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In this work we present a novel solution for Video Instance Segmentation(VIS), that is automatically generating instance level segmentation masks along with object class and tracking them in a video. Our method improves the masks from…

计算机视觉与模式识别 · 计算机科学 2021-06-22 Vidit Goel , Jiachen Li , Shubhika Garg , Harsh Maheshwari , Humphrey Shi

We present a weakly supervised model that jointly performs both semantic- and instance-segmentation -- a particularly relevant problem given the substantial cost of obtaining pixel-perfect annotation for these tasks. In contrast to many…

计算机视觉与模式识别 · 计算机科学 2019-01-15 Qizhu Li , Anurag Arnab , Philip H. S. Torr

This paper presents a simple unsupervised visual representation learning method with a pretext task of discriminating all images in a dataset using a parametric, instance-level classifier. The overall framework is a replica of a supervised…

计算机视觉与模式识别 · 计算机科学 2021-02-10 Yu Liu , Lianghua Huang , Pan Pan , Bin Wang , Yinghui Xu , Rong Jin

Universal medical image segmentation seeks to use a single foundational model to handle diverse tasks across multiple imaging modalities. However, existing approaches often rely heavily on manual visual prompts or retrieved reference…

计算机视觉与模式识别 · 计算机科学 2026-03-19 Haoyun Chen , Fenghe Tang , Wenxin Ma , Shaohua Kevin Zhou

Pre-trained on a large and diverse dataset, the segment anything model (SAM) is the first promptable foundation model in computer vision aiming at object segmentation tasks. In this work, we evaluate SAM for the task of nuclear instance…

图像与视频处理 · 电气工程与系统科学 2024-01-26 Kesi Xu , Lea Goetz , Nasir Rajpoot

Single-stage instance segmentation approaches have recently gained popularity due to their speed and simplicity, but are still lagging behind in accuracy, compared to two-stage methods. We propose a fast single-stage instance segmentation…

计算机视觉与模式识别 · 计算机科学 2020-07-30 Jiale Cao , Rao Muhammad Anwer , Hisham Cholakkal , Fahad Shahbaz Khan , Yanwei Pang , Ling Shao

We present a new method for efficient high-quality image segmentation of objects and scenes. By analogizing classical computer graphics methods for efficient rendering with over- and undersampling challenges faced in pixel labeling tasks,…

计算机视觉与模式识别 · 计算机科学 2020-02-18 Alexander Kirillov , Yuxin Wu , Kaiming He , Ross Girshick

Detecting and segmenting novel object instances in open-world environments is a fundamental problem in robotic perception. Given only a small set of template images, a robot must locate and segment a specific object instance in a cluttered,…

计算机视觉与模式识别 · 计算机科学 2026-05-15 Qifan Zhang , Sai Haneesh Allu , Jikai Wang , Yangxiao Lu , Yu Xiang

This paper introduces a novel approach to 4D Panoptic LiDAR Segmentation that decouples semantic and instance segmentation, leveraging single-scan semantic predictions as prior information for instance segmentation. Our method D-PLS first…

计算机视觉与模式识别 · 计算机科学 2025-01-28 Maik Steinhauser , Laurenz Reichardt , Nikolas Ebert , Oliver Wasenmüller

The extraction of consensus segmentations from several binary or probabilistic masks is important to solve various tasks such as the analysis of inter-rater variability or the fusion of several neural network outputs. One of the most widely…

计算机视觉与模式识别 · 计算机科学 2023-10-11 Dimitri Hamzaoui , Sarah Montagne , Raphaële Renard-Penna , Nicholas Ayache , Hervé Delingette

Almost all existing amodal segmentation methods make the inferences of occluded regions by using features corresponding to the whole image. This is against the human's amodal perception, where human uses the visible part and the shape prior…

计算机视觉与模式识别 · 计算机科学 2020-12-22 Yuting Xiao , Yanyu Xu , Ziming Zhong , Weixin Luo , Jiawei Li , Shenghua Gao

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…

计算机视觉与模式识别 · 计算机科学 2021-04-09 Eric Upschulte , Stefan Harmeling , Katrin Amunts , Timo Dickscheid

One-shot image semantic segmentation poses a challenging task of recognizing the object regions from unseen categories with only one annotated example as supervision. In this paper, we propose a simple yet effective Similarity Guidance…

计算机视觉与模式识别 · 计算机科学 2020-05-13 Xiaolin Zhang , Yunchao Wei , Yi Yang , Thomas Huang

To date, instance segmentation is dominated by twostage methods, as pioneered by Mask R-CNN. In contrast, one-stage alternatives cannot compete with Mask R-CNN in mask AP, mainly due to the difficulty of compactly representing masks, making…

计算机视觉与模式识别 · 计算机科学 2020-05-07 Rufeng Zhang , Zhi Tian , Chunhua Shen , Mingyu You , Youliang Yan

Instance segmentation of surgical instruments is a long-standing research problem, crucial for the development of many applications for computer-assisted surgery. This problem is commonly tackled via fully-supervised training of deep…

计算机视觉与模式识别 · 计算机科学 2023-09-06 Luca Sestini , Benoit Rosa , Elena De Momi , Giancarlo Ferrigno , Nicolas Padoy

Undersampling is a common method in Magnetic Resonance Imaging (MRI) to subsample the number of data points in k-space, reducing acquisition times at the cost of decreased image quality. A popular approach is to employ undersampling…

图像与视频处理 · 电气工程与系统科学 2023-08-23 Tobias Weber , Michael Ingrisch , Bernd Bischl , David Rügamer

Video Semantic Segmentation (VSS) involves assigning a semantic label to each pixel in a video sequence. Prior work in this field has demonstrated promising results by extending image semantic segmentation models to exploit temporal…

计算机视觉与模式识别 · 计算机科学 2023-10-31 Yuetian Weng , Mingfei Han , Haoyu He , Mingjie Li , Lina Yao , Xiaojun Chang , Bohan Zhuang

With the proposal of the Segment Anything Model (SAM), fine-tuning SAM for medical image segmentation (MIS) has become popular. However, due to the large size of the SAM model and the significant domain gap between natural and medical…

计算机视觉与模式识别 · 计算机科学 2024-10-01 Jinfeng Wang , Sifan Song , Xinkun Wang , Yiyi Wang , Yiyi Miao , Jionglong Su , S. Kevin Zhou

Recent advancements in large foundation models have shown promising potential in the medical industry due to their flexible prompting capability. One such model, the Segment Anything Model (SAM), a prompt-driven segmentation model, has…

计算机视觉与模式识别 · 计算机科学 2023-08-16 Qi Wu , Yuyao Zhang , Marawan Elbatel

Promptable segmentation foundation models have emerged as a transformative approach to addressing the diverse needs in medical images, but most existing models require expensive computing, posing a big barrier to their adoption in clinical…

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