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Video object detection has made significant progress in recent years thanks to convolutional neural networks (CNNs) and vision transformers (ViTs). Typically, CNNs excel at capturing local features but struggle to model global…

Computer Vision and Pattern Recognition · Computer Science 2025-05-13 Qiang Qi , Xiao Wang

Existing visual change detectors usually adopt CNNs or Transformers for feature representation learning and focus on learning effective representation for the changed regions between images. Although good performance can be obtained by…

Computer Vision and Pattern Recognition · Computer Science 2023-10-18 Bo Jiang , Zitian Wang , Xixi Wang , Ziyan Zhang , Lan Chen , Xiao Wang , Bin Luo

Applying image processing algorithms independently to each frame of a video often leads to undesired inconsistent results over time. Developing temporally consistent video-based extensions, however, requires domain knowledge for individual…

Computer Vision and Pattern Recognition · Computer Science 2018-08-02 Wei-Sheng Lai , Jia-Bin Huang , Oliver Wang , Eli Shechtman , Ersin Yumer , Ming-Hsuan Yang

Motion blur arises when rapid scene changes occur during the exposure period, collapsing rich intra-exposure motion into a single RGB frame. Without explicit structural or temporal cues, RGB-only deblurring is highly ill-posed and often…

Computer Vision and Pattern Recognition · Computer Science 2026-04-14 Yapeng Meng , Lin Yang , Yuguo Chen , Xiangru Chen , Taoyi Wang , Lijian Wang , Zheyu Yang , Yihan Lin , Rong Zhao

This paper presents a new task, the grounding of spatio-temporal identifying descriptions in videos. Previous work suggests potential bias in existing datasets and emphasizes the need for a new data creation schema to better model…

Computer Vision and Pattern Recognition · Computer Science 2019-04-09 Peratham Wiriyathammabhum , Abhinav Shrivastava , Vlad I. Morariu , Larry S. Davis

Compared to abstract features, significant objects, so-called landmarks, are a more natural means for vehicle localization and navigation, especially in challenging unstructured environments. The major challenge is to recognize landmarks in…

Computer Vision and Pattern Recognition · Computer Science 2019-09-04 Benjamin Naujoks , Patrick Burger , Hans-Joachim Wuensche

The state-of-the-art performance for object detection has been significantly improved over the past two years. Besides the introduction of powerful deep neural networks such as GoogleNet and VGG, novel object detection frameworks such as…

Computer Vision and Pattern Recognition · Computer Science 2018-01-10 Kai Kang , Hongsheng Li , Junjie Yan , Xingyu Zeng , Bin Yang , Tong Xiao , Cong Zhang , Zhe Wang , Ruohui Wang , Xiaogang Wang , Wanli Ouyang

Temporal action detection (TAD) aims to detect all action boundaries and their corresponding categories in an untrimmed video. The unclear boundaries of actions in videos often result in imprecise predictions of action boundaries by…

Computer Vision and Pattern Recognition · Computer Science 2023-09-12 Dingfeng Shi , Qiong Cao , Yujie Zhong , Shan An , Jian Cheng , Haogang Zhu , Dacheng Tao

Existing unsupervised methods have addressed the challenges of inconsistent paired data and tedious acquisition of ground-truth labels in shadow removal tasks. However, GAN-based training often faces issues such as mode collapse and…

Computer Vision and Pattern Recognition · Computer Science 2024-07-02 Ziqi Zeng , Chen Zhao , Weiling Cai , Chenyu Dong

Blind video deblurring restores sharp frames from a blurry sequence without any prior. It is a challenging task because the blur due to camera shake, object movement and defocusing is heterogeneous in both temporal and spatial dimensions.…

Computer Vision and Pattern Recognition · Computer Science 2019-12-10 Junru Wu , Xiang Yu , Ding Liu , Manmohan Chandraker , Zhangyang Wang

The success of deep neural networks generally requires a vast amount of training data to be labeled, which is expensive and unfeasible in scale, especially for video collections. To alleviate this problem, in this paper, we propose…

Computer Vision and Pattern Recognition · Computer Science 2019-04-05 Longlong Jing , Xiaodong Yang , Jingen Liu , Yingli Tian

Video-Language Pre-training models have recently significantly improved various multi-modal downstream tasks. Previous dominant works mainly adopt contrastive learning to achieve global feature alignment across modalities. However, the…

Computer Vision and Pattern Recognition · Computer Science 2023-01-19 Fan Ma , Xiaojie Jin , Heng Wang , Jingjia Huang , Linchao Zhu , Jiashi Feng , Yi Yang

We propose a novel deep learning method for shadow removal. Inspired by physical models of shadow formation, we use a linear illumination transformation to model the shadow effects in the image that allows the shadow image to be expressed…

Computer Vision and Pattern Recognition · Computer Science 2021-11-10 Hieu Le , Dimitris Samaras

Temporal sentence grounding in videos (TSGV) faces challenges due to public TSGV datasets containing significant temporal biases, which are attributed to the uneven temporal distributions of target moments. Existing methods generate…

Computer Vision and Pattern Recognition · Computer Science 2025-01-15 Junlong Ren , Gangjian Zhang , Haifeng Sun , Hao Wang

As moving objects always draw more attention of human eyes, the temporal motive information is always exploited complementarily with spatial information to detect salient objects in videos. Although efficient tools such as optical flow have…

Computer Vision and Pattern Recognition · Computer Science 2022-03-23 Jing Liu , Jiaxiang Wang , Weikang Wang , Yuting Su

Deep learning models heavily rely on large scale annotated datasets for training. Unfortunately, datasets cannot capture the infinite variability of the real world, thus neural networks are inherently limited by the restricted visual and…

Computer Vision and Pattern Recognition · Computer Science 2020-12-17 Massimiliano Mancini

Low-light video enhancement (LLVE) is challenging due to noise, low contrast, and color degradation. While learning-based methods enable fast inference, they often fail under heavy real-world noise because they do not sufficiently exploit…

Computer Vision and Pattern Recognition · Computer Science 2026-05-25 Ruirui Lin , Guoxi Huang , Nantheera Anantrasirichai

In this work, we propose an approach to the spatiotemporal localisation (detection) and classification of multiple concurrent actions within temporally untrimmed videos. Our framework is composed of three stages. In stage 1, appearance and…

Computer Vision and Pattern Recognition · Computer Science 2016-08-05 Suman Saha , Gurkirt Singh , Michael Sapienza , Philip H. S. Torr , Fabio Cuzzolin

Robust video scene classification models should capture the spatial (pixel-wise) and temporal (frame-wise) characteristics of a video effectively. Transformer models with self-attention which are designed to get contextualized…

Computer Vision and Pattern Recognition · Computer Science 2021-10-28 Saurabh Sahu , Palash Goyal

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
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