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How do humans recognize an object in a piece of video? Due to the deteriorated quality of single frame, it may be hard for people to identify an occluded object in this frame by just utilizing information within one image. We argue that…

计算机视觉与模式识别 · 计算机科学 2020-03-27 Yihong Chen , Yue Cao , Han Hu , Liwei Wang

We address the problem of highlight detection from a 360 degree video by summarizing it both spatially and temporally. Given a long 360 degree video, we spatially select pleasantly-looking normal field-of-view (NFOV) segments from unlimited…

计算机视觉与模式识别 · 计算机科学 2018-02-01 Youngjae Yu , Sangho Lee , Joonil Na , Jaeyun Kang , Gunhee Kim

The task of language-guided video temporal grounding is to localize the particular video clip corresponding to a query sentence in an untrimmed video. Though progress has been made continuously in this field, some issues still need to be…

计算机视觉与模式识别 · 计算机科学 2020-09-24 Binjie Zhang , Yu Li , Chun Yuan , Dejing Xu , Pin Jiang , Ying Shan

We present an Object-aware Feature Aggregation (OFA) module for video object detection (VID). Our approach is motivated by the intriguing property that video-level object-aware knowledge can be employed as a powerful semantic prior to help…

计算机视觉与模式识别 · 计算机科学 2020-10-26 Qichuan Geng , Hong Zhang , Na Jiang , Xiaojuan Qi , Liangjun Zhang , Zhong Zhou

Video segmentation aims at partitioning video sequences into meaningful segments based on objects or regions of interest within frames. Current video segmentation models are often derived from image segmentation techniques, which struggle…

计算机视觉与模式识别 · 计算机科学 2024-08-21 Chen Liang , Qiang Guo , Xiaochao Qu , Luoqi Liu , Ting Liu

In today's day and age when almost every industry has an online presence with users interacting in online marketplaces, personalized recommendations have become quite important. Traditionally, the problem of collaborative filtering has been…

信息检索 · 计算机科学 2018-09-25 Kilol Gupta , Mukund Yelahanka Raghuprasad , Pankhuri Kumar

Existing methods for video interpolation heavily rely on deep convolution neural networks, and thus suffer from their intrinsic limitations, such as content-agnostic kernel weights and restricted receptive field. To address these issues, we…

计算机视觉与模式识别 · 计算机科学 2022-03-29 Zhihao Shi , Xiangyu Xu , Xiaohong Liu , Jun Chen , Ming-Hsuan Yang

Efficient long-short temporal modeling is key for enhancing the performance of action recognition task. In this paper, we propose a new two-stream action recognition network, termed as MENet, consisting of a Motion Enhancement (ME) module…

计算机视觉与模式识别 · 计算机科学 2021-07-01 Liyu Wu , Yuexian Zou , Can Zhang

Recent years have witnessed an exponential increase in the demand for face video compression, and the success of artificial intelligence has expanded the boundaries beyond traditional hybrid video coding. Generative coding approaches have…

图像与视频处理 · 电气工程与系统科学 2023-10-31 Yixuan Li , Bolin Chen , Baoliang Chen , Meng Wang , Shiqi Wang , Weisi Lin

Traditional and neural video codecs commonly encounter limitations in controllability and generality under ultra-low-bitrate coding scenarios. To overcome these challenges, we propose M3-CVC, a controllable video compression framework…

图像与视频处理 · 电气工程与系统科学 2024-12-30 Rui Wan , Qi Zheng , Yibo Fan

We address the problem of efficiently compressing video for conferencing-type applications. We build on recent approaches based on image animation, which can achieve good reconstruction quality at very low bitrate by representing face…

计算机视觉与模式识别 · 计算机科学 2023-07-11 Goluck Konuko , Stéphane Lathuilière , Giuseppe Valenzise

Recently, User-Generated Content (UGC) videos have gained popularity in our daily lives. However, UGC videos often suffer from poor exposure due to the limitations of photographic equipment and techniques. Therefore, Video Exposure…

计算机视觉与模式识别 · 计算机科学 2024-05-15 Xunchu Zhou , Xiaohong Liu , Yunlong Dong , Tengchuan Kou , Yixuan Gao , Zicheng Zhang , Chunyi Li , Haoning Wu , Guangtao Zhai

Diffusion models (DMs) have recently achieved impressive photorealism in image and video generation. However, their application to image animation remains limited, even when trained on large-scale datasets. Two primary challenges contribute…

计算机视觉与模式识别 · 计算机科学 2026-01-01 Zhenhao Li , Shaohan Yi , Zheng Liu , Leonartinus Gao , Minh Ngoc Le , Ambrose Ling , Zhuoran Wang , Md Amirul Islam , Zhixiang Chi , Yuanhao Yu

Variational Autoencoders (VAEs) have recently shown promising performance in collaborative filtering with implicit feedback. These existing recommendation models learn user representations to reconstruct or predict user preferences. We…

机器学习 · 计算机科学 2020-08-19 Bahare Askari , Jaroslaw Szlichta , Amirali Salehi-Abari

Convolutional Neural Networks (CNNs) have achieved remarkable success in various computer vision tasks but rely on tremendous computational cost. To solve this problem, existing approaches either compress well-trained large-scale models or…

计算机视觉与模式识别 · 计算机科学 2021-07-06 Chen Zhang , Yinghao Xu , Yujun Shen

One of the core components of conventional (i.e., non-learned) video codecs consists of predicting a frame from a previously-decoded frame, by leveraging temporal correlations. In this paper, we propose an end-to-end learned system for…

图像与视频处理 · 电气工程与系统科学 2020-04-22 Nannan Zou , Honglei Zhang , Francesco Cricri , Hamed R. Tavakoli , Jani Lainema , Emre Aksu , Miska Hannuksela , Esa Rahtu

Accurate and efficient Video Quality Assessment (VQA) has long been a key research challenge. Current mainstream VQA methods typically improve performance by pretraining on large-scale classification datasets (e.g., ImageNet, Kinetics-400),…

计算机视觉与模式识别 · 计算机科学 2025-10-10 Yachun Mi , Yu Li , Yanting Li , Chen Hui , Tong Zhang , Zhixuan Li , Chenyue Song , Wei Yang Bryan Lim , Shaohui Liu

Through a simple multiple choice language prompt a VQA model can operate as a zero-shot image classifier, producing a classification label. Compared to typical image encoders, VQA models offer an advantage: VQA-produced image embeddings can…

机器学习 · 计算机科学 2024-07-24 Dipika Khullar , Emmett Goodman , Negin Sokhandan

Long-range and short-range temporal modeling are two complementary and crucial aspects of video recognition. Most of the state-of-the-arts focus on short-range spatio-temporal modeling and then average multiple snippet-level predictions to…

计算机视觉与模式识别 · 计算机科学 2021-08-18 Wenhao Wu , Yuxiang Zhao , Yanwu Xu , Xiao Tan , Dongliang He , Zhikang Zou , Jin Ye , Yingying Li , Mingde Yao , Zichao Dong , Yifeng Shi

The efficiency of long-video inference remains a critical bottleneck, mainly due to the dense computation in the prefill stage of Large Multimodal Models (LMMs). Existing methods either compress visual embeddings or apply sparse attention…

计算机视觉与模式识别 · 计算机科学 2026-01-30 Yuxiang Huang , Mingye Li , Xu Han , Chaojun Xiao , Weilin Zhao , Ao Sun , Ziqi Yuan , Hao Zhou , Fandong Meng , Zhiyuan Liu