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Images are a substantial portion of the internet, making efficient compression important for reducing storage and bandwidth demands. This study investigates the use of Singular Value Decomposition and low-rank matrix approximations for…

计算机视觉与模式识别 · 计算机科学 2025-12-19 Justin Jiang

Recent advancements in neural compression have surpassed traditional codecs in PSNR and MS-SSIM measurements. However, at low bit-rates, these methods can introduce visually displeasing artifacts, such as blurring, color shifting, and…

图像与视频处理 · 电气工程与系统科学 2024-10-28 Daxin Li , Yuanchao Bai , Kai Wang , Junjun Jiang , Xianming Liu

Despite the breakthroughs in accuracy and speed of single image super-resolution using faster and deeper convolutional neural networks, one central problem remains largely unsolved: how do we recover the finer texture details when we…

Image restoration algorithms are typically evaluated by some distortion measure (e.g. PSNR, SSIM, IFC, VIF) or by human opinion scores that quantify perceived perceptual quality. In this paper, we prove mathematically that distortion and…

计算机视觉与模式识别 · 计算机科学 2020-10-27 Yochai Blau , Tomer Michaeli

To evaluate their performance, existing dehazing approaches generally rely on distance measures between the generated image and its corresponding ground truth. Despite its ability to produce visually good images, using pixel-based or even…

计算机视觉与模式识别 · 计算机科学 2020-02-10 Sébastien de Blois , Ihsen Hedhli , Christian Gagné

Interests in digital image processing are growing enormously in recent decades. As a result, different data compression techniques have been proposed which are concerned mostly with the minimization of information used for the…

图像与视频处理 · 电气工程与系统科学 2021-12-10 Suman Kunwar

While learned image compression (LIC) focuses on efficient data transmission, generative image compression (GIC) extends this framework by integrating generative modeling to produce photo-realistic reconstructed images. In this paper, we…

图像与视频处理 · 电气工程与系统科学 2025-05-28 Minghao Han , Weiyi You , Jinhua Zhang , Leheng Zhang , Ce Zhu , Shuhang Gu

The JPEG algorithm is a defacto standard for image compression. We investigate whether adaptive mesh refinement can be used to optimize the compression ratio and propose a new adaptive image compression algorithm. We prove that it produces…

数值分析 · 数学 2023-04-05 Michael Feischl , Hubert Hackl

Generative adversial network (GAN) is a type of generative model that maps a high-dimensional noise to samples in target distribution. However, the dimension of noise required in GAN is not well understood. Previous approaches view GAN as a…

计算机视觉与模式识别 · 计算机科学 2024-03-15 Ziran Zhu , Tongda Xu , Ling Li , Yan Wang

The method of importance map has been widely adopted in DNN-based lossy image compression to achieve bit allocation according to the importance of image contents. However, insufficient allocation of bits in non-important regions often leads…

图像与视频处理 · 电气工程与系统科学 2020-01-22 Lirong Wu , Kejie Huang , Haibin Shen

We present an end-to-end image compression system based on compressive sensing. The presented system integrates the conventional scheme of compressive sampling and reconstruction with quantization and entropy coding. The compression…

计算机视觉与模式识别 · 计算机科学 2020-01-22 Xin Yuan , Raziel Haimi-Cohen

Generative adversarial networks (GANs) have made great success in image inpainting yet still have difficulties tackling large missing regions. In contrast, iterative probabilistic algorithms, such as autoregressive and denoising diffusion…

计算机视觉与模式识别 · 计算机科学 2023-03-09 Wenbo Li , Xin Yu , Kun Zhou , Yibing Song , Zhe Lin , Jiaya Jia

In the recent years, there has been a significant improvement in the quality of samples produced by (deep) generative models such as variational auto-encoders and generative adversarial networks. However, the representation capabilities of…

图像与视频处理 · 电气工程与系统科学 2026-03-31 Shady Abu Hussein , Tom Tirer , Raja Giryes

The need for fast diagnostic image viewing in zero footprint web applications and the ever increasing image sizes for new modalities such as digital pathology have painfully brought to light that the currently available image compression…

图像与视频处理 · 电气工程与系统科学 2020-05-19 Bas Hulsken

Image inpainting techniques have shown promising improvement with the assistance of generative adversarial networks (GANs) recently. However, most of them often suffered from completed results with unreasonable structure or blurriness. To…

计算机视觉与模式识别 · 计算机科学 2020-10-06 Zheng Hui , Jie Li , Xiumei Wang , Xinbo Gao

Despite Generative Adversarial Networks (GANs) have been widely used in various image-to-image translation tasks, they can be hardly applied on mobile devices due to their heavy computation and storage cost. Traditional network compression…

计算机视觉与模式识别 · 计算机科学 2020-03-10 Hanting Chen , Yunhe Wang , Han Shu , Changyuan Wen , Chunjing Xu , Boxin Shi , Chao Xu , Chang Xu

Semantic communication has been introduced into collaborative perception systems for autonomous driving, offering a promising approach to enhancing data transmission efficiency and robustness. Despite its potential, existing semantic…

信号处理 · 电气工程与系统科学 2025-12-30 Jipeng Gan , Le Liang , Hua Zhang , Chongtao Guo , Shi Jin

The rapid development of generative artificial intelligence (AI) has introduced significant opportunities for enhancing the efficiency and accuracy of image transmission within semantic communication systems. Despite these advancements,…

计算机视觉与模式识别 · 计算机科学 2025-09-29 Qiyu Ma , Wanli Ni , Zhijin Qin

Cloud based medical image analysis has become popular recently due to the high computation complexities of various deep neural network (DNN) based frameworks and the increasingly large volume of medical images that need to be processed. It…

计算机视觉与模式识别 · 计算机科学 2019-04-19 Zihao Liu , Xiaowei Xu , Tao Liu , Qi Liu , Yanzhi Wang , Yiyu Shi , Wujie Wen , Meiping Huang , Haiyun Yuan , Jian Zhuang

Generative adversarial network (GAN) has greatly improved the quality of unsupervised image generation. Previous GAN-based methods often require a large amount of high-quality training data while producing a small number (e.g., tens) of…

计算机视觉与模式识别 · 计算机科学 2019-09-26 Chunpeng Wu , Wei Wen , Yiran Chen , Hai Li