CapsFake: A Multimodal Capsule Network for Detecting Instruction-Guided Deepfakes

• URL: http://arxiv.org/abs/2504.19212v1
• Date: Sun, 27 Apr 2025 12:31:47 GMT
• Title: CapsFake: A Multimodal Capsule Network for Detecting Instruction-Guided Deepfakes
• Authors: Tuan Nguyen, Naseem Khan, Issa Khalil,
• Abstract summary: deepfake technology threatens the integrity of digital images by enabling subtle, context-aware manipulations.<n>We propose CapsFake, designed to detect such deepfake image edits by integrating low-level capsules from visual, textual, and frequency-domain modalities.<n>High-level capsules, predicted through a competitive routing mechanism, dynamically aggregate local features to identify manipulated regions with precision.
• Score: 3.2194551406014886
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: The rapid evolution of deepfake technology, particularly in instruction-guided image editing, threatens the integrity of digital images by enabling subtle, context-aware manipulations. Generated conditionally from real images and textual prompts, these edits are often imperceptible to both humans and existing detection systems, revealing significant limitations in current defenses. We propose a novel multimodal capsule network, CapsFake, designed to detect such deepfake image edits by integrating low-level capsules from visual, textual, and frequency-domain modalities. High-level capsules, predicted through a competitive routing mechanism, dynamically aggregate local features to identify manipulated regions with precision. Evaluated on diverse datasets, including MagicBrush, Unsplash Edits, Open Images Edits, and Multi-turn Edits, CapsFake outperforms state-of-the-art methods by up to 20% in detection accuracy. Ablation studies validate its robustness, achieving detection rates above 94% under natural perturbations and 96% against adversarial attacks, with excellent generalization to unseen editing scenarios. This approach establishes a powerful framework for countering sophisticated image manipulations.

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