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Diffusion models recently have been successfully applied for the visual synthesis of strikingly realistic appearing images. This raises strong concerns about their potential for malicious purposes. In this paper, we propose using the…

Computer Vision and Pattern Recognition · Computer Science 2023-09-29 Peter Lorenz , Ricard Durall , Janis Keuper

High dynamic range (HDR) imaging provides the capability of handling real world lighting as opposed to the traditional low dynamic range (LDR) which struggles to accurately represent images with higher dynamic range. However, most imaging…

Computer Vision and Pattern Recognition · Computer Science 2019-09-05 Demetris Marnerides , Thomas Bashford-Rogers , Jonathan Hatchett , Kurt Debattista

The rapid development of generative AI is a double-edged sword, which not only facilitates content creation but also makes image manipulation easier and more difficult to detect. Although current image forgery detection and localization…

Computer Vision and Pattern Recognition · Computer Science 2025-04-15 Zhipei Xu , Xuanyu Zhang , Runyi Li , Zecheng Tang , Qing Huang , Jian Zhang

With the rapid advancement of deep learning, the field of change detection (CD) in remote sensing imagery has achieved remarkable progress. Existing change detection methods primarily focus on achieving higher accuracy with increased…

Computer Vision and Pattern Recognition · Computer Science 2025-04-16 Chenfeng Xu

Deep learning techniques have become prominent in modern fault diagnosis for complex processes. In particular, convolutional neural networks (CNNs) have shown an appealing capacity to deal with multivariate time-series data by converting…

Computer Vision and Pattern Recognition · Computer Science 2022-10-04 Saif S. S. Al-Wahaibi , Qiugang Lu

The rapid advancement of generative AI has enabled the creation of highly realistic forged facial images, posing significant threats to AI security, digital media integrity, and public trust. Face forgery techniques, ranging from face…

Computer Vision and Pattern Recognition · Computer Science 2025-10-29 Xin Zhang , Yuqi Song , Fei Zuo

Point cloud based place recognition is still an open issue due to the difficulty in extracting local features from the raw 3D point cloud and generating the global descriptor, and it's even harder in the large-scale dynamic environments. In…

Computer Vision and Pattern Recognition · Computer Science 2019-08-20 Zhe Liu , Shunbo Zhou , Chuanzhe Suo , Yingtian Liu , Peng Yin , Hesheng Wang , Yun-Hui Liu

Deepfakes, created using advanced AI techniques such as Variational Autoencoder and Generative Adversarial Networks, have evolved from research and entertainment applications into tools for malicious activities, posing significant threats…

Computer Vision and Pattern Recognition · Computer Science 2025-05-06 Yamini Sri Krubha , Aryana Hou , Braden Vester , Web Walker , Xin Wang , Li Lin , Shu Hu

With the recent progress in Generative Adversarial Networks (GANs), it is imperative for media and visual forensics to develop detectors which can identify and attribute images to the model generating them. Existing works have shown to…

Computer Vision and Pattern Recognition · Computer Science 2021-09-22 Sharath Girish , Saksham Suri , Saketh Rambhatla , Abhinav Shrivastava

Synthesizing high dynamic range (HDR) images from multiple low-dynamic range (LDR) exposures in dynamic scenes is challenging. There are two major problems caused by the large motions of foreground objects. One is the severe misalignment…

Image and Video Processing · Electrical Eng. & Systems 2021-04-07 Yuzhen Niu , Jianbin Wu , Wenxi Liu , Wenzhong Guo , Rynson W. H. Lau

Artificial intelligence (AI) in media has advanced rapidly over the last decade. The introduction of Generative Adversarial Networks (GANs) improved the quality of photorealistic image generation. Diffusion models later brought a new era of…

Computer Vision and Pattern Recognition · Computer Science 2025-11-17 Redwan Hussain , Mizanur Rahman , Prithwiraj Bhattacharjee

The rapid advancement of AI-generation models has enabled the creation of hyperrealistic imagery, posing ethical risks through widespread misinformation. Current deepfake detection methods, categorized as face specific detectors or general…

Computer Vision and Pattern Recognition · Computer Science 2025-08-07 Tianxiao Li , Zhenglin Huang , Haiquan Wen , Yiwei He , Shuchang Lyu , Baoyuan Wu , Guangliang Cheng

Artificial data synthesis is currently a well studied topic with useful applications in data science, computer vision, graphics and many other fields. Generating realistic data is especially challenging since human perception is highly…

Computational Geometry · Computer Science 2019-01-23 Gil Shamai , Ron Slossberg , Ron Kimmel

Point clouds are characterized by irregularity and unstructuredness, which pose challenges in efficient data exploitation and discriminative feature extraction. In this paper, we present an unsupervised deep neural architecture called…

Computer Vision and Pattern Recognition · Computer Science 2023-02-08 Qijian Zhang , Junhui Hou , Yue Qian , Yiming Zeng , Juyong Zhang , Ying He

Remote sensing object detection (RSOD) often suffers from degradations such as low spatial resolution, sensor noise, motion blur, and adverse illumination. These factors diminish feature distinctiveness, leading to ambiguous object…

Computer Vision and Pattern Recognition · Computer Science 2025-10-27 Wei Lu , Si-Bao Chen , Hui-Dong Li , Qing-Ling Shu , Chris H. Q. Ding , Jin Tang , Bin Luo

Texture surface anomaly detection finds widespread applications in industrial settings. However, existing methods often necessitate gathering numerous samples for model training. Moreover, they predominantly operate within a close-set…

Computer Vision and Pattern Recognition · Computer Science 2024-06-12 Haiming Yao , Wei Luo , Yunkang Cao , Yiheng Zhang , Wenyong Yu , Weiming Shen

The goal of unpaired image-to-image translation is to produce an output image reflecting the target domain's style while keeping unrelated contents of the input source image unchanged. However, due to the lack of attention to the content…

Computer Vision and Pattern Recognition · Computer Science 2021-11-22 Guanglei Yang , Hao Tang , Humphrey Shi , Mingli Ding , Nicu Sebe , Radu Timofte , Luc Van Gool , Elisa Ricci

Contrastive learning, which aims to capture general representation from unlabeled images to initialize the medical analysis models, has been proven effective in alleviating the high demand for expensive annotations. Current methods mainly…

Computer Vision and Pattern Recognition · Computer Science 2022-08-18 Huai Chen , Renzhen Wang , Xiuying Wang , Jieyu Li , Qu Fang , Hui Li , Jianhao Bai , Qing Peng , Deyu Meng , Lisheng Wang

GAN-generated image detection now becomes the first line of defense against the malicious uses of machine-synthesized image manipulations such as deepfakes. Although some existing detectors work well in detecting clean, known GAN samples,…

Cryptography and Security · Computer Science 2024-01-08 Chi Liu , Tianqing Zhu , Sheng Shen , Wanlei Zhou

Recent advances in diffusion-based generation techniques enable AI models to produce highly realistic videos, heightening the need for reliable detection mechanisms. However, existing detection methods provide only limited exploration of…

Computer Vision and Pattern Recognition · Computer Science 2025-12-16 Wenhan Chen , Sezer Karaoglu , Theo Gevers