Data transmission method and apparatus
View Patent ↗A vehicle terminal determines a data format of detection information, where the detection information is associated with a map element. The vehicle terminal sends the detection information to a first network device based on the determined data format. The vehicle terminal receives map element change information sent by the first network device or a second network device, to update an electronic map. The first network device and the second network device each may be a cloud server or a road side unit.
1. A method, comprising:
determining, by a vehicle terminal, a data format of detection information detected by the vehicle terminal, wherein the detection information is associated with a map element of a map;
sending, by the vehicle terminal, the detection information to a first network device; and
receiving, by the vehicle terminal in response to sending the detection information, map element change information from the first network device or a second network device, wherein the map element change information indicates whether the map element of the map has changed;
wherein the data format of the detection information is determined based on a map element type corresponding to the detection information; and
wherein determining the data format of the detection information comprises distinguishing between whether the map element type corresponding to the detection information corresponds to a first map element type and whether the map element type corresponding to the detection information corresponds to a second map element type;
wherein the first map element type corresponds to first, second and third data formats; and
wherein the second map element corresponds to a fourth data format.
2. The method according to claim 1 , wherein the data format of detection information is determined based on one of following:
confidence of the detection information,
a map layer supported by the first network device,
a data processing capability of the first network device,
a map element type corresponding to the detection information,
indication information sent by the first network device indicating the data format of the detection information, or
a moment for obtaining the detection information.
3. The method according to claim 1 , wherein the first map element type comprises at least one of:
road information,
lane line information,
traffic light information,
road sign information,
light pole information, or
stop line information.
4. The method according to claim 1 , wherein the map element change information comprises information regarding at least one of following:
whether the map element exists,
location information of the map element,
shape information of the map element,
color information of the map element, or
size information of the map element.
5. The method according to claim 1 , wherein the first network device is a cloud server or a road side unit.
6. The method according to claim 1 , wherein the first network device is a road side unit, the second network device is a cloud server, and the map element change information is associated with map element change information uploaded by at least one road side unit to the second network device.
7. The method according to claim 1 , wherein the first network device is a cloud server, the second network device is a road side unit, and the map element change information is associated with map element change information uploaded by at least one cloud server to the second network device.
8. The method according to claim 1 , wherein the first data format corresponds to detection information comprising original information collected by an on-board sensor of the vehicle terminal;
wherein the second data format corresponds to detection information comprising target information detected by a single on-board sensor of the vehicle terminal;
wherein the third data format corresponds to detection information comprising target information jointly detected by at least two on-board sensors of the vehicle terminal; and
wherein the fourth data format corresponds to detection information comprising map element change information corresponding to target information jointly detected by at least two on-board sensors of the vehicle terminal.
9. The method according to claim 8 , wherein the original information collected by the on-board sensor comprises at least one of laser point cloud data or pixel data.
10. A method comprising:
receiving, by a first network device, detection information from a vehicle terminal, wherein the detection information is associated with a map element of a map;
determining, by the first network device based on the detection information, that information of the map element associated with the detection information fails to match the detection information, and based thereon, obtaining, by the first network device, map element change information based on the detection information, wherein the map element change information indicates that the map element of the map has changed; and
sending, by the first network device, the map element change information to the vehicle terminal or a second network device;
wherein the detection information has a data format out of a plurality of data formats, wherein respective detection information corresponds to respective data formats of the plurality of data formats, and wherein the plurality of data formats includes:
a first data format corresponding to detection information comprising original information collected by an on-board sensor of the vehicle terminal;
a second data format corresponding to detection information comprising target information detected by a single on-board sensor of the vehicle terminal;
a third data format corresponding to detection information comprising target information jointly detected by at least two on-board sensors of the vehicle terminal; and
a fourth data format corresponding to detection information comprising map element change information corresponding to target information jointly detected by at least two on-board sensors of the vehicle terminal.
11. The method according to claim 10 , wherein the original information collected by the on-board sensor comprises at least one of laser point cloud data or pixel data.
