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Recently, learned image compression has attracted considerable attention due to its superior performance over traditional methods. However, most existing approaches employ a single entropy model to estimate the probability distribution of…

计算机视觉与模式识别 · 计算机科学 2026-03-31 Chunhang Zheng , Zichang Ren , Dou Li

The evaluation of image generators remains a challenge due to the limitations of traditional metrics in providing nuanced insights into specific image regions. This is a critical problem as not all regions of an image may be learned with…

计算机视觉与模式识别 · 计算机科学 2024-12-13 Sebastian G. Gruber , Pascal Tobias Ziegler , Florian Buettner

Diffusion models (DMs) have recently gained attention with state-of-the-art performance in text-to-image synthesis. Abiding by the tradition in deep learning, DMs are trained and evaluated on the images with fixed sizes. However, users are…

计算机视觉与模式识别 · 计算机科学 2023-10-27 Zhiyu Jin , Xuli Shen , Bin Li , Xiangyang Xue

As large language models become standard backends for content generation, practical provenance increasingly requires multi-bit watermarking. In provider-internal deployments, a key requirement is message symmetry: the message itself should…

计算与语言 · 计算机科学 2026-04-16 Junlin Zhu , Baizhou Huang , Xiaojun Wan

Multi-focus image fusion technologies compress different focus depth images into an image in which most objects are in focus. However, although existing image fusion techniques, including traditional algorithms and deep learning-based…

计算机视觉与模式识别 · 计算机科学 2020-01-06 Xiebo Geng , Sibo Liua , Wei Han , Xu Li , Jiabo Ma , Jingya Yu , Xiuli Liu , Sahoqun Zeng , Li Chen , Shenghua Cheng

We propose a novel joint lossy image and residual compression framework for learning $\ell_\infty$-constrained near-lossless image compression. Specifically, we obtain a lossy reconstruction of the raw image through lossy image compression…

图像与视频处理 · 电气工程与系统科学 2021-04-01 Yuanchao Bai , Xianming Liu , Wangmeng Zuo , Yaowei Wang , Xiangyang Ji

When it comes to image compression in digital cameras, denoising is traditionally performed prior to compression. However, there are applications where image noise may be necessary to demonstrate the trustworthiness of the image, such as…

图像与视频处理 · 电气工程与系统科学 2022-09-07 Saeed Ranjbar Alvar , Mateen Ulhaq , Hyomin Choi , Ivan V. Bajić

Multiple stochastic signals possess inherent statistical correlations, yet conventional sampling methods that process each channel independently result in data redundancy. To leverage this correlation for efficient sampling, we model…

信号处理 · 电气工程与系统科学 2025-09-18 Lin Jin , Hang Sheng , Hui Feng , Bo Hu

Surgical scene segmentation is essential for enhancing surgical precision, yet it is frequently compromised by the scarcity and imbalance of available data. To address these challenges, semantic image synthesis methods based on generative…

计算机视觉与模式识别 · 计算机科学 2024-11-01 Yihang Zhou , Rebecca Towning , Zaid Awad , Stamatia Giannarou

Shaping codes are used to generate code sequences in which the symbols obey a prescribed probability distribution. They arise naturally in the context of source coding for noiseless channels with unequal symbol costs. Recently, shaping…

信息论 · 计算机科学 2022-05-10 Yi Liu , Yonglong Li , Pengfei Huang , Paul H. Siegel

In this paper, we empirically reveal an invariance over images-images share a set of one-way wave equations with latent speeds. Each image is uniquely associated with a solution to these wave equations, allowing for its reconstruction with…

计算机视觉与模式识别 · 计算机科学 2024-10-17 Yinpeng Chen , Dongdong Chen , Xiyang Dai , Mengchen Liu , Yinan Feng , Youzuo Lin , Lu Yuan , Zicheng Liu

We introduce a novel loss max-pooling concept for handling imbalanced training data distributions, applicable as alternative loss layer in the context of deep neural networks for semantic image segmentation. Most real-world semantic…

计算机视觉与模式识别 · 计算机科学 2017-04-11 Samuel Rota Bulò , Gerhard Neuhold , Peter Kontschieder

We consider transmitting a source across a pair of independent, non-ergodic channels with random states (e.g., slow fading channels) so as to minimize the average distortion. The general problem is unsolved. Hence, we focus on comparing two…

信息论 · 计算机科学 2009-09-29 J. Nicholas Laneman , Emin Martinian , Gregory W. Wornell , John G. Apostolopoulos

Inpainting-based compression represents images in terms of a sparse subset of its pixel data. Storing the carefully optimised positions of known data creates a lossless compression problem on sparse and often scattered binary images. This…

图像与视频处理 · 电气工程与系统科学 2021-08-03 Rahul Mohideen Kaja Mohideen , Pascal Peter , Joachim Weickert

As shown by M\'edard, the capacity of fading channels with imperfect channel-state information (CSI) can be lower-bounded by assuming a Gaussian channel input $X$ with power $P$ and by upper-bounding the conditional entropy $h(X|Y,\hat{H})$…

信息论 · 计算机科学 2016-11-15 Adriano Pastore , Tobias Koch , Javier Rodríguez Fonollosa

We propose a weakly-supervised framework for the semantic segmentation of circular-scan synthetic-aperture-sonar (CSAS) imagery. The first part of our framework is trained in a supervised manner, on image-level labels, to uncover a set of…

The execution of large deep neural networks (DNN) at mobile edge devices requires considerable consumption of critical resources, such as energy, while imposing demands on hardware capabilities. In approaches based on edge computing the…

机器学习 · 计算机科学 2023-06-23 Juliano S. Assine , J. C. S. Santos Filho , Eduardo Valle , Marco Levorato

G-images refer to image data defined on irregular graph domains. This work elaborates a similarity-preserving Fuzzy C-Means (FCM) algorithm for G-image segmentation and aims to develop techniques and tools for segmenting G-images. To…

计算机视觉与模式识别 · 计算机科学 2020-10-12 Cong Wang , Witold Pedrycz , ZhiWu Li , MengChu Zhou , Shuzhi Sam Ge

Quantitative image analysis often depends on accurate classification of pixels through a segmentation process. However, imaging artifacts such as the partial volume effect and sensor noise complicate the classification process. These…

计算机视觉与模式识别 · 计算机科学 2018-08-01 Brendan A. West , Taylor S. Hodgdon , Matthew D. Parno , Arnold J. Song

A new approach to data compression is developed and applied to multimedia content. This method separates messages into components suitable for both lossless coding and 'lossy' or statistical coding techniques, compressing complex objects by…

信息论 · 计算机科学 2011-12-26 John Scoville