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We propose an approach for Open-World Instance Segmentation (OWIS), a task that aims to segment arbitrary unknown objects in images by generalizing from a limited set of annotated object classes during training. Our Segment Object System…

Computer Vision and Pattern Recognition · Computer Science 2024-09-24 Christian Wilms , Tim Rolff , Maris Hillemann , Robert Johanson , Simone Frintrop

Current closed-set instance segmentation models rely on pre-defined class labels for each mask during training and evaluation, largely limiting their ability to detect novel objects. Open-world instance segmentation (OWIS) models address…

Computer Vision and Pattern Recognition · Computer Science 2023-08-15 Muzhi Zhu , Hengtao Li , Hao Chen , Chengxiang Fan , Weian Mao , Chenchen Jing , Yifan Liu , Chunhua Shen

Existing video instance segmentation (VIS) approaches generally follow a closed-world assumption, where only seen category instances are identified and spatio-temporally segmented at inference. Open-world formulation relaxes the close-world…

Computer Vision and Pattern Recognition · Computer Science 2023-04-04 Omkar Thawakar , Sanath Narayan , Hisham Cholakkal , Rao Muhammad Anwer , Salman Khan , Jorma Laaksonen , Mubarak Shah , Fahad Shahbaz Khan

Many top-down architectures for instance segmentation achieve significant success when trained and tested on pre-defined closed-world taxonomy. However, when deployed in the open world, they exhibit notable bias towards seen classes and…

Computer Vision and Pattern Recognition · Computer Science 2024-05-15 Tarun Kalluri , Weiyao Wang , Heng Wang , Manmohan Chandraker , Lorenzo Torresani , Du Tran

Instance segmentation is a fundamental vision task that aims to recognize and segment each object in an image. However, it requires costly annotations such as bounding boxes and segmentation masks for learning. In this work, we propose a…

Computer Vision and Pattern Recognition · Computer Science 2022-04-26 Xinlong Wang , Zhiding Yu , Shalini De Mello , Jan Kautz , Anima Anandkumar , Chunhua Shen , Jose M. Alvarez

We present a semi-supervised method for panoptic segmentation based on ConsInstancy regularisation, a novel strategy for semi-supervised learning. It leverages completely unlabelled data by enforcing consistency between predicted instance…

Computer Vision and Pattern Recognition · Computer Science 2022-07-06 Max Coenen , Tobias Schack , Dries Beyer , Christian Heipke , Michael Haist

Methods for object detection and segmentation rely on large scale instance-level annotations for training, which are difficult and time-consuming to collect. Efforts to alleviate this look at varying degrees and quality of supervision.…

Computer Vision and Pattern Recognition · Computer Science 2021-03-05 Siddhesh Khandelwal , Raghav Goyal , Leonid Sigal

Conventional open-world object detection (OWOD) problem setting first distinguishes known and unknown classes and then later incrementally learns the unknown objects when introduced with labels in the subsequent tasks. However, the current…

Computer Vision and Pattern Recognition · Computer Science 2024-04-15 Sahal Shaji Mullappilly , Abhishek Singh Gehlot , Rao Muhammad Anwer , Fahad Shahbaz Khan , Hisham Cholakkal

Current 3D instance segmentation models generally use multi-stage methods to extract instance objects, including clustering, feature extraction, and post-processing processes. However, these multi-stage approaches rely on hyperparameter…

Computer Vision and Pattern Recognition · Computer Science 2023-03-14 Chuan Tang , Xi Yang

Video instance segmentation requires classifying, segmenting, and tracking every object across video frames. Unlike existing approaches that rely on masks, boxes, or category labels, we propose UVIS, a novel Unsupervised Video Instance…

Computer Vision and Pattern Recognition · Computer Science 2024-06-12 Shuaiyi Huang , Saksham Suri , Kamal Gupta , Sai Saketh Rambhatla , Ser-nam Lim , Abhinav Shrivastava

This paper tackles the task of semi-supervised video object segmentation, i.e., the separation of an object from the background in a video, given the mask of the first frame. We present One-Shot Video Object Segmentation (OSVOS), based on a…

Computer Vision and Pattern Recognition · Computer Science 2017-04-14 Sergi Caelles , Kevis-Kokitsi Maninis , Jordi Pont-Tuset , Laura Leal-Taixé , Daniel Cremers , Luc Van Gool

Safe navigation of self-driving cars and robots requires a precise understanding of their environment. Training data for perception systems cannot cover the wide variety of objects that may appear during deployment. Thus, reliable…

Computer Vision and Pattern Recognition · Computer Science 2025-04-11 Alexey Nekrasov , Rui Zhou , Miriam Ackermann , Alexander Hermans , Bastian Leibe , Matthias Rottmann

Unseen Object Instance Segmentation (UOIS) is crucial for autonomous robots operating in unstructured environments. Previous approaches require full supervision on large-scale tabletop datasets for effective pretraining. In this paper, we…

Robotics · Computer Science 2024-09-25 Rui Cao , Chuanxin Song , Biqi Yang , Jiangliu Wang , Pheng-Ann Heng , Yun-Hui Liu

Weakly supervised object detection (WSOD) using only image-level annotations has attracted growing attention over the past few years. Existing approaches using multiple instance learning easily fall into local optima, because such mechanism…

Computer Vision and Pattern Recognition · Computer Science 2020-02-05 Chenhao Lin , Siwen Wang , Dongqi Xu , Yu Lu , Wayne Zhang

This paper addresses the semantic instance segmentation task in the open-set conditions, where input images can contain known and unknown object classes. The training process of existing semantic instance segmentation methods requires…

Computer Vision and Pattern Recognition · Computer Science 2018-07-31 Trung Pham , Vijay Kumar B G , Thanh-Toan Do , Gustavo Carneiro , Ian Reid

Multi-instance video object segmentation is to segment specific instances throughout a video sequence in pixel level, given only an annotated first frame. In this paper, we implement an effective fully convolutional networks with U-Net…

Computer Vision and Pattern Recognition · Computer Science 2019-05-21 Heguang Liu , Jingle Jiang

Instance segmentation is a fundamental research in computer vision, especially in autonomous driving. However, manual mask annotation for instance segmentation is quite time-consuming and costly. To address this problem, some prior works…

Computer Vision and Pattern Recognition · Computer Science 2023-12-19 Guangfeng Jiang , Jun Liu , Yuzhi Wu , Wenlong Liao , Tao He , Pai Peng

Given an object mask, Semi-supervised Video Object Segmentation (SVOS) technique aims to track and segment the object across video frames, serving as a fundamental task in computer vision. Although recent memory-based methods demonstrate…

Computer Vision and Pattern Recognition · Computer Science 2025-07-28 Guanyi Qin , Ziyue Wang , Daiyun Shen , Haofeng Liu , Hantao Zhou , Junde Wu , Runze Hu , Yueming Jin

Existing instance segmentation models learn task-specific information using manual mask annotations from base (training) categories. These mask annotations require tremendous human effort, limiting the scalability to annotate novel (new)…

Computer Vision and Pattern Recognition · Computer Science 2023-03-30 Vibashan VS , Ning Yu , Chen Xing , Can Qin , Mingfei Gao , Juan Carlos Niebles , Vishal M. Patel , Ran Xu

Video object segmentation aims at accurately segmenting the target object regions across consecutive frames. It is technically challenging for coping with complicated factors (e.g., shape deformations, occlusion and out of the lens). Recent…

Computer Vision and Pattern Recognition · Computer Science 2019-07-03 Peng Sun , Peiwen Lin , Guangliang Cheng , Jianping Shi , Jiawan Zhang , Xi Li
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