English
Related papers

Related papers: EPC-3D-Diff: Equivariant Physics Consistent Condit…

200 papers

Cone Beam Computed Tomography(CBCT) is a now known method to conduct CT imaging. Especially, The Low Dose CT imaging is one of possible options to protect organs of patients when conducting CT imaging. Therefore Low Dose CT imaging can be…

Computer Vision and Pattern Recognition · Computer Science 2021-04-05 Wooram Kang , Mayank Patwari

Objective: Positron Emission Tomography (PET) has been a commonly used imaging modality in broad clinical applications. One of the most important tradeoffs in PET imaging is between image quality and radiation dose: high image quality comes…

Image and Video Processing · Electrical Eng. & Systems 2024-04-18 Shaoyan Pan , Elham Abouei , Junbo Peng , Joshua Qian , Jacob F Wynne , Tonghe Wang , Chih-Wei Chang , Justin Roper , Jonathon A Nye , Hui Mao , Xiaofeng Yang

Many clinical applications depend critically on the accurate differentiation and classification of different types of materials in patient anatomy. This work introduces a unified framework for accurate nonlinear material decomposition and…

Medical Physics · Physics 2018-03-19 Wei Zhao , Don Vernekohl , Fei Han , Bin Han , Hao Peng , Lei Xing , James K Min

The deployment of artificial intelligence in medical imaging is hindered by high computational complexity and resource-intensive processing of volumetric data. Although chest computed tomography (CT) volumes offer richer diagnostic…

Computer Vision and Pattern Recognition · Computer Science 2026-05-04 Shadid Yousuf , S. M. Mahbubur Rahman , Mohammed Imamul Hassan Bhuiyan

By embedding discrete representations into a continuous latent space, we can leverage continuous-space latent diffusion models to handle generative modeling of discrete data. However, despite their initial success, most latent diffusion…

Machine Learning · Computer Science 2025-04-02 Bac Nguyen , Chieh-Hsin Lai , Yuhta Takida , Naoki Murata , Toshimitsu Uesaka , Stefano Ermon , Yuki Mitsufuji

Coronary artery calcium (CAC) scoring from chest CT is a well-established tool to stratify and refine clinical cardiovascular disease risk estimation. CAC quantification relies on the accurate delineation of calcified lesions, but is…

Computer Vision and Pattern Recognition · Computer Science 2026-01-01 Xinran Gong , Gorkem Durak , Halil Ertugrul Aktas , Vedat Cicek , Jinkui Hao , Ulas Bagci , Nilay S. Shah , Bo Zhou

Detection of rare lesions in whole-body CT is fundamentally limited by extreme class imbalance and low target-to-volume ratios, producing precision collapse despite high AUROC. Synthetic augmentation with diffusion models offers promise,…

Image and Video Processing · Electrical Eng. & Systems 2026-03-02 Yifan Li , Mehrdad Salimitari , Taiyu Zhang , Guang Li , David Dreizin

While contrast-enhanced CT (CECT) is standard for assessing abdominal aortic aneurysms (AAA), the required iodinated contrast agents pose significant risks, including nephrotoxicity, patient allergies, and environmental harm. To reduce…

Computer Vision and Pattern Recognition · Computer Science 2025-12-08 Yuxuan Ou , Ning Bi , Jiazhen Pan , Jiancheng Yang , Boliang Yu , Usama Zidan , Regent Lee , Vicente Grau

Anatomical structures such as blood vessels in contrast-enhanced CT (ceCT) images can be challenging to segment due to the variability in contrast medium diffusion. The combined use of ceCT and contrast-free (CT) CT images can improve the…

Image and Video Processing · Electrical Eng. & Systems 2022-10-05 Giammarco La Barbera , Haithem Boussaid , Francesco Maso , Sabine Sarnacki , Laurence Rouet , Pietro Gori , Isabelle Bloch

