A nonlinear scaling-based normalized metal artifact reduction to reduce low-frequency artifacts in energy-integrating and photon-counting CT.
Sign Up to like & getrecommendations! Published in 2023 at "Medical physics"
DOI: 10.1002/mp.16461
Abstract: BACKGROUND Metal within the scan plane can cause severe artifacts when reconstructing X-ray computed tomography (CT) scans. Both in clinical use and recent research, normalized metal artifact reduction (NMAR) has established as the reference method… read more here.
Keywords: frequency artifacts; low frequency; artifact reduction; interpolation ... See more keywords
High-Frequency Artifacts-Resistant Image Watermarking Applicable to Image Processing Models
Sign Up to like & getrecommendations! Published in 2024 at "Applied Sciences"
DOI: 10.3390/app14041494
Abstract: With the extensive adoption of generative models across various domains, the protection of copyright for these models has become increasingly vital. Some researchers suggest embedding watermarks in the images generated by these models as a… read more here.
Keywords: frequency; image; frequency artifacts; imperceptibility ... See more keywords
Deep Metric Color Embeddings for Splicing Localization in Severely Degraded Images
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Information Forensics and Security"
DOI: 10.48550/arxiv.2206.10737
Abstract: One common task in image forensics is to detect spliced images, where multiple source images are composed to one output image. Most of the currently best performing splicing detectors leverage high-frequency artifacts. However, after an… read more here.
Keywords: high frequency; color; frequency artifacts; space ... See more keywords