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Diffusion models have shown impressive performance for generative modelling of images. In this paper, we present a novel semantic segmentation method based on diffusion models. By modifying the training and sampling scheme, we show that…

计算机视觉与模式识别 · 计算机科学 2021-12-28 Julia Wolleb , Robin Sandkühler , Florentin Bieder , Philippe Valmaggia , Philippe C. Cattin

Implicit visual knowledge in a large latent diffusion model (LLDM) pre-trained on natural images is rich and hypothetically universal to natural and medical images. To test this hypothesis from a practical perspective, we propose a novel…

图像与视频处理 · 电气工程与系统科学 2024-07-08 Ziqi Gao , S. Kevin Zhou

Recent advances in generative modeling have positioned diffusion models as state-of-the-art tools for sampling from complex data distributions. While these models have shown remarkable success across single-modality domains such as images…

计算机视觉与模式识别 · 计算机科学 2025-10-28 Nimrod Berman , Omkar Joglekar , Eitan Kosman , Dotan Di Castro , Omri Azencot

Deep learning (DL) models for disease classification or segmentation from medical images are increasingly trained using transfer learning (TL) from unrelated natural world images. However, shortcomings and utility of TL for specialized…

机器学习 · 统计学 2021-11-11 Sambuddha Ghosal , Pratik Shah

The recent use of diffusion prior, enhanced by pre-trained text-image models, has markedly elevated the performance of image super-resolution (SR). To alleviate the huge computational cost required by pixel-based diffusion SR, latent-based…

计算机视觉与模式识别 · 计算机科学 2023-12-14 Feng Luo , Jinxi Xiang , Jun Zhang , Xiao Han , Wei Yang

Generative data augmentation with latent diffusion models is a promising strategy for addressing class imbalance in medical imaging, yet current approaches focus on perceptual fidelity and domain-specific autoencoder fine-tuning while…

计算机视觉与模式识别 · 计算机科学 2026-05-19 Mischa Dombrowski , Felix Nützel , Bernhard Kainz

Diffusion Probabilistic Models (DPMs) have been recently utilized to deal with various blind image restoration (IR) tasks, where they have demonstrated outstanding performance in terms of perceptual quality. However, the task-specific…

计算机视觉与模式识别 · 计算机科学 2025-10-07 Magauiya Zhussip , Iaroslav Koshelev , Stamatis Lefkimmiatis

This paper presents innovative enhancements to diffusion models by integrating a novel multi-resolution network and time-dependent layer normalization. Diffusion models have gained prominence for their effectiveness in high-fidelity image…

计算机视觉与模式识别 · 计算机科学 2024-12-02 Qihao Liu , Zhanpeng Zeng , Ju He , Qihang Yu , Xiaohui Shen , Liang-Chieh Chen

Perceptual losses have emerged as powerful tools for training networks to enhance Low-Dose Computed Tomography (LDCT) images, offering an alternative to traditional pixel-wise losses such as Mean Squared Error, which often lead to…

计算机视觉与模式识别 · 计算机科学 2025-10-01 Gabriel A. Viana , Luis F. Alves Pereira , Tsang Ing Ren , George D. C. Cavalcanti , Jan Sijbers

The text to medical image (T2MedI) with latent diffusion model has great potential to alleviate the scarcity of medical imaging data and explore the underlying appearance distribution of lesions in a specific patient status description.…

计算机视觉与模式识别 · 计算机科学 2025-01-09 Xu Han , Fangfang Fan , Jingzhao Rong , Zhen Li , Georges El Fakhri , Qingyu Chen , Xiaofeng Liu

While recent works on blind face image restoration have successfully produced impressive high-quality (HQ) images with abundant details from low-quality (LQ) input images, the generated content may not accurately reflect the real appearance…

计算机视觉与模式识别 · 计算机科学 2024-12-09 Chi-Wei Hsiao , Yu-Lun Liu , Cheng-Kun Yang , Sheng-Po Kuo , Kevin Jou , Chia-Ping Chen

Image-to-image translation (I2I), and particularly its subfield of appearance transfer, which seeks to alter the visual appearance between images while maintaining structural coherence, presents formidable challenges. Despite significant…

计算机视觉与模式识别 · 计算机科学 2023-11-29 Yuteng Ye , Guanwen Li , Hang Zhou , Cai Jiale , Junqing Yu , Yawei Luo , Zikai Song , Qilong Xing , Youjia Zhang , Wei Yang

Diffusion models have recently emerged as powerful generative models in medical imaging. However, it remains a major challenge to combine these data-driven models with domain knowledge to guide brain imaging problems. In neuroimaging,…

Diffusion models (DMs) have recently gained attention with state-of-the-art performance in text-to-image synthesis. Abiding by the tradition in deep learning, DMs are trained and evaluated on the images with fixed sizes. However, users are…

计算机视觉与模式识别 · 计算机科学 2023-10-27 Zhiyu Jin , Xuli Shen , Bin Li , Xiangyang Xue

Latent diffusion models offer an attractive alternative to discrete diffusion for non-autoregressive text generation by operating on continuous text representations and denoising entire sequences in parallel. The major challenge in latent…

Diffusion models have exhibited remarkable capabilities in text-to-image generation. However, their performance in image-to-text generation, specifically image captioning, has lagged behind Auto-Regressive (AR) models, casting doubt on…

人工智能 · 计算机科学 2024-04-17 Yuchi Wang , Shuhuai Ren , Rundong Gao , Linli Yao , Qingyan Guo , Kaikai An , Jianhong Bai , Xu Sun

Latent Diffusion Models have shown remarkable results in text-guided image synthesis in recent years. In the domain of natural (RGB) images, recent works have shown that such models can be adapted to various vision-language downstream tasks…

计算机视觉与模式识别 · 计算机科学 2025-06-13 Konstantinos Vilouras , Ilias Stogiannidis , Junyu Yan , Alison Q. O'Neil , Sotirios A. Tsaftaris

Enhancing a low-light noisy RAW image into a well-exposed and clean sRGB image is a significant challenge for modern digital cameras. Prior approaches have difficulties in recovering fine-grained details and true colors of the scene under…

计算机视觉与模式识别 · 计算机科学 2025-04-21 Qiang Wen , Zhefan Rao , Yazhou Xing , Qifeng Chen

Deep learning has significantly advanced PET image re-construction, achieving remarkable improvements in image quality through direct training on sinogram or image data. Traditional methods often utilize masks for inpainting tasks, but…

计算机视觉与模式识别 · 计算机科学 2025-03-12 Bin Huang , Binzhong He , Yanhan Chen , Zhili Liu , Xinyue Wang , Binxuan Li , Qiegen Liu

Despite its success in image synthesis, we observe that diffusion probabilistic models (DPMs) often lack contextual reasoning ability to learn the relations among object parts in an image, leading to a slow learning process. To solve this…

计算机视觉与模式识别 · 计算机科学 2024-02-22 Shanghua Gao , Pan Zhou , Ming-Ming Cheng , Shuicheng Yan