Quantum Autoencoders emerge as a revolutionary framework in the field of data compression and feature learning, harnessing the unique advantages of quantum computing to enhance classical methodologies. This chapter explores the architecture and operational principles of quantum autoencoders, detailing their ability to efficiently compress high-dimensional data while retaining essential features. By leveraging quantum superposition and entanglement, these autoencoders surpass traditional techniques, offering improved performance in data representation and reconstruction tasks. Applications across various domains, including image processing, natural language processing, and genomics, are examined to highlight the versatility and effectiveness of quantum autoencoders. Additionally, the chapter addresses the challenges posed by current quantum hardware limitations and outlines future research directions aimed at optimizing the performance of these innovative models. The findings indicate that quantum autoencoders hold significant potential to transform data processing landscapes, making them a pivotal area for future exploration in quantum machine learning.
Quantum Autoencoders emerge as a revolutionary framework in the field of data compression and feature learning, harnessing the unique advantages of quantum computing to enhance classical methodologies. This chapter explores the architecture and operational principles of quantum autoencoders, detailing their ability to efficiently compress high-dimensional data while retaining essential features. By leveraging quantum superposition and entanglement, these autoencoders surpass traditional techniques, offering improved performance in data representation and reconstruction tasks. Applications across various domains, including image processing, natural language processing, and genomics, are examined to highlight the versatility and effectiveness of quantum autoencoders. Additionally, the chapter addresses the challenges posed by current quantum hardware limitations and outlines future research directions aimed at optimizing the performance of these innovative models. The findings indicate that quantum autoencoders hold significant potential to transform data processing landscapes, making them a pivotal area for future exploration in quantum machine learning.
Using quantum concepts like superposition and entanglement, quantum-enhanced neural networks (QENN) combine machine learning (ML) and quantum computing to improve neural network performance. They are expected to have a revolutionary influence on optimization, pattern recognition, and complex data analysis. In this work, authors discuss the principles of quantum computing, including superposition, entanglement, and quantum gates, before introducing many quantum ML (QML) techniques, including Grover’s search, Shor’s factoring, and quantum annealing. Following that, it discusses the fundamentals of neural networks for problems like image recognition and natural language processing while addressing issues with big data and high-dimensional features. This work focuses on using quantum processors to speed up traditional ML tasks by combining quantum algorithms with neural networks to generate hybrid models. It investigates quantum kernel techniques, quantum variational algorithms, and QENN, demonstrating their potential to improve conventional neural network frameworks. In addition to this authors also include real-world applications in fields including drug development, materials research, finance, and optimization to show the revolutionary effects of quantum-enhanced machine learning (QEML) on current problems. In conclusion, this chapter provides a thorough review of QML, highlighting the synergy between quantum algorithms and neural networks. It offers unique insights into the field’s current state, practical applications, and hopes for defining the future of artificial intelligence through quantum computational paradigms.
Quantum neural networks (QNNs) are a revolutionary paradigm placed at the frontier of machine learning and quantum computing. By utilizing quantum mechanical principles like superposition, entanglement, and quantum parallelism, QNNs facilitate the solution of complex machine learning problems that were thought to be impossible according to conventional models. This chapter provides a detailed study of QNNs, from elementary principles to practical applications. It begins with a rundown of the most significant concepts in machine learning and quantum computing, followed by QNN architecture, with important points including quantum gates and parameterized quantum circuits. The chapter addresses challenges in training QNNs, with special attention given to hybrid quantum-classical optimization algorithms and their utility in successful model training. It also examines multiple applications of QNNs, including simulation in quantum chemistry, optimization problems, and real-world machine learning applications, to demonstrate how they have the potential to outperform conventional algorithms in high dimensional or highly entangled data environments. This chapter provides a comparative assessment of quantum machine learning frameworks, quantum hardware platforms, and hybrid optimization methods and aids in determining the most suitable tools to design QNNs. It finally discusses possible areas of future research and research issues in the field, emphasizing the urgent need to improve quantum hardware, increase noise tolerance, and scale up. As quantum computing technology evolves, QNNs are expected to be at the center of solving some of the most complex and computationally intensive problems encountered in various industries.
