Leveraging Low-Rank Adaptation for Parameter-Efficient Fine-Tuning in Multi-Speaker Adaptive Text-to-Speech Synthesis by Changi Hong, Jung Hyuk Lee, Hong Kook Kim

“…To this end, this work first incorporates a low-rank adaptation-based fine-tuning method for variational inference with adversarial learning for end-to-end TTS (VITS) model. …”
Get full text

A Novel Approach to Optimize Key Limitations of Azure Kinect DK for Efficient and Precise Leaf Area Measurement by Ziang Niu, Ting Huang, Chengjia Xu, Xinyue Sun, Mohamed Farag Taha, Yong He, Zhengjun Qiu

“…Furthermore, a semantic information-guided depth inpainting method was proposed, designed to repair void and flying pixels commonly observed in Azure Kinect DK outputs. …”
Get full text

Hybrid MDM-MIMO radio-over-free space optical system for high-capacity 5G and beyond networks under strong and weak scintillation by Sushank Chaudhary, Sunita Khichar, Muhammad Saadi, Amir Parniarifard, Abhishek Sharma

“…Optical Wireless Communication (OWC) technologies, particularly Radio-over-Free Space Optical (RoFSO) systems, offer a promising approach to addressing spectrum congestion and environmental attenuation challenges.MethodsThis study presents a hybrid Mode Division Multiplexing (MDM)-Multiple Input Multiple Output (MIMO) RoFSO system operating at an 80 GHz·mm-wave carrier to achieve high-capacity data transmission. …”
Get full text

Stochastic modeling of multiple-server charging stations for electric vehicle networks using feedback strategies: A queueing-theoretic approach by Shreekant Varshney, Bhasuru Abhinaya Srinivas, Mayank Gupta, Manthan Shah, Aksh Bavisi

Get full text

Optimizing photovoltaic-thermal systems: a comprehensive indoor experimental investigation by Mursal Ahmed, Mirza Farrukh Baig, Ervina Efzan Mhd Noor, Muharniza Azinita Musa

“…Additionally, doubling the mass flow rate led to a 10% increase in voltage, underscoring the importance of water flow optimization in improving electrical output. The research method demonstrates a significant advantage through the methodical combination of controlled experimental setups with comparative theoretical analysis, providing a deeper understanding of the practical and theoretical performance of PVT systems. …”
Get full text

Multi-stage framework using transformer models, feature fusion and ensemble learning for enhancing eye disease classification by Abdulaziz AlMohimeed

“…In the stacking model, the outputs of the best hybrid models are stacked, and they are used to train and evaluate meta-learners to improve classification performance. …”
Get full text

Optimal AC Power Flow with Energy Storage and Renewable Energy: An Efficient RL Algorithm Capable of Handling Equality Constraints by Mingde Liu, Jianquan Zhu, Mingbo Liu

“…First, a constraint policy network (CPN) is proposed that corrects the output of a neural network on the basis of the inequality generalized reduced gradient (GRG) method; the outputs of this network satisfy all constraints, and it can be trained in an end-to-end manner. …”
Get full text

Robust Control of Irrigation Systems Using Predictive Methods and Disturbance Rejection by Jose Carreño-Zagarra, Diana Poveda-Rodriguez, Marco Flórez

Get full text

Three decades in healthcare service efficiency evaluation: a bootstrapping Data Envelopment Analysis (DEA) of Ministry of Health Malaysia by M Zulfakhar Zubir, Aizuddin A.N, Mohd Rizal Abdul Manaf, A Aziz Harith, M Ihsanuddin Abas, Maizatul Izyami Kayat, M Firdaus M Radi, Mas Norehan Merican, Nurcholisah Fitra, Affendi M Ali, Sharifah Ain Shameera Syed Rusli

“…Eight input-output models’ bias-corrected efficiency scores were obtained using bootstrapping. …”
Get full text

Enhancing photovoltaic panel efficiency through Water-Cooling: A parametric comparative evaluation of energetic, economic, and environmental benefits by Hassan Raad, Samer Ali, Jalal Faraj, Cathy Castelain, Khaled Chahine, Mahmoud Khaled

“…The purpose of this study is to theoretically evaluate the energy, financial, and environmental advantages of different water-cooling techniques intended to improve the sustainability and operating efficiency of PV panels. In contrast to traditional research, this work quantifies increases in energy output, cost savings, and CO2 emission reductions across various cooling configurations by a thorough parametric analysis inside a single theoretical framework. …”
Get full text

Wheat crop producers’ technical efficiency and its determinants in Oromia region of Ethiopia: evidence from West Shewa zone by Melkamu Girma, Abule Mehare, Mengistu Ketema

“…As the results indicated the mean technical efficiency was 0.82, implying on average, farmers can increase output by 18%. …”
Get full text

