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Electronics
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Advances in Algorithm Optimization and Computational Intelligence
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Advances in Algorithm Optimization and Computational Intelligence

A special issue of Electronics (ISSN 2079-9292). This special issue belongs to the section "Computer Science & Engineering".

Deadline for manuscript submissions: 15 September 2024 | Viewed by 2392

Special Issue Editors

Dr. Amin Amini

E-Mail Website
Guest Editor
School of Engineering and Computing, University of Central Lancashire (UCLan), Preston PR1 2HE, UK
Interests: artificial intelligence; computer vision; digital healthcare; image processing; computational thinking; assisted living
Dr. Bacha Rehman

E-Mail Website
Guest Editor
Department of Computer Science, Solent University, Southampton SO14 0YN, UK
Interests: affective computing; investigating multimodal data; hybrid DNNs; applications of AI; data science; computer vision; time-series and financial market analysis
Prof. Dr. Chih-Lung Lin

E-Mail Website
Guest Editor
Graduate Institute of Intelligent Robotics, Hwa Hsia University of Technology, New Taipei City 235, Taiwan
Interests: artificial intelligence; machine learning; image processing; biometrics; pattern recognition
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The Special Issue of Electronics, “Advances in Algorithm Optimization and Computational Intelligence,” is a pivotal scholarly contribution to the dynamic domain of computer science. Our aim is to provide a conduit for academics and industry professionals in terms of disseminating their research outcomes and methodologies in the realms of algorithmic optimization and computational intelligence.

This Special Issue’s objective is to spotlight avant-garde research and methodologies that augment the efficacy, robustness, and versatility of algorithms. This aligns seamlessly with the journal’s overarching mission of fostering state-of-the-art research in computer science and its intersecting disciplines. The focus of this Issue is the exploration and development of novel algorithmic strategies, the application of machine learning techniques for optimization, and the advancement of artificial intelligence paradigms for complex problem solving.

Potential article themes for this Special Issue include, but are not limited to, machine learning algorithms, evolutionary computation, swarm intelligence, artificial neural networks, fuzzy systems, and decision support systems. These themes reflect the current trends and future directions in the realm of computational intelligence and algorithm optimization. This Issue encourages submissions that offer novel insights, propose new methodologies, or apply existing techniques in innovative ways to solve complex problems. This is an excellent opportunity for scholars to contribute to and shape discourse in this crucial research area.

In this Special Issue, original research articles and reviews are welcome. Research areas may include (but not limited to) the following:

  1. Machine learning algorithms
  2. Evolutionary computation
  3. Swarm intelligence
  4. Artificial neural networks
  5. Fuzzy systems
  6. Decision support systems
  7. Optimization algorithms
  8. Deep learning
  9. Natural language processing
  10. Computer vision

Dr. Amin Amini
Dr. Bacha Rehman
Prof. Dr. Chih-Lung Lin
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Electronics is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • artificial intelligence
  • image processing
  • computer vision
  • algorithm optimization
  • computational intelligence

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Further information on MDPI's Special Issue polices can be found here.

Published Papers (3 papers)

