2 citations · 2 across the 4 of their papers we have counts for
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Diagonal Artifacts in Samsung Images: PRNU Challenges and Solutions
David Vázquez-Padín, Fernando Pérez-González, Alejandro Martín-Del-Río
We investigate diagonal artifacts present in images captured by several Samsung smartphones and their impact on PRNU-based camera source verification. We first show that certain Ga…
Beyond Spectral Peaks: Interpreting the Cues Behind Synthetic Image Detection
Sara Mandelli, Diego Vila-Portela, David Vázquez-Padín +2
Over the years, the forensics community has proposed several deep learning-based detectors to mitigate the risks of generative AI. Recently, frequency-domain artifacts (particularl…
Apple's Synthetic Defocus Noise Pattern: Characterization and Forensic Applications
David Vázquez-Padín, Fernando Pérez-González, Pablo Pérez-Miguélez
iPhone portrait-mode images contain a distinctive pattern in out-of-focus regions simulating the bokeh effect, which we term Apple's Synthetic Defocus Noise Pattern (SDNP). If over…