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Region proposal mechanisms are essential for existing deep learning approaches to object detection in images. Although they can generally achieve a good detection performance under normal circumstances, their recall in a scene with extreme…

计算机视觉与模式识别 · 计算机科学 2019-05-28 Zehua Cheng , Yuxiang Wu , Zhenghua Xu , Thomas Lukasiewicz , Weiyang Wang

Unlike fully supervised semantic segmentation, weakly supervised semantic segmentation (WSSS) relies on weaker forms of supervision to perform dense prediction tasks. Among the various types of weak supervision, WSSS with image level…

计算机视觉与模式识别 · 计算机科学 2025-07-30 Zheyuan Zhang , Wang Zhang

Most state-of-the-art instance segmentation methods have to be trained on densely annotated images. While difficult in general, this requirement is especially daunting for biomedical images, where domain expertise is often required for…

计算机视觉与模式识别 · 计算机科学 2022-04-05 Adrian Wolny , Qin Yu , Constantin Pape , Anna Kreshuk

Image-level weakly-supervised semantic segmentation (WSSS) reduces the usually vast data annotation cost by surrogate segmentation masks during training. The typical approach involves training an image classification network using global…

计算机视觉与模式识别 · 计算机科学 2024-06-10 Arvi Jonnarth , Yushan Zhang , Michael Felsberg

Weakly-supervised object detection (WSOD) aims to train an object detector only requiring the image-level annotations. Recently, some works have managed to select the accurate boxes generated from a well-trained WSOD network to supervise a…

计算机视觉与模式识别 · 计算机科学 2022-07-26 Zitong Huang , Yiping Bao , Bowen Dong , Erjin Zhou , Wangmeng Zuo

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

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…

计算机视觉与模式识别 · 计算机科学 2020-02-05 Chenhao Lin , Siwen Wang , Dongqi Xu , Yu Lu , Wayne Zhang

The costly process of obtaining semantic segmentation labels has driven research towards weakly supervised semantic segmentation (WSSS) methods, using only image-level, point, or box labels. The lack of dense scene representation requires…

计算机视觉与模式识别 · 计算机科学 2021-06-29 Peri Akiva , Kristin Dana

Collecting large-scale medical datasets with fine-grained annotations is time-consuming and requires experts. For this reason, weakly supervised learning aims at optimising machine learning models using weaker forms of annotations, such as…

计算机视觉与模式识别 · 计算机科学 2021-08-27 Gabriele Valvano , Andrea Leo , Sotirios A. Tsaftaris

The vast majority of semantic segmentation approaches rely on pixel-level annotations that are tedious and time consuming to obtain and suffer from significant inter and intra-expert variability. To address these issues, recent approaches…

Accurate segmentation of organelle instances from electron microscopy (EM) images plays an essential role in many neuroscience researches. However, practical scenarios usually suffer from high annotation costs, label scarcity, and large…

计算机视觉与模式识别 · 计算机科学 2024-04-02 Dafei Qiu , Shan Xiong , Jiajin Yi , Jialin Peng

Weakly supervised video anomaly detection (WS-VAD) is to distinguish anomalies from normal events based on discriminative representations. Most existing works are limited in insufficient video representations. In this work, we develop a…

计算机视觉与模式识别 · 计算机科学 2021-04-06 Jia-Chang Feng , Fa-Ting Hong , Wei-Shi Zheng

Weakly supervised instance segmentation using only bounding box annotations has recently attracted much research attention. Most of the current efforts leverage low-level image features as extra supervision without explicitly exploiting the…

计算机视觉与模式识别 · 计算机科学 2023-03-16 Ruihuang Li , Chenhang He , Yabin Zhang , Shuai Li , Liyi Chen , Lei Zhang

Creating large, good quality labeled data has become one of the major bottlenecks for developing machine learning applications. Multiple techniques have been developed to either decrease the dependence of labeled data (zero/few-shot…

计算与语言 · 计算机科学 2023-02-08 Abhinav Bohra , Huy Nguyen , Devashish Khatwani

Most weakly supervised semantic segmentation (WSSS) methods follow the pipeline that generates pseudo-masks initially and trains the segmentation model with the pseudo-masks in fully supervised manner after. However, we find some matters…

计算机视觉与模式识别 · 计算机科学 2021-09-08 Yi Li , Zhanghui Kuang , Liyang Liu , Yimin Chen , Wayne Zhang

3D instance segmentation (3DIS) is a crucial task, but point-level annotations are tedious in fully supervised settings. Thus, using bounding boxes (bboxes) as annotations has shown great potential. The current mainstream approach is a…

计算机视觉与模式识别 · 计算机科学 2024-03-26 Jiahao Lu , Jiacheng Deng , Tianzhu Zhang

Text segmentation is a challenging vision task with many downstream applications. Current text segmentation methods require pixel-level annotations, which are expensive in the cost of human labor and limited in application scenarios. In…

计算机视觉与模式识别 · 计算机科学 2023-03-24 Xinyan Zu , Haiyang Yu , Bin Li , Xiangyang Xue

Accurate segmentation of Optical Coherence Tomography (OCT) images is crucial for diagnosing and monitoring retinal diseases. However, the labor-intensive nature of pixel-level annotation limits the scalability of supervised learning for…

计算机视觉与模式识别 · 计算机科学 2025-12-30 Jiaqi Yang , Nitish Mehta , Xiaoling Hu , Chao Chen , Chia-Ling Tsai

Whilst the availability of 3D LiDAR point cloud data has significantly grown in recent years, annotation remains expensive and time-consuming, leading to a demand for semi-supervised semantic segmentation methods with application domains…

计算机视觉与模式识别 · 计算机科学 2023-03-29 Li Li , Hubert P. H. Shum , Toby P. Breckon

In this paper, we study weakly-supervised laparoscopic image segmentation with sparse annotations. We introduce a novel Bayesian deep learning approach designed to enhance both the accuracy and interpretability of the model's segmentation,…

计算机视觉与模式识别 · 计算机科学 2024-10-14 Zhou Zheng , Yuichiro Hayashi , Masahiro Oda , Takayuki Kitasaka , Kensaku Mori