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Computed Tomography (CT) is widely used in healthcare for detailed imaging. However, Low-dose CT, despite reducing radiation exposure, often results in images with compromised quality due to increased noise. Traditional methods, including…

图像与视频处理 · 电气工程与系统科学 2024-09-17 Herman Verinaz-Jadan , Su Yan

Recent advancements in text-guided diffusion models have unlocked powerful image manipulation capabilities. However, applying these methods to real images necessitates the inversion of the images into the domain of the pretrained diffusion…

计算机视觉与模式识别 · 计算机科学 2024-03-22 Daniel Garibi , Or Patashnik , Andrey Voynov , Hadar Averbuch-Elor , Daniel Cohen-Or

We introduce DiffAug, a simple and efficient diffusion-based augmentation technique to train image classifiers for the crucial yet challenging goal of improved classifier robustness. Applying DiffAug to a given example consists of one…

计算机视觉与模式识别 · 计算机科学 2024-05-30 Chandramouli Sastry , Sri Harsha Dumpala , Sageev Oore

The development of modern Artificial Intelligence (AI) models, particularly diffusion-based models employed in computer vision and image generation tasks, is undergoing a paradigmatic shift in development methodologies. Traditionally…

机器学习 · 计算机科学 2025-06-13 Sajjad Abdoli , Freeman Lewin , Gediminas Vasiliauskas , Fabian Schonholz

This letter introduces a dual application of denoising diffusion probabilistic model (DDPM)-based channel estimation algorithm integrating data denoising and augmentation. Denoising addresses the severe noise in raw signals at pilot…

信号处理 · 电气工程与系统科学 2025-10-06 Yupeng Li , Ruhao Zhang , Yitong Liu , Chunju Shao , Jing Jin , Shijian Gao

Diffusion inversion is the problem of taking an image and a text prompt that describes it and finding a noise latent that would generate the exact same image. Most current deterministic inversion techniques operate by approximately solving…

计算机视觉与模式识别 · 计算机科学 2025-02-07 Dvir Samuel , Barak Meiri , Haggai Maron , Yoad Tewel , Nir Darshan , Shai Avidan , Gal Chechik , Rami Ben-Ari

We propose DiffuStereo, a novel system using only sparse cameras (8 in this work) for high-quality 3D human reconstruction. At its core is a novel diffusion-based stereo module, which introduces diffusion models, a type of powerful…

计算机视觉与模式识别 · 计算机科学 2022-07-21 Ruizhi Shao , Zerong Zheng , Hongwen Zhang , Jingxiang Sun , Yebin Liu

To overcome inherent hardware limitations of hyperspectral imaging systems with respect to their spatial resolution, fusion-based hyperspectral image (HSI) super-resolution is attracting increasing attention. This technique aims to fuse a…

图像与视频处理 · 电气工程与系统科学 2022-01-25 Xiuheng Wang , Jie Chen , Cédric Richard

While diffusion-based image restoration (IR) methods have achieved remarkable success, they are still limited by the low inference speed attributed to the necessity of executing hundreds or even thousands of sampling steps. Existing…

计算机视觉与模式识别 · 计算机科学 2024-11-26 Zongsheng Yue , Jianyi Wang , Chen Change Loy

Robust local feature representations are essential for spatial intelligence tasks such as robot navigation and augmented reality. Establishing reliable correspondences requires descriptors that provide both high discriminative power and…

计算机视觉与模式识别 · 计算机科学 2026-01-15 Haodi Yao , Fenghua He , Ning Hao , Yao Su

Image tokenization plays a central role in modern generative modeling by mapping visual inputs into compact representations that serve as an intermediate signal between pixels and generative models. Diffusion-based decoders have recently…

计算机视觉与模式识别 · 计算机科学 2026-03-23 Chuhan Wang , Hao Chen

Denoising diffusion probabilistic models (DDPMs) have recently achieved leading performances in many generative tasks. However, the inherited iterative sampling process costs hinder their applications to text-to-speech deployment. Through…

音频与语音处理 · 电气工程与系统科学 2022-07-14 Rongjie Huang , Zhou Zhao , Huadai Liu , Jinglin Liu , Chenye Cui , Yi Ren

The lack of large-scale noisy-clean image pairs restricts supervised denoising methods' deployment in actual applications. While existing unsupervised methods are able to learn image denoising without ground-truth clean images, they either…

计算机视觉与模式识别 · 计算机科学 2022-03-23 Yi Zhang , Dasong Li , Ka Lung Law , Xiaogang Wang , Hongwei Qin , Hongsheng Li

Dramatic advances in the quality of the latent diffusion models (LDMs) also led to the malicious use of AI-generated images. While current AI-generated image detection methods assume the availability of real/AI-generated images for…

计算机视觉与模式识别 · 计算机科学 2026-04-14 Sungik Choi , Hankook Lee , Jaehoon Lee , Seunghyun Kim , Stanley Jungkyu Choi , Moontae Lee

While many diffusion models have achieved impressive results in real-world video super-resolution (Real-VSR) by generating rich and realistic details, their reliance on multi-step sampling leads to slow inference. One-step networks like…

计算机视觉与模式识别 · 计算机科学 2026-03-03 Bin Chen , Weiqi Li , Shijie Zhao , Xuanyu Zhang , Junlin Li , Li Zhang , Jian Zhang

Hyperspectral pansharpening aims to synthesize a low-resolution hyperspectral image (LR-HSI) with a registered panchromatic image (PAN) to generate an enhanced HSI with high spectral and spatial resolution. Recently proposed HS…

计算机视觉与模式识别 · 计算机科学 2021-07-07 Wele Gedara Chaminda Bandara , Jeya Maria Jose Valanarasu , Vishal M. Patel

Modeling and manufacturing of personalized cranial implants are important research areas that may decrease the waiting time for patients suffering from cranial damage. The modeling of personalized implants may be partially automated by the…

计算机视觉与模式识别 · 计算机科学 2024-06-11 Marek Wodzinski , Kamil Kwarciak , Mateusz Daniol , Daria Hemmerling

DDIM inversion has revealed the remarkable potential of real image editing within diffusion-based methods. However, the accuracy of DDIM reconstruction degrades as larger classifier-free guidance (CFG) scales being used for enhanced…

Diffusion models have demonstrated excellent performance for real-world image super-resolution (Real-ISR), albeit at high computational costs. Most existing methods are trying to derive one-step diffusion models from multi-step counterparts…

计算机视觉与模式识别 · 计算机科学 2025-03-11 Jianze Li , Jiezhang Cao , Zichen Zou , Xiongfei Su , Xin Yuan , Yulun Zhang , Yong Guo , Xiaokang Yang

Diffusion models have recently received a surge of interest due to their impressive performance for image restoration, especially in terms of noise robustness. However, existing diffusion-based methods are trained on a large amount of…

计算机视觉与模式识别 · 计算机科学 2023-03-21 Yuchun Miao , Lefei Zhang , Liangpei Zhang , Dacheng Tao
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