12. The method according to claim 10 , wherein the method further comprises:
sending, by the first network device to the vehicle terminal, one of following information for determining the data format of the detection information:
indication information indicating the data format,
a map layer supported by the first network device, or
a data processing capability of the first network device.
13. The method according to claim 10 , wherein the map element change information comprises information regarding at least one of following:
whether the map element exists,
location information of the map element,
shape information of the map element,
color information of the map element, or
size information of the map element.
14. The method according to claim 10 , wherein the first network device is a cloud server or a road side unit.
15. The method according to claim 10 , wherein the first network device is a road side unit, the second network device is a cloud server, and the map element change information is associated with whether the second network device determines to update an electronic map.
16. The method according to claim 10 , wherein the first network device is a cloud server, the second network device is a road side unit, and the map element change information is associated with whether the second network device determines to update an electronic map.
17. An apparatus, comprising:
at least one processor; and
at least one non-transitory memory having program instructions stored thereon;
wherein the at least one processor is coupled to the at least one memory and configured to execute the program instructions to facilitate performance of the following by the apparatus:
determining a data format of detection information detected by the apparatus, wherein the detection information is associated with a map element of a map;
sending the detection information of the apparatus to a first network device; and
receiving, in response to sending the detection information, map element change information from the first network device or a second network device, wherein the map element change information indicates whether the map element of the map has changed;
wherein the data format of the detection information is determined based on a map element type corresponding to the detection information; and wherein determining the data format of the detection information comprises distinguishing between whether the map element type corresponding to the detection information corresponds to a first map element type and whether the map element type corresponding to the detection information corresponds to a second map element type;
wherein the first map element type corresponds to first, second and third data formats; and
wherein the second map element corresponds to a fourth data format.
18. The apparatus according to claim 17 , wherein the data format of detection information is determined based on one of following:
confidence of the detection information,
a map layer supported by the first network device,
a data processing capability of the first network device,
a map element type corresponding to the detection information,
indication information sent by the first network device indicating the data format of the detection information, or
a moment for obtaining the detection information.
19. The apparatus according to claim 17 , wherein the map element of the first type comprises at least one of:
road information,
lane line information,
traffic light information,
road sign information,
light pole information, or
stop line information.
20. The apparatus according to claim 17 , wherein the map element change information comprises information regarding at least one of following:
whether the map element exists,
location information of the map element,
shape information of the map element,
color information of the map element, or
size information of the map element.
21. The apparatus according to claim 17 , wherein the first network device is a cloud server or a road side unit.
22. The apparatus according to claim 17 , wherein the first network device is a road side unit, the second network device is a cloud server, and the map element change information is associated with map element change information uploaded by at least one road side unit to the second network device.
23. The apparatus according to claim 17 , wherein the first network device is a cloud server, the second network device is a road side unit, and the map element change information is associated with map element change information uploaded by at least one cloud server to the second network device.
24. The apparatus according to claim 17 , wherein the first data format corresponds to detection information comprising original information collected by an on-board sensor of the vehicle terminal;
wherein the second data format corresponds to detection information comprising target information detected by a single on-board sensor of the vehicle terminal;
wherein the third data format corresponds to detection information comprising target information jointly detected by at least two on-board sensors of the vehicle terminal; and
wherein the fourth data format corresponds to detection information comprising map element change information corresponding to target information jointly detected by at least two on-board sensors of the vehicle terminal.
25. The apparatus according to claim 24 , wherein the original information collected by the on-board sensor comprises at least one of laser point cloud data or pixel data.
26. An apparatus, comprising:
at least one processor; and
at least one non-transitory memory having program instructions stored thereon;
wherein the at least one processor is coupled to the at least one memory and is configured to execute the program instructions to facilitate performance of the following by the apparatus:
receiving detection information from a vehicle terminal, wherein the detection information is associated with a map element of a map;
determining, based on the detection information, that information of the map element associated with the detection information fails to match the detection information, and based on thereon, obtaining map element change information based on the detection information, wherein the map element change information indicates that the map element of the map has changed; and
sending the map element change information to the vehicle terminal or a second network device;
wherein the detection information has a data format out of a plurality of data formats, wherein respective detection information corresponds to respective data formats of the plurality of data formats, and wherein the plurality of data formats includes:
a first data format corresponding to detection information comprising original information collected by an on-board sensor of the vehicle terminal;
a second data format corresponding to detection information comprising target information detected by a single on-board sensor of the vehicle terminal;
a third data format corresponding to detection information comprising target information jointly detected by at least two on-board sensors of the vehicle terminal; and
a fourth data format corresponding to detection information comprising map element change information corresponding to target information jointly detected by at least two on-board sensors of the vehicle terminal.
