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Related papers: Pointly-Supervised Instance Segmentation

200 papers

The semantic image segmentation task presents a trade-off between test time accuracy and training-time annotation cost. Detailed per-pixel annotations enable training accurate models but are very time-consuming to obtain, image-level class…

Computer Vision and Pattern Recognition · Computer Science 2016-07-26 Amy Bearman , Olga Russakovsky , Vittorio Ferrari , Li Fei-Fei

Current state of the art methods for generating semantic segmentation rely heavily on a large set of images that have each pixel labeled with a class of interest label or background. Coming up with such labels, especially in domains that…

Computer Vision and Pattern Recognition · Computer Science 2020-07-14 R. Austin McEver , B. S. Manjunath

Instance segmentation is an advanced form of image segmentation which, beyond traditional segmentation, requires identifying individual instances of repeating objects in a scene. Mask R-CNN is the most common architecture for instance…

Computer Vision and Pattern Recognition · Computer Science 2024-08-01 Jawad Haidar , Marc Mouawad , Imad Elhajj , Daniel Asmar

Collecting image annotations remains a significant burden when deploying CNN in a specific applicative context. This is especially the case when the annotation consists in binary masks covering object instances. Our work proposes to…

Computer Vision and Pattern Recognition · Computer Science 2022-05-25 Niels Sayez , Christophe De Vleeschouwer

Pixel-wise clean annotation is necessary for fully-supervised semantic segmentation, which is laborious and expensive to obtain. In this paper, we propose a weakly supervised 2D semantic segmentation model by incorporating sparse bounding…

Computer Vision and Pattern Recognition · Computer Science 2020-12-02 Weixuan Sun , Jing Zhang , Nick Barnes

Most instance segmentation models are not end-to-end trainable due to either the incorporation of proposal estimation (RPN) as a pre-processing or non-maximum suppression (NMS) as a post-processing. Here we propose a novel end-to-end…

Computer Vision and Pattern Recognition · Computer Science 2022-02-25 Kaining Ying , Zhenhua Wang , Cong Bai , Pengfei Zhou

Partially-supervised instance segmentation is a task which requests segmenting objects from novel unseen categories via learning on limited seen categories with annotated masks thus eliminating demands of heavy annotation burden. The key to…

Computer Vision and Pattern Recognition · Computer Science 2022-03-25 Xuehui Wang , Kai Zhao , Ruixin Zhang , Shouhong Ding , Yan Wang , Wei Shen

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

Weakly-supervised instance segmentation, which could greatly save labor and time cost of pixel mask annotation, has attracted increasing attention in recent years. The commonly used pipeline firstly utilizes conventional image segmentation…

Computer Vision and Pattern Recognition · Computer Science 2018-12-13 Shisha Liao , Yongqing Sun , Chenqiang Gao , Pranav Shenoy K P , Song Mu , Jun Shimamura , Atsushi Sagata

The two-stage methods for instance segmentation, e.g. Mask R-CNN, have achieved excellent performance recently. However, the segmented masks are still very coarse due to the downsampling operations in both the feature pyramid and the…

Computer Vision and Pattern Recognition · Computer Science 2021-04-20 Gang Zhang , Xin Lu , Jingru Tan , Jianmin Li , Zhaoxiang Zhang , Quanquan Li , Xiaolin Hu

We introduce a method for simultaneously classifying, segmenting and tracking object instances in a video sequence. Our method, named MaskProp, adapts the popular Mask R-CNN to video by adding a mask propagation branch that propagates…

Computer Vision and Pattern Recognition · Computer Science 2021-07-13 Gedas Bertasius , Lorenzo Torresani

Learning from bounding-boxes annotations has shown great potential in weakly-supervised 3D point cloud instance segmentation. However, we observed that existing methods would suffer severe performance degradation with perturbed bounding box…

Computer Vision and Pattern Recognition · Computer Science 2023-09-06 Qingtao Yu , Heming Du , Chen Liu , Xin Yu

The requirement of expensive annotations is a major burden for training a well-performed instance segmentation model. In this paper, we present an economic active learning setting, named active pointly-supervised instance segmentation…

Computer Vision and Pattern Recognition · Computer Science 2022-07-26 Chufeng Tang , Lingxi Xie , Gang Zhang , Xiaopeng Zhang , Qi Tian , Xiaolin Hu

Since the preparation of labeled data for training semantic segmentation networks of point clouds is a time-consuming process, weakly supervised approaches have been introduced to learn from only a small fraction of data. These methods are…

Computer Vision and Pattern Recognition · Computer Science 2022-09-16 Gengxin Liu , Oliver van Kaick , Hui Huang , Ruizhen Hu

Labeling pixel-wise object masks in videos is a resource-intensive and laborious process. Box-supervised Video Instance Segmentation (VIS) methods have emerged as a viable solution to mitigate the labor-intensive annotation process. . In…

Computer Vision and Pattern Recognition · Computer Science 2024-04-23 Zhangjing Yang , Dun Liu , Wensheng Cheng , Jinqiao Wang , Yi Wu

Due to the wide existence and large morphological variances of nuclei, accurate nuclei instance segmentation is still one of the most challenging tasks in computational pathology. The annotating of nuclei instances, requiring experienced…

Computer Vision and Pattern Recognition · Computer Science 2020-07-23 Xinpeng Xie , Jiawei Chen , Yuexiang Li , Linlin Shen , Kai Ma , Yefeng Zheng

Weakly supervised object detection (WSOD), where a detector is trained with only image-level annotations, is attracting more and more attention. As a method to obtain a well-performing detector, the detector and the instance labels are…

Computer Vision and Pattern Recognition · Computer Science 2019-08-13 Satoshi Kosugi , Toshihiko Yamasaki , Kiyoharu Aizawa

Pixel-level annotation demands expensive human efforts and limits the performance of deep networks that usually benefits from more such training data. In this work we aim to achieve high quality instance and semantic segmentation results…

Computer Vision and Pattern Recognition · Computer Science 2020-02-03 Chuang Niu , Shenghan Ren , Jimin Liang

Weakly supervised 3D instance segmentation is essential for 3D scene understanding, especially as the growing scale of data and high annotation costs associated with fully supervised approaches. Existing methods primarily rely on two forms…

Computer Vision and Pattern Recognition · Computer Science 2025-11-26 Xuexun Liu , Xiaoxu Xu , Qiudan Zhang , Lin Ma , Xu Wang

We propose a novel, conceptually simple and general framework for instance segmentation on 3D point clouds. Our method, called 3D-BoNet, follows the simple design philosophy of per-point multilayer perceptrons (MLPs). The framework directly…

Computer Vision and Pattern Recognition · Computer Science 2019-09-06 Bo Yang , Jianan Wang , Ronald Clark , Qingyong Hu , Sen Wang , Andrew Markham , Niki Trigoni