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Layer segmentation is important to quantitative analysis of retinal optical coherence tomography (OCT). Recently, deep learning based methods have been developed to automate this task and yield remarkable performance. However, due to the…

Image and Video Processing · Electrical Eng. & Systems 2023-12-07 Hong Liu , Dong Wei , Donghuan Lu , Xiaoying Tang , Liansheng Wang , Yefeng Zheng

Optical coherence tomography angiography (OCTA) is an imaging technique that allows for non-invasive investigation of the microvasculature in the retina. OCTA uses laser light reflectance to measure moving blood cells. Hereby, it visualizes…

Tissues and Organs · Quantitative Biology 2020-02-11 Astrid M. E. Engberg , Vedrana A. Dahl , Anders B. Dahl

The objective of this paper is a model that is able to discover, track and segment multiple moving objects in a video. We make four contributions: First, we introduce an object-centric segmentation model with a depth-ordered layer…

Computer Vision and Pattern Recognition · Computer Science 2022-11-15 Junyu Xie , Weidi Xie , Andrew Zisserman

Optical Coherence Tomography(OCT) is a non-invasive technique capturing cross-sectional area of the retina in micro-meter resolutions. It has been widely used as a auxiliary imaging reference to detect eye-related pathology and predict…

Image and Video Processing · Electrical Eng. & Systems 2022-09-01 Shuo Chen , Da Ma , Sieun Lee , Timothy T. L. Yu , Gavin Xu , Donghuan Lu , Karteek Popuri , Myeong Jin Ju , Marinko V. Sarunic , Mirza Faisal Beg

The lack of efficient segmentation methods and fully-labeled datasets limits the comprehensive assessment of optical coherence tomography angiography (OCTA) microstructures like retinal vessel network (RVN) and foveal avascular zone (FAZ),…

Image and Video Processing · Electrical Eng. & Systems 2026-02-04 Peng Xiao , Xiaodong Hu , Ke Ma , Gengyuan Wang , Ziqing Feng , Yuancong Huang , Jin Yuan

Optical Coherence Tomography Angiography (OCTA) and its derived en-face projections provide high-resolution visualization of the retinal and choroidal vasculature, which is critical for the rapid and accurate diagnosis of retinal diseases.…

Computer Vision and Pattern Recognition · Computer Science 2025-09-10 Pooya Khosravi , Kun Han , Anthony T. Wu , Arghavan Rezvani , Zexin Feng , Xiaohui Xie

3D to 2D retinal vessel segmentation is a challenging problem in Optical Coherence Tomography Angiography (OCTA) images. Accurate retinal vessel segmentation is important for the diagnosis and prevention of ophthalmic diseases. However,…

Image and Video Processing · Electrical Eng. & Systems 2021-12-17 Zhuojie Wu , Zijian Wang , Wenxuan Zou , Fan Ji , Hao Dang , Wanting Zhou , Muyi Sun

The Segment Anything Model (SAM) emerges as a powerful vision foundation model to generate high-quality 2D segmentation results. This paper aims to generalize SAM to segment 3D objects. Rather than replicating the data acquisition and…

Computer Vision and Pattern Recognition · Computer Science 2024-04-17 Jiazhong Cen , Jiemin Fang , Zanwei Zhou , Chen Yang , Lingxi Xie , Xiaopeng Zhang , Wei Shen , Qi Tian

With the introduction of spectral-domain optical coherence tomography (OCT), much larger image datasets are routinely acquired compared to what was possible using the previous generation of time-domain OCT. Thus, the need for 3-D…

Computer Vision and Pattern Recognition · Computer Science 2012-05-03 Yankui Sun , Tian Zhang

The Segment Anything Model 2 (SAM 2) has emerged as a powerful foundation model for object segmentation in both images and videos, paving the way for various downstream video applications. The crucial design of SAM 2 for video segmentation…

