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Diffusion Probabilistic Models (DPMs) have recently shown remarkable performance in image generation tasks, which are capable of generating highly realistic images. When adopting DPMs for image restoration tasks, the crucial aspect lies in…

计算机视觉与模式识别 · 计算机科学 2023-06-01 Yi Zhang , Xiaoyu Shi , Dasong Li , Xiaogang Wang , Jian Wang , Hongsheng Li

Previous raw image-based low-light image enhancement methods predominantly relied on feed-forward neural networks to learn deterministic mappings from low-light to normally-exposed images. However, they failed to capture critical…

计算机视觉与模式识别 · 计算机科学 2023-08-16 Yufei Wang , Yi Yu , Wenhan Yang , Lanqing Guo , Lap-Pui Chau , Alex C. Kot , Bihan Wen

Denoising diffusion models represent a recent emerging topic in computer vision, demonstrating remarkable results in the area of generative modeling. A diffusion model is a deep generative model that is based on two stages, a forward…

计算机视觉与模式识别 · 计算机科学 2025-01-17 Florinel-Alin Croitoru , Vlad Hondru , Radu Tudor Ionescu , Mubarak Shah

Text-to-image diffusion models have achieved remarkable fidelity in synthesizing images from explicit text prompts, yet exhibit a critical deficiency in processing implicit prompts that require deep-level world knowledge, ranging from…

计算机视觉与模式识别 · 计算机科学 2026-03-24 Xiefan Guo , Xinzhu Ma , Haoxiang Ma , Zihao Zhou , Di Huang

Denoising diffusion probabilistic models (DDPMs) are a recent family of generative models that achieve state-of-the-art results. In order to obtain class-conditional generation, it was suggested to guide the diffusion process by gradients…

计算机视觉与模式识别 · 计算机科学 2023-03-17 Bahjat Kawar , Roy Ganz , Michael Elad

Diffusion Probabilistic Models (DPMs) have shown a powerful capacity of generating high-quality image samples. Recently, diffusion autoencoders (Diff-AE) have been proposed to explore DPMs for representation learning via autoencoding. Their…

计算机视觉与模式识别 · 计算机科学 2023-03-02 Zijian Zhang , Zhou Zhao , Zhijie Lin

The misuse of AI imagery can have harmful societal effects, prompting the creation of detectors to combat issues like the spread of fake news. Existing methods can effectively detect images generated by seen generators, but it is…

计算机视觉与模式识别 · 计算机科学 2023-12-15 Mingjian Zhu , Hanting Chen , Mouxiao Huang , Wei Li , Hailin Hu , Jie Hu , Yunhe Wang

In this work, we address the limitations of denoising diffusion models (DDMs) in image restoration tasks, particularly the shape and color distortions that can compromise image quality. While DDMs have demonstrated a promising performance…

计算机视觉与模式识别 · 计算机科学 2024-12-18 Xinlong Cheng , Tiantian Cao , Guoan Cheng , Bangxuan Huang , Xinghan Tian , Ye Wang , Xiaoyu He , Weixin Li , Tianfan Xue , Xuan Dong

Ultrasound imaging, despite its widespread use in medicine, often suffers from various sources of noise and artifacts that impact the signal-to-noise ratio and overall image quality. Enhancing ultrasound images requires a delicate balance…

计算机视觉与模式识别 · 计算机科学 2024-09-18 Yuxin Zhang , Clément Huneau , Jérôme Idier , Diana Mateus

Deep neural networks are increasingly being used for computer-aided diagnosis, but erroneous diagnoses can be extremely costly for patients. We propose a learning to defer with uncertainty (LDU) algorithm which identifies patients for whom…

机器学习 · 计算机科学 2021-11-30 Jessie Liu , Blanca Gallego , Sebastiano Barbieri

Painterly image harmonization aims to insert photographic objects into paintings and obtain artistically coherent composite images. Previous methods for this task mainly rely on inference optimization or generative adversarial network, but…

计算机视觉与模式识别 · 计算机科学 2023-08-07 Lingxiao Lu , Jiangtong Li , Junyan Cao , Li Niu , Liqing Zhang

Diffusion probabilistic models (DPMs) have shown remarkable results on various image synthesis tasks such as text-to-image generation and image inpainting. However, compared to other generative methods like VAEs and GANs, DPMs lack a…

计算机视觉与模式识别 · 计算机科学 2023-07-13 Yipeng Leng , Qiangjuan Huang , Zhiyuan Wang , Yangyang Liu , Haoyu Zhang

The high performance of denoising diffusion models for image generation has paved the way for their application in unsupervised medical anomaly detection. As diffusion-based methods require a lot of GPU memory and have long sampling times,…

计算机视觉与模式识别 · 计算机科学 2024-03-19 Julia Wolleb , Florentin Bieder , Paul Friedrich , Peter Zhang , Alicia Durrer , Philippe C. Cattin

Diffusion-based data augmentation (DiffDA) has emerged as a promising approach to improving classification performance under data scarcity. However, existing works vary significantly in task configurations, model choices, and experimental…

计算机视觉与模式识别 · 计算机科学 2026-03-10 Zekun Li , Yinghuan Shi , Yang Gao , Dong Xu

Due to their powerful image generation capabilities, diffusion-based adversarial example generation methods through image editing are rapidly gaining popularity. However, due to reliance on the discriminative capability of the diffusion…

计算机视觉与模式识别 · 计算机科学 2025-07-01 Gaozheng Pei , Ke Ma , Dongpeng Zhang , Chengzhi Sun , Qianqian Xu , Qingming Huang

Robust invisible watermarking aims to embed hidden messages into images such that they survive various manipulations while remaining imperceptible. However, powerful diffusion-based image generation and editing models now enable realistic…

密码学与安全 · 计算机科学 2025-11-11 Wenkai Fu , Finn Carter , Yue Wang , Emily Davis , Bo Zhang

We present Intrinsic Image Diffusion, a generative model for appearance decomposition of indoor scenes. Given a single input view, we sample multiple possible material explanations represented as albedo, roughness, and metallic maps.…

计算机视觉与模式识别 · 计算机科学 2024-03-22 Peter Kocsis , Vincent Sitzmann , Matthias Nießner

The development of large language models (LLMs) has significantly advanced the emergence of large multimodal models (LMMs). While LMMs have achieved tremendous success by promoting the synergy between multimodal comprehension and creation,…

计算机视觉与模式识别 · 计算机科学 2025-03-11 Run Luo , Yunshui Li , Longze Chen , Wanwei He , Ting-En Lin , Ziqiang Liu , Lei Zhang , Zikai Song , Xiaobo Xia , Tongliang Liu , Min Yang , Binyuan Hui

Diffusion Probabilistic Methods are employed for state-of-the-art image generation. In this work, we present a method for extending such models for performing image segmentation. The method learns end-to-end, without relying on a…

计算机视觉与模式识别 · 计算机科学 2022-09-08 Tomer Amit , Tal Shaharbany , Eliya Nachmani , Lior Wolf

There has been a longstanding belief that generation can facilitate a true understanding of visual data. In line with this, we revisit generatively pre-training visual representations in light of recent interest in denoising diffusion…

计算机视觉与模式识别 · 计算机科学 2023-04-07 Chen Wei , Karttikeya Mangalam , Po-Yao Huang , Yanghao Li , Haoqi Fan , Hu Xu , Huiyu Wang , Cihang Xie , Alan Yuille , Christoph Feichtenhofer