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Laparoscopic liver surgery poses a complex intraoperative dynamic environment for surgeons, where remains a significant challenge to distinguish critical or even hidden structures inside the liver. Liver anatomical landmarks, e.g., ridge…

Computer Vision and Pattern Recognition · Computer Science 2024-06-28 Jialun Pei , Ruize Cui , Yaoqian Li , Weixin Si , Jing Qin , Pheng-Ann Heng

Liver surface landmark detection is a fundamental prerequisite for anatomical guidance in laparoscopic liver surgery. However, it remains unreliable in practice due to two pervasive challenges: illumination attenuation in underexposed…

Computer Vision and Pattern Recognition · Computer Science 2026-05-27 Lanqing Liu , Ruize Cui , Jialun Pei , Diandian Guo , Tiffany Y. So , Pheng-Ann Heng , Jing Qin

Laparoscopic liver surgery, while minimally invasive, poses significant challenges in accurately identifying critical anatomical structures. Augmented reality (AR) systems, integrating MRI/CT with laparoscopic images based on 2D-3D…

Computer Vision and Pattern Recognition · Computer Science 2025-06-19 Qian Li , Feng Liu , Shuojue Yang , Daiyun Shen , Yueming Jin

Accurate three-dimensional delineation of liver tumors on contrast-enhanced CT is a prerequisite for treatment planning, navigation and response assessment, yet manual contouring is slow, observer-dependent and difficult to standardise…

Image and Video Processing · Electrical Eng. & Systems 2025-12-09 Xuecheng Li , Weikuan Jia , Komildzhon Sharipov , Alimov Ruslan , Lutfuloev Mazbutdzhon , Ismoilov Shuhratjon , Yuanjie Zheng

Although deep learning approaches have had tremendous success in image, video and audio processing, computer vision, and speech recognition, their applications to three-dimensional (3D) biomolecular structural data sets have been hindered…

Quantitative Methods · Quantitative Biology 2017-11-01 Zixuan Cang , Guo-Wei Wei

Image landmark detection aims to automatically identify the locations of predefined fiducial points. Despite recent success in this field, higher-ordered structural modeling to capture implicit or explicit relationships among anatomical…

Computer Vision and Pattern Recognition · Computer Science 2020-12-09 Weijian Li , Yuhang Lu , Kang Zheng , Haofu Liao , Chihung Lin , Jiebo Luo , Chi-Tung Cheng , Jing Xiao , Le Lu , Chang-Fu Kuo , Shun Miao

Landmark detection is a critical component of the image processing pipeline for automated aortic size measurements. Given that the thoracic aorta has a relatively conserved topology across the population and that a human annotator with…

Image and Video Processing · Electrical Eng. & Systems 2023-04-18 Zhangxing Bian , Jiayang Zhong , Yanglong Lu , Charles R. Hatt , Nicholas S. Burris

Automatic segmentation of liver lesions is a fundamental requirement towards the creation of computer aided diagnosis (CAD) and decision support systems (CDS). Traditional segmentation approaches depend heavily upon hand-crafted features…

Computer Vision and Pattern Recognition · Computer Science 2017-05-23 Lei Bi , Jinman Kim , Ashnil Kumar , Dagan Feng

Purpose: In laparoscopic liver surgery (LLS), pre-operative information can be overlaid onto the intra-operative scene by registering a 3D pre-operative model to the intra-operative partial surface reconstructed from the laparoscopic video.…

Computer Vision and Pattern Recognition · Computer Science 2022-11-08 Zixin Yang , Richard Simon , Cristian A. Linte

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…

Image and Video Processing · Electrical Eng. & Systems 2022-03-01 Xiangyu Meng , Xudong Zhang , Gan Wang , Ying Zhang , Xin Shi , Huanhuan Dai , Zixuan Wang , Xun Wang

Liver cancer is a leading cause of mortality worldwide, and accurate Computed Tomography (CT)-based tumor segmentation is essential for diagnosis and treatment. Manual delineation is time-intensive, prone to variability, and highlights the…

Machine Learning · Computer Science 2025-05-01 Hairong Wang , Lingchao Mao , Zihan Zhang , Jing Li

Liver registration by overlaying preoperative 3D models onto intraoperative 2D frames can assist surgeons in perceiving the spatial anatomy of the liver clearly for a higher surgical success rate. Existing registration methods rely heavily…

Computer Vision and Pattern Recognition · Computer Science 2025-04-22 Jun Zhou , Bingchen Gao , Kai Wang , Jialun Pei , Pheng-Ann Heng , Jing Qin

Accurate segmentation of tubular and curvilinear structures, such as blood vessels, neurons, and road networks, is crucial in various applications. A key challenge is ensuring topological correctness while maintaining computational…

Image and Video Processing · Electrical Eng. & Systems 2025-03-21 Siyi Wu , Leyi Zhao , Haotian Ma , Xinyuan Song

Medical image segmentation, which aims to automatically extract anatomical or pathological structures, plays a key role in computer-aided diagnosis and disease analysis. Despite the problem has been widely studied, existing methods are…

Image and Video Processing · Electrical Eng. & Systems 2022-03-01 Han Zhang , Lok Ming Lui

Integrating textual data with imaging in liver tumor segmentation is essential for enhancing diagnostic accuracy. However, current multi-modal medical datasets offer only general text annotations, lacking lesion-specific details critical…

Image and Video Processing · Electrical Eng. & Systems 2024-11-08 Xiaoyan Jiang , Zhi Zhou , Hailing Wang , Guozhong Wang , Zhijun Fang

Liver cancer is one of the leading causes of cancer death. To assist doctors in hepatocellular carcinoma diagnosis and treatment planning, an accurate and automatic liver and tumor segmentation method is highly demanded in the clinical…

Computer Vision and Pattern Recognition · Computer Science 2018-07-04 Xiaomeng Li , Hao Chen , Xiaojuan Qi , Qi Dou , Chi-Wing Fu , Pheng Ann Heng

We propose a computationally efficient architecture that learns to segment lesions from CT images of the liver. The proposed architecture uses bilinear interpolation with sub-pixel convolution at the last layer to upscale the course feature…

Computer Vision and Pattern Recognition · Computer Science 2018-05-24 Ram Krishna Pandey , Aswin Vasan , A G Ramakrishnan

This study proposed a deep learning-based tracking method for ultrasound (US) image-guided radiation therapy. The proposed cascade deep learning model is composed of an attention network, a mask region-based convolutional neural network…

Computer Vision and Pattern Recognition · Computer Science 2023-02-15 Yupei Zhang , Xianjin Dai , Zhen Tian , Yang Lei , Jacob F. Wynne , Pretesh Patel , Yue Chen , Tian Liu , Xiaofeng Yang

Precise and automated segmentation of the liver and its tumor within CT scans plays a pivotal role in swift diagnosis and the development of optimal treatment plans for individuals with liver diseases and malignancies. However, automated…

Computer Vision and Pattern Recognition · Computer Science 2025-07-29 Chandravardhan Singh Raghaw , Jasmer Singh Sanjotra , Mohammad Zia Ur Rehman , Shubhi Bansal , Shahid Shafi Dar , Nagendra Kumar

Automatic lymph node (LN) segmentation and detection for cancer staging are critical. In clinical practice, computed tomography (CT) and positron emission tomography (PET) imaging detect abnormal LNs. Despite its low contrast and variety in…

Image and Video Processing · Electrical Eng. & Systems 2022-12-23 Al-Akhir Nayan , Boonserm Kijsirikul , Yuji Iwahori
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