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Accurate segmentation of anatomical structures in ultrasound (US) images, particularly small ones, is challenging due to noise and variability in imaging conditions (e.g., probe position, patient anatomy, tissue characteristics and…

Image and Video Processing · Electrical Eng. & Systems 2025-03-11 Danielle L. Ferreira , Ahana Gangopadhyay , Hsi-Ming Chang , Ravi Soni , Gopal Avinash

We address the problem of instance-level semantic segmentation, which aims at jointly detecting, segmenting and classifying every individual object in an image. In this context, existing methods typically propose candidate objects, usually…

Computer Vision and Pattern Recognition · Computer Science 2017-04-10 Zeeshan Hayder , Xuming He , Mathieu Salzmann

Magnetic Resonance Imaging (MRI) is pivotal in radiology, offering non-invasive and high-quality insights into the human body. Precise segmentation of MRIs into different organs and tissues would be highly beneficial since it would allow…

Detection of surgical instruments plays a key role in ensuring patient safety in minimally invasive surgery. In this paper, we present a novel method for 2D vision-based recognition and pose estimation of surgical instruments that…

Computer Vision and Pattern Recognition · Computer Science 2017-10-19 Thomas Kurmann , Pablo Marquez Neila , Xiaofei Du , Pascal Fua , Danail Stoyanov , Sebastian Wolf , Raphael Sznitman

Lesion segmentation is an important problem in computer-assisted diagnosis that remains challenging due to the prevalence of low contrast, irregular boundaries that are unamenable to shape priors. We introduce Deep Active Lesion…

Image and Video Processing · Electrical Eng. & Systems 2020-09-01 Ali Hatamizadeh , Assaf Hoogi , Debleena Sengupta , Wuyue Lu , Brian Wilcox , Daniel Rubin , Demetri Terzopoulos

Holistic surgical scene segmentation in robot-assisted surgery (RAS) enables surgical residents to identify various anatomical tissues, articulated tools, and critical structures, such as veins and vessels. Given the firm intraoperative…

Image and Video Processing · Electrical Eng. & Systems 2025-07-08 Fatimaelzahraa Ahmed , Muraam Abdel-Ghani , Muhammad Arsalan , Mahmoud Ali , Abdulaziz Al-Ali , Shidin Balakrishnan

The annotation of patient organs is a crucial part of various diagnostic and treatment procedures, such as radiotherapy planning. Manual annotation is extremely time-consuming, while its automation using modern image analysis techniques has…

Computer Vision and Pattern Recognition · Computer Science 2024-11-19 Leila Khaertdinova , Ilya Pershin , Tatiana Shmykova , Bulat Ibragimov

In laparoscopic and robotic surgery, precise tool instance segmentation is an essential technology for advanced computer-assisted interventions. Although publicly available procedures of routine surgeries exist, they often lack…

Computer Vision and Pattern Recognition · Computer Science 2025-06-05 Oluwatosin Alabi , Ko Ko Zayar Toe , Zijian Zhou , Charlie Budd , Nicholas Raison , Miaojing Shi , Tom Vercauteren

Medical image segmentation is a fundamental and critical step in many image-guided clinical approaches. Recent success of deep learning-based segmentation methods usually relies on a large amount of labeled data, which is particularly…

Computer Vision and Pattern Recognition · Computer Science 2023-11-15 Rushi Jiao , Yichi Zhang , Le Ding , Rong Cai , Jicong Zhang

One of the fundamental challenges in microscopy (MS) image analysis is instance segmentation (IS), particularly when segmenting cluster regions where multiple objects of varying sizes and shapes may be connected or even overlapped in…

Computer Vision and Pattern Recognition · Computer Science 2024-01-22 Jun Wang , Chengfeng Zhou , Zhaoyan Ming , Lina Wei , Xudong Jiang , Dahong Qian

Recognizing the sounding objects in scenes is a longstanding objective in embodied AI, with diverse applications in robotics and AR/VR/MR. To that end, Audio-Visual Segmentation (AVS), taking as condition an audio signal to identify the…

Computer Vision and Pattern Recognition · Computer Science 2025-10-22 Artem Sokolov , Swapnil Bhosale , Xiatian Zhu

3D part amodal segmentation--decomposing a 3D shape into complete, semantically meaningful parts, even when occluded--is a challenging but crucial task for 3D content creation and understanding. Existing 3D part segmentation methods only…

Computer Vision and Pattern Recognition · Computer Science 2025-04-11 Yunhan Yang , Yuan-Chen Guo , Yukun Huang , Zi-Xin Zou , Zhipeng Yu , Yangguang Li , Yan-Pei Cao , Xihui Liu

Accurate surgical instrument segmentation in endoscopy is crucial for computer-assisted interventions, yet remains challenging due to frequent occlusions, rapid motion, and long-term instrument re-entry. While SAM3 provides a powerful…

Computer Vision and Pattern Recognition · Computer Science 2026-03-10 Valay Bundele , Mehran Hosseinzadeh , Hendrik P. A. Lensch

In this work, we study amodal video instance segmentation for automated driving. Previous works perform amodal video instance segmentation relying on methods trained on entirely labeled video data with techniques borrowed from standard…

Computer Vision and Pattern Recognition · Computer Science 2024-09-24 Jasmin Breitenstein , Franz Jünger , Andreas Bär , Tim Fingscheidt

Prostate cancer represents a major threat to health. Early detection is vital in reducing the mortality rate among prostate cancer patients. One approach involves using multi-modality (CT, MRI, US, etc.) computer-aided diagnosis (CAD)…

Image and Video Processing · Electrical Eng. & Systems 2024-07-10 Rui Jin , Derun Li , Dehui Xiang , Lei Zhang , Hailing Zhou , Fei Shi , Weifang Zhu , Jing Cai , Tao Peng , Xinjian Chen

Segmenting object instances is a key task in machine perception, with safety-critical applications in robotics and autonomous driving. We introduce a novel approach to instance segmentation that jointly leverages measurements from multiple…

Computer Vision and Pattern Recognition · Computer Science 2022-10-18 Alex Zihao Zhu , Vincent Casser , Reza Mahjourian , Henrik Kretzschmar , Sören Pirk

Applying machine learning technologies, especially deep learning, into medical image segmentation is being widely studied because of its state-of-the-art performance and results. It can be a key step to provide a reliable basis for clinical…

Image and Video Processing · Electrical Eng. & Systems 2021-03-08 Ziyang Wang

The goal of this paper is to interactively refine the automatic segmentation on challenging structures that fall behind human performance, either due to the scarcity of available annotations or the difficulty nature of the problem itself,…

Computer Vision and Pattern Recognition · Computer Science 2022-10-28 Wentao Liu , Chaofan Ma , Yuhuan Yang , Weidi Xie , Ya Zhang

The recently released Segment Anything Model (SAM) has shown powerful zero-shot segmentation capabilities through a semi-automatic annotation setup in which the user can provide a prompt in the form of clicks or bounding boxes. There is…

Computer Vision and Pattern Recognition · Computer Science 2024-06-04 Benjamin Towle , Xin Chen , Ke Zhou

Segmentation of anatomical structures and pathologies is inherently ambiguous. For instance, structure borders may not be clearly visible or different experts may have different styles of annotating. The majority of current state-of-the-art…