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The workload of real-time rendering is steeply increasing as the demand for high resolution, high refresh rates, and high realism rises, overwhelming most graphics cards. To mitigate this problem, one of the most popular solutions is to…

图形学 · 计算机科学 2023-10-17 Zhihua Zhong , Jingsen Zhu , Yuxin Dai , Chuankun Zheng , Yuchi Huo , Guanlin Chen , Hujun Bao , Rui Wang

In real scenarios, videos can span several minutes or even hours. However, existing research on spatio-temporal video grounding (STVG), given a textual query, mainly focuses on localizing targets in short videos of tens of seconds,…

计算机视觉与模式识别 · 计算机科学 2026-02-27 Xin Gu , Bing Fan , Jiali Yao , Zhipeng Zhang , Yan Huang , Cheng Han , Heng Fan , Libo Zhang

Learning discriminative spatiotemporal representation is the key problem of video understanding. Recently, Vision Transformers (ViTs) have shown their power in learning long-term video dependency with self-attention. Unfortunately, they…

计算机视觉与模式识别 · 计算机科学 2022-11-18 Kunchang Li , Yali Wang , Yinan He , Yizhuo Li , Yi Wang , Limin Wang , Yu Qiao

In this paper, we propose a novel video super-resolution method that aims at generating high-fidelity high-resolution (HR) videos from low-resolution (LR) ones. Previous methods predominantly leverage temporal neighbor frames to assist the…

计算机视觉与模式识别 · 计算机科学 2021-08-26 Jiyang Yu , Jingen Liu , Liefeng Bo , Tao Mei

This paper addresses the task of space-time video super-resolution (ST-VSR). Existing methods generally suffer from inaccurate motion estimation and motion compensation (MEMC) problems for large motions. Inspired by recent progress in…

计算机视觉与模式识别 · 计算机科学 2024-04-10 Yuantong Zhang , Hanyou Zheng , Daiqin Yang , Zhenzhong Chen , Haichuan Ma , Wenpeng Ding

It is a challenging task to learn rich and multi-scale spatiotemporal semantics from high-dimensional videos, due to large local redundancy and complex global dependency between video frames. The recent advances in this research have been…

计算机视觉与模式识别 · 计算机科学 2022-02-09 Kunchang Li , Yali Wang , Peng Gao , Guanglu Song , Yu Liu , Hongsheng Li , Yu Qiao

Arbitrary-scale video super-resolution (AVSR) aims to enhance the resolution of video frames, potentially at various scaling factors, which presents several challenges regarding spatial detail reproduction, temporal consistency, and…

计算机视觉与模式识别 · 计算机科学 2025-11-07 Wei Shang , Wanying Zhang , Shuhang Gu , Pengfei Zhu , Qinghua Hu , Dongwei Ren

Saliency prediction for Standard Dynamic Range (SDR) videos has been well explored in the last decade. However, limited studies are available on High Dynamic Range (HDR) Visual Attention Models (VAMs). Considering that the characteristic of…

计算机视觉与模式识别 · 计算机科学 2018-03-14 Amin Banitalebi-Dehkordi , Yuanyuan Dong , Mahsa T. Pourazad , Panos Nasiopoulos

Compressed video super-resolution (SR) aims to generate high-resolution (HR) videos from the corresponding low-resolution (LR) compressed videos. Recently, some compressed video SR methods attempt to exploit the spatio-temporal information…

计算机视觉与模式识别 · 计算机科学 2026-04-23 Qiang Zhu , Fan Zhang , Feiyu Chen , Shuyuan Zhu , David Bull , Bing Zeng

We introduce Spatial-Temporal Memory Networks for video object detection. At its core, a novel Spatial-Temporal Memory module (STMM) serves as the recurrent computation unit to model long-term temporal appearance and motion dynamics. The…

计算机视觉与模式识别 · 计算机科学 2018-07-30 Fanyi Xiao , Yong Jae Lee

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.…

计算机视觉与模式识别 · 计算机科学 2024-03-19 Junpeng Jing , Ye Mao , Krystian Mikolajczyk

This work addresses the Burst Super-Resolution (BurstSR) task using a new architecture, which requires restoring a high-quality image from a sequence of noisy, misaligned, and low-resolution RAW bursts. To overcome the challenges in…

计算机视觉与模式识别 · 计算机科学 2022-04-25 Ziwei Luo , Youwei Li , Shen Cheng , Lei Yu , Qi Wu , Zhihong Wen , Haoqiang Fan , Jian Sun , Shuaicheng Liu

Methods based on convolutional neural network (CNN) have demonstrated tremendous improvements on single image super-resolution. However, the previous methods mainly restore images from one single area in the low resolution (LR) input, which…

计算机视觉与模式识别 · 计算机科学 2017-05-16 Xiaoyi Jia , Xiangmin Xu , Bolun Cai , Kailing Guo

Recent efforts have witnessed remarkable progress in Satellite Video Super-Resolution (SVSR). However, most SVSR methods usually assume the degradation is fixed and known, e.g., bicubic downsampling, which makes them vulnerable in…

计算机视觉与模式识别 · 计算机科学 2024-01-17 Yi Xiao , Qiangqiang Yuan , Qiang Zhang , Liangpei Zhang

Reconstructing detailed 3D scenes from single-view images remains a challenging task due to limitations in existing approaches, which primarily focus on geometric shape recovery, overlooking object appearances and fine shape details. To…

计算机视觉与模式识别 · 计算机科学 2023-11-02 Yixin Chen , Junfeng Ni , Nan Jiang , Yaowei Zhang , Yixin Zhu , Siyuan Huang

Diffusion models have demonstrated exceptional success in video super-resolution (VSR), exhibiting powerful capabilities for generating fine-grained details. However, their potential for space-time video super-resolution (STVSR), which…

计算机视觉与模式识别 · 计算机科学 2026-05-20 Shuoyan Wei , Feng Li , Chen Zhou , Runmin Cong , Yao Zhao , Huihui Bai

Video super-resolution (VSR) aims at restoring a video in low-resolution (LR) and improving it to higher-resolution (HR). Due to the characteristics of video tasks, it is very important that motion information among frames should be well…

计算机视觉与模式识别 · 计算机科学 2021-03-23 Hongying Liu , Peng Zhao , Zhubo Ruan , Fanhua Shang , Yuanyuan Liu

Ultrasound video-based breast lesion segmentation provides a valuable assistance in early breast lesion detection and treatment. However, existing works mainly focus on lesion segmentation based on ultrasound breast images which usually can…

图像与视频处理 · 电气工程与系统科学 2024-03-19 Zhengzheng Tu , Zigang Zhu , Yayang Duan , Bo Jiang , Qishun Wang , Chaoxue Zhang

Effective and Efficient spatio-temporal modeling is essential for action recognition. Existing methods suffer from the trade-off between model performance and model complexity. In this paper, we present a novel Spatio-Temporal Hybrid…

计算机视觉与模式识别 · 计算机科学 2020-03-19 Xu Li , Jingwen Wang , Lin Ma , Kaihao Zhang , Fengzong Lian , Zhanhui Kang , Jinjun Wang

Given unstructured videos of deformable objects, we automatically recover spatiotemporal correspondences to map one object to another (such as animals in the wild). While traditional methods based on appearance fail in such challenging…

计算机视觉与模式识别 · 计算机科学 2016-08-18 Luca Del Pero , Susanna Ricco , Rahul Sukthankar , Vittorio Ferrari