Intelligent Framework for Regional Tourism Ecological Efficiency Evaluation under High-Quality Development with Single-Valued Neutrosophic Information by Xiaoying Liu

“…This evaluation method considers resource utilization, energy efficiency, and ecological protection, helping decision-makers optimize tourism development models, achieve a balance between economic and ecological benefits, and promote the transition of tourism towards a low-carbon, green, and high-quality direction. …”
Get full text

Balancing Efficiency and Emissions: A Study on Biodiesel‐Hydrogen Dual‐Fuel Engine Performance Under Varying Injection Timings by Vasanthkumar Periyathambi, Manikandan Ezhumalai, Mohan Govindasamy, Ratchagaraja Dhairiyasamy, Deekshant Varshney, Subhav Singh

“…Response Surface Methodology (RSM) optimization found IT30.25° should be used with 16 LPM H2 as the best operating condition, which forecasts a brake thermal efficiency of 32.52% and NOx output at 751 ppm. This work brings an innovative approach by combining biodiesel combustion enhancement through precise control of hydrogen flow and timing adjustments, which received statistical validation through diagnostic methods. …”
Get full text

Design and Characteristics of Photonic Crystal Resonators for Surface-Emitting Quantum Cascade Lasers by Kazuaki Sakoda, Yuanzhao Yao, Naoki Ikeda, Yoshimasa Sugimoto, Takaaki Mano, Takashi Kuroda, Hirotaka Tanimura, Shigeyuki Takagi, Rei Hashimoto, Kei Kaneko, Tsutomu Kakuno, Shinji Ohkuma, Ryuichi Togawa, Tetsuya Miyagawa, Hiroshi Ohno, Shinji Saito

“…We analyze the resonance quality factor, overlap factor, extraction efficiency, and far-field pattern, and show how the output power and beam quality have been improved by the appropriate design of the PC resonator.…”
Get full text

Optimization of thermal efficiency in double pass solar air heating systems with emphasis on collector design parameters and operating conditions by Natrayan Lakshmaiya, Naga Dheeraj Kumar Reddy Chukka, M. Karthick, Nimel Sworna Ross, Seeniappan Kaliappan, Ramya Maranan

“…Notably, lower wire mesh pitches and higher collector inclination angles consistently led to higher thermal efficiencies, highlighting the importance of optimizing these parameters for increased energy output. …”
Get full text

Evaluating the operational efficiency of the compact urban medical group in Qiqihar based on the three-stage DEA and Malmquist index model by Ye Xing, Chong Tian, Jiayu Wang, Yanting Liu, Jun Tao, Taoyu Lin, Yan Zhou, Yan Zhou, Yue Wang, Xue Bai

“…BackgroundSince the establishment of medical alliances, a key issue regarding their ability to better address the imbalance in China’s medical resources lies in the changes in operational efficiency before and after their formation. This study focuses on urban medical groups, a reform model of medical alliances, and systematically analyzes the changes in operational efficiency before and after the group-based reform, aiming to provide empirical evidence for improving the group-based management model.MethodsThis study employs a dual-method framework combining three-stage DEA for static efficiency evaluation and Malmquist index analysis for dynamic assessment. …”
Get full text

High directional optical transmitter with phased array of nanoptical emitters and efficient error correction for long distance space communications by Elisa Bazzani, Anna Valeria Guglielmi, Roberto Corvaja, Nicola Laurenti, Filippo Romanato, Gianluca Ruffato, Andrea Vogliardi, Giuseppe Vallone, Lorenzo Vangelista, Paolo Villoresi

“…The optimization of grating couples (GCs) resulted an apodized structure with approximately 0.7 coupling efficiency and 70-µm beam waist. We also demonstrate the feasibility of phase correction and polarization modulation of the output mode by means of metalenses. …”
Get full text

Unsupervised Learning for Distributed Downlink Power Allocation in Cell-Free mMIMO Networks by Mattia Fabiani, Asmaa Abdallah, Abdulkadir Celik, Omer Haliloglu, Ahmed M. Eltawil

“…Cell-free massive multiple-input multiple-output (CF-mMIMO) surmounts conventional cellular network limitations in terms of coverage, capacity, and interference management. …”
Get full text

Jointed rock slope stability evaluation based on PEM-JFEM method by XIAO Shu, WU Shun-chuan, GAO Yong-tao, HAN Guang, ZHOU Yu, CHENG Ai-ping

Get full text

The Design and Thermal Reliability Analysis of a High-Efficiency K-Band MMIC Medium-Power Amplifier with Multiharmonic Matching by Y. Shang, H. Xu, J. Mo, Z. Wang, X. Xu, Z. Tu, X. Zhang, H. Zheng, W. Chen, F. Yu

“…A 20 dBm 1 dB-compression-point output power and 40% efficiency are achieved. A novel thermal reliability analysis method based on ICEPAK is proposed also to evaluate its thermal characteristic. …”
Get full text