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Temporal Video Grounding (TVG), which requires pinpointing relevant temporal segments from video based on language query, has always been a highly challenging task in the field of video understanding. Videos often have a larger volume of…

计算机视觉与模式识别 · 计算机科学 2025-07-08 Feng Yue , Zhaoxing Zhang , Junming Jiao , Zhengyu Liang , Shiwen Cao , Feifei Zhang , Rong Shen

Video restoration aims at restoring multiple high-quality frames from multiple low-quality frames. Existing video restoration methods generally fall into two extreme cases, i.e., they either restore all frames in parallel or restore the…

计算机视觉与模式识别 · 计算机科学 2022-11-15 Jingyun Liang , Yuchen Fan , Xiaoyu Xiang , Rakesh Ranjan , Eddy Ilg , Simon Green , Jiezhang Cao , Kai Zhang , Radu Timofte , Luc Van Gool

Videos typically record the streaming and continuous visual data as discrete consecutive frames. Since the storage cost is expensive for videos of high fidelity, most of them are stored in a relatively low resolution and frame rate. Recent…

图像与视频处理 · 电气工程与系统科学 2022-06-10 Zeyuan Chen , Yinbo Chen , Jingwen Liu , Xingqian Xu , Vidit Goel , Zhangyang Wang , Humphrey Shi , Xiaolong Wang

In recent years, the results of view-based 3D shape recognition methods have saturated, and models with excellent performance cannot be deployed on memory-limited devices due to their huge size of parameters. To address this problem, we…

计算机视觉与模式识别 · 计算机科学 2024-08-06 Lixiang Xu , Qingzhe Cui , Richang Hong , Wei Xu , Enhong Chen , Xin Yuan , Chenglong Li , Yuanyan Tang

Vision Transformer (ViT) self-attention mechanism is characterized by feature collapse in deeper layers, resulting in the vanishing of low-level visual features. However, such features can be helpful to accurately represent and identify…

计算机视觉与模式识别 · 计算机科学 2024-08-06 Anxhelo Diko , Danilo Avola , Marco Cascio , Luigi Cinque

Multimodal Large Language Models (MLLMs) have shown strong performance on Video Temporal Grounding (VTG). However, their coarse recognition capabilities are insufficient for fine-grained temporal understanding, making task-specific…

计算机视觉与模式识别 · 计算机科学 2026-03-27 Jiwook Han , Geo Ahn , Youngrae Kim , Jinwoo Choi

When it comes to clinical images, automatic segmentation has a wide variety of applications and a considerable diversity of input domains, such as different types of Magnetic Resonance Images (MRIs) and Computerized Tomography (CT) scans.…

图像与视频处理 · 电气工程与系统科学 2024-02-28 Matteo Bastico , David Ryckelynck , Laurent Corté , Yannick Tillier , Etienne Decencière

In this work, we address the task of SDR videos to HDR videos(SDRTV-to-HDRTV). Previous approaches use global feature modulation for SDRTV-to-HDRTV. Feature modulation scales and shifts the features in the original feature space, which has…

多媒体 · 计算机科学 2022-08-16 Gang He , Kepeng Xu , Li Xu , Chang Wu , Ming Sun , Xing Wen , Yu-Wing Tai

3D reconstruction, which aims to recover the dense three-dimensional structure of a scene, is a cornerstone technology for numerous applications, including augmented/virtual reality, autonomous driving, and robotics. While traditional…

计算机视觉与模式识别 · 计算机科学 2025-07-14 Wei Zhang , Yihang Wu , Songhua Li , Wenjie Ma , Xin Ma , Qiang Li , Qi Wang

In this paper, we address the problem of dynamic scene deblurring in the presence of motion blur. Restoration of images affected by severe blur necessitates a network design with a large receptive field, which existing networks attempt to…

计算机视觉与模式识别 · 计算机科学 2022-02-08 Kuldeep Purohit , A. N. Rajagopalan

Although Vision Transformers (ViTs) have recently advanced computer vision tasks significantly, an important real-world problem was overlooked: adapting to variable input resolutions. Typically, images are resized to a fixed resolution,…

计算机视觉与模式识别 · 计算机科学 2024-05-29 Wenzhuo Liu , Fei Zhu , Shijie Ma , Cheng-Lin Liu

In this work we study Weakly Supervised Spatio-Temporal Video Grounding (WSTVG), a challenging task of localizing subjects spatio-temporally in videos using only textual queries and no bounding box supervision. Inspired by recent advances…

计算机视觉与模式识别 · 计算机科学 2025-04-08 Aaryan Garg , Akash Kumar , Yogesh S Rawat

In recent years, vision transformers (ViTs) have emerged as powerful and promising techniques for computer vision tasks such as image classification, object detection, and segmentation. Unlike convolutional neural networks (CNNs), which…

计算机视觉与模式识别 · 计算机科学 2025-05-20 Shaibal Saha , Lanyu Xu

As a vital aspect of affective computing, Multimodal Emotion Recognition has been an active research area in the multimedia community. Despite recent progress, this field still confronts two major challenges in real-world applications: 1)…

计算机视觉与模式识别 · 计算机科学 2023-12-27 Chengxin Chen , Pengyuan Zhang

The low dynamic range (LDR) of common cameras fails to capture the rich contrast in natural scenes, resulting in loss of color and details in saturated pixels. Reconstructing the high dynamic range (HDR) of luminance present in the scene…

计算机视觉与模式识别 · 计算机科学 2024-09-24 Sebastian Dille , Chris Careaga , Yağız Aksoy

Do video-text transformers learn to model temporal relationships across frames? Despite their immense capacity and the abundance of multimodal training data, recent work has revealed the strong tendency of video-text models towards…

计算机视觉与模式识别 · 计算机科学 2023-04-19 Yi Li , Kyle Min , Subarna Tripathi , Nuno Vasconcelos

Space-time video super-resolution (STVSR) aims to increase the spatial and temporal resolutions of low-resolution and low-frame-rate videos. Recently, deformable convolution based methods have achieved promising STVSR performance, but they…

计算机视觉与模式识别 · 计算机科学 2021-05-03 Gang Xu , Jun Xu , Zhen Li , Liang Wang , Xing Sun , Ming-Ming Cheng

Hyperspectral image segmentation is crucial for many fields such as agriculture, remote sensing, biomedical imaging, battlefield sensing and astronomy. However, the challenge of hyper and multi spectral imaging is its large data footprint.…

计算机视觉与模式识别 · 计算机科学 2024-06-07 Jackson Arnold , Sophia Rossi , Chloe Petrosino , Ethan Mitchell , Sanjeev J. Koppal

The high dynamic range (HDR) video ecosystem is approaching maturity, but the problem of upconverting legacy standard dynamic range (SDR) videos persists without a convincing solution. We propose a framework for HDR video synthesis from…

计算机视觉与模式识别 · 计算机科学 2026-05-15 SaiKiran Tedla , Francesco Banterle , Trevor Canham , Karanpreet Raja , David B. Lindell , Kiriakos N. Kutulakos , Jiacheng Li , Feiran Li , Daisuke Iso

Implicit neural representations have recently demonstrated promising potential in arbitrary-scale Super-Resolution (SR) of images. Most existing methods predict the pixel in the SR image based on the queried coordinate and ensemble nearby…

计算机视觉与模式识别 · 计算机科学 2024-11-12 Minghong Duan , Linhao Qu , Shaolei Liu , Manning Wang