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Ultrasound images are one of the most widely used techniques in clinical settings to analyze and detect different organs for study or diagnoses of diseases. The dependence on subjective opinions of experts such as radiologists calls for an…

图像与视频处理 · 电气工程与系统科学 2019-11-25 Ruturaj Gole , Haixia Wu , Subho Ghose

Recent advances in generative models have yielded impressive progress on motion in-betweening, allowing for more complex, varied, and realistic motion transitions. However, recent methods still exhibit noticeable limitations in preserving…

图形学 · 计算机科学 2026-05-14 Shiyu Fan , Paul Henderson , Edmond S. L. Ho

Temporal volume images with 3D+t (4D) information are often used in medical imaging to statistically analyze temporal dynamics or capture disease progression. Although deep-learning-based generative models for natural images have been…

图像与视频处理 · 电气工程与系统科学 2022-06-28 Boah Kim , Jong Chul Ye

The limited availability of 3D medical image datasets, due to privacy concerns and high collection or annotation costs, poses significant challenges in the field of medical imaging. While a promising alternative is the use of synthesized…

图像与视频处理 · 电气工程与系统科学 2024-05-27 Lingting Zhu , Noel Codella , Dongdong Chen , Zhenchao Jin , Lu Yuan , Lequan Yu

Existing 3D surface representation approaches are unable to accurately classify pixels and their orientation lying on the boundary of an object. Thus resulting in coarse representations which usually require post-processing steps to extract…

计算机视觉与模式识别 · 计算机科学 2019-01-23 Mateusz Michalkiewicz , Jhony K. Pontes , Dominic Jack , Mahsa Baktashmotlagh , Anders Eriksson

Diffusion models (DMs) excel in photo-realistic image synthesis, but their adaptation to LiDAR scene generation poses a substantial hurdle. This is primarily because DMs operating in the point space struggle to preserve the curve-like…

计算机视觉与模式识别 · 计算机科学 2024-04-22 Haoxi Ran , Vitor Guizilini , Yue Wang

Intensity modulated radiotherapy (IMRT) is one of the most common modalities for treating cancer patients. One of the biggest challenges is precise treatment delivery that accounts for varying motion patterns originating from…

计算机视觉与模式识别 · 计算机科学 2023-03-15 Matej Gazda , Peter Drotar , Liset Vazquez Romaguera , Samuel Kadoury

This paper introduces a deep neural network based method, i.e., DeepOrganNet, to generate and visualize high-fidelity 3D / 4D organ geometric models from single-view medical image in real time. Traditional 3D / 4D medical image…

图形学 · 计算机科学 2019-07-23 Yifan Wang , Zichun Zhong , Jing Hua

Latent diffusion models have proven to be state-of-the-art in the creation and manipulation of visual outputs. However, as far as we know, the generation of depth maps jointly with RGB is still limited. We introduce LDM3D-VR, a suite of…

计算机视觉与模式识别 · 计算机科学 2023-11-07 Gabriela Ben Melech Stan , Diana Wofk , Estelle Aflalo , Shao-Yen Tseng , Zhipeng Cai , Michael Paulitsch , Vasudev Lal

Generative models aim to learn the distribution of observed data by generating new instances. With the advent of neural networks, deep generative models, including variational autoencoders (VAEs), generative adversarial networks (GANs), and…

计算机视觉与模式识别 · 计算机科学 2023-08-29 Zifan Shi , Sida Peng , Yinghao Xu , Andreas Geiger , Yiyi Liao , Yujun Shen

Pulmonary diseases rank prominently among the principal causes of death worldwide. Curing them will require, among other things, a better understanding of the complex 3D tree-shaped structures within the pulmonary system, such as airways,…

计算机视觉与模式识别 · 计算机科学 2024-10-21 Kangxian Xie , Jiancheng Yang , Donglai Wei , Ziqiao Weng , Pascal Fua

We are witnessing an explosion of neural implicit representations in computer vision and graphics. Their applicability has recently expanded beyond tasks such as shape generation and image-based rendering to the fundamental problem of…

计算机视觉与模式识别 · 计算机科学 2022-05-26 Jiaming Sun , Xi Chen , Qianqian Wang , Zhengqi Li , Hadar Averbuch-Elor , Xiaowei Zhou , Noah Snavely

We investigate whether synthetic images generated by diffusion models can enhance multi-label classification of protein subcellular localization. Specifically, we implement a simplified class-conditional denoising diffusion probabilistic…

计算机视觉与模式识别 · 计算机科学 2025-05-30 Sylvey Lin , Zhi-Yi Cao

Automatic delineation and measurement of main organs such as liver is one of the critical steps for assessment of hepatic diseases, planning and postoperative or treatment follow-up. However, addressing this problem typically requires…

计算机视觉与模式识别 · 计算机科学 2019-04-02 Elena Balashova , Jiangping Wang , Vivek Singh , Bogdan Georgescu , Brian Teixeira , Ankur Kapoor

Medical image segmentation models struggle with rare abnormalities due to scarce annotated pathological data. We propose DiffAug a novel framework that combines textguided diffusion-based generation with automatic segmentation validation to…

计算机视觉与模式识别 · 计算机科学 2025-08-26 Maham Nazir , Muhammad Aqeel , Francesco Setti

This work aims to improve the applicability of diffusion models in realistic image restoration. Specifically, we enhance the diffusion model in several aspects such as network architecture, noise level, denoising steps, training image size,…

计算机视觉与模式识别 · 计算机科学 2023-04-18 Ziwei Luo , Fredrik K. Gustafsson , Zheng Zhao , Jens Sjölund , Thomas B. Schön

Many approaches have been proposed to use diffusion models to augment training datasets for downstream tasks, such as classification. However, diffusion models are themselves trained on large datasets, often with noisy annotations, and it…

计算机视觉与模式识别 · 计算机科学 2023-12-01 Max F. Burg , Florian Wenzel , Dominik Zietlow , Max Horn , Osama Makansi , Francesco Locatello , Chris Russell

Image restoration aims to enhance low quality images, producing high quality images that exhibit natural visual characteristics and fine semantic attributes. Recently, the diffusion model has emerged as a powerful technique for image…

计算机视觉与模式识别 · 计算机科学 2024-07-23 Jiangtong Tan , Feng Zhao

Recent Diffusion Transformers (e.g., DiT) have demonstrated their powerful effectiveness in generating high-quality 2D images. However, it is still being determined whether the Transformer architecture performs equally well in 3D shape…

计算机视觉与模式识别 · 计算机科学 2023-07-06 Shentong Mo , Enze Xie , Ruihang Chu , Lewei Yao , Lanqing Hong , Matthias Nießner , Zhenguo Li

Diffusion models (DMs) have exhibited remarkable efficacy in various image restoration tasks. However, existing approaches typically operate within the high-dimensional pixel space, resulting in high computational overhead. While methods…

计算机视觉与模式识别 · 计算机科学 2026-05-15 Yang Zheng , Wen Li , Zhaoqiang Liu