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The goal of semantic image synthesis is to generate photo-realistic images from semantic label maps. It is highly relevant for tasks like content generation and image editing. Current state-of-the-art approaches, however, still struggle to…

计算机视觉与模式识别 · 计算机科学 2022-10-11 Shijie Li , Ming-Ming Cheng , Juergen Gall

Advances in 3D-aware generative models have pushed the boundary of image synthesis with explicit camera control. To achieve high-resolution image synthesis, several attempts have been made to design efficient generators, such as hybrid…

计算机视觉与模式识别 · 计算机科学 2023-04-03 Mallikarjun B R , Xingang Pan , Mohamed Elgharib , Christian Theobalt

We theoretically consider infrared-driven hyperbolic metamaterials able to spatially filtering terahertz radiation. The metamaterial is a slab made of alternating semiconductor and dielectric layers whose homogenized uniaxial response, at…

光学 · 物理学 2015-06-05 Carlo Rizza , Alessandro Ciattoni , Elisa Spinozzi , Lorenzo Columbo

The usage of medical image data for the training of large-scale machine learning approaches is particularly challenging due to its scarce availability and the costly generation of data annotations, typically requiring the engagement of…

计算机视觉与模式识别 · 计算机科学 2024-06-26 Joshua Niemeijer , Jan Ehrhardt , Hristina Uzunova , Heinz Handels

Synthetic data generation has proven to be a promising solution for addressing data availability issues in various domains. Even more challenging is the generation of synthetic time series data, where one has to preserve temporal dynamics,…

量子物理 · 物理学 2022-04-14 Haim Horowitz , Pooja Rao , Santosh Kumar Radha

The discovery of second harmonic generation in 1961 marked the birth of nonlinear optics, unlocking a range of applications from frequency conversion to quantum light generation. Yet, phase matching in bulk nonlinear crystals remains a key…

Controlled data generation with GANs is desirable but challenging due to the nonlinearity and high dimensionality of their latent spaces. In this work, we explore image manipulations learned by GANSpace, a state-of-the-art method based on…

计算机视觉与模式识别 · 计算机科学 2023-05-25 Andrey Palaev , Rustam A. Lukmanov , Adil Khan

Deep generative models, which target reproducing the given data distribution to produce novel samples, have made unprecedented advancements in recent years. Their technical breakthroughs have enabled unparalleled quality in the synthesis of…

计算机视觉与模式识别 · 计算机科学 2024-12-19 Mengping Yang , Zhe Wang

Recent advances in synthetic imaging open up opportunities for obtaining additional data in the field of surgical imaging. This data can provide reliable supplements supporting surgical applications and decision-making through computer…

图像与视频处理 · 电气工程与系统科学 2023-12-07 Simeon Allmendinger , Patrick Hemmer , Moritz Queisner , Igor Sauer , Leopold Müller , Johannes Jakubik , Michael Vössing , Niklas Kühl

Synthetic dimensions have generated great interest for studying many types of topological, quantum, and many-body physics, and they offer a flexible platform for simulation of interesting physical systems, especially in high dimensions. In…

量子物理 · 物理学 2022-11-18 Ben Bartlett , Olivia Y. Long , Avik Dutt , Shanhui Fan

Subnatural-linewidth single-photon source is a potential candidate for exploring the time degree of freedom in photonic quantum information science. This type of single-photon source has been demonstrated to be generated and reshaped in…

量子物理 · 物理学 2018-11-14 Ce Yang , Zhenjie Gu , Peng Chen , Zhongzhong Qin , J. F. Chen , Weiping Zhang

Stable diffusion, a generative model used in text-to-image synthesis, frequently encounters resolution-induced composition problems when generating images of varying sizes. This issue primarily stems from the model being trained on pairs of…

计算机视觉与模式识别 · 计算机科学 2023-09-12 Qingping Zheng , Yuanfan Guo , Jiankang Deng , Jianhua Han , Ying Li , Songcen Xu , Hang Xu

Aligning physiological parameter labels with large-scale photoplethysmographic (PPG) data for deep learning is challenging and resource-intensive. While self-supervised representation learning (SSRL) can handle limited annotated data, the…

信号处理 · 电气工程与系统科学 2026-04-28 Zexing Zhang , Huimin Lu , Songzhe Ma , Jianzhong Peng , Chenglin Lin , Niya Li , Bingwang Dong

Advances in generative models have transformed the field of synthetic image generation for privacy-preserving data synthesis (PPDS). However, the field lacks a comprehensive survey and comparison of synthetic image generation methods across…

密码学与安全 · 计算机科学 2025-06-27 Yunsung Chung , Yunbei Zhang , Nassir Marrouche , Jihun Hamm

The generation of synthetic medical records using Generative Adversarial Networks (GANs) is becoming crucial for addressing privacy concerns and facilitating data sharing in the medical domain. In this paper, we introduce a novel method to…

图像与视频处理 · 电气工程与系统科学 2023-09-20 Tomohiro Kikuchi , Shouhei Hanaoka , Takahiro Nakao , Tomomi Takenaga , Yukihiro Nomura , Harushi Mori , Takeharu Yoshikawa

Image generation and image completion are rapidly evolving fields, thanks to machine learning algorithms that are able to realistically replace missing pixels. However, generating large high resolution images, with a large level of details,…

计算机视觉与模式识别 · 计算机科学 2022-11-29 Renato Cardoso , Sofia Vallecorsa , Edoardo Nemni

The terahertz spectral region, which bridges between electronics and optics, is poised to play an important role in the development of transformative wireless communication and imaging systems with unprecedented functionality. Currently, a…

应用物理 · 物理学 2023-11-22 Chen Chen , Sai Chen , Yibo Ni , Yibao Xu , Yuanmu Yang

In medical imaging, access to data is commonly limited due to patient privacy restrictions and the issue that it can be difficult to acquire enough data in the case of rare diseases.[1] The purpose of this investigation was to develop a…

计算机视觉与模式识别 · 计算机科学 2024-03-29 John R. McNulty , Lee Kho , Alexandria L. Case , Charlie Fornaca , Drew Johnston , David Slater , Joshua M. Abzug , Sybil A. Russell

Determining atomistic structures from characterization data is one of the most common yet intricate problems in materials science. Particularly in amorphous materials, proposing structures that balance realism and agreement with experiments…

无序系统与神经网络 · 物理学 2026-03-25 Jiawei Guo , Daniel Schwalbe-Koda

Structured light, particularly in the terahertz frequency range, holds considerable potential for a diverse range of applications. However, the generation and control of structured terahertz radiation pose major challenges. In this work, we…