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Engineering Letters
Objectives and Scope Engineering Letters is published with both online and print versions. The journal covers the frontier issues in the engineering and the computer science and their applications in business, industry and other subjects. The computer science is a branch of engineering science that studies computable processes and structures. It contains theories for understanding computing systems and methods; computational algorithms and tools; methodologies for testing of concepts. The subjects covered by the journal include artificial intelligence, bioinformatics, computational statistics, database, data mining, financial engineering, hardware systems, imaging engineering, industrial engineering, internet computing, networking, operations research, scientific computing, software engineering, and their applications etc. Printed copies of the journal are distributed to accredited universities and government libraries. All the papers in the journal are also available freely with online full-text content and permanent worldwide web link. The abstracts will be indexed and available at major academic databases. ISSN: 1816-0948 (online version); 1816-093X (print version) Subject Category: Computer science and engineering Published by: International Association of Engineers
Contents: Volume 34 Issue 4 (Online version available: 1 April 2026) [Cover page] [Table of Content]
JOURNAL PAPERS: Lightweight and Accurate Fish Disease Detection via Group-Hybrid Attention and an Efficient Detection Head Ning Wang, Chen Yang, Ang Li, and Dingxuan Zhou Engineering Letters, 34:4, pp1098-1110 [Online Full Text] Ning Wang, Chen Yang, Ang Li, and Dingxuan Zhou, "Lightweight and Accurate Fish Disease Detection via Group-Hybrid Attention and an Efficient Detection Head," Engineering Letters, vol. 34, no. 4, pp1098-1110, 2026
A Multimodal Contrastive Learning Framework for Imbalanced Multimodal Sentiment Analysis Yue Xu, Hang Yin, and Ning Ding Engineering Letters, 34:4, pp1111-1121 [Online Full Text] Yue Xu, Hang Yin, and Ning Ding, "A Multimodal Contrastive Learning Framework for Imbalanced Multimodal Sentiment Analysis," Engineering Letters, vol. 34, no. 4, pp1111-1121, 2026
DeepGram: Transfer Learning for Gram-Stain Bacterial Species Prediction Son Ali Akbar, Sunardi, Kamarul Hawari Ghazali, Phisca Aditya Rosyady, Murein Miksa Mardhia, Razali Muda, and Muhammad Sharfi Najib Engineering Letters, 34:4, pp1122-1130 [Online Full Text] Son Ali Akbar, Sunardi, Kamarul Hawari Ghazali, Phisca Aditya Rosyady, Murein Miksa Mardhia, Razali Muda, and Muhammad Sharfi Najib, "DeepGram: Transfer Learning for Gram-Stain Bacterial Species Prediction," Engineering Letters, vol. 34, no. 4, pp1122-1130, 2026
Study on The Uniaxial Tensile and Compressive Properties of Fiber-reinforced Concrete Based on a Plastic Damage Model Jian Zhang, Fukang Zhang, Hongzhi Liu, and Weiqiang Qi Engineering Letters, 34:4, pp1131-1146 [Online Full Text] Jian Zhang, Fukang Zhang, Hongzhi Liu, and Weiqiang Qi, "Study on The Uniaxial Tensile and Compressive Properties of Fiber-reinforced Concrete Based on a Plastic Damage Model," Engineering Letters, vol. 34, no. 4, pp1131-1146, 2026
Research on Software Defect Prediction Based on Transfer Learning by Deep Neural Network Wentao Zhu, Zhen Li, Tong Li, and Yumei Wu Engineering Letters, 34:4, pp1147-1168 [Online Full Text] Wentao Zhu, Zhen Li, Tong Li, and Yumei Wu, "Research on Software Defect Prediction Based on Transfer Learning by Deep Neural Network," Engineering Letters, vol. 34, no. 4, pp1147-1168, 2026
FAME-YOLO: A Feature-Aware Multi-Scale Efficient Framework for Lightweight and Precise Flame Detection Jiawei Lan, Zheng Huang, Ye Tao, Zhibiao Wang, and Haoyang Yu Engineering Letters, 34:4, pp1169-1182 [Online Full Text] Jiawei Lan, Zheng Huang, Ye Tao, Zhibiao Wang, and Haoyang Yu, "FAME-YOLO: A Feature-Aware Multi-Scale Efficient Framework for Lightweight and Precise Flame Detection," Engineering Letters, vol. 34, no. 4, pp1169-1182, 2026
