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352 Results Found

  • Article
  • Open Access
5 Citations
6,209 Views
20 Pages

Weakly-Supervised Image Semantic Segmentation Based on Superpixel Region Merging

  • Quanchun Jiang,
  • Olamide Timothy Tawose,
  • Songwen Pei,
  • Xiaodong Chen,
  • Linhua Jiang,
  • Jiayao Wang and
  • Dongfang Zhao

In this paper, we propose a semantic segmentation method based on superpixel region merging and convolutional neural network (CNN), referred to as regional merging neural network (RMNN). Image annotation has always been an important role in weakly-su...

  • Article
  • Open Access
2 Citations
2,430 Views
18 Pages

16 May 2025

Patient-reported health data, especially patient-reported outcomes measures, are vital for improving clinical care but are often limited by memory bias, cognitive load, and inflexible questionnaires. Patients prefer conversational symptom reporting,...

  • Article
  • Open Access
7 Citations
3,004 Views
17 Pages

5 March 2023

Against the background of the ongoing atmospheric warming, the glacial lakes that are nourished and expanded in High Mountain Asia pose growing risks of glacial lake outburst floods (GLOFs) hazards and increasing threats to the downstream areas. Effe...

  • Article
  • Open Access
22 Citations
5,918 Views
24 Pages

Robust Semi-Supervised Traffic Sign Recognition via Self-Training and Weakly-Supervised Learning

  • Obed Tettey Nartey,
  • Guowu Yang,
  • Sarpong Kwadwo Asare,
  • Jinzhao Wu and
  • Lady Nadia Frempong

8 May 2020

Traffic sign recognition is a classification problem that poses challenges for computer vision and machine learning algorithms. Although both computer vision and machine learning techniques have constantly been improved to solve this problem, the sud...

  • Article
  • Open Access
8 Citations
4,082 Views
22 Pages

9 January 2021

Detection of traversable areas is essential to navigation of autonomous personal mobility systems in unknown pedestrian environments. However, traffic rules may recommend or require driving in specified areas, such as sidewalks, in environments where...

  • Article
  • Open Access
23 Citations
9,199 Views
14 Pages

26 October 2021

Invasive ductal carcinoma (IDC) is the most common form of breast cancer. For the non-operative diagnosis of breast carcinoma, core needle biopsy has been widely used in recent years for the evaluation of histopathological features, as it can provide...

  • Article
  • Open Access
10 Citations
3,582 Views
11 Pages

A Weakly-Supervised Named Entity Recognition Machine Learning Approach for Emergency Medical Services Clinical Audit

  • Han Wang,
  • Wesley Lok Kin Yeung,
  • Qin Xiang Ng,
  • Angeline Tung,
  • Joey Ai Meng Tay,
  • Davin Ryanputra,
  • Marcus Eng Hock Ong,
  • Mengling Feng and
  • Shalini Arulanandam

Clinical performance audits are routinely performed in Emergency Medical Services (EMS) to ensure adherence to treatment protocols, to identify individual areas of weakness for remediation, and to discover systemic deficiencies to guide the developme...

  • Article
  • Open Access
6 Citations
3,366 Views
14 Pages

Weakly-Supervised Video Anomaly Detection with MTDA-Net

  • Huixin Wu,
  • Mengfan Yang,
  • Fupeng Wei,
  • Ge Shi,
  • Wei Jiang,
  • Yaqiong Qiao and
  • Hangcheng Dong

12 November 2023

Weakly supervised anomalous behavior detection is a popular area at present. Compared to semi-supervised anomalous behavior detection, weakly-supervised learning both eliminates the need to crop videos and solves the problem of semi-supervised learni...

  • Article
  • Open Access
55 Views
27 Pages

11 February 2026

Shadow removal aims to restore photometric, chromatic, and structural consistency between shadowed and non-shadowed image regions. Although weakly supervised shadow removal methods reduce the reliance on densely paired training data, they still strug...

