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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 traditional reversible data hiding (RDH) methods, researchers pay attention to enlarge the embedding capacity (EC) and to reduce the embedding distortion (ED). Recently, a completely novel RDH algorithm was developed to embed secret data…

多媒体 · 计算机科学 2019-08-19 Erdun Gao , Zhibin Pan , Xinyi Gao

A novel energy-efficient edge computing paradigm is proposed for real-time deep learning-based image upsampling applications. State-of-the-art deep learning solutions for image upsampling are currently trained using either resize or…

计算机视觉与模式识别 · 计算机科学 2021-07-27 Ian Colbert , Ken Kreutz-Delgado , Srinjoy Das

Low-light images suffer from severe noise and low illumination. Current deep learning models that are trained with real-world images have excellent noise reduction, but a ratio parameter must be chosen manually to complete the enhancement…

图像与视频处理 · 电气工程与系统科学 2020-04-23 Qingxu Fu , Xiaoguang Di , Yu Zhang

In the wake of the success of convolutional neural networks in image classification, object recognition, speech recognition, etc., the demand for deploying these compute-intensive ML models on embedded and mobile systems with tight power…

计算机视觉与模式识别 · 计算机科学 2019-11-12 Lukas Cavigelli , Georg Rutishauser , Luca Benini

Light fields are 4D scene representation typically structured as arrays of views, or several directional samples per pixel in a single view. This highly correlated structure is not very efficient to transmit and manipulate (especially for…

计算机视觉与模式识别 · 计算机科学 2021-03-23 Menghan Xia , Jose Echevarria , Minshan Xie , Tien-Tsin Wong

Exploiting spatial-angular correlation is crucial to light field (LF) image super-resolution (SR), but is highly challenging due to its non-local property caused by the disparities among LF images. Although many deep neural networks (DNNs)…

计算机视觉与模式识别 · 计算机科学 2023-08-14 Zhengyu Liang , Yingqian Wang , Longguang Wang , Jungang Yang , Shilin Zhou , Yulan Guo

In this paper, we introduce a new image representation based on a multilayer kernel machine. Unlike traditional kernel methods where data representation is decoupled from the prediction task, we learn how to shape the kernel with…

机器学习 · 统计学 2016-10-26 Julien Mairal

Purpose: To develop a deep learning-based Bayesian inference for MRI reconstruction. Methods: We modeled the MRI reconstruction problem with Bayes's theorem, following the recently proposed PixelCNN++ method. The image reconstruction from…

计算机视觉与模式识别 · 计算机科学 2022-02-18 GuanXiong Luo , Na Zhao , Wenhao Jiang , Edward S. Hui , Peng Cao

The semiconductor industry faces a computational crisis in extreme ultraviolet (EUV) lithography optimization, where traditional methods consume billions of CPU hours while failing to achieve sub-nanometer precision. We present a…

机器学习 · 计算机科学 2025-11-18 Rubén Darío Guerrero

Recently, learned image compression methods have developed rapidly and exhibited excellent rate-distortion performance when compared to traditional standards, such as JPEG, JPEG2000 and BPG. However, the learning-based methods suffer from…

图像与视频处理 · 电气工程与系统科学 2022-06-24 Bowen Li , Yao Xin , Youneng Bao , Fanyang Meng , Yongsheng Liang , Wen Tan

Light field cameras have a wide range of uses due to their ability to simultaneously record light intensity and direction. The angular resolution of light fields is important for downstream tasks such as depth estimation, yet is often…

计算机视觉与模式识别 · 计算机科学 2023-11-15 Langqing Shi , Ping Zhou

Although equirectangular projection (ERP) is a convenient form to store omnidirectional images (also known as 360-degree images), it is neither equal-area nor conformal, thus not friendly to subsequent visual communication. In the context…

图像与视频处理 · 电气工程与系统科学 2021-12-28 Mu Li , Kede Ma , Jinxing Li , David Zhang

Real-time low-light image enhancement on mobile and embedded devices requires models that balance visual quality and computational efficiency. Existing deep learning methods often rely on large networks and labeled datasets, limiting their…

计算机视觉与模式识别 · 计算机科学 2026-05-12 Guangrui Bai , Hailong Yan , Wenhai Liu , Yahui Deng , Erbao Dong

In this article we develop an image based rendering technique based on light field reconstruction from a limited set of perspective views acquired by cameras. Our approach utilizes sparse representation of epipolar-plane images in a…

计算机视觉与模式识别 · 计算机科学 2015-10-01 Suren Vagharshakyan , Robert Bregovic , Atanas Gotchev

This paper presents a novel Bayesian approach for hyperspectral image unmixing. The observed pixels are modeled by a linear combination of material signatures weighted by their corresponding abundances. A spike-and-slab abundance prior is…

应用统计 · 统计学 2022-05-04 Zeng Li , Yoann Altmann , Jie Chen , Stephen Mclaughlin , Susanto Rahardja

Fourier Ptychographic Microscopy (FPM) is a computational technique that achieves a large space-bandwidth product imaging. It addresses the challenge of balancing a large field of view and high resolution by fusing information from multiple…

光学 · 物理学 2023-04-21 Ruiqing Sun , Delong Yang , Yao Hu , Qun Hao , Xin Li , Shaohui Zhang

In this paper, we propose a novel approach to hyperspectral image super-resolution by modeling the global spatial-and-spectral correlation and local smoothness properties over hyperspectral images. Specifically, we utilize the tensor…

计算机视觉与模式识别 · 计算机科学 2016-01-26 Shiying He , Haiwei Zhou , Yao Wang , Wenfei Cao , Zhi Han

We consider the problem of high-dimensional light field reconstruction and develop a learning-based framework for spatial and angular super-resolution. Many current approaches either require disparity clues or restore the spatial and…

图像与视频处理 · 电气工程与系统科学 2020-09-18 Nan Meng , Hayden K. -H. So , Xing Sun , Edmund Y. Lam

In this paper, a novel convolutional neural network (CNN)-based framework is developed for light field reconstruction from a sparse set of views. We indicate that the reconstruction can be efficiently modeled as angular restoration on an…

图像与视频处理 · 电气工程与系统科学 2021-03-25 Gaochang Wu , Yebin Liu , Lu Fang , Qionghai Dai , Tianyou Chai