AMIF: Authorizable Medical Image Fusion Model with Built-in Authentication

• URL: http://arxiv.org/abs/2603.24296v1
• Date: Wed, 25 Mar 2026 13:34:22 GMT
• Title: AMIF: Authorizable Medical Image Fusion Model with Built-in Authentication
• Abstract summary: A powerful multimodal image fusion model relies on high-quality, clinically representative multimodal training data.<n>Current image fusion models generate fused outputs without built-in mechanisms to safeguard intellectual property rights.<n>We propose AMIF, the first Authorizable Medical Image Fusion model with built-in authentication.
• Score: 61.10547481840624
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Multimodal image fusion enables precise lesion localization and characterization for accurate diagnosis, thereby strengthening clinical decision-making and driving its growing prominence in medical imaging research. A powerful multimodal image fusion model relies on high-quality, clinically representative multimodal training data and a rigorously engineered model architecture. Therefore, the development of such professional radiomics models represents a collaborative achievement grounded in standardized acquisition, clinical-specific expertise, and algorithmic design proficiency, which necessitates protection of associated intellectual property rights. However, current multimodal image fusion models generate fused outputs without built-in mechanisms to safeguard intellectual property rights, inadvertently exposing proprietary model knowledge and sensitive training data through inference leakage. For example, malicious users can exploit fusion outputs and model distillation or other inference-based reverse engineering techniques to approximate the fusion performance of proprietary models. To address this issue, we propose AMIF, the first Authorizable Medical Image Fusion model with built-in authentication, which integrates authorization access control into the image fusion objective. For unauthorized usage, AMIF embeds explicit and visible copyright identifiers into fusion results. In contrast, high-quality fusion results are accessible upon successful key-based authentication.

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