  • Feature Paper
  • Article
  • Open Access
27 Citations
6,624 Views
11 Pages

Weakly-Supervised Classification of HER2 Expression in Breast Cancer Haematoxylin and Eosin Stained Slides

  • Sara P. Oliveira,
  • João Ribeiro Pinto,
  • Tiago Gonçalves,
  • Rita Canas-Marques,
  • Maria-João Cardoso,
  • Hélder P. Oliveira and
  • Jaime S. Cardoso

9 July 2020

Human epidermal growth factor receptor 2 (HER2) evaluation commonly requires immunohistochemistry (IHC) tests on breast cancer tissue, in addition to the standard haematoxylin and eosin (H&E) staining tests. Additional costs and time spent on fur...

  • Article
  • Open Access
6 Citations
4,934 Views
15 Pages

Personality Trait Analysis in Social Networks Based on Weakly Supervised Learning of Shared Images

  • Pau Rodríguez,
  • Diego Velazquez,
  • Guillem Cucurull,
  • Josep M. Gonfaus,
  • F. Xavier Roca,
  • Seiichi Ozawa and
  • Jordi Gonzàlez

18 November 2020

Social networks have attracted the attention of psychologists, as the behavior of users can be used to assess personality traits, and to detect sentiments and critical mental situations such as depression or suicidal tendencies. Recently, the increas...

  • Article
  • Open Access
3 Citations
2,865 Views
13 Pages

4 May 2018

Objects in images are characterized by intra-class variation, inter-class diversity, and noisy images. These characteristics pose a challenge to object localization. To address this issue, we present a novel joint Bayesian model for weakly-supervised...

  • Article
  • Open Access
18 Citations
3,576 Views
25 Pages

CNN-ViT Supported Weakly-Supervised Video Segment Level Anomaly Detection

  • Md. Haidar Sharif,
  • Lei Jiao and
  • Christian W. Omlin

7 September 2023

Video anomaly event detection (VAED) is one of the key technologies in computer vision for smart surveillance systems. With the advent of deep learning, contemporary advances in VAED have achieved substantial success. Recently, weakly supervised VAED...

  • Article
  • Open Access
21 Citations
4,099 Views
17 Pages

12 May 2022

The total boll count from a plant is one of the most important phenotypic traits for cotton breeding and is also an important factor for growers to estimate the final yield. With the recent advances in deep learning, many supervised learning approach...

  • Article
  • Open Access
17 Citations
4,001 Views
14 Pages

Semantic Segmentation of Metoceanic Processes Using SAR Observations and Deep Learning

  • Aurélien Colin,
  • Ronan Fablet,
  • Pierre Tandeo,
  • Romain Husson,
  • Charles Peureux,
  • Nicolas Longépé and
  • Alexis Mouche

11 February 2022

Through the Synthetic Aperture Radar (SAR) embarked on the satellites Sentinel-1A and Sentinel-1B of the Copernicus program, a large quantity of observations is routinely acquired over the oceans. A wide range of features from both oceanic (e.g., bio...

  • Article
  • Open Access
2 Citations
1,714 Views
32 Pages

28 June 2025

Human activity recognition (HAR) using wearable sensors has advanced through various machine learning paradigms, each with inherent trade-offs between performance and labeling requirements. While fully supervised techniques achieve high accuracy, the...

  • Article
  • Open Access
2 Citations
2,923 Views
15 Pages

4 September 2022

Recently, weakly supervised object detection (WSOD) with image-level annotation has attracted great attention in the field of computer vision. The problem is often formulated as multiple instance learning in the existing studies, which are often trap...

  • Article
  • Open Access
25 Citations
4,625 Views
14 Pages

10 January 2020

Weakly supervised and semi-supervised semantic segmentation has been widely used in the field of computer vision. Since it does not require groundtruth or it only needs a small number of groundtruths for training. Recently, some works use pseudo grou...

  • Article
  • Open Access
11 Citations
4,164 Views
26 Pages

9 December 2021

In recent years, supervised learning-based methods have achieved excellent performance for hyperspectral image (HSI) classification. However, the collection of training samples with labels is not only costly but also time-consuming. This fact usually...

