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Video Anomaly Detection (VAD) is an essential yet challenging task in signal processing. Since certain anomalies cannot be detected by isolated analysis of either temporal or spatial information, the interaction between these two types of…

计算机视觉与模式识别 · 计算机科学 2023-07-07 Zhiyuan Ning , Zhangxun Li , Zhengliang Guo , Zile Wang , Liang Song

Diffusion Transformer (DiT) models have achieved unprecedented quality in image and video generation, yet their iterative sampling process remains computationally prohibitive. To accelerate inference, feature caching methods have emerged by…

计算机视觉与模式识别 · 计算机科学 2026-01-13 Guantao Chen , Shikang Zheng , Yuqi Lin , Linfeng Zhang

In medical imaging, 4D MRI enables dynamic 3D visualization, yet the trade-off between spatial and temporal resolution requires prolonged scan time that can compromise temporal fidelity--especially during rapid, large-amplitude motion.…

图像与视频处理 · 电气工程与系统科学 2025-06-10 Xuanru Zhou , Jiarun Liu , Shoujun Yu , Hao Yang , Cheng Li , Tao Tan , Shanshan Wang

Video face swapping is becoming increasingly popular across various applications, yet existing methods primarily focus on static images and struggle with video face swapping because of temporal consistency and complex scenarios. In this…

计算机视觉与模式识别 · 计算机科学 2024-12-17 Hao Shao , Shulun Wang , Yang Zhou , Guanglu Song , Dailan He , Shuo Qin , Zhuofan Zong , Bingqi Ma , Yu Liu , Hongsheng Li

Standard Latent Diffusion Models rely on a complex, three-part architecture consisting of a separate encoder, decoder, and diffusion network, which are trained in multiple stages. This modular design is computationally inefficient, leads to…

计算机视觉与模式识别 · 计算机科学 2025-11-19 Xiyuan Wang , Muhan Zhang

Developing blind video deflickering (BVD) algorithms to enhance video temporal consistency, is gaining importance amid the flourish of image processing and video generation. However, the intricate nature of video data complicates the…

计算机视觉与模式识别 · 计算机科学 2024-03-12 Xinmin Qiu , Congying Han , Zicheng Zhang , Bonan Li , Tiande Guo , Pingyu Wang , Xuecheng Nie

In this work, we investigate diffusion-based video prediction models, which forecast future video frames, for continuous video streams. In this context, the models observe continuously new training samples, and we aim to leverage this to…

计算机视觉与模式识别 · 计算机科学 2025-11-27 Sina Mokhtarzadeh Azar , Emad Bahrami , Enrico Pallotta , Gianpiero Francesca , Radu Timofte , Juergen Gall

Real-world vision tasks frequently suffer from the appearance of unexpected adverse weather conditions, including rain, haze, snow, and raindrops. In the last decade, convolutional neural networks and vision transformers have yielded…

计算机视觉与模式识别 · 计算机科学 2024-03-13 Yijun Yang , Hongtao Wu , Angelica I. Aviles-Rivero , Yulun Zhang , Jing Qin , Lei Zhu

Detecting visual anomalies in diverse, multi-class real-world images is a significant challenge. We introduce \ours, a novel unsupervised multi-class visual anomaly detection framework. It integrates a Latent Diffusion Model (LDM) with a…

计算机视觉与模式识别 · 计算机科学 2025-11-12 Samet Hicsonmez , Abd El Rahman Shabayek , Djamila Aouada

Temporal graph neural networks (temporal GNNs) have been widely researched, reaching state-of-the-art results on multiple prediction tasks. A common approach employed by most previous works is to apply a layer that aggregates information…

机器学习 · 计算机科学 2022-06-14 Uriel Singer , Haggai Roitman , Ido Guy , Kira Radinsky

We introduce the first zero-shot approach for Video Semantic Segmentation (VSS) based on pre-trained diffusion models. A growing research direction attempts to employ diffusion models to perform downstream vision tasks by exploiting their…

计算机视觉与模式识别 · 计算机科学 2024-05-28 Qian Wang , Abdelrahman Eldesokey , Mohit Mendiratta , Fangneng Zhan , Adam Kortylewski , Christian Theobalt , Peter Wonka

Video-diffusion models have recently set the standard in video generation, inpainting, and domain translation thanks to their training stability and high perceptual fidelity. Building on these strengths, we repurpose conditional video…

计算工程、金融与科学 · 计算机科学 2025-07-28 Jaewan Park , Farid Ahmed , Kazuma Kobayashi , Seid Koric , Syed Bahauddin Alam , Iwona Jasiuk , Diab Abueidda

Recently, diffusion-based generative models have achieved remarkable success for image generation and edition. However, existing diffusion-based video editing approaches lack the ability to offer precise control over generated content that…

计算机视觉与模式识别 · 计算机科学 2024-04-03 Paul Couairon , Clément Rambour , Jean-Emmanuel Haugeard , Nicolas Thome

Artificial Intelligence Generated Content (AIGC) has advanced significantly, particularly with the development of video generation models such as text-to-video (T2V) models and image-to-video (I2V) models. However, like other AIGC types,…

计算机视觉与模式识别 · 计算机科学 2025-02-26 Runyi Hu , Jie Zhang , Yiming Li , Jiwei Li , Qing Guo , Han Qiu , Tianwei Zhang

Time series generation focuses on modeling the underlying data distribution and resampling to produce authentic time series data. Key components, such as trend and seasonality, drive temporal fluctuations, yet many existing approaches fail…

机器学习 · 计算机科学 2025-11-04 Zixuan Ma , Chenfeng Huang

Diffusion models have emerged as powerful generative frameworks by progressively adding noise to data through a forward process and then reversing this process to generate realistic samples. While these models have achieved strong…

机器学习 · 计算机科学 2025-03-04 Xingzhuo Guo , Yu Zhang , Baixu Chen , Haoran Xu , Jianmin Wang , Mingsheng Long

The existing state-of-the-art (SOTA) video salient object detection (VSOD) models have widely followed short-term methodology, which dynamically determines the balance between spatial and temporal saliency fusion by solely considering the…

计算机视觉与模式识别 · 计算机科学 2022-06-22 Chenglizhao Chen , Hengsen Wang , Yuming Fang , Chong Peng

Recent advancements have explored text-to-image diffusion models for synthesizing out-of-distribution (OOD) samples, substantially enhancing the performance of OOD detection. However, existing approaches typically rely on perturbing…

计算机视觉与模式识别 · 计算机科学 2025-10-28 Xin Gao , Jiyao Liu , Guanghao Li , Yueming Lyu , Jianxiong Gao , Weichen Yu , Ningsheng Xu , Liang Wang , Caifeng Shan , Ziwei Liu , Chenyang Si

Diffusion models have demonstrated powerful data generation capabilities in various research fields such as image generation. However, in the field of vibration signal generation, the criteria for evaluating the quality of the generated…

机器学习 · 计算机科学 2024-07-02 Haiming Yi , Lei Hou , Yuhong Jin , Nasser A. Saeed , Ali Kandil , Hao Duan

Video temporal grounding aims to pinpoint a video segment that matches the query description. Despite the recent advance in short-form videos (\textit{e.g.}, in minutes), temporal grounding in long videos (\textit{e.g.}, in hours) is still…

计算机视觉与模式识别 · 计算机科学 2024-02-20 Yulin Pan , Xiangteng He , Biao Gong , Yiliang Lv , Yujun Shen , Yuxin Peng , Deli Zhao