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Related papers: Instance Segmentation with Point Supervision

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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

In this work, we present a novel and effective framework to facilitate object detection with the instance-level segmentation information that is only supervised by bounding box annotation. Starting from the joint object detection and…

Computer Vision and Pattern Recognition · Computer Science 2018-03-28 Xiangyun Zhao , Shuang Liang , Yichen Wei

Pixelwise annotation of image sequences can be very tedious for humans. Interactive video object segmentation aims to utilize automatic methods to speed up the process and reduce the workload of the annotators. Most contemporary approaches…

Computer Vision and Pattern Recognition · Computer Science 2021-04-22 Viktor Varga , András Lőrincz

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

Pixel-wise segmentation is one of the most data and annotation hungry tasks in our field. Providing representative and accurate annotations is often mission-critical especially for challenging medical applications. In this paper, we propose…

Computer Vision and Pattern Recognition · Computer Science 2021-04-28 Simon Reiß , Constantin Seibold , Alexander Freytag , Erik Rodner , Rainer Stiefelhagen

Unsupervised instance segmentation aims to segment distinct object instances in an image without relying on human-labeled data. This field has recently seen significant advancements, partly due to the strong local correspondences afforded…

Computer Vision and Pattern Recognition · Computer Science 2024-09-30 Dylan Li , Gyungin Shin

Existing works on semantic segmentation typically consider a small number of labels, ranging from tens to a few hundreds. With a large number of labels, training and evaluation of such task become extremely challenging due to correlation…

Computer Vision and Pattern Recognition · Computer Science 2018-08-21 Yufei Wang , Zhe Lin , Xiaohui Shen , Jianming Zhang , Scott Cohen

In contrast to fully supervised methods using pixel-wise mask labels, box-supervised instance segmentation takes advantage of simple box annotations, which has recently attracted increasing research attention. This paper presents a novel…

Computer Vision and Pattern Recognition · Computer Science 2022-12-06 Wentong Li , Wenyu Liu , Jianke Zhu , Miaomiao Cui , Risheng Yu , Xiansheng Hua , Lei Zhang

We propose a novel algorithm for weakly supervised semantic segmentation based on image-level class labels only. In weakly supervised setting, it is commonly observed that trained model overly focuses on discriminative parts rather than the…

Computer Vision and Pattern Recognition · Computer Science 2018-01-09 Seunghoon Hong , Donghun Yeo , Suha Kwak , Honglak Lee , Bohyung Han

In recent years, instance segmentation has garnered significant attention across various applications. However, training a fully-supervised instance segmentation model requires costly both instance-level and pixel-level annotations. In…

Computer Vision and Pattern Recognition · Computer Science 2024-10-10 Yuchen Shen , Dong Zhang , Zhao Zhang , Liyong Fu , Qiaolin Ye

Recently, progress in acquisition equipment such as LiDAR sensors has enabled sensing increasingly spacious outdoor 3D environments. Making sense of such 3D acquisitions requires fine-grained scene understanding, such as constructing…

Computer Vision and Pattern Recognition · Computer Science 2024-08-30 Cedric Perauer , Laurenz Adrian Heidrich , Haifan Zhang , Matthias Nießner , Anastasiia Kornilova , Alexey Artemov

Instance segmentation of unknown objects from images is regarded as relevant for several robot skills including grasping, tracking and object sorting. Recent results in computer vision have shown that large hand-labeled datasets enable high…

Computer Vision and Pattern Recognition · Computer Science 2020-05-20 Andreas Eitel , Nico Hauff , Wolfram Burgard

Panoptic Segmentation aims to provide an understanding of background (stuff) and instances of objects (things) at a pixel level. It combines the separate tasks of semantic segmentation (pixel level classification) and instance segmentation…

Computer Vision and Pattern Recognition · Computer Science 2021-04-07 Sumanth Chennupati , Venkatraman Narayanan , Ganesh Sistu , Senthil Yogamani , Samir A Rawashdeh

A central challenge for the task of semantic segmentation is the prohibitive cost of obtaining dense pixel-level annotations to supervise model training. In this work, we show that in order to achieve a good level of segmentation…

Computer Vision and Pattern Recognition · Computer Science 2021-04-16 Gyungin Shin , Weidi Xie , Samuel Albanie

This paper investigates indoor point cloud semantic segmentation under scene-level annotation, which is less explored compared to methods relying on sparse point-level labels. In the absence of precise point-level labels, current methods…

Computer Vision and Pattern Recognition · Computer Science 2025-07-01 Lunhao Duan , Shanshan Zhao , Xingxing Weng , Jing Zhang , Gui-Song Xia

Point annotations are considerably more time-efficient than bounding box annotations. However, how to use cheap point annotations to boost the performance of semi-supervised object detection remains largely unsolved. In this work, we…

Computer Vision and Pattern Recognition · Computer Science 2022-10-25 Yongtao Ge , Qiang Zhou , Xinlong Wang , Zhibin Wang , Hao Li , Chunhua Shen

Although existing semantic segmentation approaches achieve impressive results, they still struggle to update their models incrementally as new categories are uncovered. Furthermore, pixel-by-pixel annotations are expensive and…

Computer Vision and Pattern Recognition · Computer Science 2022-04-04 Fabio Cermelli , Dario Fontanel , Antonio Tavera , Marco Ciccone , Barbara Caputo

The success of medical image segmentation usually requires a large number of high-quality labels. But since the labeling process is usually affected by the raters' varying skill levels and characteristics, the estimated masks provided by…

Computer Vision and Pattern Recognition · Computer Science 2024-10-22 Ming Li , Wei Shen , Qingli Li , Yan Wang

Instance Segmentation, which seeks to obtain both class and instance labels for each pixel in the input image, is a challenging task in computer vision. State-of-the-art algorithms often employ two separate stages, the first one generating…

Computer Vision and Pattern Recognition · Computer Science 2020-10-27 Jialin Yuan , Chao Chen , Li Fuxin

We present a bottom-up approach for the task of object instance segmentation using a single-shot model. The proposed model employs a fully convolutional network which is trained to predict class-wise segmentation masks as well as the…

Computer Vision and Pattern Recognition · Computer Science 2018-07-23 Jacob Richeimer , Jonathan Mitchell
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