  • Article
  • Open Access
10 Citations
6,494 Views
13 Pages

23 February 2023

Weight information is important in cattle breeding because it can measure animal growth and be used to calculate the appropriate amount of daily feed. To estimate the weight, we developed an image-based method that does not stress cattle and requires...

  • Article
  • Open Access
7 Citations
3,051 Views
18 Pages

17 May 2021

Weakly supervised instance segmentation (WSIS) provides a promising way to address instance segmentation in the absence of sufficient labeled data for training. Previous attempts on WSIS usually follow a proposal-based paradigm, critical to which is...

  • Article
  • Open Access
5 Citations
2,754 Views
18 Pages

3 July 2022

Building segmentation for Unmanned Aerial Vehicle (UAV) imagery usually requires pixel-level labels, which are time-consuming and expensive to collect. Weakly supervised semantic segmentation methods for image-level labeling have recently achieved pr...

  • Article
  • Open Access
4 Citations
2,758 Views
18 Pages

23 December 2024

During the past five years, there has been an increasing trend of weakly supervised crowd counting methods being developed since such methods just rely on count-level annotations and avoid a laborious labeling process. But, the existing weakly superv...

  • Article
  • Open Access
14 Citations
4,369 Views
20 Pages

WS-AM: Weakly Supervised Attention Map for Scene Recognition

  • Shifeng Xia,
  • Jiexian Zeng,
  • Lu Leng and
  • Xiang Fu

21 September 2019

Recently, convolutional neural networks (CNNs) have achieved great success in scene recognition. Compared with traditional hand-crafted features, CNN can be used to extract more robust and generalized features for scene recognition. However, the exis...

  • Article
  • Open Access
10 Citations
4,847 Views
12 Pages

Weakly Supervised Video Anomaly Detection Based on 3D Convolution and LSTM

  • Zhen Ma,
  • José J. M. Machado and
  • João Manuel R. S. Tavares

12 November 2021

Weakly supervised video anomaly detection is a recent focus of computer vision research thanks to the availability of large-scale weakly supervised video datasets. However, most existing research works are limited to the frame-level classification wi...

  • Article
  • Open Access
1,436 Views
24 Pages

28 July 2025

Hyperspectral image change detection (HSI-CD) provides substantial value in environmental monitoring, urban planning and other fields. In recent years, deep-learning based HSI-CD methods have made remarkable progress due to their powerful nonlinear f...

  • Article
  • Open Access
4 Citations
2,289 Views
17 Pages

Mastitis Classification in Dairy Cows Using Weakly Supervised Representation Learning

  • Soo-Hyun Cho,
  • Mingyung Lee,
  • Wang-Hee Lee,
  • Seongwon Seo and
  • Dae-Hyun Lee

19 November 2024

Detecting mastitis on time in dairy cows is crucial for maintaining milk production and preventing significant economic losses, and machine learning has recently gained significant attention as a promising solution to address this issue. Most studies...

  • Article
  • Open Access
2 Citations
1,606 Views
15 Pages

16 June 2024

The annotation of magnetic resonance imaging (MRI) images plays an important role in deep learning-based MRI segmentation tasks. Semi-automatic annotation algorithms are helpful for improving the efficiency and reducing the difficulty of MRI image an...

  • Article
  • Open Access
8 Citations
2,240 Views
16 Pages

Classification of Alzheimer’s Disease Based on Weakly Supervised Learning and Attention Mechanism

  • Xiaosheng Wu,
  • Shuangshuang Gao,
  • Junding Sun,
  • Yudong Zhang and
  • Shuihua Wang

23 November 2022

The brain lesions images of Alzheimer’s disease (AD) patients are slightly different from the Magnetic Resonance Imaging of normal people, and the classification effect of general image recognition technology is not ideal. Alzheimer’s dat...

