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The primary challenge in video super-resolution (VSR) is to handle large motions in the input frames, which makes it difficult to accurately aggregate information from multiple frames. Existing works either adopt deformable convolutions or…

计算机视觉与模式识别 · 计算机科学 2023-05-15 Zhihe Lu , Zeyu Xiao , Jiawang Bai , Zhiwei Xiong , Xinchao Wang

Given the remarkable achievements in image generation through diffusion models, the research community has shown increasing interest in extending these models to video generation. Recent diffusion models for video generation have…

计算机视觉与模式识别 · 计算机科学 2024-09-05 Yuta Oshima , Shohei Taniguchi , Masahiro Suzuki , Yutaka Matsuo

Medical image super-resolution (SR) is essential for enhancing diagnostic accuracy while reducing acquisition cost and scanning time. However, modeling both long-range anatomical structures and fine-grained frequency details with low…

计算机视觉与模式识别 · 计算机科学 2025-11-03 Wenfeng Huang , Xiangyun Liao , Wei Cao , Wenjing Jia , Weixin Si

Optical and Synthetic Aperture Radar (SAR) image registration is crucial for multi-modal image fusion and applications. However, several challenges limit the performance of existing deep learning-based methods in cross-modal image…

计算机视觉与模式识别 · 计算机科学 2026-02-11 Wei Wang , Dou Quan , Ning Huyan , Chonghua Lv , Shuang Wang , Yunan Li , Licheng Jiao

Video super-resolution (VSR) is the task of restoring high-resolution frames from a sequence of low-resolution inputs. Different from single image super-resolution, VSR can utilize frames' temporal information to reconstruct results with…

图像与视频处理 · 电气工程与系统科学 2022-08-25 Wenyi Lian , Wenjing Lian

In the semantic segmentation of remote sensing images, acquiring complete ground objects is critical for achieving precise analysis. However, this task is severely hindered by two major challenges: high intra-class variance and high…

计算机视觉与模式识别 · 计算机科学 2025-08-07 Junyi Wang , Jinjiang Li , Guodong Fan , Yakun Ju , Xiang Fang , Alex C. Kot

Even without auxiliary images, single hyperspectral image super-resolution (SHSR) methods can be designed to improve the spatial resolution of hyperspectral images. However, failing to explore coherence thoroughly along bands and…

图像与视频处理 · 电气工程与系统科学 2025-06-25 Xufei Wang , Mingjian Zhang , Fei Ge , Jinchen Zhu , Wen Sha , Jifen Ren , Zhimeng Hou , Shouguo Zheng , ling Zheng , Shizhuang Weng

With the increase in the number of image data and the lack of corresponding labels, weakly supervised learning has drawn a lot of attention recently in computer vision tasks, especially in the fine-grained semantic segmentation problem. To…

计算机视觉与模式识别 · 计算机科学 2021-10-11 Ke Zhang , Sihong Chen , Qi Ju , Yong Jiang , Yucong Li , Xin He

Autoregressive (AR) diffusion enables streaming, interactive long-video generation by producing frames causally, yet maintaining coherence over minute-scale horizons remains challenging due to accumulated errors, motion drift, and content…

计算机视觉与模式识别 · 计算机科学 2025-12-05 Yifei Yu , Xiaoshan Wu , Xinting Hu , Tao Hu , Yangtian Sun , Xiaoyang Lyu , Bo Wang , Lin Ma , Yuewen Ma , Zhongrui Wang , Xiaojuan Qi

The crux of single-channel speech separation is how to encode the mixture of signals into such a latent embedding space that the signals from different speakers can be precisely separated. Existing methods for speech separation either…

音频与语音处理 · 电气工程与系统科学 2022-02-01 Zengwei Yao , Wenjie Pei , Fanglin Chen , Guangming Lu , David Zhang

