PROCESSING SYSTEM, PROCESSING METHOD, AND PROCESSING PROGRAM

1 . A processing system performed by using an edge device and a server device, wherein

the edge device includes:

first processing circuitry configured to:

extract a feature amount of processing target data by using a first model and execute inference processing on the processing target data on a basis of the extracted feature amount; and

output an inference result in a case where reliability of the inference result exceeds a threshold, and output the feature amount of the processing target data to the server device in a case where the reliability is equal to or less than the threshold, and

the server device includes:

second processing circuitry configured to:

execute inference processing on the processing target data on the basis of the feature amount of the processing target data output from the edge device by using a second model having higher inference accuracy than the first model.

2 . The processing system according to claim 1 , wherein

the first processing circuitry is further configured to:

extract the feature amount of the processing target data, and

execute first inference processing on the basis of the feature amount of the processing target data, and

the second processing circuitry is further configured to:

execute second inference processing on the basis of the feature amount of the processing target data, and

execute the second inference processing on the basis of the feature amount of the processing target data extracted.

3 . The processing system according to claim 1 , wherein the first processing circuitry is further configured to output the quantized feature amount of the processing target data to the server device.

4 . The processing system according to claim 1 , wherein the reliability is based on entropy of the inference result.

5 . A processing method executed by a processing system performed by using an edge device and a server device,

the processing method comprising:

by the edge device, extracting a feature amount of processing target data by using a first model and executing inference processing on the processing target data on a basis of the extracted feature amount;

by the edge device, outputting an inference result in a case where reliability of the inference result exceeds a threshold, and outputting the feature amount of the processing target data to the server device in a case where the reliability is equal to or less than the threshold; and

by the server device, executing inference processing on the processing target data on the basis of the feature amount of the processing target data output from the edge device by using a second model having higher inference accuracy than the first model.

6 . A non-transitory computer-readable recording medium storing therein a processing program that causes a computer to execute a process comprising:

extracting a feature amount of processing target data by using a first model and executing inference processing on the processing target data on a basis of the extracted feature amount;

outputting an inference result in a case where reliability of the inference result exceeds a threshold, and outputting the feature amount of the processing target data in a case where the reliability is equal to or less than the threshold; and

executing inference processing on the processing target data on the basis of the feature amount of the processing target data output from the edge device by using a second model having higher inference accuracy than the first model.