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Data augmentation is widely used to enhance generalization in visual classification tasks. However, traditional methods struggle when source and target domains differ, as in domain adaptation, due to their inability to address domain gaps.…

Computer Vision and Pattern Recognition · Computer Science 2025-09-30 Khawar Islam , Muhammad Zaigham Zaheer , Arif Mahmood , Karthik Nandakumar , Naveed Akhtar

Due to the outstanding capability for data generation, Generative Adversarial Networks (GANs) have attracted considerable attention in unsupervised learning. However, training GANs is difficult, since the training distribution is dynamic…

Computer Vision and Pattern Recognition · Computer Science 2023-04-11 Haozhe Liu , Wentian Zhang , Bing Li , Haoqian Wu , Nanjun He , Yawen Huang , Yuexiang Li , Bernard Ghanem , Yefeng Zheng

Medical Image Synthesis (MIS) plays an important role in the intelligent medical field, which greatly saves the economic and time costs of medical diagnosis. However, due to the complexity of medical images and similar characteristics of…

Image and Video Processing · Electrical Eng. & Systems 2025-03-07 Zhihan Ju , Wanting Zhou , Longteng Kong , Yu Chen , Yi Li , Zhenan Sun , Caifeng Shan

The rapid advancement of AI-generated content (AIGC) has escalated the threat of deepfakes, from facial manipulations to the synthesis of entire photorealistic human bodies. However, existing detection methods remain fragmented,…

Computer Vision and Pattern Recognition · Computer Science 2026-01-09 Xiao Guo , Jie Zhu , Anil Jain , Xiaoming Liu

The rapid proliferation of highly realistic AI-generated images poses serious security threats such as misinformation and identity fraud. Detecting generated images in open-world settings is particularly challenging when they originate from…

Cryptography and Security · Computer Science 2026-01-19 Li Wang , Wenyu Chen , Xiangtao Meng , Zheng Li , Shanqing Guo

Remote sensing image scene classification remains a challenging task, primarily due to the complex spatial structures and multi-scale characteristics of ground objects. Although CNN-based methods excel at extracting local inductive biases,…

Computer Vision and Pattern Recognition · Computer Science 2026-01-15 Yuanhao Tang , Xuechao Zou , Zhengpei Hu , Junliang Xing , Chengkun Zhang , Jianqiang Huang

Synthetic image generation has opened up new opportunities but has also created threats in regard to privacy, authenticity, and security. Detecting fake images is of paramount importance to prevent illegal activities, and previous research…

Computer Vision and Pattern Recognition · Computer Science 2023-02-27 Md Awsafur Rahman , Bishmoy Paul , Najibul Haque Sarker , Zaber Ibn Abdul Hakim , Shaikh Anowarul Fattah

Despite recent advancements, text-to-image generation models often produce images containing artifacts, especially in human figures. These artifacts appear as poorly generated human bodies, including distorted, missing, or extra body parts,…

Computer Vision and Pattern Recognition · Computer Science 2025-03-11 Kaihong Wang , Lingzhi Zhang , Jianming Zhang

The rapid growth of high-resolution, meticulously crafted AI-generated images poses a significant challenge to existing detection methods, which are often trained and evaluated on low-resolution, automatically generated datasets that do not…

Computer Vision and Pattern Recognition · Computer Science 2025-08-26 Lianrui Mu , Zou Xingze , Jianhong Bai , Jiaqi Hu , Wenjie Zheng , Jiangnan Ye , Jiedong Zhuang , Mudassar Ali , Jing Wang , Haoji Hu

Deepfake detection remains highly challenging, particularly in cross-dataset scenarios and complex real-world settings. This challenge mainly arises because artifact patterns vary substantially across different forgery methods, whereas…

Computer Vision and Pattern Recognition · Computer Science 2026-04-14 Xiang Zhang , Wenliang Weng , Daoyong Fu , Beijing Chen , Ziqiang Li , Ziwen He , Zhangjie Fu

The recurrent structure is a prevalent framework for the task of video super-resolution, which models the temporal dependency between frames via hidden states. When applied to real-world scenarios with unknown and complex degradations,…

Computer Vision and Pattern Recognition · Computer Science 2022-12-15 Liangbin Xie , Xintao Wang , Shuwei Shi , Jinjin Gu , Chao Dong , Ying Shan

Generative diffusion models show promise for data augmentation. However, applying them to fine-grained tasks presents a significant challenge: ensuring synthetic images accurately capture the subtle, category-defining features critical for…

Computer Vision and Pattern Recognition · Computer Science 2025-12-02 Zhiguang Lu , Qianqian Xu , Peisong Wen , Siran Dai , Qingming Huang

Deep convolutional neural networks require large amounts of labeled data samples. For many real-world applications, this is a major limitation which is commonly treated by augmentation methods. In this work, we address the problem of…

Computer Vision and Pattern Recognition · Computer Science 2022-08-01 Christoph Reinders , Frederik Schubert , Bodo Rosenhahn

We propose the first unified theoretical analysis of mixed sample data augmentation (MSDA), such as Mixup and CutMix. Our theoretical results show that regardless of the choice of the mixing strategy, MSDA behaves as a pixel-level…

Machine Learning · Computer Science 2022-08-23 Chanwoo Park , Sangdoo Yun , Sanghyuk Chun

To address the issues of MixUp and its variants (e.g., Manifold MixUp) in image classification tasks-namely, their neglect of mixing within the same class (intra-class mixup) and their inadequacy in enhancing intra-class cohesion through…

Computer Vision and Pattern Recognition · Computer Science 2024-03-26 Ye Xu , Ya Gao , Xiaorong Qiu , Yang Chen , Ying Ji

Deepfake detection faces a critical generalization hurdle, with performance deteriorating when there is a mismatch between the distributions of training and testing data. A broadly received explanation is the tendency of these detectors to…

Computer Vision and Pattern Recognition · Computer Science 2024-03-29 Zhiyuan Yan , Yuhao Luo , Siwei Lyu , Qingshan Liu , Baoyuan Wu

Image alignment and image restoration are classical computer vision tasks. However, there is still a lack of datasets that provide enough data to train and evaluate end-to-end deep learning models. Obtaining ground-truth data for image…

Computer Vision and Pattern Recognition · Computer Science 2024-03-05 Monika Kwiatkowski , Simon Matern , Olaf Hellwich

Augmentation for dense prediction typically relies on either sample mixing or generative synthesis. Mixing improves robustness but misaligned masks yield soft label ambiguity. Diffusion synthesis increases apparent diversity but, when…

Computer Vision and Pattern Recognition · Computer Science 2025-11-06 Pengyu Jie , Wanquan Liu , Rui He , Yihui Wen , Deyu Meng , Chenqiang Gao

Detecting transparent objects in natural scenes is challenging due to the low contrast in texture, brightness and colors. Recent deep-learning-based works reveal that it is effective to leverage boundaries for transparent object detection…

Computer Vision and Pattern Recognition · Computer Science 2021-10-20 Yang Cao , Zhengqiang Zhang , Enze Xie , Qibin Hou , Kai Zhao , Xiangui Luo , Jian Tuo

High Dynamic Range (HDR) imaging aims to reproduce the wide range of brightness levels present in natural scenes, which the human visual system can perceive but conventional digital cameras often fail to capture due to their limited dynamic…

Image and Video Processing · Electrical Eng. & Systems 2025-10-28 Kumbha Nagaswetha