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Image instance segmentation is a fundamental research topic in autonomous driving, which is crucial for scene understanding and road safety. Advanced learning-based approaches often rely on the costly 2D mask annotations for training. In…

Computer Vision and Pattern Recognition · Computer Science 2023-01-20 Xiang Li , Junbo Yin , Botian Shi , Yikang Li , Ruigang Yang , Jianbing Shen

Nuclei instance segmentation is critical in computational pathology for cancer diagnosis and prognosis. Recently, the Segment Anything Model has demonstrated exceptional performance in various segmentation tasks, leveraging its rich priors…

Computer Vision and Pattern Recognition · Computer Science 2026-03-31 Jingze Su , Tianle Zhu , Jiaxin Cai , Zhiyi Wang , Qi Li , Xiao Zhang , Tong Tong , Shu Wang , Wenxi Liu

We introduce CellSegmenter, a structured deep generative model and an amortized inference framework for unsupervised representation learning and instance segmentation tasks. The proposed inference algorithm is convolutional and…

Computer Vision and Pattern Recognition · Computer Science 2020-11-26 Luca D'Alessio , Mehrtash Babadi

Accurate, noninvasive glioma characterization is crucial for effective clinical management. Traditional methods, dependent on invasive tissue sampling, often fail to capture the spatial heterogeneity of the tumor. While deep learning has…

Image and Video Processing · Electrical Eng. & Systems 2025-03-11 Somayeh Farahani , Marjaneh Hejazi , Antonio Di Ieva , Emad Fatemizadeh , Sidong Liu

This paper explores the segmentation of very small medical objects with significant clinical value. While Convolutional Neural Networks (CNNs), particularly UNet-like models, and recent Transformers have shown substantial progress in image…

Image and Video Processing · Electrical Eng. & Systems 2024-06-27 Lingjie Kong , Qiaoling Wei , Chengming Xu , Han Chen , Yanwei Fu

We present a conceptually simple framework for object instance segmentation called Contour Proposal Network (CPN), which detects possibly overlapping objects in an image while simultaneously fitting closed object contours using an…

Computer Vision and Pattern Recognition · Computer Science 2021-04-09 Eric Upschulte , Stefan Harmeling , Katrin Amunts , Timo Dickscheid

Instance segmentation is essential for numerous computer vision applications, including robotics, human-computer interaction, and autonomous driving. Currently, popular models bring impressive performance in instance segmentation by…

Computer Vision and Pattern Recognition · Computer Science 2025-09-09 Cuong Manh Hoang

Accurate segmentation and classification of nuclei in histology images is critical but challenging due to nuclei heterogeneity, staining variations, and tissue complexity. Existing methods often struggle with limited dataset variability,…

Image and Video Processing · Electrical Eng. & Systems 2025-01-22 Wenhua Zhang , Sen Yang , Meiwei Luo , Chuan He , Yuchen Li , Jun Zhang , Xiyue Wang , Fang Wang

We introduce the problem of weakly supervised Multi-Object Tracking and Segmentation, i.e. joint weakly supervised instance segmentation and multi-object tracking, in which we do not provide any kind of mask annotation. To address it, we…

Computer Vision and Pattern Recognition · Computer Science 2021-01-05 Idoia Ruiz , Lorenzo Porzi , Samuel Rota Bulò , Peter Kontschieder , Joan Serrat

Nuclei segmentation is a fundamental task that is critical for various computational pathology applications including nuclei morphology analysis, cell type classification, and cancer grading. Conventional vision-based methods for nuclei…

Computer Vision and Pattern Recognition · Computer Science 2018-10-23 Faisal Mahmood , Daniel Borders , Richard Chen , Gregory N. McKay , Kevan J. Salimian , Alexander Baras , Nicholas J. Durr

Instance segmentation is a core computer vision task with great practical significance. Recent advances, driven by large-scale benchmark datasets, have yielded good general-purpose Convolutional Neural Network (CNN)-based methods. Natural…

Computer Vision and Pattern Recognition · Computer Science 2024-10-11 Przemyslaw Polewski , Jacquelyn Shelton , Wei Yao , Marco Heurich

Nuclei appear small in size, yet, in real clinical practice, the global spatial information and correlation of the color or brightness contrast between nuclei and background, have been considered a crucial component for accurate nuclei…

Image and Video Processing · Electrical Eng. & Systems 2023-07-18 Zhenqi He , Mathias Unberath , Jing Ke , Yiqing Shen

A common approach for moving objects segmentation in a scene is to perform a background subtraction. Several methods have been proposed in this domain. However, they lack the ability of handling various difficult scenarios such as…

Computer Vision and Pattern Recognition · Computer Science 2018-08-06 Long Ang Lim , Hacer Yalim Keles

Purpose Medical imaging diagnosis faces challenges, including low-resolution images due to machine artifacts and patient movement. This paper presents the Frequency-Guided U-Net (GFNet), a novel approach for medical image segmentation that…

Image and Video Processing · Electrical Eng. & Systems 2024-05-03 Haytham Al Ewaidat , Youness El Brag , Ahmad Wajeeh Yousef E'layan , Ali Almakhadmeh

Accurate visual fault detection in freight trains remains a critical challenge for intelligent transportation system maintenance, due to complex operational environments, structurally repetitive components, and frequent occlusions or…

Computer Vision and Pattern Recognition · Computer Science 2026-03-16 Guodong Sun , Qihang Liang , Xingyu Pan , Moyun Liu , Yang Zhang

Although deep learning based methods have achieved great progress in unsupervised video object segmentation, difficult scenarios (e.g., visual similarity, occlusions, and appearance changing) are still not well-handled. To alleviate these…

Computer Vision and Pattern Recognition · Computer Science 2020-12-07 Daizong Liu , Dongdong Yu , Changhu Wang , Pan Zhou

The 3D weakly-supervised visual grounding task aims to localize oriented 3D boxes in point clouds based on natural language descriptions without requiring annotations to guide model learning. This setting presents two primary challenges:…

Computer Vision and Pattern Recognition · Computer Science 2025-05-06 Xiaoqi Li , Jiaming Liu , Nuowei Han , Liang Heng , Yandong Guo , Hao Dong , Yang Liu

We propose instance segmentation as a useful tool for image analysis in materials science. Instance segmentation is an advanced technique in computer vision which generates individual segmentation masks for every object of interest that is…

Materials Science · Physics 2021-01-06 Ryan Cohn , Iver Anderson , Tim Prost , Jordan Tiarks , Emma White , Elizabeth Holm

Box-supervised instance segmentation has recently attracted lots of research efforts while little attention is received in aerial image domain. In contrast to the general object collections, aerial objects have large intra-class variances…

Computer Vision and Pattern Recognition · Computer Science 2021-12-08 Wentong Li , Yijie Chen , Wenyu Liu , Jianke Zhu

We share our recent findings in an attempt to train a universal segmentation network for various cell types and imaging modalities. Our method was built on the generalized U-Net architecture, which allows the evaluation of each component…

Computer Vision and Pattern Recognition · Computer Science 2022-08-01 Tianqi Guo , Yin Wang , Luis Solorio , Jan P. Allebach