Computer Vision and Pattern Recognition · Computer Science 2025-07-30 Shuangrui Ding , Rui Qian , Xiaoyi Dong , Pan Zhang , Yuhang Zang , Yuhang Cao , Yuwei Guo , Dahua Lin , Jiaqi Wang

We present CataractSAM-2, a domain-adapted extension of Meta's Segment Anything Model 2, designed for real-time semantic segmentation of cataract ophthalmic surgery videos with high accuracy. Positioned at the intersection of computer…

Autonomous-driving perception systems require robust Multi-Object Tracking (MOT) to operate reliably in dynamic environments. MOT maintains consistent object identities across frames while preserving spatial accuracy. Recent foundation…

Computer Vision and Pattern Recognition · Computer Science 2026-03-03 Diogo Mendonça , Tiago Barros , Cristiano Premebida , Urbano J. Nunes

Few-shot semantic segmentation has recently attracted great attention. The goal is to develop a model capable of segmenting unseen classes using only a few annotated samples. Most existing approaches adapt a pre-trained model by training…

Computer Vision and Pattern Recognition · Computer Science 2025-09-16 Bernardo Forni , Gabriele Lombardi , Federico Pozzi , Mirco Planamente

The development of 2D foundation models for image segmentation has been significantly advanced by the Segment Anything Model (SAM). However, achieving similar success in 3D models remains a challenge due to issues such as non-unified data…

Computer Vision and Pattern Recognition · Computer Science 2024-12-04 Yuchen Zhou , Jiayuan Gu , Tung Yen Chiang , Fanbo Xiang , Hao Su

Foundation models, such as OpenAI's GPT-3 and GPT-4, Meta's LLaMA, and Google's PaLM2, have revolutionized the field of artificial intelligence. A notable paradigm shift has been the advent of the Segment Anything Model (SAM), which has…

Computer Vision and Pattern Recognition · Computer Science 2023-08-11 Ruikai Cui , Siyuan He , Shi Qiu

Leveraging the Segment Anything Model (SAM) for medical image segmentation remains challenging due to its limited adaptability across diverse medical domains. Although fine-tuned variants, such as MedSAM, improve performance in scenarios…

Computer Vision and Pattern Recognition · Computer Science 2026-01-06 Jianghao Wu , Yicheng Wu , Yutong Xie , Wenjia Bai , You Zhang , Feilong Tang , Yulong Li , Imran Razzak , Daniel F Schmidt , Yasmeen George

Segment Anything Model (SAM) has gained significant attention because of its ability to segment various objects in images given a prompt. The recently developed SAM 2 has extended this ability to video inputs. This opens an opportunity to…

Computer Vision and Pattern Recognition · Computer Science 2024-08-23 Haoyu Dong , Hanxue Gu , Yaqian Chen , Jichen Yang , Yuwen Chen , Maciej A. Mazurowski

Referring video object segmentation (RVOS) requires tracking and segmenting an object throughout a video according to a given natural language expression, demanding both complex motion understanding and the alignment of visual…

Computer Vision and Pattern Recognition · Computer Science 2025-03-27 Seongchan Kim , Woojeong Jin , Sangbeom Lim , Heeji Yoon , Hyunwook Choi , Seungryong Kim

Optical coherence tomography angiography (OCTA) is a novel non-invasive imaging technique that allows visualizations of vasculature and foveal avascular zone (FAZ) across retinal layers. Clinical researches suggest that the morphology and…

Image and Video Processing · Electrical Eng. & Systems 2021-07-14 Li Lin , Zhonghua Wang , Jiewei Wu , Yijin Huang , Junyan Lyu , Pujin Cheng , Jiong Wu , Xiaoying Tang

Multi-class multi-instance segmentation is the task of identifying masks for multiple object classes and multiple instances of the same class within an image. The foundational Segment Anything Model (SAM) is designed for promptable…

Computer Vision and Pattern Recognition · Computer Science 2024-03-19 Mariia Khan , Yue Qiu , Yuren Cong , Jumana Abu-Khalaf , David Suter , Bodo Rosenhahn