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Closed-loop correction reprogramming for fine-grained visual prompting.

Xueyi Zhang1, Yuan Liao1, Siqi Cai2

  • 1School of Artificial Intelligence, The Chinese University of Hong Kong (Shenzhen), China.

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Summary
This summary is machine-generated.

Closed-loop Correction Reprogramming (CCR) enhances visual reprogramming by iteratively refining attention maps. This method improves fine-grained classification accuracy with minimal parameter increase.

Keywords:
Attention modulationFine-grained classificationParameter-efficient adaptationVisual reprogrammingclosed-loop correction

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Area of Science:

  • Computer Science
  • Artificial Intelligence
  • Machine Learning

Background:

  • Visual Reprogramming (VR) adapts models using pixel-level attention without parameter changes.
  • Existing VR methods struggle with fine-grained tasks due to dispersed attention in critical regions.

Purpose of the Study:

  • To introduce Closed-loop Correction Reprogramming (CCR) for improved fine-grained visual classification.
  • To enhance attention mechanisms in pre-trained models for better task adaptation.

Main Methods:

  • Proposed a dual-stream framework: Foundation Flow for initial attention and Correction Flow for iterative refinement.
  • Implemented a Proportional Adjustment Controller (PAC) to dynamically calibrate correction intensity based on error.
  • Utilized a closed-loop correction principle inspired by PID control theory.

Main Results:

  • Achieved up to 10.8% accuracy gain across 11 datasets with a 0.64% parameter increase.
  • Demonstrated an average improvement of 8.62% on five challenging fine-grained datasets.
  • CCR provides enhanced visual cues, improving discrimination in fine-grained classification tasks.

Conclusions:

  • CCR effectively refines attention maps, overcoming limitations of existing VR methods in fine-grained classification.
  • The proposed framework offers a parameter-efficient approach to enhance model adaptation and performance.
  • CCR shows significant potential for applications requiring precise visual discrimination.