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Porous media are ubiquitous in both nature and engineering applications, thus their modelling and understanding is of vital importance. In contrast to direct acquisition of three-dimensional (3D) images of such medium, obtaining its…

图像与视频处理 · 电气工程与系统科学 2019-09-25 Junxi Feng , Xiaohai He , Qizhi Teng , Chao Ren , Honggang Chen , Yang Li

This paper develops a deep-learning framework to synthesize a ground-level view of a location given an overhead image. We propose a novel conditional generative adversarial network (cGAN) in which the trained generator generates realistic…

计算机视觉与模式识别 · 计算机科学 2019-02-21 Xueqing Deng , Yi Zhu , Shawn Newsam

Nonlinear partial differential equations (PDEs) are pivotal in modeling complex physical systems, yet traditional Physics-Informed Neural Networks (PINNs) often struggle with unresolved residuals in critical spatiotemporal regions and…

机器学习 · 计算机科学 2026-04-03 Ziyang Zhang , Feifan Zhang , Weidong Tang , Lei Shi , Tailai Chen

Signal representation in Time-Frequency (TF) domain is valuable in many applications including radar imaging and inverse synthetic aparture radar. TF representation allows us to identify signal components or features in a mixed time and…

信号处理 · 电气工程与系统科学 2021-06-02 Zeynel Deprem , A. Enis Çetin

In topology optimization using deep learning, load and boundary conditions represented as vectors or sparse matrices often miss the opportunity to encode a rich view of the design problem, leading to less than ideal generalization results.…

计算工程、金融与科学 · 计算机科学 2020-03-12 Zhenguo Nie , Tong Lin , Haoliang Jiang , Levent Burak Kara

We present and analyze a preconditioned conjugate gradient method (PCG) for solving spatial network problems. Primarily, we consider diffusion and structural mechanics simulations for fiber based materials, but the methodology can be…

数值分析 · 数学 2022-07-18 Morgan Görtz , Fredrik Hellman , Axel Målqvist

Ultrasound imaging is pivotal in various medical diagnoses due to its non-invasive nature and safety. In clinical practice, the accuracy and precision of ultrasound image analysis are critical. Recent advancements in deep learning are…

图像与视频处理 · 电气工程与系统科学 2024-08-26 Yuhan Song , Nak Young Chong

Generating a pose-invariant representation capable of synthesizing multiple face pose views from a single pose is still a difficult problem. The solution is demanded in various areas like multimedia security, computer vision, robotics, etc.…

计算机视觉与模式识别 · 计算机科学 2020-01-06 Hamed Alqahtani

Deep generative models are promising in detecting novel cyber-physical attacks, mitigating the vulnerability of Cyber-physical systems (CPSs) without relying on labeled information. Nonetheless, these generative models face challenges in…

密码学与安全 · 计算机科学 2023-11-07 Haili Sun , Yan Huang , Lansheng Han , Cai Fu , Hongle Liu , Xiang Long

Detecting small objects is notoriously challenging due to their low resolution and noisy representation. Existing object detection pipelines usually detect small objects through learning representations of all the objects at multiple…

计算机视觉与模式识别 · 计算机科学 2017-06-21 Jianan Li , Xiaodan Liang , Yunchao Wei , Tingfa Xu , Jiashi Feng , Shuicheng Yan

Potential radioactive hazards in full-dose positron emission tomography (PET) imaging remain a concern, whereas the quality of low-dose images is never desirable for clinical use. So it is of great interest to translate low-dose PET images…

图像与视频处理 · 电气工程与系统科学 2023-06-06 Yang Zhou , Zhiwen Yang , Hui Zhang , Eric I-Chao Chang , Yubo Fan , Yan Xu

Recent work (Baluja, 2017) showed that using a pair of deep encoders and decoders, embedding a full-size secret image into a container image of the same size is achieved. This method distributes the information of the secret image across…

密码学与安全 · 计算机科学 2019-01-29 Parisa Babaheidarian , Mark Wallace

Acoustic- and elastic-waveform inversion is an important and widely used method to reconstruct subsurface velocity image. Waveform inversion is a typical non-linear and ill-posed inverse problem. Existing physics-driven computational…

信号处理 · 电气工程与系统科学 2019-06-07 Zhongping Zhang , Youzuo Lin

In this work, we present SupResDiffGAN, a novel hybrid architecture that combines the strengths of Generative Adversarial Networks (GANs) and diffusion models for super-resolution tasks. By leveraging latent space representations and…

图像与视频处理 · 电气工程与系统科学 2025-04-21 Dawid Kopeć , Wojciech Kozłowski , Maciej Wizerkaniuk , Dawid Krutul , Jan Kocoń , Maciej Zięba

In this study, we evaluate the performance of multiple state-of-the-art SRGAN (Super Resolution Generative Adversarial Network) models, ESRGAN, Real-ESRGAN and EDSR, on a benchmark dataset of real-world images which undergo degradation…

计算机视觉与模式识别 · 计算机科学 2024-12-18 Fatemeh Rezapoor Nikroo , Ajinkya Deshmukh , Anantha Sharma , Adrian Tam , Kaarthik Kumar , Cleo Norris , Aditya Dangi

Optical coherence tomography (OCT) has stimulated a wide range of medical image-based diagnosis and treatment in fields such as cardiology and ophthalmology. Such applications can be further facilitated by deep learning-based…

医学物理 · 物理学 2023-07-24 Xueshen Li , Zhenxing Dong , Hongshan Liu , Jennifer J. Kang-Mieler , Yuye Ling , Yu Gan

This paper presents Fd-CycleGAN, an image-to-image (I2I) translation framework that enhances latent representation learning to approximate real data distributions. Building upon the foundation of CycleGAN, our approach integrates Local…

计算机视觉与模式识别 · 计算机科学 2025-08-06 Shivangi Nigam , Adarsh Prasad Behera , Shekhar Verma , P. Nagabhushan

Training robust supervised deep learning models for many geospatial applications of computer vision is difficult due to dearth of class-balanced and diverse training data. Conversely, obtaining enough training data for many applications is…

计算机视觉与模式识别 · 计算机科学 2020-12-09 Xuerong Xiao , Swetava Ganguli , Vipul Pandey

Image super-resolution (SR) methods can generate remote sensing images with high spatial resolution without increasing the cost, thereby providing a feasible way to acquire high-resolution remote sensing images, which are difficult to…

图像与视频处理 · 电气工程与系统科学 2021-07-15 Meng Xu , Zhihao Wang , Jiasong Zhu , Xiuping Jia , Sen Jia

Super-Resolution (SR) is a time-hallowed image processing problem that aims to improve the quality of a Low-Resolution (LR) sample up to the standard of its High-Resolution (HR) counterpart. We aim to address this by introducing…

图像与视频处理 · 电气工程与系统科学 2024-04-10 Arkaprabha Basu , Kushal Bose , Sankha Subhra Mullick , Anish Chakrabarty , Swagatam Das