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Machine Vision and Applications · 2025

Naturally Constrained Reject Option Classification

N. Kashani Motlagh, J. Davis, T. Anderson, J. Gwinnup

+1.3% coverage

We present the invited journal extension of our reject-option work, showing how per-class binomial thresholds translate to dependable abstentions on ImageNet, long-tailed wildlife data, and remote-sensing pipelines. The paper details how to productionize the method with dataset-specific coverage targets, selective accuracy dashboards, and policy deployment checklists for ML and analyst teams.

Highlights

  • Invited journal extension of the ISVC Best Paper that introduces deployment-minded calibration tooling.
  • Per-class binomial thresholds outperform global temperature scaling on ImageNet and remote sensing splits.

Artifacts & reproduction

PyTorch toolkit for per-class reject-option training with binomial threshold search, dashboards, and CLI.

  • Tune per-class thresholds on ImageNet, iNat, or custom datasets with one command.
  • Export coverage/accuracy curves and selective accuracy plots for reports.
  • Integrate abstention policies into existing Torch models via lightweight hooks.
  • Production-ready toolkit that underpins selective prediction guardrails across multiple domains (vision, text, and 2-D data).