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We present a new, embarrassingly simple approach to instance segmentation in images. Compared to many other dense prediction tasks, e.g., semantic segmentation, it is the arbitrary number of instances that have made instance segmentation…

Computer Vision and Pattern Recognition · Computer Science 2020-07-21 Xinlong Wang , Tao Kong , Chunhua Shen , Yuning Jiang , Lei Li

Video instance segmentation, also known as multi-object tracking and segmentation, is an emerging computer vision research area introduced in 2019, aiming at detecting, segmenting, and tracking instances in videos simultaneously. By…

Computer Vision and Pattern Recognition · Computer Science 2023-10-20 Chenhao Xu , Chang-Tsun Li , Yongjian Hu , Chee Peng Lim , Douglas Creighton

This paper proposes a novel algorithm for the problem of structural image segmentation through an interactive model-based approach. Interaction is expressed in the model creation, which is done according to user traces drawn over a given…

Computer Vision and Pattern Recognition · Computer Science 2008-05-16 Alexandre Noma , Ana B. V. Graciano , Luis Augusto Consularo , Roberto M. Cesar-Jr , Isabelle Bloch

Most 3D instance segmentation methods exploit a bottom-up strategy, typically including resource-exhaustive post-processing. For point grouping, bottom-up methods rely on prior assumptions about the objects in the form of hyperparameters,…

Computer Vision and Pattern Recognition · Computer Science 2023-09-13 Maksim Kolodiazhnyi , Anna Vorontsova , Anton Konushin , Danila Rukhovich

Semantic Scene Completion (SSC) has emerged as a pivotal approach for jointly learning scene geometry and semantics, enabling downstream applications such as navigation in mobile robotics. The recent generalization to Panoptic Scene…

Computer Vision and Pattern Recognition · Computer Science 2026-01-27 Markus Gross , Aya Fahmy , Danit Niwattananan , Dominik Muhle , Rui Song , Daniel Cremers , Henri Meeß

This paper considers a network referred to as SoftGroup for accurate and scalable 3D instance segmentation. Existing state-of-the-art methods produce hard semantic predictions followed by grouping instance segmentation results.…

Computer Vision and Pattern Recognition · Computer Science 2023-12-29 Thang Vu , Kookhoi Kim , Tung M. Luu , Thanh Nguyen , Junyeong Kim , Chang D. Yoo

The field of 4D point cloud understanding is rapidly developing with the goal of analyzing dynamic 3D point cloud sequences. However, it remains a challenging task due to the sparsity and lack of texture in point clouds. Moreover, the…

Computer Vision and Pattern Recognition · Computer Science 2023-12-13 Linglin Jing , Ying Xue , Xu Yan , Chaoda Zheng , Dong Wang , Ruimao Zhang , Zhigang Wang , Hui Fang , Bin Zhao , Zhen Li

This paper presents a method for automatic video object segmentation based on the fusion of motion stream, appearance stream, and instance-aware segmentation. The proposed scheme consists of a two-stream fusion network and an instance…

Computer Vision and Pattern Recognition · Computer Science 2019-12-04 Sungkwon Choo , Wonkyo Seo , Nam Ik Cho

Interactive segmentation uses real-time user inputs, such as mouse clicks, to iteratively refine model predictions. Although not originally designed to address distribution shifts, this paradigm naturally lends itself to such challenges. In…

Computer Vision and Pattern Recognition · Computer Science 2026-04-22 Wentian Xu , Ziyun Liang , Harry Anthony , Yasin Ibrahim , Felix Cohen , Guang Yang , Konstantinos Kamnitsas

Instance segmentation is one of the fundamental vision tasks. Recently, fully convolutional instance segmentation methods have drawn much attention as they are often simpler and more efficient than two-stage approaches like Mask R-CNN. To…

Computer Vision and Pattern Recognition · Computer Science 2020-04-28 Hao Chen , Kunyang Sun , Zhi Tian , Chunhua Shen , Yongming Huang , Youliang Yan

Instance segmentation in 3D is a challenging task due to the lack of large-scale annotated datasets. In this paper, we show that this task can be addressed effectively by leveraging instead 2D pre-trained models for instance segmentation.…

Computer Vision and Pattern Recognition · Computer Science 2023-12-05 Yash Bhalgat , Iro Laina , João F. Henriques , Andrew Zisserman , Andrea Vedaldi

Recently, instance segmentation has made great progress with the rapid development of deep neural networks. However, there still exist two main challenges including discovering indistinguishable objects and modeling the relationship between…

Computer Vision and Pattern Recognition · Computer Science 2023-04-19 Jinming Su , Ruihong Yin , Xingyue Chen , Junfeng Luo

Interactive segmentation algorithms based on click points have garnered significant attention from researchers in recent years. However, existing studies typically use sparse click maps as model inputs to segment specific target objects,…

Computer Vision and Pattern Recognition · Computer Science 2024-08-14 Long Xu , Shanghong Li , Yongquan Chen , Junkang Chen , Rui Huang , Feng Wu

Exploring dense matching between the current frame and past frames for long-range context modeling, memory-based methods have demonstrated impressive results in video object segmentation (VOS) recently. Nevertheless, due to the lack of…

Computer Vision and Pattern Recognition · Computer Science 2022-12-14 Junke Wang , Dongdong Chen , Zuxuan Wu , Chong Luo , Chuanxin Tang , Xiyang Dai , Yucheng Zhao , Yujia Xie , Lu Yuan , Yu-Gang Jiang

In this paper, we propose a novel joint instance and semantic segmentation approach, which is called JSNet, in order to address the instance and semantic segmentation of 3D point clouds simultaneously. Firstly, we build an effective…

Computer Vision and Pattern Recognition · Computer Science 2019-12-23 Lin Zhao , Wenbing Tao

Interactive segmentation entails a human marking an image to guide how a model either creates or edits a segmentation. Our work addresses limitations of existing methods: they either only support one gesture type for marking an image (e.g.,…

Computer Vision and Pattern Recognition · Computer Science 2023-12-07 Josh Myers-Dean , Yifei Fan , Brian Price , Wilson Chan , Danna Gurari

Instance segmentation aims to delineate each individual object of interest in an image. State-of-the-art approaches achieve this goal by either partitioning semantic segmentations or refining coarse representations of detected objects. In…

Computer Vision and Pattern Recognition · Computer Science 2022-10-10 Long Chen , Yuli Wu , Dorit Merhof

The goal of click-based interactive image segmentation is to obtain precise object segmentation masks with limited user interaction, i.e., by a minimal number of user clicks. Existing methods require users to provide all the clicks: by…

Computer Vision and Pattern Recognition · Computer Science 2022-07-28 Qin Liu , Meng Zheng , Benjamin Planche , Srikrishna Karanam , Terrence Chen , Marc Niethammer , Ziyan Wu

Video instance segmentation (VIS) aims at classifying, segmenting and tracking object instances in video sequences. Recent transformer-based neural networks have demonstrated their powerful capability of modeling spatio-temporal…

Computer Vision and Pattern Recognition · Computer Science 2022-07-13 Xiang Li , Jinglu Wang , Xiaohao Xu , Bhiksha Raj , Yan Lu

Egocentric videos present unique challenges for 3D scene understanding due to rapid camera motion, frequent object occlusions, and limited object visibility. This paper introduces a novel approach to instance segmentation and tracking in…

Computer Vision and Pattern Recognition · Computer Science 2024-11-21 Yash Bhalgat , Vadim Tschernezki , Iro Laina , João F. Henriques , Andrea Vedaldi , Andrew Zisserman