In recent years, machine learning and deep learning have driven advances in domains such as image classification, speech recognition, and anomaly detection by leveraging multi-layer neural networks to model complex data. Simultaneously, quantum computing (QC) promises to address classically intractable problems via quantum parallelism, motivating research in quantum machine learning (QML). Among QML techniques, quantum autoencoders show promise for compressing high-dimensional quantum and classical data. However, designing effective quantum circuit architectures for quantum autoencoders remains challenging due to the complexity of selecting gates, arranging circuit layers, and tuning parameters.
This paper proposes a neural architecture search (NAS) framework that automates the design of quantum autoencoders using a genetic algorithm (GA). By systematically evolving variational quantum circuit (VQC) configurations, our method seeks to identify high-performing hybrid quantum-classical autoencoders for data reconstruction without becoming trapped in local minima. We demonstrate effectiveness on image datasets, highlighting the potential of quantum autoencoders for efficient feature extraction within a noise-prone, near-term quantum era. Our approach lays a foundation for broader application of genetic algorithms to quantum architecture search, aiming for a robust, automated method that can adapt to varied data and hardware constraints.
Quantum neural networks (QNNs) represent a cutting-edge approach to machine learning and artificial intelligence, harnessing the principles of quantum mechanics to process and analyze data in fundamentally new ways. Unlike classical neural networks, which operate on classical bits and are limited by the laws of classical physics, QNNs use quantum bits (qubits) and exploit quantum phenomena such as superposition and entanglement to achieve unprecedented computational power and efficiency. This chapter explores the principles and applications of QNNs, including their potential for solving complex optimisation problems, pattern recognition tasks, and quantum simulation tasks. We discuss various QNN architectures, training algorithms, and applications, highlighting their advantages and challenges compared to classical neural networks. Additionally, we explore the potential impact of QNNs on fields such as quantum computing, quantum communication, and quantum sensing, as well as their implications for society and the economy. Overall, this chapter provides insights into the emerging field of quantum neural networks and sets the stage for further research and innovation in this exciting area.
In recent years, machine learning and deep learning have driven advances in domains such as image classification, speech recognition, and anomaly detection by leveraging multilayer neural networks to model complex data. Simultaneously, quantum computing (QC) promises to address classically intractable problems via quantum parallelism, motivating research in quantum machine learning (QML). Among QML techniques, quantum autoencoders show promise for compressing highdimensional quantum and classical data. However, designing effective quantum circuit architectures for quantum autoencoders remains challenging due to the complexity of selecting gates, arranging circuit layers, and tuning parameters. This paper proposes a neural architecture search (NAS) framework that automates the design of quantum autoencoders using a genetic algorithm (GA). By systematically evolving variational quantum circuit (VQC) configurations, our method seeks to identify high-performing hybrid quantum-classical autoencoders for data reconstruction without becoming trapped in local minima. We demonstrate effectiveness on image datasets, highlighting the potential of quantum autoencoders for efficient feature extraction within a noise-prone, near-term quantum era. Our approach lays a foundation for broader application of genetic algorithms to quantum architecture search, aiming for a robust, automated method that can adapt to varied data and hardware constraints.
This chapter offers a clear and accessible introduction to the field of quantum-inspired neural computing. This area combines ideas from quantum mechanics with traditional neural network models to create new possibilities in machine learning and optimization metaheuristic algorithms. Unlike actual quantum computing, quantum-inspired approaches work on classical computers but borrow key concepts like superposition, entanglement, and probabilistic behaviour to improve how neural networks learn and process information. The study begins by explaining why researchers are interested in using quantum principles in neural networks. It then introduces the basic mathematical ideas behind these concepts, such as quantum states and transformations, and shows how they can be used to design more powerful and flexible learning systems. It focuses on discussing current models, outlining the distinctions between quantum-inspired and true quantum systems, and evaluating the potential benefits and challenges of this approach. In addition, Quantum-inspired neural computing introduces a novel framework that bridges classical artificial intelligence with principles derived from quantum mechanics. By simulating quantum behaviours on classical hardware, it opens new avenues for developing more adaptive and efficient learning models. This emerging approach offers promising advantages in areas such as optimization, parallel processing, and high-dimensional data representation. Finally, despite its potential, the field faces notable limitations and challenges. These include the lack of limited theoretical formalization, and difficulties in scaling models for complex real-world applications. Moreover, distinguishing genuine quantum-inspired advantages from conservative algorithmic improvements remains an current research apprehension.