中文
相关论文

相关论文: JPEG Meets PDE-based Image Compression

200 篇论文

In recent years, partial differential equation (PDE) systems have been successfully applied to the binarization of text images, achieving promising results. Inspired by the DH model and incorporating a novel image modeling approach, this…

计算机视觉与模式识别 · 计算机科学 2025-03-12 Youjin Liu , Yu Wang

As a commonly-used image compression format, JPEG has been broadly applied in the transmission and storage of images. To further reduce the compression cost while maintaining the quality of JPEG images, lossless transcoding technology has…

计算机视觉与模式识别 · 计算机科学 2022-08-25 Xiaoshuai Fan , Xin Li , Zhibo Chen

Partitioning an image into superpixels based on the similarity of pixels with respect to features such as colour or spatial location can significantly reduce data complexity and improve subsequent image processing tasks. Initial algorithms…

计算机视觉与模式识别 · 计算机科学 2022-11-30 Jakob Geusen , Gustav Bredell , Tianfei Zhou , Ender Konukoglu

Autoencoder-based image codecs achieve state-of-the-art compression performance but often incur high computational complexity, particularly at decoding time. This work introduces a low-complexity learned image compression framework based on…

图像与视频处理 · 电气工程与系统科学 2026-05-14 Théophile Blard , Pierrick Philippe , Théo Ladune , Xiaoran Jiang , Olivier Déforges

In this paper we focus on learning optimized partial differential equation (PDE) models for image filtering. In this approach, the grey-scaled images are represented by a vector field of two real-valued functions and the image restoration…

数值分析 · 数学 2019-07-12 Sílvia Barbeiro , Diogo Lobo

Inpainting-based compression methods are qualitatively promising alternatives to transform-based codecs, but they suffer from the high computational cost of the inpainting step. This prevents them from being applicable to time-critical…

图像与视频处理 · 电气工程与系统科学 2022-02-15 Niklas Kämper , Joachim Weickert

Joint Photographic Experts Group (JPEG) achieves data compression by quantizing Discrete Cosine Transform (DCT) coefficients, which inevitably introduces compression artifacts. Most existing JPEG quality enhancement methods operate in the…

图像与视频处理 · 电气工程与系统科学 2025-06-27 Jing Yang , Qunliang Xing , Mai Xu , Minglang Qiao

Learned progressive image compression is gaining momentum as it allows improved image reconstruction as more bits are decoded at the receiver. We propose a progressive image compression method in which an image is first represented as a…

计算机视觉与模式识别 · 计算机科学 2025-01-13 Alberto Presta , Enzo Tartaglione , Attilio Fiandrotti , Marco Grangetto , Pamela Cosman

JPEG is arguably the most popular image coding format, achieving high compression ratios via lossy quantization that may create visual artifacts degradation. Numerous attempts to remove these artifacts were conceived over the years, and…

图像与视频处理 · 电气工程与系统科学 2023-09-01 Sean Man , Guy Ohayon , Theo Adrai , Michael Elad

We propose a MultiScale AutoEncoder(MSAE) based extreme image compression framework to offer visually pleasing reconstruction at a very low bitrate. Our method leverages the "priors" at different resolution scale to improve the compression…

图像与视频处理 · 电气工程与系统科学 2020-01-06 Chao Huang , Haojie Liu , Tong Chen , Qiu Shen , Zhan Ma

This paper introduces a novel variational approach for image compression motivated by recent PDE-based approaches combining edge detection and Laplacian inpainting. The essential feature is to encode the image via a sparse vector field,…

最优化与控制 · 数学 2015-03-09 Eva-Maria Brinkmann , Martin Burger , Joana Grah

Steered-Mixtures-of-Experts (SMoE) models provide sparse, edge-aware representations, applicable to many use-cases in image processing. This includes denoising, super-resolution and compression of 2D- and higher dimensional pixel data.…

图像与视频处理 · 电气工程与系统科学 2022-07-26 Elvira Fleig , Jonas Geistert , Erik Bochinski , Rolf Jongebloed , Thomas Sikora

Due to the increasing requirements for transmission of images in computer, mobile environments, the research in the field of image compression has increased significantly. Image compression plays a crucial role in digital image processing,…

多媒体 · 计算机科学 2014-05-26 A. M. Raid , W. M. Khedr , M. A. El-dosuky , Wesam Ahmed

Idempotence is the stability of image codec to re-compression. At the first glance, it is unrelated to perceptual image compression. However, we find that theoretically: 1) Conditional generative model-based perceptual codec satisfies…

图像与视频处理 · 电气工程与系统科学 2025-02-03 Tongda Xu , Ziran Zhu , Dailan He , Yanghao Li , Lina Guo , Yuanyuan Wang , Zhe Wang , Hongwei Qin , Yan Wang , Jingjing Liu , Ya-Qin Zhang

We present a machine learning-based approach to lossy image compression which outperforms all existing codecs, while running in real-time. Our algorithm typically produces files 2.5 times smaller than JPEG and JPEG 2000, 2 times smaller…

机器学习 · 统计学 2017-05-17 Oren Rippel , Lubomir Bourdev

Infrared and visible image fusion, a hot topic in the field of image processing, aims at obtaining fused images keeping the advantages of source images. This paper proposes a novel auto-encoder (AE) based fusion network. The core idea is…

图像与视频处理 · 电气工程与系统科学 2021-04-09 Zixiang Zhao , Shuang Xu , Chunxia Zhang , Junmin Liu , Pengfei Li , Jiangshe Zhang

Image compression constitutes a significant challenge amidst the era of information explosion. Recent studies employing deep learning methods have demonstrated the superior performance of learning-based image compression methods over…

计算机视觉与模式识别 · 计算机科学 2024-05-07 Yuefeng Zhang , Kai Lin

In JPEG (DCT based) compresses image data by representing the original image with a small number of transform coefficients. It exploits the fact that for typical images a large amount of signal energy is concentrated in a small number of…

图形学 · 计算机科学 2014-02-13 Sukhpal Singh

The search for image compression optimization techniques is a topic of constant interest both in and out of academic circles. One method that shows promise toward future improvements in this field is image colorization since image…

计算机视觉与模式识别 · 计算机科学 2025-02-11 Ian Tassin , Kristen Goebel , Brittany Lasher

An ever increasing amount of our digital communication, media consumption, and content creation revolves around videos. We share, watch, and archive many aspects of our lives through them, all of which are powered by strong video…

计算机视觉与模式识别 · 计算机科学 2018-04-20 Chao-Yuan Wu , Nayan Singhal , Philipp Krähenbühl