Enhancing Theoretical Foundations in modular Forms: New Relations Between Eisenstein Series and Ramanujan's k-functions Swathi Bhat Rajesh, Vidya Harekala Chandrashekara, and Ashwath Rao Badanidiyoor Engineering Letters, 34:4, pp1183-1191 [Online Full Text] Swathi Bhat Rajesh, Vidya Harekala Chandrashekara, and Ashwath Rao Badanidiyoor, "Enhancing Theoretical Foundations in modular Forms: New Relations Between Eisenstein Series and Ramanujan's k-functions," Engineering Letters, vol. 34, no. 4, pp1183-1191, 2026
CSD-DETR: Enhancing Transformer-based Object Detection via Multi-scale Fusion and Overlap-guided Queries Guinan Wu, and Qinghong Wu Engineering Letters, 34:4, pp1192-1199 [Online Full Text] Guinan Wu, and Qinghong Wu, "CSD-DETR: Enhancing Transformer-based Object Detection via Multi-scale Fusion and Overlap-guided Queries," Engineering Letters, vol. 34, no. 4, pp1192-1199, 2026
Construction of Prostate Cancer Prediction Models Based on Machine Learning Yun Zhou, Aikebaier Wumaner, Maynur, Rahmatjan Imin, Zhangdi Yue, Yisilamujiang Abulaiti, and Adilijiang Maimaiti Engineering Letters, 34:4, pp1200-1210 [Online Full Text] Yun Zhou, Aikebaier Wumaner, Maynur, Rahmatjan Imin, Zhangdi Yue, Yisilamujiang Abulaiti, and Adilijiang Maimaiti, "Construction of Prostate Cancer Prediction Models Based on Machine Learning," Engineering Letters, vol. 34, no. 4, pp1200-1210, 2026
Research on a Tension Control Method for Copper Strip Unwinding Using ADRC Optimized by an Improved Dung Beetle Optimizer Zhaoxu Yu, Xin Deng, and Hongming Zhou Engineering Letters, 34:4, pp1211-1223 [Online Full Text] Zhaoxu Yu, Xin Deng, and Hongming Zhou, "Research on a Tension Control Method for Copper Strip Unwinding Using ADRC Optimized by an Improved Dung Beetle Optimizer," Engineering Letters, vol. 34, no. 4, pp1211-1223, 2026
A Portable Air-Quality Monitoring System and Its Application to Cedar Pollen Dispersion Analysis Noprianto, Nobuo Funabiki, Htoo Htoo Sandi Kyaw, Komang Candra Brata, I Nyoman Darma Kotama, Yan Watequlis Syaifudin, and Alfiandi Aulia Rahmadani Engineering Letters, 34:4, pp1224-1240 [Online Full Text] Noprianto, Nobuo Funabiki, Htoo Htoo Sandi Kyaw, Komang Candra Brata, I Nyoman Darma Kotama, Yan Watequlis Syaifudin, and Alfiandi Aulia Rahmadani, "A Portable Air-Quality Monitoring System and Its Application to Cedar Pollen Dispersion Analysis," Engineering Letters, vol. 34, no. 4, pp1224-1240, 2026
A New Contact Interface Modification Method based on Optimal Contact Pressure Mingqi Liu, Peng Meng, Changhong Li, and Xianyue Gang Engineering Letters, 34:4, pp1241-1250 [Online Full Text] Mingqi Liu, Peng Meng, Changhong Li, and Xianyue Gang, "A New Contact Interface Modification Method based on Optimal Contact Pressure," Engineering Letters, vol. 34, no. 4, pp1241-1250, 2026
Adaptive Control of VSG Inertia Damping by BP Neural Network and Improved MPC Co-optimization Yinhang Hu, Shangang Ma, Fubao Jin, Qiang Li, Shuang Li, Ruiming Wang, and Debao Wang Engineering Letters, 34:4, pp1251-1260 [Online Full Text] Yinhang Hu, Shangang Ma, Fubao Jin, Qiang Li, Shuang Li, Ruiming Wang, and Debao Wang, "Adaptive Control of VSG Inertia Damping by BP Neural Network and Improved MPC Co-optimization," Engineering Letters, vol. 34, no. 4, pp1251-1260, 2026
Struvite with Bulk Structure Prepared by Microbial Induced Mineralization for Soil Ecological Stabilization Xiaofeng Chen, Qian Hong, Xuan Zhao, Yanbing Wang, Xiaoxiao Ma, Chao Liu, Chongqing Wang, and Yuan Wang Engineering Letters, 34:4, pp1261-1271 [Online Full Text] Xiaofeng Chen, Qian Hong, Xuan Zhao, Yanbing Wang, Xiaoxiao Ma, Chao Liu, Chongqing Wang, and Yuan Wang, "Struvite with Bulk Structure Prepared by Microbial Induced Mineralization for Soil Ecological Stabilization," Engineering Letters, vol. 34, no. 4, pp1261-1271, 2026
