中文
相关论文

相关论文: CTLformer: A Hybrid Denoising Model Combining Conv…

200 篇论文

Low-dose computed tomography (LDCT) denoising is an important problem in CT research. Compared to the normal dose CT (NDCT), LDCT images are subjected to severe noise and artifacts. Recently in many studies, vision transformers have shown…

图像与视频处理 · 电气工程与系统科学 2023-03-29 Dayang Wang , Fenglei Fan , Zhan Wu , Rui Liu , Fei Wang , Hengyong Yu

Low-dose CT (LDCT) significantly reduces the radiation dose received by patients, however, dose reduction introduces additional noise and artifacts. Currently, denoising methods based on convolutional neural networks (CNNs) face limitations…

图像与视频处理 · 电气工程与系统科学 2025-07-08 Linxuan Li , Wenjia Wei , Luyao Yang , Wenwen Zhang , Jiashu Dong , Yahua Liu , Hongshi Huang , Wei Zhao

This paper studies 3D low-dose computed tomography (CT) imaging. Although various deep learning methods were developed in this context, typically they focus on 2D images and perform denoising due to low-dose and deblurring for…

图像与视频处理 · 电气工程与系统科学 2024-01-10 Zhihao Chen , Chuang Niu , Qi Gao , Ge Wang , Hongming Shan

Low-dose Computed Tomography (LDCT) reconstruction is an important task in medical image analysis. Recent years have seen many deep learning based methods, proved to be effective in this area. However, these methods mostly follow a…

图像与视频处理 · 电气工程与系统科学 2023-02-08 Runyi Li

Low-dose computed tomography (LDCT) reduces radiation exposure but suffers from image artifacts and loss of detail due to quantum and electronic noise, potentially impacting diagnostic accuracy. Transformer combined with diffusion models…

图像与视频处理 · 电气工程与系统科学 2025-07-01 Qiqing Liu , Guoquan Wei , Zekun Zhou , Yiyang Wen , Liu Shi , Qiegen Liu

With the development of deep learning, medical image processing has been widely used to assist clinical research. This paper focuses on the denoising problem of low-dose computed tomography using deep learning. Although low-dose computed…

图像与视频处理 · 电气工程与系统科学 2026-05-19 Zhilin Guan , Wei Zhang

Being low-level radiation exposure and less harmful to health, low-dose computed tomography (LDCT) has been widely adopted in the early screening of lung cancer and COVID-19. LDCT images inevitably suffer from the degradation problem caused…

图像与视频处理 · 电气工程与系统科学 2022-04-19 Kecheng Chen , Jiayu Sun , Jiang Shen , Jixiang Luo , Xinyu Zhang , Xuelin Pan , Dongsheng Wu , Yue Zhao , Miguel Bento , Yazhou Ren , Xiaorong Pu

Convolutional blocks have played a crucial role in advancing medical image segmentation by excelling in dense prediction tasks. However, their inability to effectively capture long-range dependencies has limited their performance.…

图像与视频处理 · 电气工程与系统科学 2026-03-17 Siddhartha Mallick , Aayushman Ghosh , Jayanta Paul , Jaya Sil

Convolutional Neural Networks (CNNs) have advanced existing medical systems for automatic disease diagnosis. However, there are still concerns about the reliability of deep medical diagnosis systems against the potential threats of…

计算机视觉与模式识别 · 计算机科学 2023-03-21 Omid Nejati Manzari , Hamid Ahmadabadi , Hossein Kashiani , Shahriar B. Shokouhi , Ahmad Ayatollahi

Medical image segmentation plays an important role in computer-aided diagnosis. Existing methods mainly utilize spatial attention to highlight the region of interest. However, due to limitations of medical imaging devices, medical images…

计算机视觉与模式识别 · 计算机科学 2025-07-17 Jiaxuan Li , Qing Xu , Xiangjian He , Ziyu Liu , Daokun Zhang , Ruili Wang , Rong Qu , Guoping Qiu

