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Unsupervised object-centric learning from videos is a promising approach to extract structured representations from large, unlabeled collections of videos. To support downstream tasks like autonomous control, these representations must be…

Computer Vision and Pattern Recognition · Computer Science 2025-03-19 Anna Manasyan , Maximilian Seitzer , Filip Radovic , Georg Martius , Andrii Zadaianchuk

The temporal relationships between frames and their influences on video quality assessment (VQA) are still under-studied in existing works. These relationships lead to two important types of effects for video quality. Firstly, some temporal…

Computer Vision and Pattern Recognition · Computer Science 2022-06-22 Haoning Wu , Chaofeng Chen , Liang Liao , Jingwen Hou , Wenxiu Sun , Qiong Yan , Weisi Lin

State-of-the-art video deblurring methods are capable of removing non-uniform blur caused by unwanted camera shake and/or object motion in dynamic scenes. However, most existing methods are based on batch processing and thus need access to…

Computer Vision and Pattern Recognition · Computer Science 2017-04-12 Tae Hyun Kim , Kyoung Mu Lee , Bernhard Schölkopf , Michael Hirsch

In many video restoration/translation tasks, image processing operations are na\"ively extended to the video domain by processing each frame independently, disregarding the temporal connection of the video frames. This disregard for the…

Computer Vision and Pattern Recognition · Computer Science 2023-08-22 Muhammad Kashif Ali , Dongjin Kim , Tae Hyun Kim

Despite the significant progress made by deep learning in natural image matting, there has been so far no representative work on deep learning for video matting due to the inherent technical challenges in reasoning temporal domain and lack…

Computer Vision and Pattern Recognition · Computer Science 2021-04-23 Yanan Sun , Guanzhi Wang , Qiao Gu , Chi-Keung Tang , Yu-Wing Tai

Recent text-to-video diffusion transformers generate visually compelling frames, yet still struggle with temporal coherence, often producing flickering, drifting, or unstable motion. We show that these failures leave a clear imprint inside…

Computer Vision and Pattern Recognition · Computer Science 2026-05-15 Nurislam Tursynbek , Zhiqiang Lao , Heather Yu , Gedas Bertasius , Marc Niethammer

Scene flow prediction is a crucial underlying task in understanding dynamic scenes as it offers fundamental motion information. However, contemporary scene flow methods encounter three major challenges. Firstly, flow estimation solely based…

Computer Vision and Pattern Recognition · Computer Science 2024-11-15 Zhiyang Lu , Qinghan Chen , Ming Cheng

Fisheye image rectification aims to correct distortions in images taken with fisheye cameras. Although current models show promising results on images with a similar degree of distortion as the training data, they will produce sub-optimal…

Computer Vision and Pattern Recognition · Computer Science 2024-12-25 Pengbo Guo , Chengxu Liu , Xingsong Hou , Xueming Qian

It remains a challenge to simultaneously remove geometric distortion and space-time-varying blur in frames captured through a turbulent atmospheric medium. To solve, or at least reduce these effects, we propose a new scheme to recover a…

Computer Vision and Pattern Recognition · Computer Science 2014-01-20 Yuan Xie , Wensheng Zhang , Dacheng Tao , Wenrui Hu , Yanyun Qu , Hanzi Wang

Image stitching algorithms often adopt the global transformation, such as homography, and work well for planar scenes or parallax free camera motions. However, these conditions are easily violated in practice. With casual camera motions,…

Computer Vision and Pattern Recognition · Computer Science 2017-02-28 Tianzhu Xiang , Gui-Song Xia , Liangpei Zhang

We propose a method for generating a temporally remapped video that matches the desired target duration while maximally preserving natural video dynamics. Our approach trains a neural network through self-supervision to recognize and…

Computer Vision and Pattern Recognition · Computer Science 2022-05-12 Simon Jenni , Markus Woodson , Fabian Caba Heilbron

Video prediction is a pixel-wise dense prediction task to infer future frames based on past frames. Missing appearance details and motion blur are still two major problems for current predictive models, which lead to image distortion and…

Computer Vision and Pattern Recognition · Computer Science 2020-05-25 Beibei Jin , Yu Hu , Qiankun Tang , Jingyu Niu , Zhiping Shi , Yinhe Han , Xiaowei Li

Video deblurring relies on leveraging information from other frames in the video sequence to restore the blurred regions in the current frame. Mainstream approaches employ bidirectional feature propagation, spatio-temporal transformers, or…

Computer Vision and Pattern Recognition · Computer Science 2024-06-12 Huicong Zhang , Haozhe Xie , Hongxun Yao

Temporal grounding aims to locate a target video moment that semantically corresponds to the given sentence query in an untrimmed video. However, recent works find that existing methods suffer a severe temporal bias problem. These methods…

Computer Vision and Pattern Recognition · Computer Science 2022-08-08 Jiachang Hao , Haifeng Sun , Pengfei Ren , Jingyu Wang , Qi Qi , Jianxin Liao

Large field-of-view fisheye lens cameras have attracted more and more researchers' attention in the field of robotics. However, there does not exist a convenient off-the-shelf stereo rectification approach which can be applied directly to…

Computer Vision and Pattern Recognition · Computer Science 2017-07-13 Dingfu Zhou , Yuchao Dai , Hongdong Li

Distortion is widely existed in the images captured by popular wide-angle cameras and fisheye cameras. Despite the long history of distortion rectification, accurately estimating the distortion parameters from a single distorted image is…

Computer Vision and Pattern Recognition · Computer Science 2024-04-30 Kang Liao , Chunyu Lin , Yao Zhao

Most computer vision systems assume distortion-free images as inputs. The widely used rolling-shutter (RS) image sensors, however, suffer from geometric distortion when the camera and object undergo motion during capture. Extensive…

Computer Vision and Pattern Recognition · Computer Science 2022-06-28 Zhixiang Wang , Xiang Ji , Jia-Bin Huang , Shin'ichi Satoh , Xiao Zhou , Yinqiang Zheng

We present a solution to the problem of spatio-temporal calibration for event cameras mounted on an onmi-directional vehicle. Different from traditional methods that typically determine the camera's pose with respect to the vehicle's body…

Robotics · Computer Science 2023-07-20 Xiao Li , Yi Zhou , Ruibin Guo , Xin Peng , Zongtan Zhou , Huimin Lu

Dynamic stereo matching is the task of estimating consistent disparities from stereo videos with dynamic objects. Recent learning-based methods prioritize optimal performance on a single stereo pair, resulting in temporal inconsistencies.…

Computer Vision and Pattern Recognition · Computer Science 2024-03-19 Junpeng Jing , Ye Mao , Krystian Mikolajczyk

Monitoring animal populations is crucial for assessing the health of ecosystems. Traditional methods, which require extensive fieldwork, are increasingly being supplemented by time-lapse camera-trap imagery combined with an automatic…

Computer Vision and Pattern Recognition · Computer Science 2024-12-24 Marcus Jenkins , Kirsty A. Franklin , Malcolm A. C. Nicoll , Nik C. Cole , Kevin Ruhomaun , Vikash Tatayah , Michal Mackiewicz