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This paper presents an investigation of vision transformer learning for multi-view geometry tasks, such as optical flow estimation, by fine-tuning video foundation models. Unlike previous methods that involve custom architectural designs…

计算机视觉与模式识别 · 计算机科学 2025-12-23 Huimin Wu , Kwang-Ting Cheng , Stephen Lin , Zhirong Wu

Current video retrieval systems, especially those used in competitions, primarily focus on querying individual keyframes or images rather than encoding an entire clip or video segment. However, queries often describe an action or event over…

计算机视觉与模式识别 · 计算机科学 2026-04-29 Quoc-Bao Nguyen-Le , Thanh-Huy Le-Nguyen

A major challenge for video semantic segmentation is the lack of labeled data. In most benchmark datasets, only one frame of a video clip is annotated, which makes most supervised methods fail to utilize information from the rest of the…

计算机视觉与模式识别 · 计算机科学 2019-12-02 Mingyu Ding , Zhe Wang , Bolei Zhou , Jianping Shi , Zhiwu Lu , Ping Luo

Traditional neural network-driven inpainting methods struggle to deliver high-quality results within the constraints of mobile device processing power and memory. Our research introduces an innovative approach to optimize memory usage by…

计算机视觉与模式识别 · 计算机科学 2025-05-06 Hoyoung Kim , Azimbek Khudoyberdiev , Seonghwan Jeong , Jihoon Ryoo

A key challenge in video enhancement and action recognition is to fuse useful information from neighboring frames. Recent works suggest establishing accurate correspondences between neighboring frames before fusing temporal information.…

计算机视觉与模式识别 · 计算机科学 2020-11-24 Shuyang Gu , Jianmin Bao , Dong Chen

Video frame interpolation (VFI) is currently a very active research topic, with applications spanning computer vision, post production and video encoding. VFI can be extremely challenging, particularly in sequences containing large motions,…

计算机视觉与模式识别 · 计算机科学 2024-11-22 Duolikun Danier , Fan Zhang , David Bull

Dynamic vision sensors or event cameras provide rich complementary information for video frame interpolation. Existing state-of-the-art methods follow the paradigm of combining both synthesis-based and warping networks. However, few of…

计算机视觉与模式识别 · 计算机科学 2023-07-25 Jiaben Chen , Yichen Zhu , Dongze Lian , Jiaqi Yang , Yifu Wang , Renrui Zhang , Xinhang Liu , Shenhan Qian , Laurent Kneip , Shenghua Gao

Prevailing video frame interpolation algorithms, that generate the intermediate frames from consecutive inputs, typically rely on complex model architectures with heavy parameters or large delay, hindering them from diverse real-time…

计算机视觉与模式识别 · 计算机科学 2022-05-31 Lingtong Kong , Boyuan Jiang , Donghao Luo , Wenqing Chu , Xiaoming Huang , Ying Tai , Chengjie Wang , Jie Yang

When processing similar frames in succession, we can take advantage of the locality of the convolution operation to reevaluate only portions of the image that changed from the previous frame. By saving the output of a layer of convolutions…

计算机视觉与模式识别 · 计算机科学 2019-09-17 Arno Khachatourian

How to make a segmentation model efficiently adapt to a specific video and to online target appearance variations are fundamentally crucial issues in the field of video object segmentation. In this work, a graph memory network is developed…

计算机视觉与模式识别 · 计算机科学 2020-12-10 Xiankai Lu , Wenguan Wang , Martin Danelljan , Tianfei Zhou , Jianbing Shen , Luc Van Gool

In this paper, we consider a task of stopping the video stream recognition process of a text field, in which each frame is recognized independently and the individual results are combined together. The video stream recognition stopping…

计算机视觉与模式识别 · 计算机科学 2020-08-07 Konstantin Bulatov , Nadezhda Fedotova , Vladimir V. Arlazarov

Video object detection is more challenging compared to image object detection. Previous works proved that applying object detector frame by frame is not only slow but also inaccurate. Visual clues get weakened by defocus and motion blur,…

计算机视觉与模式识别 · 计算机科学 2017-12-19 Congrui Hetang , Hongwei Qin , Shaohui Liu , Junjie Yan

Recently, learning based video compression methods attract increasing attention. However, the previous works suffer from error propagation due to the accumulation of reconstructed error in inter predictive coding. Meanwhile, the previous…

图像与视频处理 · 电气工程与系统科学 2020-03-26 Guo Lu , Chunlei Cai , Xiaoyun Zhang , Li Chen , Wanli Ouyang , Dong Xu , Zhiyong Gao

Although a video is effectively a sequence of images, visual perception systems typically model images and videos separately, thus failing to exploit the correlation and the synergy provided by these two media. While a few prior research…

计算机视觉与模式识别 · 计算机科学 2019-06-13 Yufei Wang , Du Tran , Lorenzo Torresani

We propose a novel framework for video inpainting by adopting an internal learning strategy. Unlike previous methods that use optical flow for cross-frame context propagation to inpaint unknown regions, we show that this can be achieved…

计算机视觉与模式识别 · 计算机科学 2021-08-18 Hao Ouyang , Tengfei Wang , Qifeng Chen

Video Large Language Models (VideoLLMs) have demonstrated remarkable understanding capabilities, but are found struggling to tackle multi-shot scenarios,e.g., video clips with varying camera angles or scene changes. This challenge can…

计算机视觉与模式识别 · 计算机科学 2025-07-09 Yujia Liang , Jile Jiao , Xuetao Feng , Zixuan Ye , Yuan Wang , Zhicheng Wang

In this paper, we propose to learn temporal embeddings of video frames for complex video analysis. Large quantities of unlabeled video data can be easily obtained from the Internet. These videos possess the implicit weak label that they are…

计算机视觉与模式识别 · 计算机科学 2015-05-05 Vignesh Ramanathan , Kevin Tang , Greg Mori , Li Fei-Fei

This paper considers the challenging task of long-term video interpolation. Unlike most existing methods that only generate few intermediate frames between existing adjacent ones, we attempt to speculate or imagine the procedure of an…

计算机视觉与模式识别 · 计算机科学 2017-06-14 Xiongtao Chen , Wenmin Wang , Jinzhuo Wang , Weimian Li , Baoyang Chen

Deep learning based video frame interpolation (VIF) method, aiming to synthesis the intermediate frames to enhance video quality, have been highly developed in the past few years. This paper investigates the adversarial robustness of VIF…

计算机视觉与模式识别 · 计算机科学 2023-05-12 Junpei Liao , Zhikai Chen , Liang Yi , Wenyuan Yang , Baoyuan Wu , Xiaochun Cao

Recent progress in large-scale text-to-video (T2V) and image-to-video (I2V) diffusion models has greatly enhanced video generation, especially in terms of keyframe interpolation. However, current image-to-video diffusion models, while…

计算机视觉与模式识别 · 计算机科学 2025-03-04 Serin Yang , Taesung Kwon , Jong Chul Ye