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Semi-supervised 3D medical image segmentation aims to achieve accurate segmentation using few labelled data and numerous unlabelled data. The main challenge in the design of semi-supervised learning methods consists in the effective use of…

计算机视觉与模式识别 · 计算机科学 2025-02-18 Yanyan Wang , Kechen Song , Yuyuan Liu , Shuai Ma , Yunhui Yan , Gustavo Carneiro

Producing densely annotated data is a difficult and tedious task for medical imaging applications. To address this problem, we propose a novel approach to generate supervision for semi-supervised semantic segmentation. We argue that…

图像与视频处理 · 电气工程与系统科学 2022-10-10 Constantin Seibold , Simon Reiß , Jens Kleesiek , Rainer Stiefelhagen

Weakly supervised point cloud semantic segmentation methods that require 1\% or fewer labels, hoping to realize almost the same performance as fully supervised approaches, which recently, have attracted extensive research attention. A…

计算机视觉与模式识别 · 计算机科学 2022-09-19 Tianfang Sun , Zhizhong Zhang , Xin Tan , Yanyun Qu , Yuan Xie , Lizhuang Ma

Deep co-training has recently been proposed as an effective approach for image segmentation when annotated data is scarce. In this paper, we improve existing approaches for semi-supervised segmentation with a self-paced and self-consistent…

计算机视觉与模式识别 · 计算机科学 2021-07-15 Ping Wang , Jizong Peng , Marco Pedersoli , Yuanfeng Zhou , Caiming Zhang , Christian Desrosiers

Instance segmentation methods often require costly per-pixel labels. We propose a method that only requires point-level annotations. During training, the model only has access to a single pixel label per object, yet the task is to output…

计算机视觉与模式识别 · 计算机科学 2019-06-18 Issam H. Laradji , Negar Rostamzadeh , Pedro O. Pinheiro , David Vazquez , Mark Schmidt

Research works on the two topics of Semantic Segmentation and SLAM (Simultaneous Localization and Mapping) have been following separate tracks. Here, we link them quite tightly by delineating a category label fusion technique that allows…

计算机视觉与模式识别 · 计算机科学 2015-11-16 Tommaso Cavallari , Luigi Di Stefano

Reducing the quantity of annotations required for supervised training is vital when labels are scarce and costly. This reduction is especially important for semantic segmentation tasks involving 3D datasets that are often significantly…

计算机视觉与模式识别 · 计算机科学 2022-12-20 Andrej Janda , Brandon Wagstaff , Edwin G. Ng , Jonathan Kelly

Semantic segmentation is an important and popular research area in computer vision that focuses on classifying pixels in an image based on their semantics. However, supervised deep learning requires large amounts of data to train models and…

计算机视觉与模式识别 · 计算机科学 2025-03-19 Lingyan Ran , Yali Li , Guoqiang Liang , Yanning Zhang

Scene understanding is a prerequisite to many high level tasks for any automated intelligent machine operating in real world environments. Recent attempts with supervised learning have shown promise in this direction but also highlighted…

计算机视觉与模式识别 · 计算机科学 2015-11-30 Ankur Handa , Viorica Patraucean , Vijay Badrinarayanan , Simon Stent , Roberto Cipolla

Learning semantic segmentation models under image-level supervision is far more challenging than under fully supervised setting. Without knowing the exact pixel-label correspondence, most weakly-supervised methods rely on external models to…

计算机视觉与模式识别 · 计算机科学 2018-10-17 Zi-Yi Ke , Chiou-Ting Hsu

Existing semantic segmentation approaches either aim to improve the object's inner consistency by modeling the global context, or refine objects detail along their boundaries by multi-scale feature fusion. In this paper, a new paradigm for…

计算机视觉与模式识别 · 计算机科学 2020-08-19 Xiangtai Li , Xia Li , Li Zhang , Guangliang Cheng , Jianping Shi , Zhouchen Lin , Shaohua Tan , Yunhai Tong

We propose a fully automatic annotation scheme that takes a raw 3D point cloud with a set of fitted CAD models as input and outputs convincing point-wise labels that can be used as cheap training data for point cloud segmentation. Compared…

计算机视觉与模式识别 · 计算机科学 2023-07-26 Galadrielle Humblot-Renaux , Simon Buus Jensen , Andreas Møgelmose

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…

计算机视觉与模式识别 · 计算机科学 2021-04-16 Gyungin Shin , Weidi Xie , Samuel Albanie

The deficiency of segmentation labels is one of the main obstacles to semantic segmentation in the wild. To alleviate this issue, we present a novel framework that generates segmentation labels of images given their image-level class…

计算机视觉与模式识别 · 计算机科学 2018-04-10 Jiwoon Ahn , Suha Kwak

The ability to endow maps of indoor scenes with semantic information is an integral part of robotic agents which perform different tasks such as target driven navigation, object search or object rearrangement. The state-of-the-art methods…

计算机视觉与模式识别 · 计算机科学 2022-10-06 Sulabh Shrestha , Yimeng Li , Jana Kosecka

LiDAR-based 3D object detection and semantic segmentation are critical tasks in 3D scene understanding. Traditional detection and segmentation methods supervise their models through bounding box labels and semantic mask labels. However,…

计算机视觉与模式识别 · 计算机科学 2025-03-24 Maoji Zheng , Ziyu Xu , Qiming Xia , Hai Wu , Chenglu Wen , Cheng Wang

During the last half decade, convolutional neural networks (CNNs) have triumphed over semantic segmentation, which is one of the core tasks in many applications such as autonomous driving and augmented reality. However, to train CNNs…

计算机视觉与模式识别 · 计算机科学 2019-01-11 Yang Zhang , Philip David , Hassan Foroosh , Boqing Gong

Semantic segmentation is a crucial step in many Earth observation tasks. Large quantity of pixel-level annotation is required to train deep networks for semantic segmentation. Earth observation techniques are applied to varieties of…

计算机视觉与模式识别 · 计算机科学 2021-08-11 Sudipan Saha , Lichao Mou , Muhammad Shahzad , Xiao Xiang Zhu

Models based on deep convolutional neural networks (CNN) have significantly improved the performance of semantic segmentation. However, learning these models requires a large amount of training images with pixel-level labels, which are very…

计算机视觉与模式识别 · 计算机科学 2018-02-05 Linwei Ye , Zhi Liu , Yang Wang

Scene understanding plays a critical role in enabling intelligence and autonomy in robotic systems. Traditional approaches often face challenges, including occlusions, ambiguous boundaries, and the inability to adapt attention based on…

计算机视觉与模式识别 · 计算机科学 2026-03-10 Guodong Sun , Junjie Liu , Gaoyang Zhang , Bo Wu , Yang Zhang