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Related papers: GAInS: Gradient Anomaly-aware Biomedical Instance …

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Instance segmentation is essential for applications such as automated monitoring of plant health, growth, and yield. However, extensive effort is required to create large-scale datasets with pixel-level annotations of each object instance…

Computer Vision and Pattern Recognition · Computer Science 2026-03-10 Keyhan Najafian , Farhad Maleki , Lingling Jin , Ian Stavness

Unsupervised anomaly detection is a challenging task in industrial applications since it is impracticable to collect sufficient anomalous samples. In this paper, a novel Self-Supervised Guided Segmentation Framework (SGSF) is proposed by…

Computer Vision and Pattern Recognition · Computer Science 2022-09-27 Peng Xing , Yanpeng Sun , Zechao Li

Automatic segmentation of breast tumors from the ultrasound images is essential for the subsequent clinical diagnosis and treatment plan. Although the existing deep learning-based methods have achieved significant progress in automatic…

Image and Video Processing · Electrical Eng. & Systems 2023-10-24 Xing Yang , Jian Zhang , Qijian Chen , Li Wang , Lihui Wang

We consider the problem of amodal instance segmentation, the objective of which is to predict the region encompassing both visible and occluded parts of each object. Thus far, the lack of publicly available amodal segmentation annotations…

Computer Vision and Pattern Recognition · Computer Science 2016-08-18 Ke Li , Jitendra Malik

Instance segmentation for unlabeled imaging modalities is a challenging but essential task as collecting expert annotation can be expensive and time-consuming. Existing works segment a new modality by either deploying a pre-trained model…

Computer Vision and Pattern Recognition · Computer Science 2022-04-08 Leander Lauenburg , Zudi Lin , Ruihan Zhang , Márcia dos Santos , Siyu Huang , Ignacio Arganda-Carreras , Edward S. Boyden , Hanspeter Pfister , Donglai Wei

Due to low tissue contrast, irregular object appearance, and unpredictable location variation, segmenting the objects from different medical imaging modalities (e.g., CT, MR) is considered as an important yet challenging task. In this…

Computer Vision and Pattern Recognition · Computer Science 2018-05-10 Jinquan Sun , Yinghuan Shi , Yang Gao , Lei Wang , Luping Zhou , Wanqi Yang , Dinggang Shen

Consistent surgical instrument segmentation is critical for automation in robot-assisted surgery. Yet, existing methods only treat instrument-level instance segmentation (IIS) or part-level semantic segmentation (PSS) separately, without…

Computer Vision and Pattern Recognition · Computer Science 2025-07-29 Meng Wei , Charlie Budd , Oluwatosin Alabi , Miaojing Shi , Tom Vercauteren

We study the task of semantic segmentation of surgical instruments in robotic-assisted surgery scenes. We propose the Instance-based Surgical Instrument Segmentation Network (ISINet), a method that addresses this task from an instance-based…

Computer Vision and Pattern Recognition · Computer Science 2020-07-14 Cristina González , Laura Bravo-Sánchez , Pablo Arbelaez

Recent advances in self-supervised learning (SSL) for point clouds have substantially improved 3D scene understanding without human annotations. Existing approaches emphasize semantic awareness by enforcing feature consistency across…

Computer Vision and Pattern Recognition · Computer Science 2026-04-01 Bin Yang , Mohamed Abdelsamad , Miao Zhang , Alexandru Paul Condurache

Recent advancements in biomedical image analysis have been significantly driven by the Segment Anything Model (SAM). This transformative technology, originally developed for general-purpose computer vision, has found rapid application in…

Computer Vision and Pattern Recognition · Computer Science 2024-01-17 Ho Hin Lee , Yu Gu , Theodore Zhao , Yanbo Xu , Jianwei Yang , Naoto Usuyama , Cliff Wong , Mu Wei , Bennett A. Landman , Yuankai Huo , Alberto Santamaria-Pang , Hoifung Poon

Segmentation is a fundamental problem in surgical scene analysis using artificial intelligence. However, the inherent data scarcity in this domain makes it challenging to adapt traditional segmentation techniques for this task. To tackle…

Computer Vision and Pattern Recognition · Computer Science 2023-08-08 Jay N. Paranjape , Nithin Gopalakrishnan Nair , Shameema Sikder , S. Swaroop Vedula , Vishal M. Patel

In recent years, convolutional neural networks for semantic segmentation of breast ultrasound (BUS) images have shown great success; however, two major challenges still exist. 1) Most current approaches inherently lack the ability to…

Image and Video Processing · Electrical Eng. & Systems 2024-03-26 Kyle Lucke , Aleksandar Vakanski , Min Xian

In depth-sensing applications ranging from home robotics to AR/VR, it will be common to acquire 3D scans of interior spaces repeatedly at sparse time intervals (e.g., as part of regular daily use). We propose an algorithm that analyzes…

Computer Vision and Pattern Recognition · Computer Science 2019-09-26 Maciej Halber , Yifei Shi , Kai Xu , Thomas Funkhouser

Multimodal MRI is essential for brain tumor segmentation, yet missing modalities in clinical practice cause existing methods to exhibit >40% performance variance across modality combinations, rendering them clinically unreliable. We propose…

Image and Video Processing · Electrical Eng. & Systems 2026-01-28 Chengxiang Guo , Jian Wang , Junhua Fei , Xiao Li , Chunling Chen , Yun Jin

In clinical practice, segmenting specific lesions based on the needs of physicians can significantly enhance diagnostic accuracy and treatment efficiency. However, conventional lesion segmentation models lack the flexibility to distinguish…

Computer Vision and Pattern Recognition · Computer Science 2025-04-22 Shuyi Ouyang , Jinyang Zhang , Xiangye Lin , Xilai Wang , Qingqing Chen , Yen-Wei Chen , Lanfen Lin

We propose a novel attention gate (AG) model for medical image analysis that automatically learns to focus on target structures of varying shapes and sizes. Models trained with AGs implicitly learn to suppress irrelevant regions in an input…

Computer Vision and Pattern Recognition · Computer Science 2019-01-23 Jo Schlemper , Ozan Oktay , Michiel Schaap , Mattias Heinrich , Bernhard Kainz , Ben Glocker , Daniel Rueckert

Medical Image Segmentation (MIS) plays a crucial role in medical therapy planning and robot navigation. Prototype learning methods in MIS focus on generating segmentation masks through pixel-to-prototype comparison. However, current…

Methodology · Statistics 2025-07-11 Guoyan Liang , Qin Zhou , Jingyuan Chen , Zhe Wang , Chang Yao

Self-supervised pre-training methods in medical imaging typically treat each individual as an isolated instance, learning representations through augmentation-based objectives or masked reconstruction. They often do not adequately…

Computer Vision and Pattern Recognition · Computer Science 2026-05-15 Tan Pan , Shuhao Mei , Yixuan Sun , Kaiyu Guo , Chen Jiang , Zhaorui Tan , Mengzhu Li , Limei Han , Xiang Zou , Yuan Cheng , Mahsa Baktashmotlagh

Depth completion aims at inferring a dense depth image from sparse depth measurement since glossy, transparent or distant surface cannot be scanned properly by the sensor. Most of existing methods directly interpolate the missing depth…

Computer Vision and Pattern Recognition · Computer Science 2021-05-31 Zhongzhen Luo , Fengjia Zhang , Guoyi Fu , Jiajie Xu

Purpose: Accurately classifying tissue margins during cancer surgeries is crucial for ensuring complete tumor removal. Rapid Evaporative Ionization Mass Spectrometry (REIMS), a tool for real-time intraoperative margin assessment, generates…