Currently, existing efforts in Weakly Supervised Semantic Segmentation (WSSS) based on Convolutional Neural Networks (CNNs) have predominantly focused on enhancing the multi-label classification network stage, with limited attention given…

计算机视觉与模式识别 · 计算机科学 2023-10-25 Jia Zhang , Bo Peng , Xi Wu

Reasoning Segmentation (RS) aims to delineate objects based on implicit text queries, the interpretation of which requires reasoning and knowledge integration. Unlike the traditional formulation of segmentation problems that relies on fixed…

计算机视觉与模式识别 · 计算机科学 2025-05-27 Yiqing Shen , Chenjia Li , Fei Xiong , Jeong-O Jeong , Tianpeng Wang , Michael Latman , Mathias Unberath

Few-Shot Segmentation (FSS) aims to learn class-agnostic segmentation on few classes to segment arbitrary classes, but at the risk of overfitting. To address this, some methods use the well-learned knowledge of foundation models (e.g., SAM)…

计算机视觉与模式识别 · 计算机科学 2025-05-22 Qianxiong Xu , Lanyun Zhu , Xuanyi Liu , Guosheng Lin , Cheng Long , Ziyue Li , Rui Zhao

Few-shot segmentation (FSS) aims to segment new classes using few annotated images. While recent FSS methods have shown considerable improvements by leveraging Segment Anything Model (SAM), they face two critical limitations: insufficient…

计算机视觉与模式识别 · 计算机科学 2025-10-20 Shuai Chen , Fanman Meng , Liming Lei , Haoran Wei , Chenhao Wu , Qingbo Wu , Linfeng Xu , Hongliang Li

Compared with natural images, remote sensing images (RSIs) have the unique characteristic. i.e., larger intraclass variance, which makes semantic segmentation for remote sensing images more challenging. Moreover, existing semantic…

计算机视觉与模式识别 · 计算机科学 2025-03-24 Wei Zhang , Mengting Ma , Yizhen Jiang , Rongrong Lian , Zhenkai Wu , Kangning Cui , Xiaowen Ma

Recently, Referring Image Segmentation (RIS) frameworks that pair the Multimodal Large Language Model (MLLM) with the Segment Anything Model (SAM) have achieved impressive results. However, adapting MLLM to segmentation is computationally…

计算机视觉与模式识别 · 计算机科学 2025-09-18 Xiaobo Yang , Xiaojin Gong

Real-time semantic segmentation has received considerable attention due to growing demands in many practical applications, such as autonomous vehicles, robotics, etc. Existing real-time segmentation approaches often utilize feature fusion…

计算机视觉与模式识别 · 计算机科学 2022-04-20 Jingjing Xiong , Lai-Man Po , Wing-Yin Yu , Chang Zhou , Pengfei Xian , Weifeng Ou

Weakly supervised semantic segmentation (WSSS) aims to bypass the need for laborious pixel-level annotation by using only image-level annotation. Most existing methods rely on Class Activation Maps (CAM) to derive pixel-level pseudo-labels…

计算机视觉与模式识别 · 计算机科学 2023-11-07 Tianle Chen , Zheda Mai , Ruiwen Li , Wei-lun Chao

Point-based interactive image segmentation can ease the burden of mask annotation in applications such as semantic segmentation and image editing. However, fully extracting the target mask with limited user inputs remains challenging. We…

计算机视觉与模式识别 · 计算机科学 2023-12-25 Chaowei Fang , Ziyin Zhou , Junye Chen , Hanjing Su , Qingyao Wu , Guanbin Li

Accurate segmentation of punctate white matter lesion (PWML) in infantile brains by an automatic algorithm can reduce the potential risk of postnatal development. How to segment PWML effectively has become one of the active topics in…

图像与视频处理 · 电气工程与系统科学 2019-07-02 Yalong Liu , Jie Li , Ying Wang , Miaomiao Wang , Xianjun Li , Zhicheng Jiao , Jian Yang , Xingbo Gao