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Computer-aided segmentation methods can assist medical personnel in improving diagnostic outcomes. While recent advancements like UNet and its variants have shown promise, they face a critical challenge: balancing accuracy with…

图像与视频处理 · 电气工程与系统科学 2024-05-03 Abhijit Das , Debesh Jha , Vandan Gorade , Koushik Biswas , Hongyi Pan , Zheyuan Zhang , Daniela P. Ladner , Yury Velichko , Amir Borhani , Ulas Bagci

Recent non-local self-attention methods have proven to be effective in capturing long-range dependencies for semantic segmentation. These methods usually form a similarity map of RC*C (by compressing spatial dimensions) or RHW*HW (by…

计算机视觉与模式识别 · 计算机科学 2022-07-12 Qi Song , Jie Li , Chenghong Li , Hao Guo , Rui Huang

Semantic segmentation for medical 3D image stacks enables accurate volumetric reconstructions, computer-aided diagnostics and follow up treatment planning. In this work, we present a novel variant of the Unet model called the NUMSnet that…

图像与视频处理 · 电气工程与系统科学 2023-04-07 Sohini Roychowdhury

Manual or automatic delineation of the esophageal tumor in CT images is known to be very challenging. This is due to the low contrast between the tumor and adjacent tissues, the anatomical variation of the esophagus, as well as the…

In recent years, attention mechanisms have significantly enhanced the performance of object detection by focusing on key feature information. However, prevalent methods still encounter difficulties in effectively balancing local and global…

计算机视觉与模式识别 · 计算机科学 2024-11-15 Yifan Shao

Segmentation of organs of interest in medical CT images is beneficial for diagnosis of diseases. Though recent methods based on Fully Convolutional Neural Networks (F-CNNs) have shown success in many segmentation tasks, fusing features from…

人工智能 · 计算机科学 2024-05-10 Yanli Yuan , Bingbing Wang , Chuan Zhang , Jingyi Xu , Ximeng Liu , Liehuang Zhu

In this paper we propose a novel deep learning-based algorithm for biomedical image segmentation which uses a sequential attention mechanism able to shift the focus of attention across the image in a selective way, allowing subareas which…

计算机视觉与模式识别 · 计算机科学 2019-09-30 Shohei Hayashi , Bisser Raytchev , Toru Tamaki , Kazufumi Kaneda

Tumor volume segmentation on MRI is a challenging and time-consuming process that is performed manually in typical clinical settings. This work presents an approach to automated delineation of head and neck tumors on MRI scans, developed in…

图像与视频处理 · 电气工程与系统科学 2025-01-10 Andrei Iantsen

The quadratic compute and memory costs of global self-attention severely limit its use in high-resolution images. Local attention reduces complexity by restricting attention to neighborhoods. Block-sparse kernels can further improve the…

计算机视觉与模式识别 · 计算机科学 2026-02-13 Yunge Li , Lanyu Xu

Accurate segmentation of organs or lesions from medical images is crucial for reliable diagnosis of diseases and organ morphometry. In recent years, convolutional encoder-decoder solutions have achieved substantial progress in the field of…

图像与视频处理 · 电气工程与系统科学 2022-07-12 Bingzhi Chen , Yishu Liu , Zheng Zhang , Guangming Lu , Adams Wai Kin Kong

Breast ultrasound imaging is a valuable tool for early breast cancer detection, but automated tumor segmentation is challenging due to inherent noise, variations in scale of lesions, and fuzzy boundaries. To address these challenges, we…

图像与视频处理 · 电气工程与系统科学 2025-06-23 Muhammad Azeem Aslam , Asim Naveed , Nisar Ahmed

In this paper, we propose a residual non-local attention network for high-quality image restoration. Without considering the uneven distribution of information in the corrupted images, previous methods are restricted by local convolutional…

计算机视觉与模式识别 · 计算机科学 2019-03-26 Yulun Zhang , Kunpeng Li , Kai Li , Bineng Zhong , Yun Fu

3D point cloud segmentation has a wide range of applications in areas such as autonomous driving, augmented reality, virtual reality and digital twins. The point cloud data collected in real scenes often contain small objects and categories…

计算机视觉与模式识别 · 计算机科学 2025-11-18 Chade Li , Pengju Zhang , Jiaming Zhang , Yihong Wu

Semantic segmentation is an import task in the medical field to identify the exact extent and orientation of significant structures like organs and pathology. Deep neural networks can perform this task well by leveraging the information…

计算机视觉与模式识别 · 计算机科学 2019-09-18 Abhijeet Parida , Arianne Tran , Nassir Navab , Shadi Albarqouni

Nucleus image segmentation is a crucial step in the analysis, pathological diagnosis, and classification, which heavily relies on the quality of nucleus segmentation. However, the complexity of issues such as variations in nucleus size,…

图像与视频处理 · 电气工程与系统科学 2023-08-11 Junzhou Chen , Qian Huang , Yulin Chen , Linyi Qian , Chengyuan Yu

The accurate segmentation of organs-at-risk (OARs) in head and neck CT images is a critical step for radiation therapy of head and neck cancer patients. However, manual delineation for numerous OARs is time-consuming and laborious, even for…

图像与视频处理 · 电气工程与系统科学 2021-10-26 Shuai Wang , Theodore Yanagihara , Bhishamjit Chera , Colette Shen , Pew-Thian Yap , Jun Lian

Medical image segmentation underpins computer-aided diagnosis and therapy by supporting clinical diagnosis, preoperative planning, and disease monitoring. While U-Net style convolutional neural networks perform well due to their…

计算机视觉与模式识别 · 计算机科学 2025-11-19 Jun Ding , Shang Gao

Thoracic disease detection from chest radiographs using deep learning methods has been an active area of research in the last decade. Most previous methods attempt to focus on the diseased organs of the image by identifying spatial regions…

图像与视频处理 · 电气工程与系统科学 2022-10-07 Uday Kamal , Mohammad Zunaed , Nusrat Binta Nizam , Taufiq Hasan

Medical images used in clinical practice are heterogeneous and not the same quality as scans studied in academic research. Preprocessing breaks down in extreme cases when anatomy, artifacts, or imaging parameters are unusual or protocols…

图像与视频处理 · 电气工程与系统科学 2022-08-31 Mostafa Mehdipour Ghazi , Mads Nielsen

Background: Deep learning (DL)-based head and neck lymph node level (HN_LNL) autodelineation is of high relevance to radiotherapy research and clinical treatment planning but still underinvestigated in academic literature. Methods: An…