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Large-scale generative models, such as text-to-image diffusion models, have garnered widespread attention across diverse domains due to their creative and high-fidelity image generation. Nonetheless, existing large-scale diffusion models…

计算机视觉与模式识别 · 计算机科学 2024-08-28 Younghyun Kim , Geunmin Hwang , Junyu Zhang , Eunbyung Park

Diffusion models have revolutionized text-to-image (T2I) synthesis, producing high-quality, photorealistic images. However, they still struggle to properly render the spatial relationships described in text prompts. To address the lack of…

计算机视觉与模式识别 · 计算机科学 2026-01-21 Andrea Rigo , Luca Stornaiuolo , Mauro Martino , Bruno Lepri , Nicu Sebe

Global Navigation Satellite Systems (GNSS) are vital for reliable urban positioning. However, multipath and non-line-of-sight reception often introduce large measurement errors that degrade accuracy. Learning-based methods for predicting…

计算机视觉与模式识别 · 计算机科学 2025-09-23 Jiaqi Zhu , Shouyi Lu , Ziyao Li , Guirong Zhuo , Lu Xiong

Data Augmentation (DA), i.e., synthesizing faithful and diverse samples to expand the original training set, is a prevalent and effective strategy to improve the performance of various data-scarce tasks. With the powerful image generation…

计算机视觉与模式识别 · 计算机科学 2024-11-22 Yanghao Wang , Long Chen

In surveillance, accurately recognizing license plates is hindered by their often low quality and small dimensions, compromising recognition precision. Despite advancements in AI-based image super-resolution, methods like Convolutional…

计算机视觉与模式识别 · 计算机科学 2024-09-04 Sawsan AlHalawani , Bilel Benjdira , Adel Ammar , Anis Koubaa , Anas M. Ali

With increasing amounts of data in astronomy, automated analysis methods have become crucial. Synthetic data are required for developing and testing such methods. Current simulations often suffer from insufficient detail or inaccurate…

天体物理仪器与方法 · 物理学 2024-11-27 Tobias Vičánek Martínez , Nicolás Barón Pérez , Marcus Brüggen

End-to-end mission performance simulators (E2ES) are suitable tools to accelerate satellite mission development from concet to deployment. One core element of these E2ES is the generation of synthetic scenes that are observed by the various…

信号处理 · 电气工程与系统科学 2020-12-10 J. Vicent , J. Verrelst , J. P. Rivera-Caicedo , N. Sabater , J. Muñoz-Marí , G. Camps-Valls , J. Moreno

Although recent research applying text-to-image (T2I) diffusion models to real-world super-resolution (SR) has achieved remarkable progress, the misalignment of their targets leads to a suboptimal trade-off between inference speed and…

计算机视觉与模式识别 · 计算机科学 2026-02-12 Yan Wang , Shijie Zhao , Kexin Zhang , Junlin Li , Li Zhang

Generative text-to-image models enable us to synthesize unlimited amounts of images in a controllable manner, spurring many recent efforts to train vision models with synthetic data. However, every synthetic image ultimately originates from…

计算机视觉与模式识别 · 计算机科学 2025-01-03 Scott Geng , Cheng-Yu Hsieh , Vivek Ramanujan , Matthew Wallingford , Chun-Liang Li , Pang Wei Koh , Ranjay Krishna

Synthetic Aperture Radar (SAR) provides all-weather, high-resolution imaging capabilities, but its unique imaging mechanism often requires expert interpretation, limiting its widespread applicability. Translating SAR images into more easily…

计算机视觉与模式识别 · 计算机科学 2024-07-09 Xinyu Bai , Feng Xu

In recent years, diffusion models have emerged as a superior alternative to generative adversarial networks (GANs) for high-fidelity image generation, with wide applications in text-to-image generation, image-to-image translation, and…

图像与视频处理 · 电气工程与系统科学 2026-05-08 Lorenzo Aloisi , Luigi Sigillo , Aurelio Uncini , Danilo Comminiello

The rise of advanced AI models like Generative Adversarial Networks (GANs) and diffusion models such as Stable Diffusion has made the creation of highly realistic images accessible, posing risks of misuse in misinformation and manipulation.…

计算机视觉与模式识别 · 计算机科学 2024-12-03 Justin Jiang

Radiative transfer coupled with highly realistic simulations of the solar atmosphere is routinely used to infer the physical properties underlying solar observations. Due to its computational efficiency, the method of short-characteristics…

太阳与恒星天体物理 · 物理学 2018-04-17 Courtney L. Peck , Serena Criscuoli , Mark P. Rast

Image classification systems often inherit biases from uneven group representation in training data. For example, in face datasets for hair color classification, blond hair may be disproportionately associated with females, reinforcing…

计算机视觉与模式识别 · 计算机科学 2025-12-02 Abhipsa Basu , Aviral Gupta , Abhijnya Bhat , R. Venkatesh Babu

The diffusion model has shown remarkable success in computer vision, but it remains unclear whether the ODE-based probability flow or the SDE-based diffusion model is more superior and under what circumstances. Comparing the two is…

机器学习 · 计算机科学 2023-11-08 Yu Cao , Jingrun Chen , Yixin Luo , Xiang Zhou

Text-embedded image generation plays a critical role in industries such as graphic design, advertising, and digital content creation. Text-to-Image generation methods leveraging diffusion models, such as TextDiffuser-2, have demonstrated…

计算机视觉与模式识别 · 计算机科学 2025-11-11 Kazi Mahathir Rahman , Showrin Rahman , Sharmin Sultana Srishty

Recently proposed large-scale text-to-image generative models such as DALL$\cdot$E 2, Midjourney, and StableDiffusion can generate high-quality and realistic images from users' prompts. Not limited to the research community, ordinary…

计算机视觉与模式识别 · 计算机科学 2023-08-11 Ryuichiro Hataya , Han Bao , Hiromi Arai

This paper investigates the enhancement of spatial resolution in Sentinel-2 bands that contain spectral information using advanced super-resolution techniques by a factor of 2. State-of-the-art CNN models are compared with enhanced GAN…

图像与视频处理 · 电气工程与系统科学 2024-10-22 Patrick Kramer , Alexander Steinhardt , Barbara Pedretscher

Recent advances in generative image restoration (IR) have demonstrated impressive results. However, these methods are hindered by their substantial size and computational demands, rendering them unsuitable for deployment on edge devices.…

图像与视频处理 · 电气工程与系统科学 2025-11-17 Elad Cohen , Idan Achituve , Idit Diamant , Arnon Netzer , Hai Victor Habi

Diffusion models have impressive image generation capability, but low-quality generations still exist, and their identification remains challenging due to the lack of a proper sample-wise metric. To address this, we propose BayesDiff, a…

计算机视觉与模式识别 · 计算机科学 2024-03-05 Siqi Kou , Lei Gan , Dequan Wang , Chongxuan Li , Zhijie Deng