GRIDEX is the first pipeline to generate grid-grounded structured forensic explanations for deepfake spectrogram anomalies using a two-stage SFT plus GRPO training process on vision-language models.
Available: https://www.frontiersin.org/journals/ neuroscience/articles/10.3389/fnins.2025.1692122
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GRIDEX: Grid-Grounded Forensic Explanations for Deepfake Spectrogram Analysis
GRIDEX is the first pipeline to generate grid-grounded structured forensic explanations for deepfake spectrogram anomalies using a two-stage SFT plus GRPO training process on vision-language models.