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Vision-Language Models (VLMs) have demonstrated strong capabilities in multimodal understanding and generation tasks. However, their application to long video understanding remains hindered by the quadratic complexity of standard attention…

计算机视觉与模式识别 · 计算机科学 2025-07-30 Letian Kang , Shixian Luo , Yiqiang Li , Yuxin Yin , Shenxuan Zhou , Xiaoyang Yu , Jin Yang , Yong Wu

We present a scalable and efficient neural waveform coding system for speech compression. We formulate the speech coding problem as an autoencoding task, where a convolutional neural network (CNN) performs encoding and decoding as a neural…

音频与语音处理 · 电气工程与系统科学 2021-11-30 Kai Zhen , Jongmo Sung , Mi Suk Lee , Seungkwon Beak , Minje Kim

Neural video compression (NVC) technologies have advanced rapidly in recent years, yielding state-of-the-art schemes such as DCVC-RT that offer superior compression efficiency to H.266/VVC and real-time encoding/decoding capabilities.…

计算机视觉与模式识别 · 计算机科学 2026-03-11 Hui Xiang , Yifan Bian , Li Li , Jingran Wu , Xianguo Zhang , Dong Liu

We identify two crucial limitations in the evaluation of recent parallel-integrated method Parallel Context Windows (PCW), which extends the maximum context lengths of language models, e.g., 2048 for LLaMA, by harnessing window-wise…

计算与语言 · 计算机科学 2023-05-25 Kejuan Yang , Xiao Liu , Kaiwen Men , Aohan Zeng , Yuxiao Dong , Jie Tang

This paper develops a novel encoder-decoder deep network architecture which exploits the several contextual frames of 2D+t sequential images in a sliding window centered at current frame to segment 2D vessel masks from the current frame.…

计算机视觉与模式识别 · 计算机科学 2021-02-11 Dongdong Hao , Song Ding , Linwei Qiu , Yisong Lv , Baowei Fei , Yueqi Zhu , Binjie Qin

The integration of advanced video codecs into the streaming pipeline is growing in response to the increasing demand for high quality video content. However, the significant computational demand for advanced codecs like Versatile Video…

多媒体 · 计算机科学 2023-12-14 Yiqun Liu , Hadi Amirpour , Mohsen Abdoli , Christian Timmerer , Thomas Guionnet

Real-time decoding plays a crucial role in practical fault-tolerant quantum computing. Window decoding, in which the decoding problem is divided into windows, is a promising approach. While reducing the window size is desirable for faster…

This paper aims to delve into the rate-distortion-complexity trade-offs of modern neural video coding. Recent years have witnessed much research effort being focused on exploring the full potential of neural video coding. Conditional…

图像与视频处理 · 电气工程与系统科学 2024-10-08 Yi-Hsin Chen , Kuan-Wei Ho , Martin Benjak , Jörn Ostermann , Wen-Hsiao Peng

Due to the phenomenon of "posterior collapse," current latent variable generative models pose a challenging design choice that either weakens the capacity of the decoder or requires augmenting the objective so it does not only maximize the…

机器学习 · 计算机科学 2019-01-14 Ali Razavi , Aäron van den Oord , Ben Poole , Oriol Vinyals

With their high energy efficiency, processing-in-memory (PIM) arrays are increasingly used for convolutional neural network (CNN) inference. In PIM-based CNN inference, the computational latency and energy are dependent on how the CNN…

机器学习 · 计算机科学 2021-12-22 Johnny Rhe , Sungmin Moon , Jong Hwan Ko

How can neural networks be trained on large-volume temporal data efficiently? To compute the gradients required to update parameters, backpropagation blocks computations until the forward and backward passes are completed. For temporal…

计算机视觉与模式识别 · 计算机科学 2021-07-13 Mateusz Malinowski , Dimitrios Vytiniotis , Grzegorz Swirszcz , Viorica Patraucean , Joao Carreira

The rise of new video modalities like virtual reality or autonomous driving has increased the demand for efficient multi-view video compression methods, both in terms of rate-distortion (R-D) performance and in terms of delay and runtime.…

计算机视觉与模式识别 · 计算机科学 2024-03-27 Qiqi Hou , Farzad Farhadzadeh , Amir Said , Guillaume Sautiere , Hoang Le

Over the past several years, we have witnessed impressive progress in the field of learned image compression. Recent learned image codecs are commonly based on autoencoders, that first encode an image into low-dimensional latent…

计算机视觉与模式识别 · 计算机科学 2021-11-02 Zongyu Guo , Zhizheng Zhang , Runsen Feng , Zhibo Chen

While recent semantic segmentation networks heavily rely on powerful pretrained encoders, most employ simplistic decoders, leading to suboptimal trade-offs between semantic context and fine-grained detail preservation. To address this, we…

计算机视觉与模式识别 · 计算机科学 2025-10-27 Guoan Xu , Yang Xiao , Wenjing Jia , Guangwei Gao , Guo-Jun Qi , Chia-Wen Lin

As industrial systems become more complex and monitoring sensors for everything from surveillance to our health become more ubiquitous, multivariate time series prediction is taking an important place in the smooth-running of our society. A…

机器学习 · 计算机科学 2022-03-03 Fan Jin , Ke Zhang , Yipan Huang , Yifei Zhu , Baiping Chen

Polar codes have become one of the most favorable capacity achieving error correction codes (ECC) along with their simple encoding method. However, among the very few prior successive cancellation (SC) polar decoder designs, the required…

硬件体系结构 · 计算机科学 2011-11-04 Chuan Zhang , Bo Yuan , Keshab K. Parhi

Over the past two decades, traditional block-based video coding has made remarkable progress and spawned a series of well-known standards such as MPEG-4, H.264/AVC and H.265/HEVC. On the other hand, deep neural networks (DNNs) have shown…

图像与视频处理 · 电气工程与系统科学 2020-07-10 Haojie Liu , Ming Lu , Zhan Ma , Fan Wang , Zhihuang Xie , Xun Cao , Yao Wang

While modern best practices advocate for scalable architectures that support long-range interactions, object-centric models are yet to fully embrace these architectures. In particular, existing object-centric models for handling sequential…

机器学习 · 计算机科学 2024-02-28 Gautam Singh , Yue Wang , Jiawei Yang , Boris Ivanovic , Sungjin Ahn , Marco Pavone , Tong Che

Video compression performance is closely related to the accuracy of inter prediction. It tends to be difficult to obtain accurate inter prediction for the local video regions with inconsistent motion and occlusion. Traditional video coding…

计算机视觉与模式识别 · 计算机科学 2024-01-30 Xihua Sheng , Li Li , Dong Liu , Houqiang Li

Entropy estimation is essential for the performance of learned image compression. It has been demonstrated that a transformer-based entropy model is of critical importance for achieving a high compression ratio, however, at the expense of a…

图像与视频处理 · 电气工程与系统科学 2024-02-28 A. Burakhan Koyuncu , Panqi Jia , Atanas Boev , Elena Alshina , Eckehard Steinbach