Bifurcation and Stability Analysis of Nipah Virus Transmission with Imperfect Vaccination Binti Mualifatul Rosydah, Marsudi, Wuryansari Muharini Kusumawinahyu, and Nur Shofianah Engineering Letters, 34:4, pp1272-1283 [Online Full Text] Binti Mualifatul Rosydah, Marsudi, Wuryansari Muharini Kusumawinahyu, and Nur Shofianah, "Bifurcation and Stability Analysis of Nipah Virus Transmission with Imperfect Vaccination," Engineering Letters, vol. 34, no. 4, pp1272-1283, 2026
A Lightweight-Enhanced YOLOv8n Approach for Forest Fire Detection Using Infrared Images Fengbo Wang, Na Qu, Guang Chen, and Hongyuan Zhang Engineering Letters, 34:4, pp1284-1294 [Online Full Text] Fengbo Wang, Na Qu, Guang Chen, and Hongyuan Zhang, "A Lightweight-Enhanced YOLOv8n Approach for Forest Fire Detection Using Infrared Images," Engineering Letters, vol. 34, no. 4, pp1284-1294, 2026
Estimating Parameters of Solar Photovoltaic Cell Models via Enhanced Grey Wolf Optimizer Jiupeng Wang, Yong Zhang, and Tao Qu Engineering Letters, 34:4, pp1295-1310 [Online Full Text] Jiupeng Wang, Yong Zhang, and Tao Qu, "Estimating Parameters of Solar Photovoltaic Cell Models via Enhanced Grey Wolf Optimizer," Engineering Letters, vol. 34, no. 4, pp1295-1310, 2026
PDSM: Progressive Dynamic Strategy with Mixture-of-Experts for Multimodal Video Summarization Rongjun Chen, Yaoxin Liang, Leijun Wang, Xianglei Hu, Jun Yuan, Xianxian Zeng, and Jiawen Li Engineering Letters, 34:4, pp1311-1321 [Online Full Text] Rongjun Chen, Yaoxin Liang, Leijun Wang, Xianglei Hu, Jun Yuan, Xianxian Zeng, and Jiawen Li, "PDSM: Progressive Dynamic Strategy with Mixture-of-Experts for Multimodal Video Summarization," Engineering Letters, vol. 34, no. 4, pp1311-1321, 2026
CODEIVYA: An Enhanced Ivy Algorithm for Engineering Optimization Huan Zhang, Yong Zhang, and Kai He Engineering Letters, 34:4, pp1322-1333 [Online Full Text] Huan Zhang, Yong Zhang, and Kai He, "CODEIVYA: An Enhanced Ivy Algorithm for Engineering Optimization," Engineering Letters, vol. 34, no. 4, pp1322-1333, 2026
Natural Fiber as Sound Absorber: A Review Khairusy Syakirin Norizan, Herni Halim, and Nik Azimatolakma Awang Engineering Letters, 34:4, pp1334-1344 [Online Full Text] Khairusy Syakirin Norizan, Herni Halim, and Nik Azimatolakma Awang, "Natural Fiber as Sound Absorber: A Review," Engineering Letters, vol. 34, no. 4, pp1334-1344, 2026
FORT-YOLO: A Foreign Object Intrusion Detection Model for Railway Tracks Zuodi Wang, Xinying Chen, and Xinyue Miao Engineering Letters, 34:4, pp1345-1355 [Online Full Text] Zuodi Wang, Xinying Chen, and Xinyue Miao, "FORT-YOLO: A Foreign Object Intrusion Detection Model for Railway Tracks," Engineering Letters, vol. 34, no. 4, pp1345-1355, 2026
Monitoring of Microwave Curing Process for Carbon Fiber Epoxy Composites Using FBG Sensors and Properties of Cured Products Renli Ma, Xiaobo Li, Shijie Sun, Jianjun Xu, Mingwen Tuo, and Bin Li Engineering Letters, 34:4, pp1356-1363 [Online Full Text] Renli Ma, Xiaobo Li, Shijie Sun, Jianjun Xu, Mingwen Tuo, and Bin Li, "Monitoring of Microwave Curing Process for Carbon Fiber Epoxy Composites Using FBG Sensors and Properties of Cured Products," Engineering Letters, vol. 34, no. 4, pp1356-1363, 2026
A Bearing Vibration Signal Processing Method Based on an Improved Grey Wolf Optimizer and ICEEMDAN-PE Xitong Deng, Yukun Wang, and Qingyao Meng Engineering Letters, 34:4, pp1364-1374 [Online Full Text] Xitong Deng, Yukun Wang, and Qingyao Meng, "A Bearing Vibration Signal Processing Method Based on an Improved Grey Wolf Optimizer and ICEEMDAN-PE," Engineering Letters, vol. 34, no. 4, pp1364-1374, 2026
Smart Damping Technologies: A Review on the Role of MR Fluids in Active Vibration Control Anand Pai, Tejas Iyer, Satish Shenoy B, and Suhas Yeshwant Nayak Engineering Letters, 34:4, pp1375-1384 [Online Full Text] Anand Pai, Tejas Iyer, Satish Shenoy B, and Suhas Yeshwant Nayak, "Smart Damping Technologies: A Review on the Role of MR Fluids in Active Vibration Control," Engineering Letters, vol. 34, no. 4, pp1375-1384, 2026
