750 research outputs found
Invisible Watermarking for Audio Generation Diffusion Models
Diffusion models have gained prominence in the image domain for their
capabilities in data generation and transformation, achieving state-of-the-art
performance in various tasks in both image and audio domains. In the rapidly
evolving field of audio-based machine learning, safeguarding model integrity
and establishing data copyright are of paramount importance. This paper
presents the first watermarking technique applied to audio diffusion models
trained on mel-spectrograms. This offers a novel approach to the aforementioned
challenges. Our model excels not only in benign audio generation, but also
incorporates an invisible watermarking trigger mechanism for model
verification. This watermark trigger serves as a protective layer, enabling the
identification of model ownership and ensuring its integrity. Through extensive
experiments, we demonstrate that invisible watermark triggers can effectively
protect against unauthorized modifications while maintaining high utility in
benign audio generation tasks.Comment: This is an invited paper for IEEE TPS, part of the IEEE CIC/CogMI/TPS
2023 conferenc
Infrared thermograms applied to near-field testing
Electromagnetic fields close to radiant structures can be measured quickly using an infrared camera. Examples of induced fields by wire antennas over a detection screen at distances shorter than one wavelength are presented. The measured thermograms agree with simulations that take into account heat propagation on the detection screen.Peer ReviewedPostprint (published version
Infrared thermograms applied to near-field testing
Electromagnetic fields close to radiant structures can be measured quickly using an infrared camera. Examples of induced fields by wire antennas over a detection screen at distances shorter than one wavelength are presented. The measured thermograms agree with simulations that take into account heat propagation on the detection screenPeer ReviewedPostprint (published version
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