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相关论文: Unified learning-based lossy and lossless JPEG rec…

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Recent progress in generative compression technology has significantly improved the perceptual quality of compressed data. However, these advancements primarily focus on producing high-frequency details, often overlooking the ability of…

计算机视觉与模式识别 · 计算机科学 2024-03-07 Naifu Xue , Qi Mao , Zijian Wang , Yuan Zhang , Siwei Ma

This paper outlines an end-to-end optimized lossy image compression framework using diffusion generative models. The approach relies on the transform coding paradigm, where an image is mapped into a latent space for entropy coding and, from…

图像与视频处理 · 电气工程与系统科学 2024-01-03 Ruihan Yang , Stephan Mandt

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

This paper is concerned with the lossy compression of general random variables, specifically with rate-distortion theory and quantization of random variables taking values in general measurable spaces such as, e.g., manifolds and fractal…

概率论 · 数学 2023-06-05 Erwin Riegler , Helmut Bölcskei , Günther Koliander

In recent years, deep learning-based image compression, particularly through generative models, has emerged as a pivotal area of research. Despite significant advancements, challenges such as diminished sharpness and quality in…

图像与视频处理 · 电气工程与系统科学 2024-09-18 Ryugo Morita , Hitoshi Nishimura , Ko Watanabe , Andreas Dengel , Jinjia Zhou

The application of the context-adaptive entropy model significantly improves the rate-distortion (R-D) performance, in which hyperpriors and autoregressive models are jointly utilized to effectively capture the spatial redundancy of the…

图像与视频处理 · 电气工程与系统科学 2022-09-09 Haisheng Fu , Feng Liang

Prevalent lossy image compression schemes can be divided into: 1) explicit image compression (EIC), including traditional standards and neural end-to-end algorithms; 2) implicit image compression (IIC) based on implicit neural…

计算机视觉与模式识别 · 计算机科学 2024-12-12 Qi Zheng , Haozhi Wang , Zihao Liu , Jiaming Liu , Peiye Liu , Zhijian Hao , Yanheng Lu , Dimin Niu , Jinjia Zhou , Minge Jing , Yibo Fan

Guetzli is a new JPEG encoder that aims to produce visually indistinguishable images at a lower bit-rate than other common JPEG encoders. It optimizes both the JPEG global quantization tables and the DCT coefficient values in each JPEG…

计算机视觉与模式识别 · 计算机科学 2017-03-14 Jyrki Alakuijala , Robert Obryk , Ostap Stoliarchuk , Zoltan Szabadka , Lode Vandevenne , Jan Wassenberg

With the development of human communications the usage of Visual Communications has also increased. The advancement of image compression methods is one of the main reasons for the enhancement. This paper first presents main modes of image…

计算机视觉与模式识别 · 计算机科学 2017-09-04 Yaser Sadra

Lossless image coding is a crucial task especially in the medical area, e.g., for volumes from Computed Tomography or Magnetic Resonance Tomography. Besides lossless coding, compensated wavelet lifting offers a scalable representation of…

图像与视频处理 · 电气工程与系统科学 2023-01-12 Wolfgang Schnurrer , Tobias Tröger , Thomas Richter , Jürgen Seiler , André Kaup

This work introduces a Transformer-based image compression system. It has the flexibility to switch between the standard image reconstruction and the denoising reconstruction from a single compressed bitstream. Instead of training separate…

图像与视频处理 · 电气工程与系统科学 2024-02-21 Yi-Hsin Chen , Kuan-Wei Ho , Shiau-Rung Tsai , Guan-Hsun Lin , Alessandro Gnutti , Wen-Hsiao Peng , Riccardo Leonardi

It is shown that neural networks (NNs) achieve excellent performances in image compression and reconstruction. However, there are still many shortcomings in the practical application, which eventually lead to the loss of neural network…

多媒体 · 计算机科学 2019-11-15 Zhiqing Lu , Zhaoxia Yin , Bin Luo

Deep learning techniques have shown promising results in image compression, with competitive bitrate and image reconstruction quality from compressed latent. However, while image compression has progressed towards a higher peak…

计算机视觉与模式识别 · 计算机科学 2022-08-24 Kang Liu , Di Wu , Yiru Wang , Dan Feng , Benjamin Tan , Siddharth Garg

A deep image compression scheme is proposed in this paper, offering the state-of-the-art compression efficiency, against the traditional JPEG, JPEG2000, BPG and those popular learning based methodologies. This is achieved by a novel…

图像与视频处理 · 电气工程与系统科学 2019-02-28 Haojie Liu , Tong Chen , Peiyao Guo , Qiu Shen , Zhan Ma

We introduce a simple and efficient lossless image compression algorithm. We store a low resolution version of an image as raw pixels, followed by several iterations of lossless super-resolution. For lossless super-resolution, we predict…

图像与视频处理 · 电气工程与系统科学 2020-04-07 Sheng Cao , Chao-Yuan Wu , Philipp Krähenbühl

Compressive lensless imagers enable novel applications in an extremely compact device, requiring only a phase or amplitude mask placed close to the sensor. They have been demonstrated for 2D and 3D microscopy, single-shot video, and…

图像与视频处理 · 电气工程与系统科学 2021-06-23 Kristina Monakhova , Vi Tran , Grace Kuo , Laura Waller

JPEG remains one of the most widespread lossy image coding methods. However, the non-differentiable nature of JPEG restricts the application in deep learning pipelines. Several differentiable approximations of JPEG have recently been…

计算机视觉与模式识别 · 计算机科学 2024-04-22 Christoph Reich , Biplob Debnath , Deep Patel , Srimat Chakradhar

Compression plays a significant role in a data storage and a transmission. If we speak about a generall data compression, it has to be a lossless one. It means, we are able to recover the original data 1:1 from the compressed file.…

图形学 · 计算机科学 2014-10-10 Martin Prantl

As deep neural networks (DNNs) have been integrated into critical systems, several methods to attack these systems have been developed. These adversarial attacks make imperceptible modifications to an image that fool DNN classifiers. We…

计算机视觉与模式识别 · 计算机科学 2018-03-05 Aaditya Prakash , Nick Moran , Solomon Garber , Antonella DiLillo , James Storer

The comparison between two approaches, JPEG and Compressive Sensing, is done in the paper. The approaches are compared in terms of image compression. Comparison is done by measuring the image quality versus number of samples used for image…

图像与视频处理 · 电气工程与系统科学 2018-02-15 Danko Petric , Marija Milinkovic