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相关论文: Accelerating Learnt Video Codecs with Gradient Dec…

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While learned video codecs have demonstrated great promise, they have yet to achieve sufficient efficiency for practical deployment. In this work, we propose several novel ideas for learned video compression which allow for improved…

图像与视频处理 · 电气工程与系统科学 2021-10-06 Oren Rippel , Alexander G. Anderson , Kedar Tatwawadi , Sanjay Nair , Craig Lytle , Lubomir Bourdev

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

In learning-based approaches to image compression, codecs are developed by optimizing a computational model to minimize a rate-distortion objective. Currently, the most effective learned image codecs take the form of an entropy-constrained…

图像与视频处理 · 电气工程与系统科学 2020-07-20 David Minnen , Saurabh Singh

The Segment Anything Model 3 (SAM3) advances visual understanding with Promptable Concept Segmentation (PCS) across images and videos, but its unified architecture (shared vision backbone, DETR-style detector, dense-memory tracker) remains…

计算机视觉与模式识别 · 计算机科学 2025-11-21 Chengxi Zeng , Yuxuan Jiang , Aaron Zhang

Recent advances in learned image codecs have been extended from human perception toward machine perception. However, progressive image compression with fine granular scalability (FGS)-which enables decoding a single bitstream at multiple…

计算机视觉与模式识别 · 计算机科学 2025-12-24 Jungwoo Kim , Jun-Hyuk Kim , Jong-Seok Lee

Learned image compression sits at the intersection of machine learning and image processing. With advances in deep learning, neural network-based compression methods have emerged. In this process, an encoder maps the image to a…

计算机视觉与模式识别 · 计算机科学 2025-09-15 Fabien Allemand , Attilio Fiandrotti , Sumanta Chaudhuri , Alaa Eddine Mazouz

In this paper, we propose a learning-based approach for denoising raw videos captured under low lighting conditions. We propose to do this by first explicitly aligning the neighboring frames to the current frame using a convolutional neural…

计算机视觉与模式识别 · 计算机科学 2021-04-19 Avinash Paliwal , Libing Zeng , Nima Khademi Kalantari

Video compression is widely used in digital television, surveillance systems, and virtual reality. Real-time video decoding is crucial in practical scenarios. Recently, neural video compression (NVC) combines traditional coding with deep…

图像与视频处理 · 电气工程与系统科学 2023-12-20 Siyu Zhang , Wendong Mao , Huihong Shi , Zhongfeng Wang

In the context of label-efficient learning on video data, the distillation method and the structural design of the teacher-student architecture have a significant impact on knowledge distillation. However, the relationship between these…

计算机视觉与模式识别 · 计算机科学 2023-07-18 Chao Wang , Zheng Tang

Although deep convolutional neural network has been proved to efficiently eliminate coding artifacts caused by the coarse quantization of traditional codec, it's difficult to train any neural network in front of the encoder for gradient's…

计算机视觉与模式识别 · 计算机科学 2018-01-17 Lijun Zhao , Huihui Bai , Anhong Wang , Yao Zhao

Recently, learning based video compression methods attract increasing attention. However, the previous works suffer from error propagation due to the accumulation of reconstructed error in inter predictive coding. Meanwhile, the previous…

图像与视频处理 · 电气工程与系统科学 2020-03-26 Guo Lu , Chunlei Cai , Xiaoyun Zhang , Li Chen , Wanli Ouyang , Dong Xu , Zhiyong Gao

Diffusion models have achieved remarkable success in video generation; however, the high computational cost of the denoising process remains a major bottleneck. Existing approaches have shown promise in reducing the number of diffusion…

计算机视觉与模式识别 · 计算机科学 2026-02-03 Xiao Liang , Yunzhu Zhang , Linchao Zhu

Perceptual optimization is widely recognized as essential for neural compression, yet balancing the rate-distortion-perception tradeoff remains challenging. This difficulty is especially pronounced in video compression, where frame-wise…

图像与视频处理 · 电气工程与系统科学 2025-10-14 Zongyu Guo , Zhaoyang Jia , Jiahao Li , Xiaoyi Zhang , Bin Li , Yan Lu

Prevalent predictive coding-based video compression methods rely on a heavy encoder to reduce temporal redundancy, which makes it challenging to deploy them on resource-constrained devices. Since the 1970s, distributed source coding theory…

图像与视频处理 · 电气工程与系统科学 2023-04-04 Xinjie Zhang , Jiawei Shao , Jun Zhang

Diffusion models have achieved remarkable progress in the field of video generation. However, their iterative denoising nature requires a large number of inference steps to generate a video, which is slow and computationally expensive. In…

计算机视觉与模式识别 · 计算机科学 2025-03-26 Haiyu Zhang , Xinyuan Chen , Yaohui Wang , Xihui Liu , Yunhong Wang , Yu Qiao

Recent years have witnessed an increasing interest in end-to-end learned video compression. Most previous works explore temporal redundancy by detecting and compressing a motion map to warp the reference frame towards the target frame. Yet,…

图像与视频处理 · 电气工程与系统科学 2022-11-21 Ren Yang , Radu Timofte , Luc Van Gool

Standardized lossy video coding is at the core of almost all real-world video processing pipelines. Rate control is used to enable standard codecs to adapt to different network bandwidth conditions or storage constraints. However, standard…

图像与视频处理 · 电气工程与系统科学 2024-10-08 Christoph Reich , Biplob Debnath , Deep Patel , Tim Prangemeier , Daniel Cremers , Srimat Chakradhar

We present a novel optimization-based decoding algorithm for LDPC codes that is suitable for hardware architectures specialized to feed-forward neural networks. The algorithm is based on the projected gradient descent algorithm with a…

信息论 · 计算机科学 2019-01-16 Tadashi Wadayama , Satoshi Takabe

Learned image compression (LIC) methods have recently outperformed traditional codecs such as VVC in rate-distortion performance. However, their large models and high computational costs have limited their practical adoption. In this paper,…

计算机视觉与模式识别 · 计算机科学 2025-03-14 Haisheng Fu , Jie Liang , Zhenman Fang , Jingning Han

Deep learning-based video compression is a challenging task, and many previous state-of-the-art learning-based video codecs use optical flows to exploit the temporal correlation between successive frames and then compress the residual…

计算机视觉与模式识别 · 计算机科学 2024-03-29 Wufei Ma , Jiahao Li , Bin Li , Yan Lu