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Myocardial perfusion imaging (MPI) with single-photon emission computed tomography (SPECT) is a widely used and cost-effective diagnostic tool for coronary artery disease. However, the lengthy scanning time in this imaging procedure can…

计算机视觉与模式识别 · 计算机科学 2025-04-24 Zezhang Yang , Zitong Yu , Nuri Choi , Abhinav K. Jha

Multi-view stereo methods have achieved great success for depth estimation based on the coarse-to-fine depth learning frameworks, however, the existing methods perform poorly in recovering the depth of object boundaries and detail regions.…

计算机视觉与模式识别 · 计算机科学 2025-04-01 Haitao Tian , Junyang Li , Chenxing Wang , Helong Jiang

We propose an approach to reconstruct dense three-dimensional (3D) model of tissue surface from stereo optical videos in real-time, the basic idea of which is to first extract 3D information from video frames by using stereo matching, and…

计算机视觉与模式识别 · 计算机科学 2020-07-27 Haoyin Zhou , Jagadeesan Jayender

Vision Transformer (ViT) models have recently emerged as powerful and versatile models for various visual tasks. Recently, a work called PMF has achieved promising results in few-shot image classification by utilizing pre-trained vision…

计算机视觉与模式识别 · 计算机科学 2023-09-19 Junjie Zhu , Yiying Li , Chunping Qiu , Ke Yang , Naiyang Guan , Xiaodong Yi

Supervised Deep-Learning (DL)-based reconstruction algorithms have shown state-of-the-art results for highly-undersampled dynamic Magnetic Resonance Imaging (MRI) reconstruction. However, the requirement of excessive high-quality…

图像与视频处理 · 电气工程与系统科学 2025-11-11 Jie Feng , Ruimin Feng , Qing Wu , Zhiyong Zhang , Yuyao Zhang , Hongjiang Wei

Purpose: To develop new encoding and reconstruction techniques for fast multi-contrast quantitative imaging. Methods: The recently proposed Echo Planar Time-resolved Imaging (EPTI) technique can achieve fast distortion- and blurring-free…

图像与视频处理 · 电气工程与系统科学 2020-10-05 Zijing Dong , Fuyixue Wang , Timothy G. Reese , Berkin Bilgic , Kawin Setsompop

Real-time acquisition of accurate scene depth is essential for automated robotic minimally invasive surgery. Stereo matching with binocular endoscopy can provide this depth information. However, existing stereo matching methods, designed…

图像与视频处理 · 电气工程与系统科学 2025-10-16 Yang Ding , Can Han , Sijia Du , Yaqi Wang , Dahong Qian

A recent strand of work in view synthesis uses deep learning to generate multiplane images (a camera-centric, layered 3D representation) given two or more input images at known viewpoints. We apply this representation to single-view view…

计算机视觉与模式识别 · 计算机科学 2020-04-24 Richard Tucker , Noah Snavely

Image superresolution involves the processing of an image sequence to generate a still image with higher resolution. Classical approaches, such as bayesian MAP methods, require iterative minimization procedures, with high computational…

计算机视觉与模式识别 · 计算机科学 2016-08-31 Carlos Miravet , Francisco B. Rodriguez

Generating static novel views from an already captured image is a hard task in computer vision and graphics, in particular when the single input image has dynamic parts such as persons or moving objects. In this paper, we tackle this…

计算机视觉与模式识别 · 计算机科学 2021-10-20 Gustavo Sutter P. Carvalho , Diogo C. Luvizon , Antonio Joia Neto , Andre G. C. Pacheco , Otavio A. B. Penatti

Deep learning models have witnessed depth and pose estimation framework on unannotated datasets as a effective pathway to succeed in endoscopic navigation. Most current techniques are dedicated to developing more advanced neural networks to…

计算机视觉与模式识别 · 计算机科学 2023-09-15 Junyang Wu , Yun Gu

We propose Microscopic Propagator Imaging (MPI) as a novel method to retrieve the indices of the microscopic propagator which is the probability density function of water displacements due to diffusion within the nervous tissue…

神经元与认知 · 定量生物学 2025-03-03 Tommaso Zajac , Gloria Menegaz , Marco Pizzolato

This paper addresses the challenge of reconstructing 3D indoor scenes from multi-view images. Many previous works have shown impressive reconstruction results on textured objects, but they still have difficulty in handling low-textured…

计算机视觉与模式识别 · 计算机科学 2022-05-19 Haoyu Guo , Sida Peng , Haotong Lin , Qianqian Wang , Guofeng Zhang , Hujun Bao , Xiaowei Zhou

Per-pixel ground-truth depth data is challenging to acquire at scale. To overcome this limitation, self-supervised learning has emerged as a promising alternative for training models to perform monocular depth estimation. In this paper, we…

计算机视觉与模式识别 · 计算机科学 2019-08-20 Clément Godard , Oisin Mac Aodha , Michael Firman , Gabriel Brostow

Novel view synthesis is a long-standing problem that revolves around rendering frames of scenes from novel camera viewpoints. Volumetric approaches provide a solution for modeling occlusions through the explicit 3D representation of the…

计算机视觉与模式识别 · 计算机科学 2023-03-06 Youssef Abdelkareem , Shady Shehata , Fakhri Karray

We derive a new 3D model for magnetic particle imaging (MPI) that is able to incorporate realistic magnetic fields in the reconstruction process. In real MPI scanners, the generated magnetic fields have distortions that lead to deformed…

数值分析 · 数学 2020-12-30 Gaël Bringout , Wolfgang Erb , Jürgen Frikel

We propose an efficient Stereographic Projection Neural Network (SPNet) for learning representations of 3D objects. We first transform a 3D input volume into a 2D planar image using stereographic projection. We then present a shallow 2D…

计算机视觉与模式识别 · 计算机科学 2019-01-25 Mohsen Yavartanoo , Eu Young Kim , Kyoung Mu Lee

We present a novel framework named PlaneMVS for 3D plane reconstruction from multiple input views with known camera poses. Most previous learning-based plane reconstruction methods reconstruct 3D planes from single images, which highly rely…

计算机视觉与模式识别 · 计算机科学 2024-06-07 Jiachen Liu , Pan Ji , Nitin Bansal , Changjiang Cai , Qingan Yan , Xiaolei Huang , Yi Xu

Monocular depth estimation involves predicting depth from a single RGB image and plays a crucial role in applications such as autonomous driving, robotic navigation, 3D reconstruction, etc. Recent advancements in learning-based methods have…

计算机视觉与模式识别 · 计算机科学 2025-02-05 Jingming Xia , Guanqun Cao , Guang Ma , Yiben Luo , Qinzhao Li , John Oyekan

We propose a cost volume-based neural network for depth inference from multi-view images. We demonstrate that building a cost volume pyramid in a coarse-to-fine manner instead of constructing a cost volume at a fixed resolution leads to a…

计算机视觉与模式识别 · 计算机科学 2020-03-31 Jiayu Yang , Wei Mao , Jose M. Alvarez , Miaomiao Liu