System and method for solving missing annotation object detection
US12266156B2 · kind B2 · utility
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Key dates
| Filing date | Feb 14, 2022 |
| Grant date | Apr 1, 2025 |
| Priority date | — |
| Expiry date | May 17, 2043 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06V10/774
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Disclosed herein is a system and method for improving the accuracy of an object detector when trained with a dataset having a significant number of missing annotations. The method uses a novel Background Recalibration Loss (BRL) which adjusts the gradient direction according to its own activation to reduce the adverse effect of error signals by replacing the negative branch of the focal loss with a mirror of the positive branch when the activation is below a confusion threshold.
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