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New CORD adapter preserves top-1 predictions in post-hoc calibration

Researchers have introduced CORD (Calibrator-Output Repair for Top-1 Decision Preservation), a novel post-fit adapter designed to improve post-hoc calibration in machine learning models. CORD ensures that while confidence scores are adjusted, the original top-1 prediction remains unchanged. This method repairs the calibrated probability vector to preserve the initial prediction, thereby achieving a zero Top-1 Prediction Change Rate (TPCR) by construction. Experiments on datasets like CIFAR-10, CIFAR-100, and ImageNet-1K demonstrate that CORD not only preserves predictions but also reduces metrics such as ECE, NLL, and Brier compared to direct calibrated outputs. AI

IMPACT Improves reliability of model confidence scores without sacrificing prediction accuracy.

RANK_REASON The cluster describes a new research paper detailing a novel method for post-hoc calibration in machine learning.

Read on Hugging Face Daily Papers →

AI-generated summary · Google Gemini · from 2 sources. How we write summaries →

New CORD adapter preserves top-1 predictions in post-hoc calibration

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The cluster describes a new research paper detailing a novel method for post-hoc calibration in machine learning.
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COVERAGE [2]

  1. arXiv cs.LG TIER_1 English(EN) · Daehwan Kim, Haejun Chung, Ikbeom Jang ·

    Let Confidence Change, Not the Prediction: Prediction-Preserving Repair for Post-hoc Calibration

    arXiv:2609.01072v1 Announce Type: new Abstract: Post-hoc calibration corrects reported confidence, yet a multiclass calibrator can also change the associated top-1 prediction. Accuracy captures only the net effect of these changes on correctness, not how often predictions change;…

  2. Hugging Face Daily Papers TIER_1 English(EN) ·

    Let Confidence Change, Not the Prediction: Prediction-Preserving Repair for Post-hoc Calibration

    CORD is a post-fit adapter that repairs calibrated probability vectors to exactly preserve original top-1 predictions while maintaining calibration quality.