27. The apparatus according to claim 26 , wherein the original information collected by the on-board sensor comprises at least one of laser point cloud data or pixel data.
28. The apparatus according to claim 26 , wherein the at least one processor is further configured to execute the program instructions to facilitate performance of the following by the apparatus:
sending, to the vehicle terminal, one of following information for determining the data format of the detection information:
indication information indicating the data format,
a map layer supported by the apparatus, or
a data processing capability of the apparatus.
29. The apparatus according to claim 26 , wherein the map element change information comprises information regarding at least one of following:
whether the map element exists,
location information of the map element,
shape information of the map element,
color information of the map element, or
size information of the map element.
30. The apparatus according to claim 26 , wherein the apparatus is a cloud server or a road side unit.
31. The apparatus according to claim 26 , wherein the apparatus is a road side unit, the second network device is a cloud server, and the map element change information is associated with whether the second network device determines to update an electronic map.
32. The apparatus according to claim 26 , wherein the apparatus is a cloud server, the second network device is a road side unit, and the map element change information is associated with whether the second network device determines to update an electronic map.
33. A non-transitory computer-readable medium having computer-executable instructions stored thereon, wherein the computer-executable instructions, when executed, facilitate performance of the following:
determining a data format of detection information detected by the apparatus, wherein the detection information is associated with a map element of a map;
sending the detection information of the apparatus to a first network device; and
receiving, in response to sending the detection information, map element change information from the first network device or a second network device, wherein the map element change information indicates whether the map element of the map has changed,
wherein the data format of the detection information is determined based on a map element type corresponding to the detection information; and wherein determining the data format of the detection information comprises distinguishing between whether the map element type corresponding to the detection information corresponds to a first map element type and whether the map element type corresponding to the detection information corresponds to a second map element type;
wherein the first map element type corresponds to first, second and third data formats; and
wherein the second map element corresponds to a fourth data format.
34. The non-transitory computer-readable medium according to claim 33 , wherein the data format of detection information is determined based on one of following:
confidence of the detection information,
a map layer supported by the first network device,
a data processing capability of the first network device,
a map element type corresponding to the detection information,
indication information sent by the first network device indicating the data format of the detection information, or
a moment for obtaining the detection information.
35. A non-transitory computer-readable medium having computer-executable instructions stored thereon, wherein the computer-executable instructions, when executed, facilitate performance of the following:
receiving detection information from a vehicle terminal, wherein the detection information is associated with a map element of a map;
determining, based on the detection information, that information of the map element associated with the detection information fails to match the detection information, and based thereon, obtaining map element change information based on the detection information, wherein the map element change information indicates that the map element of the map has changed; and
sending, the map element change information to the vehicle terminal or a second network device;
wherein the detection information has a data format out of a plurality of data formats, wherein respective detection information corresponds to respective data formats of the plurality of data formats, and wherein the plurality of data formats includes:
a first data format corresponding to detection information comprising original information collected by an on-board sensor of the vehicle terminal;
a second data format corresponding to detection information comprising target information detected by a single on-board sensor of the vehicle terminal;
a third data format corresponding to detection information comprising target information jointly detected by at least two on-board sensors of the vehicle terminal; and
a fourth data format corresponding to detection information comprising map element change information corresponding to target information jointly detected by at least two on-board sensors of the vehicle terminal.
36. The non-transitory computer-readable medium according to claim 35 , wherein the computer-executable instructions, when executed, further facilitate performance of the following:
sending, to the vehicle terminal, one of following information for determining the data format of the detection information:
indication information indicating the data format,
a map layer supported by the apparatus, or
a data processing capability of the apparatus.