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Typical deep neural video compression networks usually follow the hybrid approach of classical video coding that contains two separate modules: motion coding and residual coding. In addition, a symmetric auto-encoder is often used as a…

图像与视频处理 · 电气工程与系统科学 2024-11-27 Van Thang Nguyen

In recent years, resolution adaptation based on deep neural networks has enabled significant performance gains for conventional (2D) video codecs. This paper investigates the effectiveness of spatial resolution resampling in the context of…

图像与视频处理 · 电气工程与系统科学 2022-02-28 Angeliki Katsenou , Fan Zhang , David Bull

Conventional video compression approaches use the predictive coding architecture and encode the corresponding motion information and residual information. In this paper, taking advantage of both classical architecture in the conventional…

图像与视频处理 · 电气工程与系统科学 2019-04-09 Guo Lu , Wanli Ouyang , Dong Xu , Xiaoyun Zhang , Chunlei Cai , Zhiyong Gao

This paper provides a technical overview of a deep-learning-based encoder method aiming at optimizing next generation hybrid video encoders for driving the block partitioning in intra slices. An encoding approach based on Convolutional…

Subcode-ensemble decoders improve iterative decoding by running multiple decoders in parallel over carefully chosen subcodes, increasing the likelihood that at least one decoder avoids the dominant trapping structures. Achieving strong…

信息论 · 计算机科学 2026-02-10 Yubeen Jo , Geon Choi , Chanho Park , Namyoon Lee

Learning-based video compression has been extensively studied over the past years, but it still has limitations in adapting to various motion patterns and entropy models. In this paper, we propose multi-mode video compression (MMVC), a…

图像与视频处理 · 电气工程与系统科学 2023-04-06 Bowen Liu , Yu Chen , Rakesh Chowdary Machineni , Shiyu Liu , Hun-Seok Kim

This fourth and last tome is focusing on describing the envisioned works for a project that has been presented in the preceding tome. It is about a new approach dedicated to the coding of still and moving pictures, trying to bridge the…

计算机视觉与模式识别 · 计算机科学 2020-01-14 Olivier Guye

Monocular 3D object detection is a low-cost but challenging task, as it requires generating accurate 3D localization solely from a single image input. Recent developed depth-assisted methods show promising results by using explicit depth…

计算机视觉与模式识别 · 计算机科学 2023-07-04 Zizhang Wu , Yunzhe Wu , Jian Pu , Xianzhi Li , Xiaoquan Wang

Monocular 3D detection (M3D) aims for precise 3D object localization from a single-view image which usually involves labor-intensive annotation of 3D detection boxes. Weakly supervised M3D has recently been studied to obviate the 3D…

计算机视觉与模式识别 · 计算机科学 2024-03-01 Xueying Jiang , Sheng Jin , Lewei Lu , Xiaoqin Zhang , Shijian Lu

In this work we propose a novel deep learning approach for ultra-low bitrate video compression for video conferencing applications. To address the shortcomings of current video compression paradigms when the available bandwidth is extremely…

计算机视觉与模式识别 · 计算机科学 2020-12-02 Goluck Konuko , Giuseppe Valenzise , Stéphane Lathuilière

Scaling and lossy coding are widely used in video transmission and storage. Previous methods for enhancing the resolution of such videos often ignore the inherent interference between resolution loss and compression artifacts, which…

计算机视觉与模式识别 · 计算机科学 2021-03-29 Dewang Hou , Yang Zhao , Yuyao Ye , Jiayu Yang , Jian Zhang , Ronggang Wang

Product codes (PCs) and staircase codes (SCCs) are conventionally decoded based on bounded distance decoding (BDD) of the component codes and iterating between row and column decoders. The performance of iterative BDD (iBDD) can be improved…

信息论 · 计算机科学 2021-09-08 Alireza Sheikh , Alexandre Graell i Amat , Alex Alvarado

Multiple Description Coding (MDC) is a promising error-resilient source coding method that is particularly suitable for dynamic networks with multiple (yet noisy and unreliable) paths. However, conventional MDC video codecs suffer from…

计算机视觉与模式识别 · 计算机科学 2024-12-12 Xinyue Hu , Wei Ye , Jiaxiang Tang , Eman Ramadan , Zhi-Li Zhang

The proliferation of high resolution videos posts great storage and bandwidth pressure on cloud video services, driving the development of next-generation video codecs. Despite great progress made in neural video coding, existing approaches…

计算机视觉与模式识别 · 计算机科学 2024-07-11 Yueyu Hu , Chenhao Zhang , Onur G. Guleryuz , Debargha Mukherjee , Yao Wang

To date, Versatile Video Coding (VVC) has a more magnificent overall performance than High Efficiency Video Coding (HEVC). The Quadtree with Nested Multi-Type Tree (QTMT) coding block structure can substantially enhance video coding quality…

多媒体 · 计算机科学 2023-01-18 Jielian Lin , Hongbin Lin , Zhichen Zhang , Yiwen Xu , Tiesong Zhao

UAVs have become an essential photogrammetric measurement as they are affordable, easily accessible and versatile. Aerial images captured from UAVs have applications in small and large scale texture mapping, 3D modelling, object detection…

计算机视觉与模式识别 · 计算机科学 2020-12-22 Logambal Madhuanand , Francesco Nex , Michael Ying Yang

High-fidelity neural audio codecs in Text-to-speech (TTS) aim to compress speech signals into discrete representations for faithful reconstruction. However, prior approaches faced challenges in effectively disentangling acoustic and…

声音 · 计算机科学 2025-09-23 Ruonan Zhang , Xiaoyang Hao , Yichen Han , Junjie Cao , Yue Liu , Kai Zhang

Recent advances in monocular 3D detection leverage a depth estimation network explicitly as an intermediate stage of the 3D detection network. Depth map approaches yield more accurate depth to objects than other methods thanks to the depth…

计算机视觉与模式识别 · 计算机科学 2022-11-01 Youngseok Kim , Sanmin Kim , Sangmin Sim , Jun Won Choi , Dongsuk Kum

Point cloud is a fundamental 3D representation which is widely used in real world applications such as autonomous driving. As a newly-developed media format which is characterized by complexity and irregularity, point cloud creates a need…

计算机视觉与模式识别 · 计算机科学 2019-05-10 Wei Yan , Yiting shao , Shan Liu , Thomas H Li , Zhu Li , Ge Li

Since its inception, Benders Decomposition (BD) has been successfully applied to a wide range of large-scale mixed-integer (linear) problems. The key element of BD is the derivation of Benders cuts, which are often not unique. In this…

最优化与控制 · 数学 2024-05-21 Mojtaba Hosseini , John Turner