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19 Results Found

  • Review
  • Open Access
27 Citations
9,358 Views
32 Pages

A Survey of Blind Modulation Classification Techniques for OFDM Signals

  • Anand Kumar,
  • Sudhan Majhi,
  • Guan Gui,
  • Hsiao-Chun Wu and
  • Chau Yuen

28 January 2022

Blind modulation classification (MC) is an integral part of designing an adaptive or intelligent transceiver for future wireless communications. Blind MC has several applications in the adaptive and automated systems of sixth generation (6G) communic...

  • Article
  • Open Access
19 Citations
3,979 Views
19 Pages

Time–Frequency-Analysis-Based Blind Modulation Classification for Multiple-Antenna Systems

  • Weiheng Jiang,
  • Xiaogang Wu,
  • Yimou Wang,
  • Bolin Chen,
  • Wenjiang Feng and
  • Yi Jin

1 January 2021

Blind modulation classification is an important step in implementing cognitive radio networks. The multiple-input multiple-output (MIMO) technique is widely used in military and civil communication systems. Due to the lack of prior information about...

  • Article
  • Open Access
1 Citations
770 Views
17 Pages

20 October 2025

With increasingly scarce spectrum resources, frequency-domain signal overlap interference has become a critical issue, making multi-user modulation classification (MUMC) a significant challenge in wireless communications. Unlike single-user modulatio...

  • Article
  • Open Access
31 Citations
4,266 Views
16 Pages

6 March 2020

In this paper, a blind modulation classification method based on compressed sensing using a high-order cumulant and cyclic spectrum combined with the decision tree–support vector machine classifier is proposed to solve the problem of low identi...

  • Article
  • Open Access
2 Citations
2,166 Views
17 Pages

A Multi-Task Learning and Multi-Branch Network for DR and DME Joint Grading

  • Xiaoxue Xing,
  • Shenbo Mao,
  • Minghan Yan,
  • He Yu,
  • Dongfang Yuan,
  • Cancan Zhu,
  • Cong Zhang,
  • Jian Zhou and
  • Tingfa Xu

22 December 2023

Diabetic Retinopathy (DR) is one of the most common microvascular complications of diabetes. Diabetic Macular Edema (DME) is a concomitant symptom of DR. As the grade of lesion of DR and DME increase, the possibility of blindness can also increase si...

  • Article
  • Open Access
41 Citations
4,201 Views
16 Pages

Diabetic retinopathy (DR) is the prime cause of blindness in people who suffer from diabetes. Automation of DR diagnosis could help a lot of patients avoid the risk of blindness by identifying the disease and making judgments at an early stage. The m...

  • Article
  • Open Access
14 Citations
2,686 Views
14 Pages

Improved Salp Swarm Optimization Algorithm: Application in Feature Weighting for Blind Modulation Identification

  • Sarra Ben Chaabane,
  • Akram Belazi,
  • Sofiane Kharbech,
  • Ammar Bouallegue and
  • Laurent Clavier

19 August 2021

In modulation identification issues, like in any other classification problem, the performance of the classification task is significantly impacted by the feature characteristics. Feature weighting boosts the performance of machine learning algorithm...

  • Article
  • Open Access
3 Citations
3,677 Views
11 Pages

Metasurface-Based Image Classification Using Diffractive Deep Neural Network

  • Kaiyang Cheng,
  • Cong Deng,
  • Fengyu Ye,
  • Hongqiang Li,
  • Fei Shen,
  • Yuancheng Fan and
  • Yubin Gong

12 November 2024

The computer-assisted inverse design of photonic computing, especially by leveraging artificial intelligence algorithms, offers great convenience to accelerate the speed of development and improve calculation accuracy. However, traditional thickness-...

  • Article
  • Open Access
9 Citations
4,359 Views
24 Pages

Toward Lightweight Diabetic Retinopathy Classification: A Knowledge Distillation Approach for Resource-Constrained Settings

  • Niful Islam,
  • Md. Mehedi Hasan Jony,
  • Emam Hasan,
  • Sunny Sutradhar,
  • Atikur Rahman and
  • Md. Motaharul Islam

16 November 2023

Diabetic retinopathy (DR), a consequence of diabetes, is one of the prominent contributors to blindness. Effective intervention necessitates accurate classification of DR; this is a need that computer vision-based technologies address. However, using...