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Research

15 pages, 10699 KiB  
Article
Frequency-Auxiliary One-Shot Domain Adaptation of Generative Adversarial Networks
by Kan Cheng, Haidong Liu, Jiayu Liu, Bo Xu and Xinyue Liu
Electronics 2024, 13(13), 2643; https://doi.org/10.3390/electronics13132643 - 5 Jul 2024
Viewed by 513
Abstract
Generative domain adaptation in a one-shot scenario involves transferring a pretrained generator from one domain to another using only a single reference image. To address the issue of extremely scarce data, existing methods resort to complex parameter constraints and leverage additional semantic knowledge [...] Read more.
Generative domain adaptation in a one-shot scenario involves transferring a pretrained generator from one domain to another using only a single reference image. To address the issue of extremely scarce data, existing methods resort to complex parameter constraints and leverage additional semantic knowledge from CLIP models to mitigate it. However, these methods still suffer from overfitting and underfitting issues due to the lack of prior knowledge about the domain adaptation task. In this paper, we firstly introduce the perspective of the frequency domain into the generative domain adaptation task to support the model in understanding the adaptation goals in a one-shot scenario and propose a method called frequency-auxiliary GAN (FAGAN). The FAGAN contains two core modules: a low-frequency fusion module (LFF-Module) and high-frequency guide module (HFG-Module). Specifically, the LFF-Module aims to inherit the domain-sharing information of the source module by fusing the low-frequency features of the source model. In addition, the HFG-Module is designed to select the domain-specific information of the reference image and guide the model to fit them by utilizing high-frequency guidance. These two modules are dedicated to alleviating overfitting and underfitting issues, thereby enchancing the diversity and fidelity of generated images. Extensive experimental results showed that our method leads to better quantitative and qualitative results than the existing methods under a wide range of task settings. Full article
(This article belongs to the Special Issue Advances in Algorithm Optimization and Computational Intelligence)
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14 pages, 398 KiB  
Article
FCL: Pedestrian Re-Identification Algorithm Based on Feature Fusion Contrastive Learning
by Yuangang Li, Yuhan Zhang, Yunlong Gao, Bo Xu and Xinyue Liu
Electronics 2024, 13(12), 2368; https://doi.org/10.3390/electronics13122368 - 17 Jun 2024
Viewed by 501
Abstract
Pedestrian re-identification leverages computer vision technology to achieve cross-camera matching of pedestrians; it has recently led to significant progress and presents numerous practical applications. However, current algorithms face the following challenges: (1) most of the methods are supervised, heavily relying on specific datasets, [...] Read more.
Pedestrian re-identification leverages computer vision technology to achieve cross-camera matching of pedestrians; it has recently led to significant progress and presents numerous practical applications. However, current algorithms face the following challenges: (1) most of the methods are supervised, heavily relying on specific datasets, and lacking robust generalization capabilities; (2) it is hard to extract features because the elongated and narrow shape of pedestrian images introduces uneven feature distributions; (3) the substantial imbalance between positive and negative samples. To address these challenges, we introduce a novel pedestrian re-identification unsupervised algorithm called Feature Fusion Contrastive Learning (FCL) to extract more effective features. Specifically, we employ circular pooling to merge network features across different levels for pedestrian re-identification to improve robust generalization capability. Furthermore, we propose a feature fusion pooling method, which facilitates a more efficient distribution of feature representations across pedestrian images. Finally, we introduce FocalLoss to compute the clustering-level loss, mitigating the imbalance between positive and negative samples. Through extensive experiments conducted on three prominent datasets, our proposed method demonstrates promising performance, with an average 3.8% improvement in FCL’s mAP indicators compared to baseline results. Full article
(This article belongs to the Special Issue Advances in Algorithm Optimization and Computational Intelligence)
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15 pages, 1985 KiB  
Article
An Improvement of Adam Based on a Cyclic Exponential Decay Learning Rate and Gradient Norm Constraints
by Yichuan Shao, Jiapeng Yang, Wen Zhou, Haijing Sun, Lei Xing, Qian Zhao and Le Zhang
Electronics 2024, 13(9), 1778; https://doi.org/10.3390/electronics13091778 - 4 May 2024
Viewed by 772
Abstract
Aiming at a series of limitations of the Adam algorithm, such as hyperparameter sensitivity and unstable convergence, in this paper, an improved optimization algorithm, the Cycle-Norm-Adam (CN-Adam) algorithm, is proposed. The algorithm integrates the ideas of a cyclic exponential decay learning rate (CEDLR) [...] Read more.
Aiming at a series of limitations of the Adam algorithm, such as hyperparameter sensitivity and unstable convergence, in this paper, an improved optimization algorithm, the Cycle-Norm-Adam (CN-Adam) algorithm, is proposed. The algorithm integrates the ideas of a cyclic exponential decay learning rate (CEDLR) and gradient paradigm constraintsand accelerates the convergence speed of the Adam model and improves its generalization performance by dynamically adjusting the learning rate. In order to verify the effectiveness of the CN-Adam algorithm, we conducted extensive experimental studies. The CN-Adam algorithm achieved significant performance improvementsin both standard datasets. The experimental results show that the CN-Adam algorithm achieved 98.54% accuracy in the MNIST dataset and 72.10% in the CIFAR10 dataset. Due to the complexity and specificity of medical images, the algorithm was tested in a medical dataset and achieved an accuracy of 78.80%, which was better than the other algorithms. The experimental results show that the CN-Adam optimization algorithm provides an effective optimization strategy for improving model performance and promoting medical research. Full article
(This article belongs to the Special Issue Advances in Algorithm Optimization and Computational Intelligence)
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