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It is critically important to detect the content of liver fat as it is related to cardiac complications and cardiovascular disease mortality. However, existing methods are either associated with high cost and/or medical complications (e.g.,…

图像与视频处理 · 电气工程与系统科学 2024-06-03 Qiyue Wang , Wu Xue , Xiaoke Zhang , Fang Jin , James Hahn

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

Deep learning technologies such as convolutional neural networks (CNN) provide powerful methods for image recognition and have recently been employed in the field of automated carcinoma detection in confocal laser endomicroscopy (CLE)…

Medical ultrasound (US) imaging is a frontline tool for the diagnosis of kidney diseases. However, traditional freehand imaging procedure suffers from inconsistent, operator-dependent outcomes, lack of 3D localization information, and risks…

机器人学 · 计算机科学 2026-02-19 Xihan Ma , Haichong Zhang

This work introduced a stack-of-radial multi-echo asymmetric-echo MRI sequence for free-breathing liver volumetric acquisition. Regularized model-based reconstruction was implemented in Berkeley Advanced Reconstruction Toolbox (BART) to…

The Coronavirus Disease 2019 (COVID-19) pandemic has impacted many aspects of life globally, and a critical factor in mitigating its effects is screening individuals for infections, thereby allowing for both proper treatment for those…

图像与视频处理 · 电气工程与系统科学 2021-08-09 Alexander MacLean , Saad Abbasi , Ashkan Ebadi , Andy Zhao , Maya Pavlova , Hayden Gunraj , Pengcheng Xi , Sonny Kohli , Alexander Wong

Rectal cancer segmentation of CT image plays a crucial role in timely clinical diagnosis, radiotherapy treatment, and follow-up. Although current segmentation methods have shown promise in delineating cancerous tissues, they still encounter…

图像与视频处理 · 电气工程与系统科学 2023-08-17 Hantao Zhang , Weidong Guo , Chenyang Qiu , Shouhong Wan , Bingbing Zou , Wanqin Wang , Peiquan Jin

Liver cancer is one of the most common malignant diseases in the world. Segmentation and labeling of liver tumors and blood vessels in CT images can provide convenience for doctors in liver tumor diagnosis and surgical intervention. In the…

图像与视频处理 · 电气工程与系统科学 2022-03-01 Xiangyu Meng , Xudong Zhang , Gan Wang , Ying Zhang , Xin Shi , Huanhuan Dai , Zixuan Wang , Xun Wang

Electrical Impedance Tomography (EIT) is a functional imaging method that is being developed for bedside use in critical care medicine. Aiming at improving the chest anatomical resolution of EIT images we developed a fuzzy model based on…

Accurate image segmentation of the liver is a challenging problem owing to its large shape variability and unclear boundaries. Although the applications of fully convolutional neural networks (CNNs) have shown groundbreaking results,…

计算机视觉与模式识别 · 计算机科学 2021-01-26 Minyoung Chung , Jingyu Lee , Jeongjin Lee , Yeong-Gil Shin

Molecularly targeted contrast enhanced ultrasound (mCEUS) is a clinically promising approach for early cancer detection through targeted imaging of VEGFR2 (KDR) receptors. We have developed computational enhancement techniques for mCEUS…

图像与视频处理 · 电气工程与系统科学 2020-06-23 Andrew A. Berlin , Mon Young , Ahmed El Kaffas , Sam Gambhir , Amelie Lutz , Maria Luigia Storto , Juergen Willmann

Audio-visual speech enhancement (AV-SE) aims to enhance degraded speech along with extra visual information such as lip videos, and has been shown to be more effective than audio-only speech enhancement. This paper proposes further…

音频与语音处理 · 电气工程与系统科学 2023-11-21 Rui-Chen Zheng , Yang Ai , Zhen-Hua Ling

Liver cirrhosis is an insidious condition involving the substitution of normal liver tissue with fibrous scar tissue and causing major health complications. The conventional method of diagnosis using liver biopsy is invasive and, therefore,…

计算机视觉与模式识别 · 计算机科学 2025-04-29 Kapil Kashyap , Sean Fargose , Chrisil Dabre , Fatema Dolaria , Nilesh Patil , Aniket Kore

Multiple reflections between transducer and imaged object can naturally occur in ultrasound imaging and other acoustic sensing applications such as sonar. The repeated interaction of the emitted wavefront with the imaged object is…

应用物理 · 物理学 2021-06-17 Urs A. T. Hofmann , Sergio Pérez-López , Héctor Estrada , Daniel Razansky

3D ultrasound (US) imaging has shown significant benefits in enhancing the outcomes of percutaneous liver tumour ablation. Its clinical integration is crucial for transitioning 3D US into the therapeutic domain. However, challenges of…

图像与视频处理 · 电气工程与系统科学 2025-06-27 Shuwei Xing , Derek W. Cool , David Tessier , Elvis C. S. Chen , Terry M. Peters , Aaron Fenster

An alternative approach to ultrasound computed tomography (USCT) for medical imaging is proposed, with the intent to (i) shorten acquisition time for devices with a large number of emitters, (ii) eliminate the calibration step, and (iii)…

医学物理 · 物理学 2022-01-25 Ines Elisa Ulrich , Christian Boehm , Andrea Zunino , Cyrill Bösch , Andreas Fichtner

With the success of deep learning-based methods applied in medical image analysis, convolutional neural networks (CNNs) have been investigated for classifying liver disease from ultrasound (US) data. However, the scarcity of available…

图像与视频处理 · 电气工程与系统科学 2021-12-21 Hui Che , Sumana Ramanathan , David Foran , John L Nosher , Vishal M Patel , Ilker Hacihaliloglu

Ultrasound is fast becoming an inevitable diagnostic tool for regular and continuous monitoring of the lung with the recent outbreak of COVID-19. In this work, a novel approach is presented to extract acoustic propagation-based features to…

图像与视频处理 · 电气工程与系统科学 2021-06-15 Mahesh Raveendranatha Panicker , Yale Tung Chen , Gayathri M , Madhavanunni A N , Kiran Vishnu Narayan , C Kesavadas , A P Vinod

Ultrasound (US) is the most commonly used liver imaging modality worldwide. Due to its low cost, it is increasingly used in the follow-up of cancer patients with metastases localized in the liver. In this contribution, we present the…

计算机视觉与模式识别 · 计算机科学 2017-04-19 Jan Egger , Dieter Schmalstieg , Xiaojun Chen , Wolfram G. Zoller , Alexander Hann

Breast ultrasound (BUS) image segmentation plays a crucial role in a computer-aided diagnosis system, which is regarded as a useful tool to help increase the accuracy of breast cancer diagnosis. Recently, many deep learning methods have…

图像与视频处理 · 电气工程与系统科学 2020-03-24 Zhenyuan Ning , Ke Wang , Shengzhou Zhong , Qianjin Feng , Yu Zhang