Search Results for author: ZhenChang Wang

Found 5 papers, 0 papers with code

Image Reconstruction for Accelerated MR Scan with Faster Fourier Convolutional Neural Networks

no code implementations5 Jun 2023 Xiaohan Liu, Yanwei Pang, Xuebin Sun, Yiming Liu, Yonghong Hou, ZhenChang Wang, Xuelong Li

To address this problem, we propose the following: (1) a novel convolutional operator called Faster Fourier Convolution (FasterFC) to replace the two consecutive convolution operations typically used in convolutional neural networks (e. g., U-Net, ResNet).

3D Reconstruction Image Reconstruction

Dual-Domain Reconstruction Networks with V-Net and K-Net for fast MRI

no code implementations11 Mar 2022 Xiaohan Liu, Yanwei Pang, Ruiqi Jin, Yu Liu, ZhenChang Wang

Purpose: To introduce a dual-domain reconstruction network with V-Net and K-Net for accurate MR image reconstruction from undersampled k-space data.

Image Reconstruction

Active Phase-Encode Selection for Slice-Specific Fast MR Scanning Using a Transformer-Based Deep Reinforcement Learning Framework

no code implementations11 Mar 2022 Yiming Liu, Yanwei Pang, Ruiqi Jin, ZhenChang Wang

This paper aims to reducing the scan time by actively and sequentially selecting partial phases in a short time so that a slice can be accurately reconstructed from the resultant slice-specific incomplete K-space matrix.

Image Reconstruction reinforcement-learning +1

Ricci Curvature Based Volumetric Segmentation of the Auditory Ossicles

no code implementations26 Jun 2020 Na Lei, Jisui Huang, Yuxue Ren, Emil Saucan, ZhenChang Wang

Compared to the state-of-the-art methods which usually use the gradient operator and some normalization terms, we propose to add a Ricci curvature term to the commonly employed energy function.

Computed Tomography (CT) Segmentation

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