Noise in low-dose computed tomography (LDCT) can obscure important diagnostic details. While deep learning offers powerful denoising, supervised methods require impractical paired data, and self-supervised alternatives often use opaque,…

图像与视频处理 · 电气工程与系统科学 2026-02-19 Yipeng Sun , Linda-Sophie Schneider , Siyuan Mei , Jinhua Wang , Ge Hu , Mingxuan Gu , Chengze Ye , Fabian Wagner , Lan Song , Siming Bayer , Andreas Maier

Low-Dose Computed Tomography (LDCT) technique, which reduces the radiation harm to human bodies, is now attracting increasing interest in the medical imaging field. As the image quality is degraded by low dose radiation, LDCT exams require…

图像与视频处理 · 电气工程与系统科学 2022-04-19 Liutao Yang , Zhongnian Li , Rongjun Ge , Junyong Zhao , Haipeng Si , Daoqiang Zhang

Transformers have emerged as viable alternatives to convolutional neural networks owing to their ability to learn non-local region relationships in the spatial domain. The self-attention mechanism of the transformer enables transformers to…

图像与视频处理 · 电气工程与系统科学 2023-08-09 Rahul G. S. , Sriprabha Ramnarayanan , Mohammad Al Fahim , Keerthi Ram , Preejith S. P , Mohanasankar Sivaprakasam

Image denoising is an important low-level computer vision task, which aims to reconstruct a noise-free and high-quality image from a noisy image. With the development of deep learning, convolutional neural network (CNN) has been gradually…

计算机视觉与模式识别 · 计算机科学 2022-05-17 Chao Yao , Shuo Jin , Meiqin Liu , Xiaojuan Ban

Recently, image restoration transformers have achieved comparable performance with previous state-of-the-art CNNs. However, how to efficiently leverage such architectures remains an open problem. In this work, we present Dual-former whose…

计算机视觉与模式识别 · 计算机科学 2022-10-04 Sixiang Chen , Tian Ye , Yun Liu , Erkang Chen

Low-dose computed tomography (LDCT) lower potential risks linked to radiation exposure while relying on advanced denoising algorithms to maintain diagnostic quality in reconstructed images. The reigning paradigm in LDCT denoising is based…

图像与视频处理 · 电气工程与系统科学 2024-12-17 Şaban Öztürk , Oğuz Can Duran , Tolga Çukur

Low-dose computed tomography (LDCT) has become the technology of choice for diagnostic medical imaging, given its lower radiation dose compared to standard CT, despite increasing image noise and potentially affecting diagnostic accuracy. To…

计算机视觉与模式识别 · 计算机科学 2024-04-30 Bin Wang , Fei Deng , Peifan Jiang , Shuang Wang , Xiao Han , Zhixuan Zhang

The explosive rise of the use of Computer tomography (CT) imaging in medical practice has heightened public concern over the patient's associated radiation dose. However, reducing the radiation dose leads to increased noise and artifacts,…

计算机视觉与模式识别 · 计算机科学 2021-07-06 Sutanu Bera , Prabir Kumar Biswas

Low-dose computed tomography (CT) images suffer from noise and artifacts due to photon starvation and electronic noise. Recently, some works have attempted to use diffusion models to address the over-smoothness and training instability…

图像与视频处理 · 电气工程与系统科学 2024-01-10 Qi Gao , Zilong Li , Junping Zhang , Yi Zhang , Hongming Shan

Recently, the transformer model has been successfully employed for the multi-view 3D reconstruction problem. However, challenges remain on designing an attention mechanism to explore the multiview features and exploit their relations for…

计算机视觉与模式识别 · 计算机科学 2023-01-18 Leslie Ching Ow Tiong , Dick Sigmund , Andrew Beng Jin Teoh
‹ 上一页 1 2 3 10 下一页 ›