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It has recently been demonstrated that spatial resolution adaptation can be integrated within video compression to improve overall coding performance by spatially down-sampling before encoding and super-resolving at the decoder. Significant…

图像与视频处理 · 电气工程与系统科学 2021-01-21 Di Ma , Fan Zhang , David R. Bull

We present a novel perspective on learning video embedders for generative modeling: rather than requiring an exact reproduction of an input video, an effective embedder should focus on synthesizing visually plausible reconstructions. This…

计算机视觉与模式识别 · 计算机科学 2025-03-12 Yitian Zhang , Long Mai , Aniruddha Mahapatra , David Bourgin , Yicong Hong , Jonah Casebeer , Feng Liu , Yun Fu

Internet-enabled smartphones and ultra-wide displays are transforming a variety of visual apps spanning from on-demand movies and 360-degree videos to video-conferencing and live streaming. However, robustly delivering visual content under…

计算机视觉与模式识别 · 计算机科学 2020-10-26 Royson Lee , Stylianos I. Venieris , Nicholas D. Lane

Recent advances in diffusion models have demonstrated remarkable capabilities in video generation. However, the computational intensity remains a significant challenge for practical applications. While feature caching has been proposed to…

计算机视觉与模式识别 · 计算机科学 2025-07-29 Xuran Ma , Yexin Liu , Yaofu Liu , Xianfeng Wu , Mingzhe Zheng , Zihao Wang , Ser-Nam Lim , Harry Yang

Nowadays, an enormous amount of videos are streamed every day to countless users, all using different devices and networks. These videos must be adapted in order to provide users with the most suitable video representation based on their…

In recent years, neural network-based image compression techniques have been able to outperform traditional codecs and have opened the gates for the development of learning-based video codecs. However, to take advantage of the high temporal…

图像与视频处理 · 电气工程与系统科学 2020-08-25 Aishwarya Jadhav

Positron Emission Tomography (PET) is an important clinical imaging tool but inevitably introduces radiation hazards to patients and healthcare providers. Reducing the tracer injection dose and eliminating the CT acquisition for attenuation…

计算机视觉与模式识别 · 计算机科学 2024-06-18 Tianqi Chen , Jun Hou , Yinchi Zhou , Huidong Xie , Xiongchao Chen , Qiong Liu , Xueqi Guo , Menghua Xia , James S. Duncan , Chi Liu , Bo Zhou

Online video streaming has fundamental limitations on the transmission bandwidth and computational capacity and super-resolution is a promising potential solution. However, applying existing video super-resolution methods to online…

图像与视频处理 · 电气工程与系统科学 2023-07-26 Guanghao Yin , Zefan Qu , Xinyang Jiang , Shan Jiang , Zhenhua Han , Ningxin Zheng , Xiaohong Liu , Huan Yang , Yuqing Yang , Dongsheng Li , Lili Qiu

Recent years have witnessed the significant development of learning-based video compression methods, which aim at optimizing objective or perceptual quality and bit rates. In this paper, we introduce deep video compression with perceptual…

图像与视频处理 · 电气工程与系统科学 2021-10-11 Saiping Zhang , Marta Mrak , Luis Herranz , Marc Górriz , Shuai Wan , Fuzheng Yang

The most advanced diffusion models have recently adopted increasingly deep stacked networks (e.g., U-Net or Transformer) to promote the generative emergence capabilities of vision generation models similar to large language models (LLMs).…

计算机视觉与模式识别 · 计算机科学 2024-07-23 Zhiyuan Ma , Liangliang Zhao , Biqing Qi , Bowen Zhou

Recent deep-learning-based video compression methods brought coding gains over conventional codecs such as AVC and HEVC. However, learning-based codecs generally require considerable computation time and model complexity. In this paper, we…

图像与视频处理 · 电气工程与系统科学 2023-03-22 Hochang Rhee , Seyun Kim , Nam Ik Cho

Recently, with the tremendous success of diffusion models in the field of text-to-image (T2I) generation, increasing attention has been directed toward their potential in text-to-video (T2V) applications. However, the computational demands…

计算机视觉与模式识别 · 计算机科学 2025-01-29 Wenfeng Lin , Jiangchuan Wei , Boyuan Liu , Yichen Zhang , Shiyue Yan , Mingyu Guo

Some state-of-art multimedia source encoders produce embedded source bit streams that upon the reliable reception of only a fraction of the total bit stream, the decoder is able reconstruct the source up to a basic quality. Reliable…

多媒体 · 计算机科学 2014-03-04 Suayb S. Arslan

The convolution neural nets (conv nets) have achieved a state-of-the-art performance in many applications of image and video processing. The most recent studies illustrate that the conv nets are fragile in terms of recognition accuracy to…

计算机视觉与模式识别 · 计算机科学 2019-10-25 Sergey Tarasenko , Fumihiko Takahashi

The enhanced Deep Hierarchical Video Compression-DHVC 2.0-has been introduced. This single-model neural video codec operates across a broad range of bitrates, delivering not only superior compression performance to representative methods…

图像与视频处理 · 电气工程与系统科学 2024-10-04 Ming Lu , Zhihao Duan , Wuyang Cong , Dandan Ding , Fengqing Zhu , Zhan Ma

Vision-language models (VLMs) could power real-time assistants and autonomous agents, but they face a critical challenge: understanding near-infinite video streams without escalating latency and memory usage. Processing entire videos with…

计算机视觉与模式识别 · 计算机科学 2025-10-13 Ruyi Xu , Guangxuan Xiao , Yukang Chen , Liuning He , Kelly Peng , Yao Lu , Song Han

HTTP Adaptive Streaming (HAS) is a widely adopted method for delivering video content over the Internet, requiring each video to be encoded at multiple bitrates and resolution pairs, known as representations, to adapt to various network…

多媒体 · 计算机科学 2025-03-04 Kamran Qureshi , Hadi Amirpour , Christian Timmerer

Streaming Video Large Language Models (VideoLLMs) have demonstrated impressive performance across various video understanding tasks, but they face significant challenges in real-time deployment due to the high computational cost of…

计算机视觉与模式识别 · 计算机科学 2026-02-12 Yiyu Wang , Xuyang Liu , Xiyan Gui , Xinying Lin , Boxue Yang , Chenfei Liao , Tailai Chen , Linfeng Zhang

The performance of optical character recognition (OCR) heavily relies on document image quality, which is crucial for automatic document processing and document intelligence. However, most existing document enhancement methods require…

计算机视觉与模式识别 · 计算机科学 2023-11-17 Jiaxin Zhang , Joy Rimchala , Lalla Mouatadid , Kamalika Das , Sricharan Kumar

Online Cloud gaming demands real-time, high-quality video transmission across variable wide-area networks (WANs). Neural-enhanced video transmission algorithms employing super-resolution (SR) for video quality enhancement have effectively…

网络与互联网体系结构 · 计算机科学 2025-01-14 Shan Jiang , Zhenhua Han , Haisheng Tan , Xinyang Jiang , Yifan Yang , Xiaoxi Zhang , Hongqiu Ni , Yuqing Yang , Xiang-Yang Li
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