Table of contents : Cover Front Matter Part I. Smart Ecosystems: Opportunities and Challenges Smart Ecosystems for Sustainable Development: Opportunities, Challenges, and Solutions Big Data in Smart Ecosystems: Trends, Challenges and Future Prospectus Breakthroughs and Challenges in Multimedia Privacy and Security in the Internet of Things (IoT) Analysis of Ensemble Methods for Phishing Detection Part II. Intelligent Signal Processing for Smart Health Machine Learning Based Diabetic Retinopathy Detection and Classification CNN-SVM with Data Augmentation for Robust Blur Detection of Digital Breast Tomosynthesis Images Lung Lesion Identification Using Geometrical Feature and Optical Flow Method from Computed Tomography Scan Images Performance Improvement with Optimization Algorithm in Isolating Left Ventricle and Non-Left Ventricle Cardiac Dual-Feature CNN-SVM Method for Breast Mass Tissue Abnormality Classification on Digital Mammography Images Adapted to Breast Density Deterministic SEIR Mathematical Model for Infectious Diseases Like COVID-19 Part III. Intelligent Signal Processing for Smart Industry Detection of Power Distribution Fault in Thermal Images Using CNN Text to Speech Synthesis Using Deep Learning Advanced Sequence Learning Approaches for Emotion Recognition Using Speech Signals Comparison of Deep Learning Model Performance for Handwritten Character Recognition of Schoolchildren Handwritten Urdu Recognition Using BERT with Vision Transformers