MLFormer: Linear-Attention Transformer with Multi-Scale Feature Enhancement for Real-Time Monocular 3D Human Pose Estimation Bowen Wang, Shiwen Wang, and Ziwei Zhou Engineering Letters, 34:4, pp1385-1394 [Online Full Text] Bowen Wang, Shiwen Wang, and Ziwei Zhou, "MLFormer: Linear-Attention Transformer with Multi-Scale Feature Enhancement for Real-Time Monocular 3D Human Pose Estimation," Engineering Letters, vol. 34, no. 4, pp1385-1394, 2026
Intercity Railway Passenger Flow Prediction Considering Passenger Flow Sharing Characteristics under Rain and Snow Weather Conditions Ze Pan, and Xinfeng Yang Engineering Letters, 34:4, pp1395-1409 [Online Full Text] Ze Pan, and Xinfeng Yang, "Intercity Railway Passenger Flow Prediction Considering Passenger Flow Sharing Characteristics under Rain and Snow Weather Conditions," Engineering Letters, vol. 34, no. 4, pp1395-1409, 2026
Experimental Investigation on Deformation Behavior of Sandy Soil Around an Underground Granary During Groundwater Level Rise Miao Ma, Yang Han, Zijia Zhu, Yanchao Wang, Zhijun Xu, and Qingnian Yang Engineering Letters, 34:4, pp1410-1419 [Online Full Text] Miao Ma, Yang Han, Zijia Zhu, Yanchao Wang, Zhijun Xu, and Qingnian Yang, "Experimental Investigation on Deformation Behavior of Sandy Soil Around an Underground Granary During Groundwater Level Rise," Engineering Letters, vol. 34, no. 4, pp1410-1419, 2026
A Multi-item Inventory Model with Time-dependent Deterioration and Time- and Inventory-Dependent Demand Dharma Lesmono, Taufik Limansyah, Ignatius A. Sandy, and Catherine Wijaya Engineering Letters, 34:4, pp1420-1428 [Online Full Text] Dharma Lesmono, Taufik Limansyah, Ignatius A. Sandy, and Catherine Wijaya, "A Multi-item Inventory Model with Time-dependent Deterioration and Time- and Inventory-Dependent Demand," Engineering Letters, vol. 34, no. 4, pp1420-1428, 2026
A Lightweight Improved RT-DETR Framework for Object Detection in Complex Aerial Imagery Kaiqi Niu, and Ying Tian Engineering Letters, 34:4, pp1429-1440 [Online Full Text] Kaiqi Niu, and Ying Tian, "A Lightweight Improved RT-DETR Framework for Object Detection in Complex Aerial Imagery," Engineering Letters, vol. 34, no. 4, pp1429-1440, 2026
Saturation-Value Total Variation-Based Variational Method for Cauchy Noise Removal in Color Images Hui-Yin Yan, Ru-Meng Wang, and Yi-Xin Li Engineering Letters, 34:4, pp1441-1454 [Online Full Text] Hui-Yin Yan, Ru-Meng Wang, and Yi-Xin Li, "Saturation-Value Total Variation-Based Variational Method for Cauchy Noise Removal in Color Images," Engineering Letters, vol. 34, no. 4, pp1441-1454, 2026
DIL-YOLO: A Content-Adaptive Upsampling and Feature Enhancement Algorithm for Target Detection in UAV Remote Sensing Imagery Siyu Liu, and Hang Yin Engineering Letters, 34:4, pp1455-1468 [Online Full Text] Siyu Liu, and Hang Yin, "DIL-YOLO: A Content-Adaptive Upsampling and Feature Enhancement Algorithm for Target Detection in UAV Remote Sensing Imagery," Engineering Letters, vol. 34, no. 4, pp1455-1468, 2026
Coming Special Issues of Engineering Letters Engineering Letters welcomes author submission of papers concerning any branch of the engineering and the computer science and their applications in business, industry and other subjects. The subjects covered by the journal include artificial intelligence, bioinformatics, computational statistics, database, data mining, financial engineering, hardware systems, imaging engineering, industrial engineering, internet computing, networking, operations research, scientific computing, software engineering, and their applications. With the efforts of the Editorial Board Members of Engineering Letters, the new online version and print version of the journal Engineering Letters has become available to the general public, instead of its old restricted versions. All submitted papers are to be peer-reviewed for ensuring their qualities.
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