Research Article
Design and Implementation of Trace Inspection System Based upon Hyperspectral Imaging Technology
Table 1
Comparison of average precision before and after feature encryption.
| | Type | Characteristic encryption time | Retrieve time after encryption | Traditional method |
| | Feature randomization encryption | | 1.10 s | 2.13 s | | Order-preserving encryption | 1.10 s | 3.0 s | 5.12 s | | Average precision rate (%) | 86.10 | 85.25 | — |
|
|