  • Article
  • Open Access
14 Citations
4,353 Views
32 Pages

AMC2N: Automatic Modulation Classification Using Feature Clustering-Based Two-Lane Capsule Networks

  • Dhamyaa H. Al-Nuaimi,
  • Muhammad F. Akbar,
  • Laith B. Salman,
  • Intan S. Zainal Abidin and
  • Nor Ashidi Mat Isa

The automatic modulation classification (AMC) of a detected signal has gained considerable prominence in recent years owing to its numerous facilities. Numerous studies have focused on feature-based AMC. However, improving accuracy under low signal-t...

  • Article
  • Open Access
3,356 Views
16 Pages

15 April 2024

Analyzing point clouds with neural networks is a current research hotspot. In order to analyze the 3D geometric features of point clouds, most neural networks improve the network performance by adding local geometric operators and trainable parameter...

  • Article
  • Open Access
13 Citations
4,501 Views
18 Pages

Hypertensive retinopathy (HR) results from the microvascular retinal changes triggered by hypertension, which is the most common leading cause of preventable blindness worldwide. Therefore, it is necessary to develop an automated system for HR detect...

  • Article
  • Open Access
166 Citations
14,927 Views
19 Pages

Deep Learning for Optic Disc Segmentation and Glaucoma Diagnosis on Retinal Images

  • Syna Sreng,
  • Noppadol Maneerat,
  • Kazuhiko Hamamoto and
  • Khin Yadanar Win

17 July 2020

Glaucoma is a major global cause of blindness. As the symptoms of glaucoma appear, when the disease reaches an advanced stage, proper screening of glaucoma in the early stages is challenging. Therefore, regular glaucoma screening is essential and rec...

  • Article
  • Open Access
3,654 Views
17 Pages

Hybrid Deep Learning Model for Cataract Diagnosis Assistance

  • Zonghong Feng,
  • Kai Xu,
  • Liangchang Li and
  • Yong Wang

4 December 2024

With the population aging globally, cataracts have become one of the main causes of vision impairment. Early diagnosis and treatment of cataracts are crucial for preventing blindness. However, the use of deep learning models for assisting in the diag...

  • Feature Paper
  • Article
  • Open Access
25 Citations
4,984 Views
16 Pages

24 December 2020

Accurate segmentation of retinal blood vessels is a key step in the diagnosis of fundus diseases, among which cataracts, glaucoma, and diabetic retinopathy (DR) are the main diseases that cause blindness. Most segmentation methods based on deep convo...

  • Article
  • Open Access
5 Citations
3,358 Views
24 Pages

6 February 2025

Retinal diseases account for a large fraction of global blinding disorders, requiring sophisticated diagnostic tools for early management. In this study, the author proposes a hybrid deep learning framework in the form of AdaptiveSwin-CNN that combin...

  • Article
  • Open Access
1,096 Views
18 Pages

A Blind Few-Shot Learning for Multimodal-Biological Signals with Fractal Dimension Estimation

  • Nadeem Ullah,
  • Seung Gu Kim,
  • Jung Soo Kim,
  • Min Su Jeong and
  • Kang Ryoung Park

Improving the decoding accuracy of biological signals has been a research focus for decades to advance health, automation, and robotic industries. However, challenges like inter-subject variability, data scarcity, and multifunctional variability caus...

  • Article
  • Open Access
194 Views
32 Pages

BanglaOCT2025: A Population-Specific Fovea-Centric OCT Dataset with Self-Supervised Volumetric Restoration Using Flip-Flop Swin Transformers

  • Chinmay Bepery,
  • G. M. Atiqur Rahaman,
  • Rameswar Debnath,
  • Sajib Saha,
  • Md. Shafiqul Islam,
  • Md. Emranul Islam Abir and
  • Sanjay Kumar Sarker

Background: Age-related macular degeneration (AMD) is a major cause of vision loss, yet publicly available Optical Coherence Tomography (OCT) datasets lack demographic diversity, particularly from South Asian populations. Existing datasets largely re...

  • Abstract
  • Open Access
1,284 Views
2 Pages

Comparative Evaluation of a Dietary Fiber Mixture in an Intestinal Screening Platform and a Crossover Intervention Study

  • Femke P. M. Hoevenaars,
  • Tim J. van den Broek,
  • Boukje Eveleens Maarse,
  • Matthijs Moerland,
  • Ines Warnke,
  • Hannah Eggink and
  • Frank H. J. Schuren

In personalized nutrition, specific recommendations are often based on extensive phenotyping. In the world of microbiome research, classification is often based on the bacteriological composition of gut microbiota and enterotypes. We investigated if...