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Tokenized visual representations have shown promise in image compression, yet their extension to video remains underexplored due to the challenges posed by complex temporal dynamics and stringent bit rate constraints. In this paper, we…

图像与视频处理 · 电气工程与系统科学 2025-11-20 Lebin Zhou , Cihan Ruan , Nam Ling , Zhenghao Chen , Wei Wang , Wei Jiang

SNS providers are known to carry out the recompression and resizing of uploaded videos/images, but most conventional methods for detecting tampered videos/images are not robust enough against such operations. In addition, videos are…

计算机视觉与模式识别 · 计算机科学 2022-08-12 Shoko Niwa , Miki Tanaka , Hitoshi Kiya

Video Instance Segmentation (VIS) is a new and inherently multi-task problem, which aims to detect, segment, and track each instance in a video sequence. Existing approaches are mainly based on single-frame features or single-scale features…

计算机视觉与模式识别 · 计算机科学 2022-09-26 Xiangtai Li , Hao He , Yibo Yang , Henghui Ding , Kuiyuan Yang , Guangliang Cheng , Yunhai Tong , Dacheng Tao

Vision-language alignment learning for video-text retrieval arouses a lot of attention in recent years. Most of the existing methods either transfer the knowledge of image-text pretraining model to video-text retrieval task without fully…

计算机视觉与模式识别 · 计算机科学 2023-01-31 Yizhen Chen , Jie Wang , Lijian Lin , Zhongang Qi , Jin Ma , Ying Shan

Contemporary Video Object Segmentation (VOS) approaches typically consist stages of feature extraction, matching, memory management, and multiple objects aggregation. Recent advanced models either employ a discrete modeling for these…

计算机视觉与模式识别 · 计算机科学 2024-03-14 Wanyun Li , Pinxue Guo , Xinyu Zhou , Lingyi Hong , Yangji He , Xiangyu Zheng , Wei Zhang , Wenqiang Zhang

Multi-level features are important for saliency detection. Better combination and use of multi-level features with time information can greatly improve the accuracy of the video saliency model. In order to fully combine multi-level features…

计算机视觉与模式识别 · 计算机科学 2021-09-15 Qinyao Chang , Shiping Zhu

In this paper, we present TAC-SUM, a novel and efficient training-free approach for video summarization that addresses the limitations of existing cluster-based models by incorporating temporal context. Our method partitions the input video…

计算机视觉与模式识别 · 计算机科学 2024-04-17 Hai-Dang Huynh-Lam , Ngoc-Phuong Ho-Thi , Minh-Triet Tran , Trung-Nghia Le

In this paper, the main task we aim to tackle is the multi-instance semi-supervised video object segmentation across a sequence of frames where only the first-frame box-level ground-truth is provided. Detection-based algorithms are widely…

计算机视觉与模式识别 · 计算机科学 2020-04-17 Mingjie Sun , Jimin Xiao , Eng Gee Lim , Bingfeng Zhang , Yao Zhao

This paper presents VideoStreaming, an advanced vision-language large model (VLLM) for video understanding, that capably understands arbitrary-length video with a constant number of video tokens streamingly encoded and adaptively selected.…

计算机视觉与模式识别 · 计算机科学 2024-05-28 Rui Qian , Xiaoyi Dong , Pan Zhang , Yuhang Zang , Shuangrui Ding , Dahua Lin , Jiaqi Wang

The precise tracking and segmentation of surgical instruments have led to a remarkable enhancement in the efficiency of surgical procedures. However, the challenge lies in achieving accurate segmentation of surgical instruments while…

图像与视频处理 · 电气工程与系统科学 2024-08-09 Jieming Yu , Long Bai , Guankun Wang , An Wang , Xiaoxiao Yang , Huxin Gao , Hongliang Ren

A growing number of visual computing applications depend on the analysis of large video collections. The challenge is that scaling applications to operate on these datasets requires efficient systems for pixel data access and parallel…

计算机视觉与模式识别 · 计算机科学 2018-05-21 Alex Poms , Will Crichton , Pat Hanrahan , Kayvon Fatahalian

The drastic variation of motion in spatial and temporal dimensions makes the video prediction task extremely challenging. Existing RNN models obtain higher performance by deepening or widening the model. They obtain the multi-scale features…

计算机视觉与模式识别 · 计算机科学 2024-02-19 Zhifeng Ma , Hao Zhang , Jie Liu

Deep video recognition is more computationally expensive than image recognition, especially on large-scale datasets like Kinetics [1]. Therefore, training scalability is essential to handle a large amount of videos. In this paper, we study…

计算机视觉与模式识别 · 计算机科学 2019-12-10 Ji Lin , Chuang Gan , Song Han

As the parameter size of large language models (LLMs) continues to expand, the need for a large memory footprint and high communication bandwidth have become significant bottlenecks for the training and inference of LLMs. To mitigate these…

机器学习 · 计算机科学 2024-07-02 Ceyu Xu , Yongji Wu , Xinyu Yang , Beidi Chen , Matthew Lentz , Danyang Zhuo , Lisa Wu Wills

With recent video object segmentation (VOS) benchmarks evolving to challenging scenarios, we revisit a simple but overlooked strategy: restricting the size of memory banks. This diverges from the prevalent practice of expanding memory banks…

计算机视觉与模式识别 · 计算机科学 2025-01-15 Junbao Zhou , Ziqi Pang , Yu-Xiong Wang

Space-time memory (STM) network methods have been dominant in semi-supervised video object segmentation (SVOS) due to their remarkable performance. In this work, we identify three key aspects where we can improve such methods; i)…

Human perception is at the core of lossy video compression, with numerous approaches developed for perceptual quality assessment and improvement over the past two decades. In the determination of perceptual quality, different…

图像与视频处理 · 电气工程与系统科学 2023-04-11 Evgenya Pergament , Pulkit Tandon , Oren Rippel , Lubomir Bourdev , Alexander G. Anderson , Bruno Olshausen , Tsachy Weissman , Sachin Katti , Kedar Tatwawadi

Video Temporal Grounding (VTG) strives to accurately pinpoint event timestamps in a specific video using linguistic queries, significantly impacting downstream tasks like video browsing and editing. Unlike traditional task-specific models,…

计算机视觉与模式识别 · 计算机科学 2025-02-04 Yongxin Guo , Jingyu Liu , Mingda Li , Dingxin Cheng , Xiaoying Tang , Dianbo Sui , Qingbin Liu , Xi Chen , Kevin Zhao

In recent years, there has been remarkable progress in supervised image segmentation. Video segmentation is less explored, despite the temporal dimension being highly informative. Semantic labels, e.g. that cannot be accurately detected in…

计算机视觉与模式识别 · 计算机科学 2019-08-30 Radu Sibechi , Olaf Booij , Nora Baka , Peter Bloem

Real-time semantic video segmentation is a challenging task due to the strict requirements of inference speed. Recent approaches mainly devote great efforts to reducing the model size for high efficiency. In this paper, we rethink this…

计算机视觉与模式识别 · 计算机科学 2020-08-19 Junyi Feng , Songyuan Li , Xi Li , Fei Wu , Qi Tian , Ming-Hsuan Yang , Haibin Ling