indicates a dead zone, and the dead zone comprises at least one of a communication dead zone and a sensing dead zone.
7 . The method according to claim 1 , wherein, based on the coverage capability in one of the plurality of coverage regions that is a communication coverage region, the coverage capability information indicates at least one of:
a data accuracy rate, a packet loss rate, a communication delay, communication stability, and signal strength.
8 . The method according to claim 1 , wherein, when the coverage capability is a coverage capability of the roadside device in a sensing coverage region, the coverage capability information indicates at least one of:
a sensing result accuracy rate, a false detection rate, a missing detection rate, a recall rate, sensing precision, detection stability, and detection location precision.
9 . The method according to claim 1 , wherein the coverage capability information indicates coverage capabilities in a plurality of environments.
10 . The method according to claim 1 , wherein the coverage region information further comprises an identifier of the roadside device.
11 . The method according to claim 1 , wherein the coverage region information further comprises a tile identifier.
12 . The method according to claim 1 , further comprising:
displaying the coverage region information on a display interface.
13 . The method according to claim 1 , further comprising:
sending the coverage region information.
14 . The method according to claim 1 , further comprising:
performing information processing or generating a control signal for controlling a vehicle, based on the coverage region information.
15 . An apparatus comprising:
at least one processor; and
one or more memories coupled to the at least one processor and storing programming instructions for execution, causing the at least one processor to:
periodically obtain coverage region information of a roadside device,
wherein the roadside device comprising at least one sensing device for collecting information describing a surrounding environment,
wherein the coverage region information comprises coverage capability information that indicates a coverage capability of the roadside device in each of a plurality of coverage regions,
wherein the plurality of coverage regions comprises a coverage scope provided by the coverage region information and each coverage region is based on a range of values of the coverage capability information, and
wherein the range is based on a comparison between the collected information and a fusion sensing result generated from sensing data of a plurality of sensing devices within the surrounding environment; and
store the coverage region information as map data.
16 . The apparatus according to claim 15 , wherein the plurality of coverage regions are classified into discrete levels corresponding to predefined ranges of the coverage capability.
17 . The apparatus according to claim 15 , wherein the plurality of coverage regions comprises at least one sensing coverage region.
18 . The apparatus according to claim 17 , wherein the sensing coverage region comprises a multi-device sensing coverage region, and the multi-device sensing coverage region and a coverage capability of the roadside device in the multi-device sensing coverage region are determined based on coverage capabilities of the plurality of sensing devices related to the roadside device.
19 . The apparatus according to claim 17 , wherein the roadside device is related to a first sensing device and a second sensing device, the sensing coverage region comprises a first coverage region of the first sensing device and a second coverage region of the second sensing device, and
wherein the coverage capability information comprises first coverage capability information that indicates a coverage capability of the first sensing device in the first coverage region and second coverage capability information that indicates a coverage capability of the second sensing device in the second coverage region.
20 . The apparatus according to claim 15 , wherein the coverage region information further comprises information that indicates a dead zone, and the dead zone comprises at least one of a communication dead zone and a sensing dead zone.
21 . The apparatus according to claim 15 , wherein, based on the coverage capability in one of the plurality of coverage regions that is a communication coverage region, the coverage capability information indicates at least one of:
a data accuracy rate, a packet loss rate, a communication delay, communication stability, and signal strength.
22 . The apparatus according to claim 15 , wherein, when the coverage capability is a coverage capability of the roadside device in a sensing coverage region, the coverage capability information indicates at least one of:
a sensing result accuracy rate, a false detection rate, a missing detection rate, a recall rate, sensing precision, detection stability, and detection location precision.
23 . The apparatus according to claim 15 , wherein the coverage capability information indicates coverage capabilities in a plurality of environments.
24 . The apparatus according to claim 15 , wherein the coverage region information further comprises an identifier of the roadside device.
25 . The apparatus according to claim 15 , wherein the coverage region information further comprises a tile identifier.
26 . The apparatus according to claim 15 , wherein the programming instructions are for execution further cause the at least one processor to:
display the coverage region information on a display interface.
27 . The apparatus according to claim 15 , wherein the programming instructions are for execution further cause the at least one processor to:
send the coverage region information.
28 . The apparatus according to claim 15 , wherein the programming instructions are for execution further cause the at least one processor to:
perform information processing or generate a control signal for controlling a vehicle, based on the coverage region information.