中文
相关论文

相关论文: On the Choice of Perception Loss Function for Lear…

200 篇论文

We consider causal, low-latency, sequential lossy compression, with mean squared-error (MSE) as the distortion loss, and a perception loss function (PLF) to enhance the realism of reconstructions. As the main contribution, we propose and…

机器学习 · 计算机科学 2025-02-18 Sadaf Salehkalaibar , Buu Phan , Likun Cai , Joao Atz Dick , Wei Yu , Jun Chen , Ashish Khisti

The Perception-Distortion tradeoff (PD-tradeoff) theory suggests that face restoration algorithms must balance perceptual quality and fidelity. To achieve minimal distortion while maintaining perfect perceptual quality, Posterior-Mean…

计算机视觉与模式识别 · 计算机科学 2025-07-02 Xin Luo , Menglin Zhang , Yunwei Lan , Tianyu Zhang , Rui Li , Chang Liu , Dong Liu

With the growing demand for video applications, many advanced learned video compression methods have been developed, outperforming traditional methods in terms of objective quality metrics such as PSNR. Existing methods primarily focus on…

图像与视频处理 · 电气工程与系统科学 2023-10-10 Meng Li , Yibo Shi , Jing Wang , Yunqi Huang

Rate-distortion optimization (RDO) of codecs, where distortion is quantified by the mean-square error, has been a standard practice in image/video compression over the years. RDO serves well for optimization of codec performance for…

图像与视频处理 · 电气工程与系统科学 2021-05-03 Ogun Kirmemis , A. Murat Tekalp

Recent work has shown that learned image compression strategies can outperform standard hand-crafted compression algorithms that have been developed over decades of intensive research on the rate-distortion trade-off. With growing…

图像与视频处理 · 电气工程与系统科学 2021-11-04 Felipe Codevilla , Jean Gabriel Simard , Ross Goroshin , Chris Pal

Learning-based image compression methods have emerged as state-of-the-art, showcasing higher performance compared to conventional compression solutions. These data-driven approaches aim to learn the parameters of a neural network model…

多媒体 · 计算机科学 2024-03-20 Shima Mohammadi , Yaojun Wu , João Ascenso

Nowadays, deep-learning image coding solutions have shown similar or better compression efficiency than conventional solutions based on hand-crafted transforms and spatial prediction techniques. These deep-learning codecs require a large…

多媒体 · 计算机科学 2023-11-13 Shima Mohammadi , Joao Ascenso

The emerging Learned Compression (LC) replaces the traditional codec modules with Deep Neural Networks (DNN), which are trained end-to-end for rate-distortion performance. This approach is considered as the future of image/video…

图像与视频处理 · 电气工程与系统科学 2024-07-08 Farhad Pakdaman , Moncef Gabbouj

A second-order-based latent factor (SLF) analysis model demonstrates superior performance in graph representation learning, particularly for high-dimensional and incomplete (HDI) interaction data, by incorporating the curvature information…

机器学习 · 计算机科学 2024-09-05 Jialiang Wang , Yan Xia , Ye Yuan

The rate-distortion-perception function (RDPF; Blau and Michaeli, 2019) has emerged as a useful tool for thinking about realism and distortion of reconstructions in lossy compression. Unlike the rate-distortion function, however, it is…

信息论 · 计算机科学 2021-04-29 Lucas Theis , Aaron B. Wagner

Emerging Learned image Compression (LC) achieves significant improvements in coding efficiency by end-to-end training of neural networks for compression. An important benefit of this approach over traditional codecs is that any optimization…

图像与视频处理 · 电气工程与系统科学 2024-02-06 Farhad Pakdaman , Sanaz Nami , Moncef Gabbouj

Lossy compression algorithms are typically designed to achieve the lowest possible distortion at a given bit rate. However, recent studies show that pursuing high perceptual quality would lead to increase of the lowest achievable distortion…

信息论 · 计算机科学 2021-06-15 Zeyu Yan , Fei Wen , Rendong Ying , Chao Ma , Peilin Liu

Recently, learned image compression schemes have achieved remarkable improvements in image fidelity (e.g., PSNR and MS-SSIM) compared to conventional hybrid image coding ones due to their high-efficiency non-linear transform, end-to-end…

图像与视频处理 · 电气工程与系统科学 2023-03-09 Feng Ding , Jian Jin , Lili Meng , Weisi Lin

Motion compensation is one of the most essential methods for any video compression algorithm. Video frame prediction is a task analogous to motion compensation. In recent years, the task of frame prediction is undertaken by deep neural…

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

Compressed video action recognition classifies video samples by leveraging the different modalities in compressed videos, namely motion vectors, residuals, and intra-frames. For this purpose, three neural networks are deployed, each…

计算机视觉与模式识别 · 计算机科学 2024-07-04 Efstathia Soufleri , Deepak Ravikumar , Kaushik Roy

In recent years, there has been rapid development in learned image compression techniques that prioritize ratedistortion-perceptual compression, preserving fine details even at lower bit-rates. However, current learning-based image…

计算机视觉与模式识别 · 计算机科学 2023-05-19 Peirong Ning , Wei Jiang , Ronggang Wang

The past few years have witnessed increasing interests in applying deep learning to video compression. However, the existing approaches compress a video frame with only a few number of reference frames, which limits their ability to fully…

图像与视频处理 · 电气工程与系统科学 2021-03-18 Ren Yang , Fabian Mentzer , Luc Van Gool , Radu Timofte

In the context of lossy compression, Blau & Michaeli (2019) adopt a mathematical notion of perceptual quality and define the information rate-distortion-perception function, generalizing the classical rate-distortion tradeoff. We consider…

信息论 · 计算机科学 2021-12-23 George Zhang , Jingjing Qian , Jun Chen , Ashish Khisti

Deep neural networks have recently advanced the state-of-the-art in image compression and surpassed many traditional compression algorithms. The training of such networks involves carefully trading off entropy of the latent representation…

图像与视频处理 · 电气工程与系统科学 2020-11-03 Maurice Weber , Cedric Renggli , Helmut Grabner , Ce Zhang

Existing learning-based video compression methods still face challenges related to inaccurate motion estimates and inadequate motion compensation structures. These issues result in compression errors and a suboptimal rate-distortion…

图像与视频处理 · 电气工程与系统科学 2025-03-13 Md baharul Islam , Afsana Ahsan Jeny
‹ 上一页 1 2 3 10 下一页 ›