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Moire patterns, appearing as color distortions, severely degrade image and video qualities when filming a screen with digital cameras. Considering the increasing demands for capturing videos, we study how to remove such undesirable moire…

计算机视觉与模式识别 · 计算机科学 2022-04-07 Peng Dai , Xin Yu , Lan Ma , Baoheng Zhang , Jia Li , Wenbo Li , Jiajun Shen , Xiaojuan Qi

Videos captured by consumer cameras often exhibit temporal variations in color and tone that are caused by camera auto-adjustments like white-balance and exposure. When such videos are sub-sampled to play fast-forward, as in the…

图形学 · 计算机科学 2017-10-02 Xuaner Cecilia Zhang , Joon-Young Lee , Kalyan Sunkavalli , Zhaowen Wang

Recent years have witnessed a trend of applying context frames to boost the performance of object detection as video object detection. Existing methods usually aggregate features at one stroke to enhance the feature. These methods, however,…

计算机视觉与模式识别 · 计算机科学 2022-09-07 Han Wang , Jun Tang , Xiaodong Liu , Shanyan Guan , Rong Xie , Li Song

Long-range temporal alignment is critical yet challenging for video restoration tasks. Recently, some works attempt to divide the long-range alignment into several sub-alignments and handle them progressively. Although this operation is…

计算机视觉与模式识别 · 计算机科学 2021-12-02 Kun Zhou , Wenbo Li , Liying Lu , Xiaoguang Han , Jiangbo Lu

Video segmentation approaches are of great importance for numerous vision tasks especially in video manipulation for entertainment. Due to the challenges associated with acquiring high-quality per-frame segmentation annotations and large…

计算机视觉与模式识别 · 计算机科学 2020-10-27 Mingyang Qian , Yi Fu , Xiao Tan , Yingying Li , Jinqing Qi , Huchuan Lu , Shilei Wen , Errui Ding

Images captured by fisheye lenses violate the pinhole camera assumption and suffer from distortions. Rectification of fisheye images is therefore a crucial preprocessing step for many computer vision applications. In this paper, we propose…

计算机视觉与模式识别 · 计算机科学 2018-04-16 Xiaoqing Yin , Xinchao Wang , Jun Yu , Maojun Zhang , Pascal Fua , Dacheng Tao

This paper presents a new deep-learning based method to simultaneously calibrate the intrinsic parameters of fisheye lens and rectify the distorted images. Assuming that the distorted lines generated by fisheye projection should be straight…

计算机视觉与模式识别 · 计算机科学 2019-05-02 Zhucun Xue , Nan Xue , Gui-Song Xia , Weiming Shen

Fisheye image rectification has a long-term unresolved issue with synthetic-to-real generalization. In most previous works, the model trained on the synthetic images obtains unsatisfactory performance on the real-world fisheye image. To…

计算机视觉与模式识别 · 计算机科学 2023-01-30 Shangrong Yang , Chunyu Lin , Kang Liao , Yao Zhao

Underwater video pairs are fairly difficult to obtain due to the complex underwater imaging. In this case, most existing video underwater enhancement methods are performed by directly applying the single-image enhancement model frame by…

计算机视觉与模式识别 · 计算机科学 2025-12-08 Qi Zhu , Jingyi Zhang , Naishan Zheng , Wei Yu , Jinghao Zhang , Deyi Ji , Feng Zhao

Video inpainting aims to fill spatio-temporal "corrupted" regions with plausible content. To achieve this goal, it is necessary to find correspondences from neighbouring frames to faithfully hallucinate the unknown content. Current methods…

计算机视觉与模式识别 · 计算机科学 2021-04-09 Xueyan Zou , Linjie Yang , Ding Liu , Yong Jae Lee

Self-supervised video denoising aims to remove noise from videos without relying on ground truth data, leveraging the video itself to recover clean frames. Existing methods often rely on simplistic feature stacking or apply optical flow…

计算机视觉与模式识别 · 计算机科学 2024-12-17 Zikang Chen , Tao Jiang , Xiaowan Hu , Wang Zhang , Huaqiu Li , Haoqian Wang

Current state-of-the-art approaches to video understanding adopt temporal jittering to simulate analyzing the video at varying frame rates. However, this does not work well for multirate videos, in which actions or subactions occur at…

计算机视觉与模式识别 · 计算机科学 2018-10-31 Yi Zhu , Shawn Newsam

One of the solutions of depth imaging of moving scene is to project a static pattern on the object and use just a single image for reconstruction. However, if the motion of the object is too fast with respect to the exposure time of the…

计算机视觉与模式识别 · 计算机科学 2017-10-03 Yuki Shiba , Satoshi Ono , Ryo Furukawa , Shinsaku Hiura , Hiroshi Kawasaki

While the abuse of deepfake technology has caused serious concerns recently, how to detect deepfake videos is still a challenge due to the high photo-realistic synthesis of each frame. Existing image-level approaches often focus on single…

计算机视觉与模式识别 · 计算机科学 2022-07-15 Daichi Zhang , Fanzhao Lin , Yingying Hua , Pengju Wang , Dan Zeng , Shiming Ge

The purpose of this contribution is to introduce a new method of signal prediction in video coding. Unlike most existent prediction methods that either use temporal or use spatial correlations to generate the prediction signal, the proposed…

图像与视频处理 · 电气工程与系统科学 2022-07-11 Jürgen Seiler , André Kaup

Diffusion models have emerged as powerful priors for single-image restoration, but their application to zero-shot video restoration suffers from temporal inconsistencies due to the stochastic nature of sampling and complexity of…

图像与视频处理 · 电气工程与系统科学 2025-10-30 Nasrin Rahimi , A. Murat Tekalp

A novel method to improve the accuracy of pressure field estimation from time-resolved Particle Image Velocimetry data is proposed. This method generates several new time-series of velocity field by propagating in time the original one…

流体动力学 · 物理学 2025-01-14 Junwei Chen , Marco Raiola , Stefano Discetti

Multi-view video reconstruction plays a vital role in computer vision, enabling applications in film production, virtual reality, and motion analysis. While recent advances such as 4D Gaussian Splatting (4DGS) have demonstrated impressive…

计算机视觉与模式识别 · 计算机科学 2025-11-17 Zhixin Xu , Hengyu Zhou , Yuan Liu , Wenhan Xue , Hao Pan , Wenping Wang , Bin Wang

The rapid advancement of diffusion-based video generation models has led to increasingly realistic synthetic content, presenting new challenges for video forgery detection. Existing methods often struggle to capture fine-grained temporal…

计算机视觉与模式识别 · 计算机科学 2025-08-04 Xi Xue , Kunio Suzuki , Nabarun Goswami , Takuya Shintate

Aiming at the problem that the current video anomaly detection cannot fully use the temporal information and ignore the diversity of normal behavior, an anomaly detection method is proposed to integrate the spatiotemporal information of…

计算机视觉与模式识别 · 计算机科学 2022-11-29 Chao Hu , Liqiang Zhu