Image anomalies: A review and synthesis of detection methods
We review the broad variety of methods that have been proposed for anomaly detection in
images. Most methods found in the literature have in mind a particular application. Yet we …
images. Most methods found in the literature have in mind a particular application. Yet we …
A critical literature survey and prospects on tampering and anomaly detection in image data
Concernings related to image security have increased in the last years. One of the main
reasons relies on the replacement of conventional photography to digital images, once the …
reasons relies on the replacement of conventional photography to digital images, once the …
Glad: A global-to-local anomaly detector
Learning to detect automatic anomalies in production plants remains a machine learning
challenge. Since anomalies by definition cannot be learned, their detection must rely on a …
challenge. Since anomalies by definition cannot be learned, their detection must rely on a …
Jade owl: Jpeg 2000 forensics by wavelet offset consistency analysis
Q Bammey - 2023 8th International Conference on Image …, 2023 - ieeexplore.ieee.org
In a world teeming with digital images, the credibility of visual data has become of
paramount importance. While it is now simpler than ever to manipulate an image for …
paramount importance. While it is now simpler than ever to manipulate an image for …
Denoising: A powerful building-block for imaging, inverse problems, and machine learning
P Milanfar, M Delbracio - arXiv preprint arXiv:2409.06219, 2024 - arxiv.org
Denoising, the process of reducing random fluctuations in a signal to emphasize essential
patterns, has been a fundamental problem of interest since the dawn of modern scientific …
patterns, has been a fundamental problem of interest since the dawn of modern scientific …
Jpeg grid detection based on the number of dct zeros and its application to automatic and localized forgery detection
This work proposes a novel method for detecting JPEG compression, as well as its grid
origin, based on counting the number of zeros in the DCT of 8× 8 blocks. When applied …
origin, based on counting the number of zeros in the DCT of 8× 8 blocks. When applied …
U-flow: A u-shaped normalizing flow for anomaly detection with unsupervised threshold
In this work, we propose a one-class self-supervised method for anomaly segmentation in
images that benefits from both a modern machine learning approach and a more classic …
images that benefits from both a modern machine learning approach and a more classic …
Semi-supervised anomaly detection for visual quality inspection
In this paper a semi-supervised method for the detection of anomalies in both texture-and
object-based product images is presented. The method exploits a pre-trained Convolutional …
object-based product images is presented. The method exploits a pre-trained Convolutional …
CNN-based minor fabric defects detection
Z Wen, Q Zhao, L Tong - International Journal of Clothing Science and …, 2021 - emerald.com
Purpose The purpose of this paper is to present a novel method for minor fabric defects
detection. Design/methodology/approach This paper proposes a PETM-CNN algorithm …
detection. Design/methodology/approach This paper proposes a PETM-CNN algorithm …
How to reduce anomaly detection in images to anomaly detection in noise
Anomaly detectors address the difficult problem of detecting automatically exceptions in a
background image, that can be as diverse as a fabric or a mammography. Detection …
background image, that can be as diverse as a fabric or a mammography. Detection …