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Learning-based methods especially with convolutional neural networks (CNN) are continuously showing superior performance in computer vision applications, ranging from image classification to restoration. For image classification, most…

Computer Vision and Pattern Recognition · Computer Science 2021-01-26 Xiaoyu Lin

CT images corrupted by metal artifacts have serious negative effects on clinical diagnosis. Considering the difficulty of collecting paired data with ground truth in clinical settings, unsupervised methods for metal artifact reduction are…

Computer Vision and Pattern Recognition · Computer Science 2023-07-31 Wangduo Xie , Matthew B. Blaschko

We propose a simple and application-friendly network (called SimpleNet) for detecting and localizing anomalies. SimpleNet consists of four components: (1) a pre-trained Feature Extractor that generates local features, (2) a shallow Feature…

Computer Vision and Pattern Recognition · Computer Science 2023-03-29 Zhikang Liu , Yiming Zhou , Yuansheng Xu , Zilei Wang

With the proliferation of face image manipulation (FIM) techniques such as Face2Face and Deepfake, more fake face images are spreading over the internet, which brings serious challenges to public confidence. Face image forgery detection has…

Computer Vision and Pattern Recognition · Computer Science 2020-12-18 Zhiqing Guo , Gaobo Yang , Jiyou Chen , Xingming Sun

As deep image forgery powered by AI generative models, such as GANs, continues to challenge today's digital world, detecting AI-generated forgeries has become a vital security topic. Generalizability and robustness are two critical concerns…

Cryptography and Security · Computer Science 2025-11-26 Chi Liu , Tianqing Zhu , Wanlei Zhou , Wei Zhao

Videos are prone to tampering attacks that alter the meaning and deceive the audience. Previous video forgery detection schemes find tiny clues to locate the tampered areas. However, attackers can successfully evade supervision by…

Computer Vision and Pattern Recognition · Computer Science 2022-07-08 Yangming Zhou , Qichao Ying , Xiangyu Zhang , Zhenxing Qian , Sheng Li , Xinpeng Zhang

Diffusion Language Models (DLMs) have recently achieved significant success due to their any-order generation capabilities. However, existing inference methods typically rely on local, immediate-step metrics such as confidence or entropy…

Computation and Language · Computer Science 2025-12-03 Kecheng Chen , Ziru Liu , Xijia Tao , Hui Liu , Xinyu Fu , Suiyun Zhang , Dandan Tu , Lingpeng Kong , Rui Liu , Haoliang Li

We present DOCFORGE-BENCH, the first unified zero-shot benchmark for document forgery detection, evaluating 14 methods across eight datasets spanning text tampering, receipt forgery, and identity document manipulation. Unlike…

Computer Vision and Pattern Recognition · Computer Science 2026-03-11 Zengqi Zhao , Weidi Xia , En Wei , Yan Zhang , Jane Mo , Tiannan Zhang , Yuanqin Dai , Zexi Chen , Yiran Tao , Simiao Ren

How to extract significant point cloud features and estimate the pose between them remains a challenging question, due to the inherent lack of structure and ambiguous order permutation of point clouds. Despite significant improvements in…

Computer Vision and Pattern Recognition · Computer Science 2021-12-14 Zhu Xu , Zhengyao Bai , Huijie Liu , Qianjie Lu , Shenglan Fan

CNNs perform remarkably well when the training and test distributions are i.i.d, but unseen image corruptions can cause a surprisingly large drop in performance. In various real scenarios, unexpected distortions, such as random noise,…

Computer Vision and Pattern Recognition · Computer Science 2021-03-31 Tonmoy Saikia , Cordelia Schmid , Thomas Brox

Diffusion-based editing enables realistic modification of local image regions, making AI-generated content harder to detect. Existing AIGC detection benchmarks focus on classifying entire images, overlooking the localization of…

Computer Vision and Pattern Recognition · Computer Science 2025-11-27 Hai Ci , Ziheng Peng , Pei Yang , Yingxin Xuan , Mike Zheng Shou

Achieving robustness in image segmentation models is challenging due to the fine-grained nature of pixel-level classification. These models, which are crucial for many real-time perception applications, particularly struggle when faced with…

Computer Vision and Pattern Recognition · Computer Science 2025-06-17 Laura Zheng , Wenjie Wei , Tony Wu , Jacob Clements , Shreelekha Revankar , Andre Harrison , Yu Shen , Ming C. Lin

As JPEG is the most widely used image format, the importance of tampering detection for JPEG images in blind forensics is self-evident. In this area, extracting effective statistical characteristics from a JPEG image for classification…

Computer Vision and Pattern Recognition · Computer Science 2019-04-05 Cheng Deng , Zhao Li , Xinbo Gao , Dacheng Tao

Deep learning has shown remarkable success in remote sensing change detection (CD), aiming to identify semantic change regions between co-registered satellite image pairs acquired at distinct time stamps. However, existing convolutional…

Computer Vision and Pattern Recognition · Computer Science 2024-03-27 Mubashir Noman , Mustansar Fiaz , Hisham Cholakkal , Salman Khan , Fahad Shahbaz Khan

Manipulation tools that realistically edit images are widely available, making it easy for anyone to create and spread misinformation. In an attempt to fight fake news, forgery detection and localization methods were designed. However,…

Computer Vision and Pattern Recognition · Computer Science 2022-10-06 Hannes Mareen , Dante Vanden Bussche , Fabrizio Guillaro , Davide Cozzolino , Glenn Van Wallendael , Peter Lambert , Luisa Verdoliva

Nowadays document analysis and recognition remain challenging tasks. However, only a few datasets designed for text detection (TD) and optical character recognition (OCR) problems exist. In this paper we present Distorted Document Images…

Computer Vision and Pattern Recognition · Computer Science 2021-09-20 Ilia Zharikov , Filipp Nikitin , Ilia Vasiliev , Vladimir Dokholyan

Text-image composed retrieval aims to retrieve the target image through the composed query, which is specified in the form of an image plus some text that describes desired modifications to the input image. It has recently attracted…

Computer Vision and Pattern Recognition · Computer Science 2023-12-01 Shitong Sun , Jindong Gu , Shaogang Gong

Graph anomaly detection (GAD) is increasingly crucial in various applications, ranging from financial fraud detection to fake news detection. However, current GAD methods largely overlook the fairness problem, which might result in…

Machine Learning · Computer Science 2025-03-04 Wenjing Chang , Kay Liu , Philip S. Yu , Jianjun Yu

With the rapid advancement of generative models, the visual quality of generated images has become nearly indistinguishable from the real ones, posing challenges to content authenticity verification. Existing methods for detecting…

Computer Vision and Pattern Recognition · Computer Science 2025-01-24 JiaXin Chen , Miao Hu , DengYong Zhang , Yun Song , Xin Liao

Image deraining is a fundamental, yet not well-solved problem in computer vision and graphics. The traditional image deraining approaches commonly behave ineffectively in medium and heavy rain removal, while the learning-based ones lead to…

Image and Video Processing · Electrical Eng. & Systems 2019-08-29 Sen Deng , Mingqiang Wei , Jun Wang , Luming Liang , Haoran Xie , Meng Wang