  • Article
  • Open Access
1 Citations
875 Views
14 Pages

Dual Attention Equivariant Network for Weakly Supervised Semantic Segmentation

  • Guanglun Huang,
  • Zhaohao Zheng,
  • Jun Li,
  • Minghe Zhang,
  • Jianming Liu and
  • Li Zhang

9 June 2025

Image-level weakly supervised semantic segmentation is a challenging problem in computer vision and has gained a lot of attention in recent years. Most existing models utilize class activation mapping (CAM) to generate initial pseudo-labels for each...

  • Review
  • Open Access
16 Citations
6,212 Views
29 Pages

Weakly Supervised Object Detection for Remote Sensing Images: A Survey

  • Corrado Fasana,
  • Samuele Pasini,
  • Federico Milani and
  • Piero Fraternali

26 October 2022

The rapid development of remote sensing technologies and the availability of many satellite and aerial sensors have boosted the collection of large volumes of high-resolution images, promoting progress in a wide range of applications. As a consequenc...

  • Article
  • Open Access
6 Citations
3,497 Views
18 Pages

Proposals Generation for Weakly Supervised Object Detection in Artwork Images

  • Federico Milani,
  • Nicolò Oreste Pinciroli Vago and
  • Piero Fraternali

Object Detection requires many precise annotations, which are available for natural images but not for many non-natural data sets such as artworks data sets. A solution is using Weakly Supervised Object Detection (WSOD) techniques that learn accurate...

  • Article
  • Open Access
4 Citations
2,599 Views
18 Pages

25 January 2025

Weakly supervised crack segmentation aims to create pixel-level crack masks with minimal human annotation, which often only differentiate between crack and normal no-crack patches. This task is crucial for assessing structural integrity and safety in...

  • Article
  • Open Access
16 Citations
4,510 Views
25 Pages

Near Real-Time Flood Mapping with Weakly Supervised Machine Learning

  • Jirapa Vongkusolkit,
  • Bo Peng,
  • Meiliu Wu,
  • Qunying Huang and
  • Christian G. Andresen

25 June 2023

Advances in deep learning and computer vision are making significant contributions to flood mapping, particularly when integrated with remotely sensed data. Although existing supervised methods, especially deep convolutional neural networks, have pro...

  • Article
  • Open Access
3 Citations
3,627 Views
14 Pages

4 June 2019

Audio event detection (AED) is a task of recognizing the types of audio events in an audio stream and estimating their temporal positions. AED is typically based on fully supervised approaches, requiring strong labels including both the presence and...

  • Article
  • Open Access
29 Citations
4,226 Views
12 Pages

Weakly Supervised Crop Area Segmentation for an Autonomous Combine Harvester

  • Wan-Soo Kim,
  • Dae-Hyun Lee,
  • Taehyeong Kim,
  • Hyunggun Kim,
  • Taeyong Sim and
  • Yong-Joo Kim

14 July 2021

Machine vision with deep learning is a promising type of automatic visual perception for detecting and segmenting an object effectively; however, the scarcity of labelled datasets in agricultural fields prevents the application of deep learning to ag...

  • Article
  • Open Access
5 Citations
2,167 Views
19 Pages

A Weakly Supervised Hybrid Lightweight Network for Efficient Crowd Counting

  • Yongqi Chen,
  • Huailin Zhao,
  • Ming Gao and
  • Mingfang Deng

10 February 2024

Crowd-counting networks have become the mainstream method to deploy crowd-counting techniques on resource-constrained devices. Significant progress has been made in this field, with many outstanding lightweight models being proposed successively. How...

  • Article
  • Open Access
1 Citations
2,392 Views
24 Pages

Due to the labor-intensive manual annotations for nuclei segmentation, point-supervised segmentation based on nuclei coordinate supervision has gained recognition in recent years. Despite great progress, two challenges hinder the performance of weakl...