Optical coherence tomography (OCT) image analysis plays an important role in the field of ophthalmology. Current successful analysis models rely on available large datasets, which can be challenging to be obtained for certain tasks. The use…

Image and Video Processing · Electrical Eng. & Systems 2024-05-28 Kun Huang , Xiao Ma , Yuhan Zhang , Na Su , Songtao Yuan , Yong Liu , Qiang Chen , Huazhu Fu

Contemporary diffusion models built upon U-Net or Diffusion Transformer (DiT) architectures have revolutionized image generation through transformer-based attention mechanisms. The prevailing paradigm has commonly employed self-attention…

Computer Vision and Pattern Recognition · Computer Science 2025-05-01 ZiYi Dong , Chengxing Zhou , Weijian Deng , Pengxu Wei , Xiangyang Ji , Liang Lin

Low-dose computed tomography (CT) plays a significant role in reducing the radiation risk in clinical applications. However, lowering the radiation dose will significantly degrade the image quality. With the rapid development and wide…

Image and Video Processing · Electrical Eng. & Systems 2022-12-08 Bin Huang , Liu Zhang , Shiyu Lu , Boyu Lin , Weiwen Wu , Qiegen Liu

Recent advancements in video generation have seen a shift towards unified, transformer-based foundation models that can handle multiple conditional inputs in-context. However, these models have primarily focused on modalities like text,…

Computer Vision and Pattern Recognition · Computer Science 2025-12-23 Wenze Liu , Weicai Ye , Minghong Cai , Quande Liu , Xintao Wang , Xiangyu Yue

Our aim was to enhance visual quality and quantitative accuracy of dynamic positron emission tomography (PET)uptake images by improved image reconstruction, using sophisticated sparse penalty models that incorporate both 2D spatial+1D…

Computer Vision and Pattern Recognition · Computer Science 2019-06-17 Ida Häggström , Yizun Lin , Si Li , Andrzej Krol , Yuesheng Xu , C. Ross Schmidtlein

Spherical convolutional networks have been introduced recently as tools to learn powerful feature representations of 3D shapes. Spherical CNNs are equivariant to 3D rotations making them ideally suited to applications where 3D data may be…

Computer Vision and Pattern Recognition · Computer Science 2019-05-16 Carlos Esteves , Avneesh Sud , Zhengyi Luo , Kostas Daniilidis , Ameesh Makadia

Consistency Training (CT) has recently emerged as a strong alternative to diffusion models for image generation. However, non-distillation CT often suffers from high variance and instability, motivating ongoing research into its training…

Machine Learning · Computer Science 2025-06-05 Gianluigi Silvestri , Luca Ambrogioni , Chieh-Hsin Lai , Yuhta Takida , Yuki Mitsufuji

Controllable pathology image synthesis requires reliable regulation of spatial layout, tissue morphology, and semantic detail. However, existing text-guided diffusion models offer only coarse global control and lack the ability to enforce…

Computer Vision and Pattern Recognition · Computer Science 2026-03-17 Yuntao Shou , Xiangyong Cao , Qian Zhao , Deyu Meng

Image restoration refers to the process of restoring a damaged low-quality image back to its corresponding high-quality image. Typically, we use convolutional neural networks to directly learn the mapping from low-quality images to…

Image and Video Processing · Electrical Eng. & Systems 2024-08-30 Conghan Yue , Zhengwei Peng , Junlong Ma , Dongyu Zhang

Symbolic-control drum generation requires preserving explicit event timing and dynamics while synthesizing acoustically plausible waveforms. We present Sec2Drum-DAC, a conditional latent-diffusion model for symbolic-to-audio drum rendering.…

The correction of the aberration of transcranial focused ultrasounds is a relevant issue for enhancing various non-invasive medical treatments. Emission through multi-element phased arrays has been the most widely accepted method to reduce…

Medical Physics · Physics 2018-05-28 Marcelino Ferri , JM Bravo , Javier Redondo , JV Sánchez-Pérez
‹ Prev 1 8 9 10 Next ›