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Recent text-to-image (T2I) diffusion models have achieved remarkable progress in generating high-quality images given text-prompts as input. However, these models fail to convey appropriate spatial composition specified by a layout…

计算机视觉与模式识别 · 计算机科学 2023-11-28 Jiayu Xiao , Henglei Lv , Liang Li , Shuhui Wang , Qingming Huang

Diffusion models have been widely adopted in image generation, producing higher-quality and more diverse samples than generative adversarial networks (GANs). We introduce a latent diffusion model (LDM) for precipitation nowcasting -…

大气与海洋物理 · 物理学 2023-04-26 Jussi Leinonen , Ulrich Hamann , Daniele Nerini , Urs Germann , Gabriele Franch

Diffusion-based models have gained significant popularity for text-to-image generation due to their exceptional image-generation capabilities. A risk with these models is the potential generation of inappropriate content, such as biased or…

计算机视觉与模式识别 · 计算机科学 2024-03-29 Hang Li , Chengzhi Shen , Philip Torr , Volker Tresp , Jindong Gu

Diffusion models (DMs) are generative models that learn to synthesize images from Gaussian noise. DMs can be trained to do a variety of tasks such as image generation and image super-resolution. Researchers have made significant…

计算机视觉与模式识别 · 计算机科学 2025-03-04 Yung Jer Wong , Teck Khim Ng

Despite astonishing progress, generating realistic images of complex scenes remains a challenging problem. Recently, layout-to-image synthesis approaches have attracted much interest by conditioning the generator on a list of bounding boxes…

计算机视觉与模式识别 · 计算机科学 2022-04-06 Stanislav Frolov , Prateek Bansal , Jörn Hees , Andreas Dengel

In the text-to-image generation field, recent remarkable progress in Stable Diffusion makes it possible to generate rich kinds of novel photorealistic images. However, current models still face misalignment issues (e.g., problematic spatial…

计算机视觉与模式识别 · 计算机科学 2023-08-15 Leigang Qu , Shengqiong Wu , Hao Fei , Liqiang Nie , Tat-Seng Chua

Image and multimodal machine learning tasks are very challenging to solve in the case of poorly distributed data. In particular, data availability and privacy restrictions exacerbate these hurdles in the medical domain. The state of the art…

计算机视觉与模式识别 · 计算机科学 2025-02-03 Rafael Elberg , Denis Parra , Mircea Petrache

Large-scale text-to-image models that can generate high-quality and diverse images based on textual prompts have shown remarkable success. These models aim ultimately to create complex scenes, and addressing the challenge of multi-subject…

计算机视觉与模式识别 · 计算机科学 2024-05-03 Barak Battash , Amit Rozner , Lior Wolf , Ofir Lindenbaum

We propose a new finetuning method to provide pre-trained large language models (LMs) the ability to scale test-time compute through the diffusion framework. By increasing the number of diffusion steps, we show our finetuned models achieve…

计算与语言 · 计算机科学 2025-06-04 Edoardo Cetin , Tianyu Zhao , Yujin Tang

Diffusion models have emerged as a powerful class of generative models, achieving state-of-the-art results in continuous data domains such as image and video generation. Their core mechanism involves a forward diffusion process that…

计算与语言 · 计算机科学 2025-07-10 Ashen Weligalle

This article targets at unlocking the potentials of a class of prominent generative artificial intelligence (GAI) method, namely diffusion model (DM), for mobile communications. First, a DM-driven communication architecture is proposed,…

信号处理 · 电气工程与系统科学 2024-10-22 Xiaoxia Xu , Xidong Mu , Yuanwei Liu , Hong Xing , Yue Liu , Arumugam Nallanathan

Generative artificial intelligence (GenAI) can reshape education and learning. While large language models (LLMs) like ChatGPT dominate current educational research, multimodal capabilities, such as text-to-speech and text-to-image, are…

人工智能 · 计算机科学 2025-04-03 Ville Heilala , Roberto Araya , Raija Hämäläinen

Since the introduction of ChatGPT in 2022, Large language models (LLMs) and Large Multimodal Models (LMM) have transformed content creation, enabling the generation of human-quality content, spanning every medium, text, images, videos, and…

Training fall detection systems is challenging due to the scarcity of real-world fall data, particularly from elderly individuals. To address this, we explore the potential of Large Language Models (LLMs) for generating synthetic fall data.…

计算与语言 · 计算机科学 2025-05-09 Sana Alamgeer , Yasine Souissi , Anne H. H. Ngu

Text-to-Image (TTI) generative models have shown great progress in the past few years in terms of their ability to generate complex and high-quality imagery. At the same time, these models have been shown to suffer from harmful biases,…

计算机视觉与模式识别 · 计算机科学 2024-07-18 Aditya Chinchure , Pushkar Shukla , Gaurav Bhatt , Kiri Salij , Kartik Hosanagar , Leonid Sigal , Matthew Turk

Despite recent advancements in latent diffusion models that generate high-dimensional image data and perform various downstream tasks, there has been little exploration into perceptual consistency within these models on the task of…

计算机视觉与模式识别 · 计算机科学 2025-06-03 Shreshth Saini , Ru-Ling Liao , Yan Ye , Alan C. Bovik

While diffusion-based text-to-image (T2I) models provide a simple and powerful way to generate images, guiding this generation remains a challenge. For concepts that are difficult to describe through language, users may struggle to create…

人机交互 · 计算机科学 2023-08-11 John Joon Young Chung , Eytan Adar

Neuroimaging data, particularly from techniques like MRI or PET, offer rich but complex information about brain structure and activity. To manage this complexity, latent representation models - such as Autoencoders, Generative Adversarial…

计算机视觉与模式识别 · 计算机科学 2024-12-31 C. Vázquez-García , F. J. Martínez-Murcia , F. Segovia Román , Juan M. Górriz

Recently, the diffusion-based generative paradigm has achieved impressive general image generation capabilities with text prompts due to its accurate distribution modeling and stable training process. However, generating diverse remote…

图像与视频处理 · 电气工程与系统科学 2024-10-31 Jialin Luo , Yuanzhi Wang , Ziqi Gu , Yide Qiu , Shuaizhen Yao , Fuyun Wang , Chunyan Xu , Wenhua Zhang , Dan Wang , Zhen Cui

With the emergence of diffusion models as a frontline generative model, many researchers have proposed molecule generation techniques with conditional diffusion models. However, the unavoidable discreteness of a molecule makes it difficult…

机器学习 · 计算机科学 2025-06-05 Jinho Chang , Jong Chul Ye