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Voice conversion is becoming increasingly popular, and a growing number of application scenarios require models with streaming inference capabilities. The recently proposed DualVC attempts to achieve this objective through streaming model…

音频与语音处理 · 电气工程与系统科学 2024-01-19 Ziqian Ning , Yuepeng Jiang , Pengcheng Zhu , Shuai Wang , Jixun Yao , Lei Xie , Mengxiao Bi

Background subtraction is a basic task in computer vision and video processing often applied as a pre-processing step for object tracking, people recognition, etc. Recently, a number of successful background-subtraction algorithms have been…

计算机视觉与模式识别 · 计算机科学 2020-01-15 M. Ozan Tezcan , Prakash Ishwar , Janusz Konrad

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

Denoising is a crucial step in many video processing pipelines such as in interactive editing, where high quality, speed, and user control are essential. While recent approaches achieve significant improvements in denoising quality by…

计算机视觉与模式识别 · 计算机科学 2025-04-07 Xin Jin , Simon Niklaus , Zhoutong Zhang , Zhihao Xia , Chunle Guo , Yuting Yang , Jiawen Chen , Chongyi Li

The scalability of high-fidelity video diffusion models (VDMs) is constrained by two key sources of redundancy: the quadratic complexity of global spatio-temporal attention and the computational overhead of long iterative denoising…

计算机视觉与模式识别 · 计算机科学 2025-12-08 Xinjian Wu , Hongmei Wang , Yuan Zhou , Qinglin Lu

Recently, deep learning-based image denoising methods have achieved promising performance on test data with the same distribution as training set, where various denoising models based on synthetic or collected real-world training data have…

计算机视觉与模式识别 · 计算机科学 2022-06-09 Pengju Liu , Hongzhi Zhang , Jinghui Wang , Yuzhi Wang , Dongwei Ren , Wangmeng Zuo

Deep learning algorithms have significantly reduced the computational time and improved the spatial resolution of particle image velocimetry~(PIV). However, the models trained on synthetic datasets might have a degraded performance on…

计算机视觉与模式识别 · 计算机科学 2025-04-22 Qianyu Zhu , Junjie Wang , Jeremiah Hu , Jia Ai , Yong Lee

Diffusion probabilistic models (DPMs) and their extensions have emerged as competitive generative models yet confront challenges of efficient sampling. We propose a new bilateral denoising diffusion model (BDDM) that parameterizes both the…

音频与语音处理 · 电气工程与系统科学 2022-03-28 Max W. Y. Lam , Jun Wang , Dan Su , Dong Yu

Dataset distillation aims to synthesize compact yet informative datasets that allow models trained on them to achieve performance comparable to training on the full dataset. While this approach has shown promising results for image data,…

计算机视觉与模式识别 · 计算机科学 2025-12-17 Zhenghao Zhao , Haoxuan Wang , Kai Wang , Yuzhang Shang , Yuan Hong , Yan Yan

Diffusion models have recently advanced video restoration, but applying them to real-world video super-resolution (VSR) remains challenging due to high latency, prohibitive computation, and poor generalization to ultra-high resolutions. Our…

计算机视觉与模式识别 · 计算机科学 2025-10-15 Junhao Zhuang , Shi Guo , Xin Cai , Xiaohui Li , Yihao Liu , Chun Yuan , Tianfan Xue

Models optimized for accuracy on single images are often prohibitively slow to run on each frame in a video. Recent work exploits the use of optical flow to warp image features forward from select keyframes, as a means to conserve…

计算机视觉与模式识别 · 计算机科学 2018-10-10 Samvit Jain , Joseph E. Gonzalez

It is well believed that video captioning is a fundamental but challenging task in both computer vision and artificial intelligence fields. The prevalent approach is to map an input video to a variable-length output sentence in a sequence…

计算机视觉与模式识别 · 计算机科学 2019-05-06 Jingwen Chen , Yingwei Pan , Yehao Li , Ting Yao , Hongyang Chao , Tao Mei

Hyperspectral images (HSIs) have been widely applied in many fields, such as military, agriculture, and environment monitoring. Nevertheless, HSIs commonly suffer from various types of noise during acquisition. Therefore, denoising is…

图像与视频处理 · 电气工程与系统科学 2021-04-07 Yan Gao , Feng Gao , Junyu Dong

Visual artifacts are often introduced into streamed video content, due to prevailing conditions during content production and delivery. Since these can degrade the quality of the user's experience, it is important to automatically and…

图像与视频处理 · 电气工程与系统科学 2025-06-03 Chen Feng , Duolikun Danier , Fan Zhang , Alex Mackin , Andrew Collins , David Bull

We propose the first joint audio-video generation framework that brings engaging watching and listening experiences simultaneously, towards high-quality realistic videos. To generate joint audio-video pairs, we propose a novel Multi-Modal…

计算机视觉与模式识别 · 计算机科学 2023-03-27 Ludan Ruan , Yiyang Ma , Huan Yang , Huiguo He , Bei Liu , Jianlong Fu , Nicholas Jing Yuan , Qin Jin , Baining Guo

Diffusion models have garnered significant interest from the community for their great generative ability across various applications. However, their typical multi-step sequential-denoising nature gives rise to high cumulative latency,…

计算机视觉与模式识别 · 计算机科学 2024-09-27 Zigeng Chen , Xinyin Ma , Gongfan Fang , Zhenxiong Tan , Xinchao Wang

Denoising and demosaicking are two fundamental steps in reconstructing a clean full-color video from raw data, while performing video denoising and demosaicking jointly, namely VJDD, could lead to better video restoration performance than…

计算机视觉与模式识别 · 计算机科学 2023-12-29 Shi Guo , Jianqi Ma , Xi Yang , Zhengqiang Zhang , Lei Zhang

Benefiting from the advancements in large language models and cross-modal alignment, existing multi-modal video understanding methods have achieved prominent performance in offline scenario. However, online video streams, as one of the most…

计算机视觉与模式识别 · 计算机科学 2024-07-02 Haoji Zhang , Yiqin Wang , Yansong Tang , Yong Liu , Jiashi Feng , Jifeng Dai , Xiaojie Jin

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…

计算机视觉与模式识别 · 计算机科学 2020-05-25 Beibei Jin , Yu Hu , Qiankun Tang , Jingyu Niu , Zhiping Shi , Yinhe Han , Xiaowei Li

In this paper, we consider the task of space-time video super-resolution (ST-VSR), which can increase the spatial resolution and frame rate for a given video simultaneously. Despite the remarkable progress of recent methods, most of them…

计算机视觉与模式识别 · 计算机科学 2022-11-17 Yuantong Zhang , Huairui Wang , Han Zhu , Zhenzhong Chen