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In the realm of medical imaging, inverse problems aim to infer high-quality images from incomplete, noisy measurements, with the objective of minimizing expenses and risks to patients in clinical settings. The Diffusion Models have recently…

图像与视频处理 · 电气工程与系统科学 2024-04-08 Hossein Askari , Fred Roosta , Hongfu Sun

Magnetic resonance diffusion tensor imaging (DTI) is a critical tool for neural disease diagnosis. However, long scan time greatly hinders the widespread clinical use of DTI. To accelerate image acquisition, a feature-enhanced joint…

图像与视频处理 · 电气工程与系统科学 2024-05-28 Lang Zhang , Jinling He , Dong Liang , Hairong Zheng , Yanjie Zhu

Text-to-Image models have introduced a remarkable leap in the evolution of machine learning, demonstrating high-quality synthesis of images from a given text-prompt. However, these powerful pretrained models still lack control handles that…

计算机视觉与模式识别 · 计算机科学 2022-11-28 Andrey Voynov , Kfir Aberman , Daniel Cohen-Or

Diffusion-based models have achieved state-of-the-art performance on text-to-image synthesis tasks. However, one critical limitation of these models is the low fidelity of generated images with respect to the text description, such as…

计算机视觉与模式识别 · 计算机科学 2023-04-11 Qiucheng Wu , Yujian Liu , Handong Zhao , Trung Bui , Zhe Lin , Yang Zhang , Shiyu Chang

Designing generative models for 3D structural brain MRI that synthesize morphologically-plausible and attribute-specific (e.g., age, sex, disease state) samples is an active area of research. Existing approaches based on frameworks like…

图像与视频处理 · 电气工程与系统科学 2025-08-04 Alan Q. Wang , Fangrui Huang , Bailey Trang , Wei Peng , Mohammad Abbasi , Kilian Pohl , Mert Sabuncu , Ehsan Adeli

Magnetic Resonance Imaging (MRI) is widely used in routine clinical diagnosis and treatment. However, variations in MRI acquisition protocols result in different appearances of normal and diseased tissue in the images. Convolutional neural…

Low-light image enhancement (LLIE) techniques attempt to increase the visibility of images captured in low-light scenarios. However, as a result of enhancement, a variety of image degradations such as noise and color bias are revealed.…

图像与视频处理 · 电气工程与系统科学 2024-09-10 Savvas Panagiotou , Anna S. Bosman

Diffusion models have exhibit exceptional performance in text-to-image generation and editing. However, existing methods often face challenges when handling complex text prompts that involve multiple objects with multiple attributes and…

计算机视觉与模式识别 · 计算机科学 2024-06-05 Ling Yang , Zhaochen Yu , Chenlin Meng , Minkai Xu , Stefano Ermon , Bin Cui

Deep learning (DL) methods have been extensively applied to various image recovery problems, including magnetic resonance imaging (MRI) and computed tomography (CT) reconstruction. Beyond supervised models, other approaches have been…

图像与视频处理 · 电气工程与系统科学 2024-12-24 Shijun Liang , Ismail Alkhouri , Qing Qu , Rongrong Wang , Saiprasad Ravishankar

In spite of the rapidly evolving landscape of text-to-image generation, the synthesis and manipulation of multiple entities while adhering to specific relational constraints pose enduring challenges. This paper introduces an innovative…

计算机视觉与模式识别 · 计算机科学 2024-01-22 YuTeng Ye , Jiale Cai , Hang Zhou , Guanwen Li , Youjia Zhang , Zikai Song , Chenxing Gao , Junqing Yu , Wei Yang

Recent progress in imitation learning has been enabled by policy architectures that scale to complex visuomotor tasks, multimodal distributions, and large datasets. However, these methods often rely on learning from large amount of expert…

机器人学 · 计算机科学 2025-04-24 Amber Xie , Oleh Rybkin , Dorsa Sadigh , Chelsea Finn

Magnetic Resonance Imaging generally requires long exposure times, while being sensitive to patient motion, resulting in artifacts in the acquired images, which may hinder their diagnostic relevance. Despite research efforts to decrease the…

图像与视频处理 · 电气工程与系统科学 2025-02-04 Paolo Angella , Vito Paolo Pastore , Matteo Santacesaria

Deep learning has achieved notable performance in the denoising task of low-quality medical images and the detection task of lesions, respectively. However, existing low-quality medical image denoising approaches are disconnected from the…

计算机视觉与模式识别 · 计算机科学 2021-04-20 Kecheng Chen , Kun Long , Yazhou Ren , Jiayu Sun , Xiaorong Pu

Medical imaging plays a vital role in modern diagnostics; however, interpreting high-resolution radiological data remains time-consuming and susceptible to variability among clinicians. Traditional image processing techniques often lack the…

计算机视觉与模式识别 · 计算机科学 2025-10-21 Melika Filvantorkaman , Maral Filvan Torkaman

Existing text-to-image diffusion models excel at generating high-quality images, but face significant efficiency challenges when scaled to high resolutions, like 4K image generation. While previous research accelerates diffusion models in…

计算机视觉与模式识别 · 计算机科学 2025-10-02 Wenkun He , Yuchao Gu , Junyu Chen , Dongyun Zou , Yujun Lin , Zhekai Zhang , Haocheng Xi , Muyang Li , Ligeng Zhu , Jincheng Yu , Junsong Chen , Enze Xie , Song Han , Han Cai

Patient data from real-world clinical practice often suffers from data scarcity and long-tail imbalances, leading to biased outcomes or algorithmic unfairness. This study addresses these challenges by generating lesion-containing…

图像与视频处理 · 电气工程与系统科学 2024-10-08 Hantao Zhang , Yuhe Liu , Jiancheng Yang , Shouhong Wan , Xinyuan Wang , Wei Peng , Pascal Fua

Diffusion models have recently achieved significant success in various image manipulation tasks, including image super-resolution and perceptual quality enhancement. Pretrained text-to-image models, such as Stable Diffusion, have exhibited…

计算机视觉与模式识别 · 计算机科学 2025-10-16 Sanchar Palit , Subhasis Chaudhuri , Biplab Banerjee

Various imaging modalities are used in patient diagnosis, each offering unique advantages and valuable insights into anatomy and pathology. Computed Tomography (CT) is crucial in diagnostics, providing high-resolution images for precise…

图像与视频处理 · 电气工程与系统科学 2024-12-30 Rabeya Tus Sadia , Jie Zhang , Jin Chen

Multimodal learning has rapidly advanced visual understanding, largely via multimodal large language models (MLLMs) that use powerful LLMs as cognitive cores. In visual generation, however, these powerful core models are typically reduced…

计算机视觉与模式识别 · 计算机科学 2025-12-15 Han Lin , Xichen Pan , Ziqi Huang , Ji Hou , Jialiang Wang , Weifeng Chen , Zecheng He , Felix Juefei-Xu , Junzhe Sun , Zhipeng Fan , Ali Thabet , Mohit Bansal , Chu Wang

Learning-based approaches, especially those based on deep networks, have enabled high-quality estimation of tissue microstructure from low-quality diffusion magnetic resonance imaging (dMRI) scans, which are acquired with a limited number…

图像与视频处理 · 电气工程与系统科学 2019-10-25 Yu Qin , Yuxing Li , Zhiwen Liu , Chuyang Ye