Automotive sensor integration module
An automotive sensor integration module including a plurality of sensors differing from each other in at least one of a sensing cycle or an output data format, and a signal processor for selecting a plurality of weights for each of the plurality of sensors on the basis of external environment data, and applying the plurality of weights to a plurality of detection data output from the plurality of sensors respectively to generate a plurality of weighted data.
1. An automotive sensor integration module, comprising:
a circuit board;
a first sensor provided on the circuit board and configured to obtain first detection data based on a first sensing cycle;
a second sensor provided on the circuit board and configured to obtain second detection data based on a second sensing cycle; and
a signal processor configured to synchronously output the first detection data and the second detection data, as sensing data, to an upper-level control device to detect at least one object,
wherein the signal processor is further configured to:
select a first weight for the first sensor and a second weight for the second sensor on the basis of at least one of external environment data and recognition data,
generate first weighted data by applying the first weight to the first detection data and generate second weighted data by applying the second weight to the second detection data, and
output the first weighted data and the second weighted data as the sensing data to the upper-level control device to detect at least one object.
2. The automotive sensor integration module of claim 1 , wherein the signal processor stores the first weighted data and the second weighted data and simultaneously outputs the stored first weighted data and the stored second weighted data as sensing data on the basis of a predetermined time.
3. The automotive sensor integration module of claim 1 , wherein the external environment data comprises information on at least one among daytime, darkness, snow, rain, and fog.
4. The automotive sensor integration module of claim 1 , wherein the recognition data comprises results of identifying objects within a predetermined distance from a vehicle on the basis of the sensing data.
5. The automotive sensor integration module of claim 1 , wherein:
the first sensor comprises at least one among an optical camera, an infrared camera, a radar, and a lidar; and
the second sensor comprises at least one among an optical camera, an infrared camera, a radar, and a lidar.
6. The automotive sensor integration module of claim 5 , wherein:
the signal processor, on the basis of the external environment data, selects a greater weight for daytime than for darkness, selects a greater weight for no snow or no rain than for snow or rain, and selects a greater weight for no fog than for fog; and
the signal processor applies a selected weight to detection data output from the optical camera.
7. The automotive sensor integration module of claim 5 ,
wherein the signal processor, on the basis of the recognition data, selects a lower weight when a steel structure is within a predetermined distance from a vehicle than when there is no steel structure within a predetermined distance from the vehicle, and applies a selected weight to detection data output from the radar.
8. A method for detecting at least one object using an automotive sensor integration module comprising a circuit board, a first sensor provided on the circuit board and configured to obtain first detection data based on a first sensing cycle, a second sensor provided on the circuit board and configured to obtain second detection data based on a second sensing cycle, and a signal processor configured to synchronously output the first detection data and the second detection data, as sensing data, to an upper-level control device, the method comprising:
selecting, by the signal processor, a first weight for the first sensor and a second weight for the second sensor on the basis of at least one of external environment data and recognition data,
generating, by the signal processor, first weighted data by applying the first weight to the first detection data and second weighted data by applying the second weight to the second detection data, and
outputting, by the signal processor, the first weighted data and the second weighted data as the sensing data to the upper-level control device to detect at least one object.
9. The method of claim 8 , wherein the outputting the first weighted data and the second weighted data as the sensing data to the upper-level control device includes:
storing, by the signal processor, the first weighted data and the second weighted data; and
simultaneously outputting, by the signal processor, the stored first weighted data and the second weighted data as sensing data on the basis of a predetermined time.
10. The method of claim 8 , wherein the external environment data comprises information on at least one among daytime, darkness, snow, rain, and fog.
11. The method of claim 8 , wherein the recognition data comprises results of identifying objects within a predetermined distance from a vehicle on the basis of the sensing data.
12. The method of claim 8 , wherein:
the first sensor comprises at least one among an optical camera, an infrared camera, a radar, and a lidar; and
the second sensor comprises at least one among an optical camera, an infrared camera, a radar, and a lidar.
13. The method of claim 12 , further comprising:
on the basis of the external environment data, selecting, by the signal processor, a greater weight for daytime than for darkness, selecting, by the signal processor, a greater weight for no snow or no rain than for snow or rain, and selecting, by the signal processor, a greater weight for no fog than for fog; and
applying, by the signal processor, a selected weight to detection data output from the optical camera.