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Video editing is an emerging task, in which most current methods adopt the pre-trained text-to-image (T2I) diffusion model to edit the source video in a zero-shot manner. Despite extensive efforts, maintaining the temporal consistency of…

计算机视觉与模式识别 · 计算机科学 2024-12-10 Jiangshan Wang , Yue Ma , Jiayi Guo , Yicheng Xiao , Gao Huang , Xiu Li

Background: Underwater images, in general, suffer from low contrast and high color distortions due to the non-uniform attenuation of the light as it propagates through the water. In addition, the degree of attenuation varies with the…

图像与视频处理 · 电气工程与系统科学 2022-01-20 Prasen Kumar Sharma , Ira Bisht , Arijit Sur

Watermarking the outputs of generative models is a crucial technique for tracing copyright and preventing potential harm from AI-generated content. In this paper, we introduce a novel technique called Tree-Ring Watermarking that robustly…

机器学习 · 计算机科学 2023-07-06 Yuxin Wen , John Kirchenbauer , Jonas Geiping , Tom Goldstein

The rapid advancement of generative AI has underscored the critical need for identifying image ownership and protecting copyrights. This makes post-processing image watermarking an essential tool -- it involves embedding a specific…

密码学与安全 · 计算机科学 2026-05-12 Xinyu Zhang , Ziping Dong , Qingyu Liu , Yuan Hong , Zhongjie Ba , Kui Ren

AI-generated video has revolutionized short video production, filmmaking, and personalized media, making video local editing an essential tool. However, this progress also blurs the line between reality and fiction, posing challenges in…

计算机视觉与模式识别 · 计算机科学 2024-11-15 Xuanyu Zhang , Youmin Xu , Runyi Li , Jiwen Yu , Weiqi Li , Zhipei Xu , Jian Zhang

Building on the success of diffusion models in visual generation, flow-based models reemerge as another prominent family of generative models that have achieved competitive or better performance in terms of both visual quality and inference…

计算机视觉与模式识别 · 计算机科学 2024-09-27 Wenliang Zhao , Minglei Shi , Xumin Yu , Jie Zhou , Jiwen Lu

Scene flow estimation, which aims to predict per-point 3D displacements of dynamic scenes, is a fundamental task in the computer vision field. However, previous works commonly suffer from unreliable correlation caused by locally constrained…

计算机视觉与模式识别 · 计算机科学 2024-05-13 Jiuming Liu , Guangming Wang , Weicai Ye , Chaokang Jiang , Jinru Han , Zhe Liu , Guofeng Zhang , Dalong Du , Hesheng Wang

Reconstructing PDE-governed fields from sparse and irregular measurements is challenging due to their ill-posed nature. Deterministic surrogates are trained on dense fields that struggle with limited measurements and uncertainty…

机器学习 · 计算机科学 2026-05-18 Hao Zhou , Rui Zhang , Han Wan , Hao Sun

The rapid advancement of text-to-image generation systems, exemplified by models like Stable Diffusion, Midjourney, Imagen, and DALL-E, has heightened concerns about their potential misuse. In response, companies like Meta and Google have…

计算机视觉与模式识别 · 计算机科学 2024-08-21 Niyar R Barman , Krish Sharma , Ashhar Aziz , Shashwat Bajpai , Shwetangshu Biswas , Vasu Sharma , Vinija Jain , Aman Chadha , Amit Sheth , Amitava Das

Diffusion transformers have recently delivered strong text-to-image generation around 1K resolution, but we show that extending them to native 4K across diverse aspect ratios exposes a tightly coupled failure mode spanning positional…

计算机视觉与模式识别 · 计算机科学 2025-11-25 Tian Ye , Song Fei , Lei Zhu

Text-to-video editing aims to edit the visual appearance of a source video conditional on textual prompts. A major challenge in this task is to ensure that all frames in the edited video are visually consistent. Most recent works apply…

计算机视觉与模式识别 · 计算机科学 2024-03-04 Yuren Cong , Mengmeng Xu , Christian Simon , Shoufa Chen , Jiawei Ren , Yanping Xie , Juan-Manuel Perez-Rua , Bodo Rosenhahn , Tao Xiang , Sen He

Digital watermarking is the process of embedding secret information by altering images in an undetectable way to the human eye. To increase the robustness of the model, many deep learning-based watermarking methods use the…

多媒体 · 计算机科学 2024-05-20 Sijing Xie , Chengxin Zhao , Nan Sun , Wei Li , Hefei Ling

Watermarking is a commonly used strategy to protect creators' rights to digital images, videos and audio. Recently, watermarking methods have been extended to deep learning models -- in principle, the watermark should be preserved when an…

Modern text-to-video (T2V) diffusion models can synthesize visually compelling clips, yet they remain brittle at fine-scale structure: even state-of-the-art generators often produce distorted faces and hands, warped backgrounds, and…

计算机视觉与模式识别 · 计算机科学 2025-12-16 Tejas Panambur , Ishan Rajendrakumar Dave , Chongjian Ge , Ersin Yumer , Xue Bai

Watermarking has emerged as a promising technique to track AI-generated content and differentiate it from authentic human creations. While prior work extensively studies watermarking for autoregressive large language models (LLMs) and image…

密码学与安全 · 计算机科学 2026-02-16 Avi Bagchi , Akhil Bhimaraju , Moulik Choraria , Daniel Alabi , Lav R. Varshney

Watermarking generative content serves as a vital tool for authentication, ownership protection, and mitigation of potential misuse. Existing watermarking methods face the challenge of balancing robustness and concealment. They empirically…

计算机视觉与模式识别 · 计算机科学 2025-04-04 Huayang Huang , Yu Wu , Qian Wang

Rapid advancements in multimodal large language models have enabled the creation of hyper-realistic images from textual descriptions. However, these advancements also raise significant concerns about unauthorized use, which hinders their…

多媒体 · 计算机科学 2024-12-17 Yongyang Pan , Xiaohong Liu , Siqi Luo , Yi Xin , Xiao Guo , Xiaoming Liu , Xiongkuo Min , Guangtao Zhai

Invisible image watermarking can protect image ownership and prevent malicious misuse of visual generative models. However, existing generative watermarking methods are mainly designed for diffusion models while watermarking for…

计算机视觉与模式识别 · 计算机科学 2025-05-21 Yu Tong , Zihao Pan , Shuai Yang , Kaiyang Zhou

In unsecured network environments, ownership protection of digital contents, such as images, is becoming a growing concern. Different watermarking methods have been proposed to address the copyright protection of digital materials.…

多媒体 · 计算机科学 2020-04-08 Mahsa Kadkhodaei , Shadrokh Samavi

Text-to-Image (T2I) diffusion models have achieved remarkable success in synthesizing high-quality images conditioned on text prompts. Recent methods have tried to replicate the success by either training text-to-video (T2V) models on a…

计算机视觉与模式识别 · 计算机科学 2023-12-04 Nazmul Karim , Umar Khalid , Mohsen Joneidi , Chen Chen , Nazanin Rahnavard