  • Article
  • Open Access
1 Citations
3,953 Views
15 Pages

A Two-Branch Network for Weakly Supervised Object Localization

  • Chang Sun,
  • Yibo Ai,
  • Sheng Wang and
  • Weidong Zhang

Weakly supervised object localization (WSOL) has attracted intense interest in computer vision for instance level annotations. As a hot research topic, a number of existing works concentrated on utilizing convolutional neural network (CNN)-based meth...

  • Article
  • Open Access
1,385 Views
17 Pages

Tumor microenvironment (TME) analysis plays an extremely important role in computational pathology. Deep learning shows tremendous potential for tumor tissue segmentation on pathological images, which is an essential part of TME analysis. However, fu...

  • Letter
  • Open Access
66 Citations
5,729 Views
13 Pages

24 March 2020

The lack of pixel-level labeling limits the practicality of deep learning-based building semantic segmentation. Weakly supervised semantic segmentation based on image-level labeling results in incomplete object regions and missing boundary informatio...

  • Article
  • Open Access
5 Citations
3,203 Views
16 Pages

8 June 2024

Ensuring precise segmentation of colorectal polyps holds critical importance in the early diagnosis and treatment of colorectal cancer. Nevertheless, existing deep learning-based segmentation methods are fully supervised, requiring extensive, precise...

  • Article
  • Open Access
3 Citations
1,898 Views
15 Pages

Improving MLP-Based Weakly Supervised Crowd-Counting Network via Scale Reasoning and Ranking

  • Ming Gao,
  • Mingfang Deng,
  • Huailin Zhao,
  • Yangjian Chen and
  • Yongqi Chen

MLP-based weakly supervised crowd counting approaches have made significant advancements over the past few years. However, owing to the limited datasets, the current MLP-based methods do not consider the problem of region-to-region dependency in the...

  • Article
  • Open Access
27 Citations
8,380 Views
29 Pages

Weakly Supervised Violence Detection in Surveillance Video

  • David Choqueluque-Roman and
  • Guillermo Camara-Chavez

14 June 2022

Automatic violence detection in video surveillance is essential for social and personal security. Monitoring the large number of surveillance cameras used in public and private areas is challenging for human operators. The manual nature of this task...

  • Article
  • Open Access
66 Citations
5,301 Views
18 Pages

WSF-NET: Weakly Supervised Feature-Fusion Network for Binary Segmentation in Remote Sensing Image

  • Kun Fu,
  • Wanxuan Lu,
  • Wenhui Diao,
  • Menglong Yan,
  • Hao Sun,
  • Yi Zhang and
  • Xian Sun

6 December 2018

Binary segmentation in remote sensing aims to obtain binary prediction mask classifying each pixel in the given image. Deep learning methods have shown outstanding performance in this task. These existing methods in fully supervised manner need massi...

  • Article
  • Open Access
7 Citations
3,446 Views
19 Pages

2 March 2022

Building segmentation for remote sensing images usually requires pixel-level labels which is difficult to collect when the images are in low resolution and quality. Recently, weakly supervised semantic segmentation methods have achieved promising per...

  • Article
  • Open Access
24 Citations
5,362 Views
21 Pages

10 November 2019

Object segmentation and classification using the deep convolutional neural network (DCNN) has been widely researched in recent years. On the one hand, DCNN requires large data training sets and precise labeling, which bring about great difficulties i...

  • Article
  • Open Access
3 Citations
2,741 Views
28 Pages

4 June 2023

Sound event detection (SED) is the task of finding the identities of sound events, as well as their onset and offset timings from audio recordings. When complete timing information is not available in the training data, but only the event identities...

  • Article
  • Open Access
420 Views
20 Pages

28 November 2025

This paper presents a weakly supervised learning framework for real-world event identification in transmission networks using phasor measurement unit (PMU) data. The growing integration of renewable energy sources has introduced greater variability i...

  • Article
  • Open Access
11 Citations
2,778 Views
19 Pages

26 April 2024

Weakly supervised object detection (WSOD) in remote sensing images (RSIs) aims to detect high-value targets by solely utilizing image-level category labels; however, two problems have not been well addressed by existing methods. Firstly, the seed ins...

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