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相关论文: Contrasting Deepfakes Diffusion via Contrastive Le…

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Deep generative models can create remarkably photorealistic fake images while raising concerns about misinformation and copyright infringement, known as deepfake threats. Deepfake detection technique is developed to distinguish between real…

计算机视觉与模式识别 · 计算机科学 2024-08-22 You-Ming Chang , Chen Yeh , Wei-Chen Chiu , Ning Yu

CLIP is a discriminative model trained to align images and text in a shared embedding space. Due to its multimodal structure, it serves as the backbone of many generative pipelines, where a decoder is trained to map from the shared space…

计算机视觉与模式识别 · 计算机科学 2025-06-05 Antonio D'Orazio , Maria Rosaria Briglia , Donato Crisostomi , Dario Loi , Emanuele Rodolà , Iacopo Masi

This paper present a comprehensive comparative analysis of supervised and self-supervised models for deepfake detection. We evaluate eight supervised deep learning architectures and two transformer-based models pre-trained using…

计算机视觉与模式识别 · 计算机科学 2023-08-08 Sohail Ahmed Khan , Duc-Tien Dang-Nguyen

To extract robust deep representations from long sequential modeling of speech data, we propose a self-supervised learning approach, namely Contrastive Separative Coding (CSC). Our key finding is to learn such representations by separating…

音频与语音处理 · 电气工程与系统科学 2021-03-02 Jun Wang , Max W. Y. Lam , Dan Su , Dong Yu

The rapid advancement of deepfake generation techniques poses significant threats to public safety and causes societal harm through the creation of highly realistic synthetic facial media. While existing detection methods demonstrate…

计算机视觉与模式识别 · 计算机科学 2026-03-03 Jianfeng Liao , Yichen Wei , Raymond Chan Ching Bon , Shulan Wang , Kam-Pui Chow , Kwok-Yan Lam

Generating images from graph-structured inputs, such as scene graphs, is uniquely challenging due to the difficulty of aligning nodes and connections in graphs with objects and their relations in images. Most existing methods address this…

计算机视觉与模式识别 · 计算机科学 2022-11-22 Ling Yang , Zhilin Huang , Yang Song , Shenda Hong , Guohao Li , Wentao Zhang , Bin Cui , Bernard Ghanem , Ming-Hsuan Yang

Learning node-level representations of heterophilic graphs is crucial for various applications, including fraudster detection and protein function prediction. In such graphs, nodes share structural similarity identified by the equivalence…

机器学习 · 计算机科学 2023-08-22 Asif Khan , Amos Storkey

Leveraging StyleGAN's expressivity and its disentangled latent codes, existing methods can achieve realistic editing of different visual attributes such as age and gender of facial images. An intriguing yet challenging problem arises: Can…

计算机视觉与模式识别 · 计算机科学 2022-07-13 Yingchen Yu , Fangneng Zhan , Rongliang Wu , Jiahui Zhang , Shijian Lu , Miaomiao Cui , Xuansong Xie , Xian-Sheng Hua , Chunyan Miao

Deepfake technology has raised concerns about the authenticity of digital content, necessitating the development of effective detection methods. However, the widespread availability of deepfakes has given rise to a new challenge in the form…

计算机视觉与模式识别 · 计算机科学 2024-03-15 Sarwar Khan

After pre-training on extensive image-text pairs, Contrastive Language-Image Pre-training (CLIP) demonstrates promising performance on a wide variety of benchmarks. However, a substantial volume of multimodal interleaved documents remains…

计算机视觉与模式识别 · 计算机科学 2025-08-06 Tiancheng Gu , Kaicheng Yang , Chaoyi Zhang , Yin Xie , Xiang An , Ziyong Feng , Dongnan Liu , Weidong Cai , Jiankang Deng

The increasing realism and accessibility of deepfakes have raised critical concerns about media authenticity and information integrity. Despite recent advances, deepfake detection models often struggle to generalize beyond their training…

计算机视觉与模式识别 · 计算机科学 2025-11-11 Stelios Mylonas , Symeon Papadopoulos

Detecting falsified faces generated by Deepfake technology is essential for safeguarding trust in digital communication and protecting individuals. However, current detectors often suffer from a dual-overfitting: they become overly…

计算机视觉与模式识别 · 计算机科学 2025-10-10 Xinan He , Yue Zhou , Shu Hu , Bin Li , Jiwu Huang , Feng Ding

Recent generative models demonstrate impressive performance on synthesizing photographic images, which makes humans hardly to distinguish them from pristine ones, especially on realistic-looking synthetic facial images. Previous works…

计算机视觉与模式识别 · 计算机科学 2025-01-15 Hao Wang , Cheng Deng , Zhidong Zhao

Counterfeit apps impersonate existing popular apps in attempts to misguide users to install them for various reasons such as collecting personal information or spreading malware. Many counterfeits can be identified once installed, however…

In this paper, we introduce a contrastive learning framework for keypoint detection (CoKe). Keypoint detection differs from other visual tasks where contrastive learning has been applied because the input is a set of images in which…

计算机视觉与模式识别 · 计算机科学 2022-12-06 Yutong Bai , Angtian Wang , Adam Kortylewski , Alan Yuille

Current image quality assessment methods are heavily biased towards global distortions (e.g., noise, blur), neglecting local perceptual artifacts such as ghosting, lens flare, and moire effects. Although significant progress has been made…

计算机视觉与模式识别 · 计算机科学 2026-05-12 Juan Wang , Xinyu Sun , Ke Zhang , Jin Wang , Bing Li , Weiming Hu , Liang Wang

Recent self-supervised models have demonstrated equal or better performance than supervised methods, opening for AI systems to learn visual representations from practically unlimited data. However, these methods are typically…

计算机视觉与模式识别 · 计算机科学 2022-10-10 Robin Karlsson , Tomoki Hayashi , Keisuke Fujii , Alexander Carballo , Kento Ohtani , Kazuya Takeda

The rapid advancement of generative AI has enabled the mass production of photorealistic synthetic images, blurring the boundary between authentic and fabricated visual content. This challenge is particularly evident in deepfake scenarios…

计算机视觉与模式识别 · 计算机科学 2025-09-30 Minsun Jeon , Simon S. Woo

Despite the recent attention to DeepFakes, one of the most prevalent ways to mislead audiences on social media is the use of unaltered images in a new but false context. To address these challenges and support fact-checkers, we propose a…

计算机视觉与模式识别 · 计算机科学 2021-04-23 Shivangi Aneja , Chris Bregler , Matthias Nießner

Learning good representations involves capturing the diverse ways in which data samples relate. Contrastive loss - an objective matching related samples - underlies methods from self-supervised to multimodal learning. Contrastive losses,…

计算机视觉与模式识别 · 计算机科学 2024-09-13 Vlad Sobal , Mark Ibrahim , Randall Balestriero , Vivien Cabannes , Diane Bouchacourt , Pietro Astolfi , Kyunghyun Cho , Yann LeCun